(#71) Final refactoring of example code to use BuildPlan

Need to test it on all the clusters now.  Will follow up with any
necessary fixes.

Makefile

@@ -44,13 +44,18 @@ tidy: ## Tidy go module.
 	go mod tidy
 
 .PHONY: fmt
-fmt: ## Format Go code.
+fmt: ## Format code.
+	cd docs/examples && cue fmt ./...
 	go fmt ./...
 
 .PHONY: vet
 vet: ## Vet Go code.
 	go vet ./...
 
+.PHONY: gencue
+gencue: ## Generate CUE definitions
+	cd docs/examples && cue get go github.com/holos-run/holos/api/...
+
 .PHONY: generate
 generate: ## Generate code.
 	go generate ./...

api/v1alpha1/buildplan.go

@@ -0,0 +1,39 @@
+package v1alpha1
+
+import (
+	"fmt"
+	"strings"
+)
+
+// BuildPlan is the primary interface between CUE and the Holos cli.
+type BuildPlan struct {
+	TypeMeta `json:",inline" yaml:",inline"`
+	// Metadata represents the holos component name
+	Metadata ObjectMeta    `json:"metadata,omitempty" yaml:"metadata,omitempty"`
+	Spec     BuildPlanSpec `json:"spec,omitempty" yaml:"spec,omitempty"`
+}
+
+type BuildPlanSpec struct {
+	Disabled   bool                `json:"disabled,omitempty" yaml:"disabled,omitempty"`
+	Components BuildPlanComponents `json:"components,omitempty" yaml:"components,omitempty"`
+}
+
+type BuildPlanComponents struct {
+	HelmChartList         []HelmChart         `json:"helmChartList,omitempty" yaml:"helmChartList,omitempty"`
+	KubernetesObjectsList []KubernetesObjects `json:"kubernetesObjectsList,omitempty" yaml:"kubernetesObjectsList,omitempty"`
+	KustomizeBuildList    []KustomizeBuild    `json:"kustomizeBuildList,omitempty" yaml:"kustomizeBuildList,omitempty"`
+}
+
+func (bp *BuildPlan) Validate() error {
+	errs := make([]string, 0, 2)
+	if bp.Kind != BuildPlanKind {
+		errs = append(errs, fmt.Sprintf("kind invalid: want: %s have: %s", BuildPlanKind, bp.Kind))
+	}
+	if bp.APIVersion != APIVersion {
+		errs = append(errs, fmt.Sprintf("apiVersion invalid: want: %s have: %s", APIVersion, bp.APIVersion))
+	}
+	if len(errs) > 0 {
+		return fmt.Errorf("invalid BuildPlan: " + strings.Join(errs, ", "))
+	}
+	return nil
+}

api/v1alpha1/component.go

@@ -0,0 +1,22 @@
+package v1alpha1
+
+// HolosComponent defines the fields common to all holos component kinds including the Render Result.
+type HolosComponent struct {
+	TypeMeta `json:",inline" yaml:",inline"`
+	// Metadata represents the holos component name
+	Metadata ObjectMeta `json:"metadata,omitempty" yaml:"metadata,omitempty"`
+	// APIObjectMap holds the marshalled representation of api objects. Think of
+	// these as resources overlaid at the back of the render pipeline.
+	APIObjectMap APIObjectMap `json:"apiObjectMap,omitempty" yaml:"apiObjectMap,omitempty"`
+	// Kustomization holds the marshalled representation of the flux kustomization
+	// which reconciles resources in git with the api server.
+	Kustomization `json:",inline" yaml:",inline"`
+	// Kustomize represents a kubectl kustomize build post-processing step.
+	Kustomize `json:",inline" yaml:",inline"`
+	// Skip causes holos to take no action regarding the component.
+	Skip bool
+}
+
+func (hc *HolosComponent) NewResult() *Result {
+	return &Result{HolosComponent: *hc}
+}

api/v1alpha1/constants.go

@@ -0,0 +1,11 @@
+package v1alpha1
+
+const (
+	APIVersion    = "holos.run/v1alpha1"
+	BuildPlanKind = "BuildPlan"
+	HelmChartKind = "HelmChart"
+	// ChartDir is the directory name created in the holos component directory to cache a chart.
+	ChartDir = "vendor"
+	// ResourcesFile is the file name used to store component output when post-processing with kustomize.
+	ResourcesFile = "resources.yaml"
+)

api/v1alpha1/doc.go

@@ -0,0 +1,2 @@
+// Package v1alpha1 defines the api boundary between CUE and Holos.
+package v1alpha1

api/v1alpha1/helm.go

@@ -0,0 +1,154 @@
+package v1alpha1
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/holos-run/holos"
+	"github.com/holos-run/holos/pkg/logger"
+	"github.com/holos-run/holos/pkg/util"
+	"github.com/holos-run/holos/pkg/wrapper"
+)
+
+// A HelmChart represents a helm command to provide chart values in order to render kubernetes api objects.
+type HelmChart struct {
+	HolosComponent `json:",inline" yaml:",inline"`
+	// Namespace is the namespace to install into.  TODO: Use metadata.namespace instead.
+	Namespace     string `json:"namespace"`
+	Chart         Chart  `json:"chart"`
+	ValuesContent string `json:"valuesContent"`
+	EnableHooks   bool   `json:"enableHooks"`
+}
+
+type Chart struct {
+	Name       string     `json:"name"`
+	Version    string     `json:"version"`
+	Release    string     `json:"release"`
+	Repository Repository `json:"repository,omitempty"`
+}
+
+type Repository struct {
+	Name string `json:"name"`
+	URL  string `json:"url"`
+}
+
+func (hc *HelmChart) Render(ctx context.Context, path holos.PathComponent) (*Result, error) {
+	result := Result{HolosComponent: hc.HolosComponent}
+	if err := hc.helm(ctx, &result, path); err != nil {
+		return nil, err
+	}
+	result.addObjectMap(ctx, hc.APIObjectMap)
+	if err := result.kustomize(ctx); err != nil {
+		return nil, wrapper.Wrap(fmt.Errorf("could not kustomize: %w", err))
+	}
+	return &result, nil
+}
+
+// runHelm provides the values produced by CUE to helm template and returns
+// the rendered kubernetes api objects in the result.
+func (hc *HelmChart) helm(ctx context.Context, r *Result, path holos.PathComponent) error {
+	log := logger.FromContext(ctx).With("chart", hc.Chart.Name)
+	if hc.Chart.Name == "" {
+		log.WarnContext(ctx, "skipping helm: no chart name specified, use a different component type")
+		return nil
+	}
+
+	cachedChartPath := filepath.Join(string(path), ChartDir, filepath.Base(hc.Chart.Name))
+	if isNotExist(cachedChartPath) {
+		// Add repositories
+		repo := hc.Chart.Repository
+		if repo.URL != "" {
+			out, err := util.RunCmd(ctx, "helm", "repo", "add", repo.Name, repo.URL)
+			if err != nil {
+				log.ErrorContext(ctx, "could not run helm", "stderr", out.Stderr.String(), "stdout", out.Stdout.String())
+				return wrapper.Wrap(fmt.Errorf("could not run helm repo add: %w", err))
+			}
+			// Update repository
+			out, err = util.RunCmd(ctx, "helm", "repo", "update", repo.Name)
+			if err != nil {
+				log.ErrorContext(ctx, "could not run helm", "stderr", out.Stderr.String(), "stdout", out.Stdout.String())
+				return wrapper.Wrap(fmt.Errorf("could not run helm repo update: %w", err))
+			}
+		} else {
+			log.DebugContext(ctx, "no chart repository url proceeding assuming oci chart")
+		}
+
+		// Cache the chart
+		if err := cacheChart(ctx, path, ChartDir, hc.Chart); err != nil {
+			return fmt.Errorf("could not cache chart: %w", err)
+		}
+	}
+
+	// Write values file
+	tempDir, err := os.MkdirTemp("", "holos")
+	if err != nil {
+		return wrapper.Wrap(fmt.Errorf("could not make temp dir: %w", err))
+	}
+	defer util.Remove(ctx, tempDir)
+
+	valuesPath := filepath.Join(tempDir, "values.yaml")
+	if err := os.WriteFile(valuesPath, []byte(hc.ValuesContent), 0644); err != nil {
+		return wrapper.Wrap(fmt.Errorf("could not write values: %w", err))
+	}
+	log.DebugContext(ctx, "helm: wrote values", "path", valuesPath, "bytes", len(hc.ValuesContent))
+
+	// Run charts
+	chart := hc.Chart
+	args := []string{"template"}
+	if !hc.EnableHooks {
+		args = append(args, "--no-hooks")
+	}
+	namespace := hc.Namespace
+	args = append(args, "--include-crds", "--values", valuesPath, "--namespace", namespace, "--kubeconfig", "/dev/null", "--version", chart.Version, chart.Release, cachedChartPath)
+	helmOut, err := util.RunCmd(ctx, "helm", args...)
+	if err != nil {
+		stderr := helmOut.Stderr.String()
+		lines := strings.Split(stderr, "\n")
+		for _, line := range lines {
+			if strings.HasPrefix(line, "Error:") {
+				err = fmt.Errorf("%s: %w", line, err)
+			}
+		}
+		return wrapper.Wrap(fmt.Errorf("could not run helm template: %w", err))
+	}
+
+	r.accumulatedOutput = helmOut.Stdout.String()
+
+	return nil
+}
+
+// cacheChart stores a cached copy of Chart in the chart subdirectory of path.
+func cacheChart(ctx context.Context, path holos.PathComponent, chartDir string, chart Chart) error {
+	log := logger.FromContext(ctx)
+
+	cacheTemp, err := os.MkdirTemp(string(path), chartDir)
+	if err != nil {
+		return wrapper.Wrap(fmt.Errorf("could not make temp dir: %w", err))
+	}
+	defer util.Remove(ctx, cacheTemp)
+
+	chartName := chart.Name
+	if chart.Repository.Name != "" {
+		chartName = fmt.Sprintf("%s/%s", chart.Repository.Name, chart.Name)
+	}
+	helmOut, err := util.RunCmd(ctx, "helm", "pull", "--destination", cacheTemp, "--untar=true", "--version", chart.Version, chartName)
+	if err != nil {
+		return wrapper.Wrap(fmt.Errorf("could not run helm pull: %w", err))
+	}
+	log.Debug("helm pull", "stdout", helmOut.Stdout, "stderr", helmOut.Stderr)
+
+	cachePath := filepath.Join(string(path), chartDir)
+	if err := os.Rename(cacheTemp, cachePath); err != nil {
+		return wrapper.Wrap(fmt.Errorf("could not rename: %w", err))
+	}
+	log.InfoContext(ctx, "cached", "chart", chart.Name, "version", chart.Version, "path", cachePath)
+
+	return nil
+}
+func isNotExist(path string) bool {
+	_, err := os.Stat(path)
+	return os.IsNotExist(err)
+}

api/v1alpha1/kubernetesobjects.go

@@ -0,0 +1,20 @@
+package v1alpha1
+
+import (
+	"context"
+	"github.com/holos-run/holos"
+)
+
+const KubernetesObjectsKind = "KubernetesObjects"
+
+// KubernetesObjects represents CUE output which directly provides Kubernetes api objects to holos.
+type KubernetesObjects struct {
+	HolosComponent `json:",inline" yaml:",inline"`
+}
+
+// Render produces kubernetes api objects from the APIObjectMap
+func (o *KubernetesObjects) Render(ctx context.Context, path holos.PathComponent) (*Result, error) {
+	result := Result{HolosComponent: o.HolosComponent}
+	result.addObjectMap(ctx, o.APIObjectMap)
+	return &result, nil
+}

api/v1alpha1/kustomization.go

@@ -0,0 +1,7 @@
+package v1alpha1
+
+// Kustomization holds the rendered flux kustomization api object content for git ops.
+type Kustomization struct {
+	// KsContent is the yaml representation of the flux kustomization for gitops.
+	KsContent string `json:"ksContent,omitempty" yaml:"ksContent,omitempty"`
+}

api/v1alpha1/kustomize.go

@@ -0,0 +1,46 @@
+package v1alpha1
+
+import (
+	"context"
+	"github.com/holos-run/holos"
+	"github.com/holos-run/holos/pkg/logger"
+	"github.com/holos-run/holos/pkg/util"
+	"github.com/holos-run/holos/pkg/wrapper"
+)
+
+const KustomizeBuildKind = "KustomizeBuild"
+
+// Kustomize represents resources necessary to execute a kustomize build.
+// Intended for at least two use cases:
+//
+//  1. Process raw yaml file resources in a holos component directory.
+//  2. Post process a HelmChart to inject istio, add custom labels, etc...
+type Kustomize struct {
+	// KustomizeFiles holds file contents for kustomize, e.g. patch files.
+	KustomizeFiles FileContentMap `json:"kustomizeFiles,omitempty" yaml:"kustomizeFiles,omitempty"`
+	// ResourcesFile is the file name used for api objects in kustomization.yaml
+	ResourcesFile string `json:"resourcesFile,omitempty" yaml:"resourcesFile,omitempty"`
+}
+
+// KustomizeBuild renders plain yaml files in the holos component directory using kubectl kustomize build.
+type KustomizeBuild struct {
+	HolosComponent `json:",inline" yaml:",inline"`
+}
+
+// Render produces a Result by executing kubectl kustomize on the holos
+// component path. Useful for processing raw yaml files.
+func (kb *KustomizeBuild) Render(ctx context.Context, path holos.PathComponent) (*Result, error) {
+	log := logger.FromContext(ctx)
+	result := Result{HolosComponent: kb.HolosComponent}
+	// Run kustomize.
+	kOut, err := util.RunCmd(ctx, "kubectl", "kustomize", string(path))
+	if err != nil {
+		log.ErrorContext(ctx, kOut.Stderr.String())
+		return nil, wrapper.Wrap(err)
+	}
+	// Replace the accumulated output
+	result.accumulatedOutput = kOut.Stdout.String()
+	// Add CUE based api objects.
+	result.addObjectMap(ctx, kb.APIObjectMap)
+	return &result, nil
+}

api/v1alpha1/objectmap.go

@@ -0,0 +1,8 @@
+package v1alpha1
+
+// APIObjectMap is the shape of marshalled api objects returned from cue to the
+// holos cli. A map is used to improve the clarity of error messages from cue.
+type APIObjectMap map[string]map[string]string
+
+// FileContentMap is a map of file names to file contents.
+type FileContentMap map[string]string

api/v1alpha1/objectmeta.go

@@ -0,0 +1,15 @@
+package v1alpha1
+
+// ObjectMeta represents metadata of a holos component object. The fields are a
+// copy of upstream kubernetes api machinery but are by holos objects distinct
+// from kubernetes api objects.
+type ObjectMeta struct {
+	// Name uniquely identifies the holos component instance and must be suitable as a file name.
+	Name string `json:"name,omitempty" yaml:"name,omitempty"`
+	// Namespace confines a holos component to a single namespace via kustomize if set.
+	Namespace string `json:"namespace,omitempty" yaml:"namespace,omitempty"`
+	// Labels are not used but are copied from api machinery ObjectMeta for completeness.
+	Labels map[string]string `json:"labels,omitempty" yaml:"labels,omitempty"`
+	// Annotations are not used but are copied from api machinery ObjectMeta for completeness.
+	Annotations map[string]string `json:"annotations,omitempty" yaml:"annotations,omitempty"`
+}

api/v1alpha1/render.go

@@ -0,0 +1,21 @@
+package v1alpha1
+
+import (
+	"context"
+	"github.com/holos-run/holos"
+)
+
+type Renderer interface {
+	GetKind() string
+	Render(ctx context.Context, path holos.PathComponent) (*Result, error)
+}
+
+// Render produces a Result representing the kubernetes api objects to
+// configure. Each of the various holos component types, e.g. Helm, Kustomize,
+// et al, should implement the Renderer interface. This process is best
+// conceptualized as a data pipeline, for example a component may render a
+// result by first calling helm template, then passing the result through
+// kustomize, then mixing in overlay api objects.
+func Render(ctx context.Context, r Renderer, path holos.PathComponent) (*Result, error) {
+	return r.Render(ctx, path)
+}

api/v1alpha1/result.go

@@ -0,0 +1,137 @@
+package v1alpha1
+
+import (
+	"context"
+	"fmt"
+	"github.com/holos-run/holos/pkg/logger"
+	"github.com/holos-run/holos/pkg/util"
+	"github.com/holos-run/holos/pkg/wrapper"
+	"os"
+	"path/filepath"
+	"slices"
+)
+
+// Result is the build result for display or writing.  Holos components Render the Result as a data pipeline.
+type Result struct {
+	HolosComponent
+	// accumulatedOutput accumulates rendered api objects.
+	accumulatedOutput string
+}
+
+func (r *Result) Name() string {
+	return r.Metadata.Name
+}
+
+func (r *Result) Filename(writeTo string, cluster string) string {
+	name := r.Metadata.Name
+	return filepath.Join(writeTo, "clusters", cluster, "components", name, name+".gen.yaml")
+}
+
+func (r *Result) KustomizationFilename(writeTo string, cluster string) string {
+	return filepath.Join(writeTo, "clusters", cluster, "holos", "components", r.Metadata.Name+"-kustomization.gen.yaml")
+}
+
+// AccumulatedOutput returns the accumulated rendered output.
+func (r *Result) AccumulatedOutput() string {
+	return r.accumulatedOutput
+}
+
+// addObjectMap renders the provided APIObjectMap into the accumulated output.
+func (r *Result) addObjectMap(ctx context.Context, objectMap APIObjectMap) {
+	log := logger.FromContext(ctx)
+	b := []byte(r.AccumulatedOutput())
+	kinds := make([]string, 0, len(objectMap))
+	// Sort the keys
+	for kind := range objectMap {
+		kinds = append(kinds, kind)
+	}
+	slices.Sort(kinds)
+
+	for _, kind := range kinds {
+		v := objectMap[kind]
+		// Sort the keys
+		names := make([]string, 0, len(v))
+		for name := range v {
+			names = append(names, name)
+		}
+		slices.Sort(names)
+
+		for _, name := range names {
+			yamlString := v[name]
+			log.Debug(fmt.Sprintf("%s/%s", kind, name), "kind", kind, "name", name)
+			b = util.EnsureNewline(b)
+			header := fmt.Sprintf("---\n# Source: CUE apiObjects.%s.%s\n", kind, name)
+			b = append(b, []byte(header+yamlString)...)
+			b = util.EnsureNewline(b)
+		}
+	}
+	r.accumulatedOutput = string(b)
+}
+
+// kustomize replaces the accumulated output with the output of kustomize build
+func (r *Result) kustomize(ctx context.Context) error {
+	log := logger.FromContext(ctx)
+	if r.ResourcesFile == "" {
+		log.DebugContext(ctx, "skipping kustomize: no resourcesFile")
+		return nil
+	}
+	if len(r.KustomizeFiles) < 1 {
+		log.DebugContext(ctx, "skipping kustomize: no kustomizeFiles")
+		return nil
+	}
+	tempDir, err := os.MkdirTemp("", "holos.kustomize")
+	if err != nil {
+		return wrapper.Wrap(err)
+	}
+	defer util.Remove(ctx, tempDir)
+
+	// Write the main api object resources file for kustomize.
+	target := filepath.Join(tempDir, r.ResourcesFile)
+	b := []byte(r.AccumulatedOutput())
+	b = util.EnsureNewline(b)
+	if err := os.WriteFile(target, b, 0644); err != nil {
+		return wrapper.Wrap(fmt.Errorf("could not write resources: %w", err))
+	}
+	log.DebugContext(ctx, "wrote: "+target, "op", "write", "path", target, "bytes", len(b))
+
+	// Write the kustomization tree, kustomization.yaml must be in this map for kustomize to work.
+	for file, content := range r.KustomizeFiles {
+		target := filepath.Join(tempDir, file)
+		if err := os.MkdirAll(filepath.Dir(target), 0755); err != nil {
+			return wrapper.Wrap(err)
+		}
+		b := []byte(content)
+		b = util.EnsureNewline(b)
+		if err := os.WriteFile(target, b, 0644); err != nil {
+			return wrapper.Wrap(fmt.Errorf("could not write: %w", err))
+		}
+		log.DebugContext(ctx, "wrote: "+target, "op", "write", "path", target, "bytes", len(b))
+	}
+
+	// Run kustomize.
+	kOut, err := util.RunCmd(ctx, "kubectl", "kustomize", tempDir)
+	if err != nil {
+		log.ErrorContext(ctx, kOut.Stderr.String())
+		return wrapper.Wrap(err)
+	}
+	// Replace the accumulated output
+	r.accumulatedOutput = kOut.Stdout.String()
+	return nil
+}
+
+// Save writes the content to the filesystem for git ops.
+func (r *Result) Save(ctx context.Context, path string, content string) error {
+	log := logger.FromContext(ctx)
+	dir := filepath.Dir(path)
+	if err := os.MkdirAll(dir, os.FileMode(0775)); err != nil {
+		log.WarnContext(ctx, "could not mkdir", "path", dir, "err", err)
+		return wrapper.Wrap(err)
+	}
+	// Write the kube api objects
+	if err := os.WriteFile(path, []byte(content), os.FileMode(0644)); err != nil {
+		log.WarnContext(ctx, "could not write", "path", path, "err", err)
+		return wrapper.Wrap(err)
+	}
+	log.DebugContext(ctx, "out: wrote "+path, "action", "write", "path", path, "status", "ok")
+	return nil
+}

api/v1alpha1/typemeta.go

@@ -0,0 +1,10 @@
+package v1alpha1
+
+type TypeMeta struct {
+	Kind       string `json:"kind,omitempty" yaml:"kind,omitempty"`
+	APIVersion string `json:"apiVersion,omitempty" yaml:"apiVersion,omitempty"`
+}
+
+func (tm *TypeMeta) GetKind() string {
+	return tm.Kind
+}

cmd/holos/testdata/constraints.txt

@@ -1,7 +1,6 @@
 # Want support for intermediary constraints
 exec holos build ./foo/... --log-level debug
 stdout '^bf2bc7f9-9ba0-4f9e-9bd2-9a205627eb0b$'
-stderr 'processing holos component kind Skip'
 
 -- cue.mod --
 package holos
@@ -12,31 +11,21 @@ metadata: name: "jeff"
 -- foo/bar/bar.cue --
 package holos
 
-#KubernetesObjects & {
-  apiObjectMap: foo: bar: "bf2bc7f9-9ba0-4f9e-9bd2-9a205627eb0b"
-}
+spec: components: KubernetesObjectsList: [
+  #KubernetesObjects & {
+    apiObjectMap: foo: bar: "bf2bc7f9-9ba0-4f9e-9bd2-9a205627eb0b"
+  }
+]
 -- schema.cue --
 package holos
 
-cluster: string @tag(cluster, string)
-
-// #OutputTypeMeta is shared among all output types
-#OutputTypeMeta: {
-	apiVersion: "holos.run/v1alpha1"
-	kind: #KubernetesObjects.kind | #NoOutput.kind
-	metadata: name: string
-}
+_cluster: string @tag(cluster, string)
 
 #KubernetesObjects: {
-	#OutputTypeMeta
+	apiVersion: "holos.run/v1alpha1"
 	kind: "KubernetesObjects"
 	apiObjectMap: {...}
 }
 
-#NoOutput: {
-	#OutputTypeMeta
-	kind: string | *"Skip"
-	metadata: name: string | *"skipped"
-}
-
-#NoOutput & {}
+apiVersion: "holos.run/v1alpha1"
+kind: "BuildPlan"

cmd/holos/testdata/issue15_cue_errors.txt

@@ -1,16 +1,17 @@
 # Want cue errors to show files and lines
 ! exec holos build .
-stderr '^apiObjectMap.foo.bar: cannot convert non-concrete value string'
-stderr '/component.cue:7:20$'
+stderr 'apiObjectMap.foo.bar: cannot convert incomplete value'
+stderr '/component.cue:\d+:\d+$'
 
 -- cue.mod --
 package holos
 -- component.cue --
 package holos
 
-apiVersion: "holos.run/v1alpha1"
-kind: "KubernetesObjects"
-cluster: string @tag(cluster, string)
+_cluster: string @tag(cluster, string)
 
-apiObjectMap: foo: bar: baz
-baz: string
+apiVersion: "holos.run/v1alpha1"
+kind: "BuildPlan"
+spec: components: KubernetesObjectsList: [{apiObjectMap: foo: bar: _baz}]
+
+_baz: string

cmd/holos/testdata/issue25_apiobjects_cue.txt

@@ -9,15 +9,17 @@ package holos
 package holos
 
 apiVersion: "holos.run/v1alpha1"
-kind: "KubernetesObjects"
-cluster: string @tag(cluster, string)
+kind: "BuildPlan"
+spec: components: KubernetesObjectsList: [{apiObjectMap: #APIObjects.apiObjectMap}]
+
+_cluster: string @tag(cluster, string)
 
 #SecretStore: {
     kind: string
     metadata: name: string
 }
 
-#APIObjects & {
+#APIObjects: {
   apiObjects: {
     SecretStore: {
       default: #SecretStore & { metadata: name: "default" }
@@ -54,4 +56,3 @@ import "encoding/yaml"
 		}
 	}
 }
-

cmd/holos/testdata/issue25_apiobjects_helm.txt

@@ -10,15 +10,17 @@ package holos
 package holos
 
 apiVersion: "holos.run/v1alpha1"
-kind: "HelmChart"
-cluster: string @tag(cluster, string)
+kind: "BuildPlan"
+spec: components: HelmChartList: [{apiObjectMap: #APIObjects.apiObjectMap}]
+
+_cluster: string @tag(cluster, string)
 
 #SecretStore: {
     kind: string
     metadata: name: string
 }
 
-#APIObjects & {
+#APIObjects: {
   apiObjects: {
     SecretStore: {
       default: #SecretStore & { metadata: name: "default" }
@@ -55,4 +57,3 @@ import "encoding/yaml"
 		}
 	}
 }
-

cmd/holos/testdata/issue33_helm_stderr.txt

@@ -7,22 +7,27 @@ package holos
 -- zitadel.cue --
 package holos
 
-cluster: string @tag(cluster, string)
-
 apiVersion: "holos.run/v1alpha1"
-kind: "HelmChart"
-metadata: name: "zitadel"
-namespace: "zitadel"
-chart: {
-	name:    "zitadel"
-	version: "7.9.0"
-	release: name
-	repository: {
-		name: "zitadel"
-		url:  "https://charts.zitadel.com"
-	}
-}
+kind: "BuildPlan"
+spec: components: HelmChartList: [_HelmChart]
 
+_cluster: string @tag(cluster, string)
+
+_HelmChart: {
+  apiVersion: "holos.run/v1alpha1"
+  kind: "HelmChart"
+  metadata: name: "zitadel"
+  namespace: "zitadel"
+  chart: {
+    name:    "zitadel"
+    version: "7.9.0"
+    release: name
+    repository: {
+      name: "zitadel"
+      url:  "https://charts.zitadel.com"
+    }
+  }
+}
 
 -- vendor/zitadel/templates/secret_zitadel-masterkey.yaml --
 {{- if (or (and .Values.zitadel.masterkey .Values.zitadel.masterkeySecretName) (and (not .Values.zitadel.masterkey) (not .Values.zitadel.masterkeySecretName)) ) }}

cmd/holos/testdata/issue42_kustomize_build_kind.txt

@@ -9,22 +9,25 @@ package holos
 -- component.cue --
 package holos
 
-cluster: string @tag(cluster, string)
+_cluster: string @tag(cluster, string)
 
 apiVersion: "holos.run/v1alpha1"
-kind: "KustomizeBuild"
-metadata: name: "kstest"
+kind: "BuildPlan"
+spec: components: KustomizeBuildList: [{metadata: name: "kstest"}]
+
 -- kustomization.yaml --
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 namespace: mynamespace
 resources:
 - serviceaccount.yaml
+
 -- serviceaccount.yaml --
 apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: test
+
 -- want.yaml --
 apiVersion: v1
 kind: ServiceAccount

cmd/holos/testdata/issue72_disallow_unknown_fields.txt

@@ -0,0 +1,14 @@
+# https://github.com/holos-run/holos/issues/72
+# Want holos to fail on unknown fields to catch typos and aid refactors
+! exec holos build .
+stderr 'unknown field \\"TypoKubernetesObjectsList\\"'
+
+-- cue.mod --
+package holos
+-- component.cue --
+package holos
+_cluster: string @tag(cluster, string)
+
+apiVersion: "holos.run/v1alpha1"
+kind: "BuildPlan"
+spec: components: TypoKubernetesObjectsList: []

docs/examples/cue.mod/gen/github.com/holos-run/holos/api/v1alpha1/buildplan_go_gen.cue

@@ -0,0 +1,25 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+//cue:generate cue get go github.com/holos-run/holos/api/v1alpha1
+
+package v1alpha1
+
+// BuildPlan is the primary interface between CUE and the Holos cli.
+#BuildPlan: {
+	#TypeMeta
+
+	// Metadata represents the holos component name
+	metadata?: #ObjectMeta    @go(Metadata)
+	spec?:     #BuildPlanSpec @go(Spec)
+}
+
+#BuildPlanSpec: {
+	disabled?:   bool                 @go(Disabled)
+	components?: #BuildPlanComponents @go(Components)
+}
+
+#BuildPlanComponents: {
+	helmCharts?: [...#HelmChart] @go(HelmCharts,[]HelmChart)
+	kubernetesObjects?: [...#KubernetesObjects] @go(KubernetesObjects,[]KubernetesObjects)
+	kustomizeBuilds?: [...#KustomizeBuild] @go(KustomizeBuilds,[]KustomizeBuild)
+}

docs/examples/cue.mod/gen/github.com/holos-run/holos/api/v1alpha1/component_go_gen.cue

@@ -0,0 +1,24 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+//cue:generate cue get go github.com/holos-run/holos/api/v1alpha1
+
+package v1alpha1
+
+// HolosComponent defines the fields common to all holos component kinds including the Render Result.
+#HolosComponent: {
+	#TypeMeta
+
+	// Metadata represents the holos component name
+	metadata?: #ObjectMeta @go(Metadata)
+
+	// APIObjectMap holds the marshalled representation of api objects. Think of
+	// these as resources overlaid at the back of the render pipeline.
+	apiObjectMap?: #APIObjectMap @go(APIObjectMap)
+
+	#Kustomization
+
+	#Kustomize
+
+	// Skip causes holos to take no action regarding the component.
+	Skip: bool
+}

docs/examples/cue.mod/gen/github.com/holos-run/holos/api/v1alpha1/constants_go_gen.cue

@@ -0,0 +1,15 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+//cue:generate cue get go github.com/holos-run/holos/api/v1alpha1
+
+package v1alpha1
+
+#APIVersion:    "holos.run/v1alpha1"
+#BuildPlanKind: "BuildPlan"
+#HelmChartKind: "HelmChart"
+
+// ChartDir is the directory name created in the holos component directory to cache a chart.
+#ChartDir: "vendor"
+
+// ResourcesFile is the file name used to store component output when post processing with kustomize.
+#ResourcesFile: "resources.yaml"

docs/examples/cue.mod/gen/github.com/holos-run/holos/api/v1alpha1/doc_go_gen.cue

@@ -0,0 +1,6 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+//cue:generate cue get go github.com/holos-run/holos/api/v1alpha1
+
+// Package v1alpha1 defines the api boundary between CUE and Holos.
+package v1alpha1

docs/examples/cue.mod/gen/github.com/holos-run/holos/api/v1alpha1/helm_go_gen.cue

@@ -0,0 +1,28 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+//cue:generate cue get go github.com/holos-run/holos/api/v1alpha1
+
+package v1alpha1
+
+// A HelmChart represents a helm command to provide chart values in order to render kubernetes api objects.
+#HelmChart: {
+	#HolosComponent
+
+	// Namespace is the namespace to install into.  TODO: Use metadata.namespace instead.
+	namespace:     string @go(Namespace)
+	chart:         #Chart @go(Chart)
+	valuesContent: string @go(ValuesContent)
+	enableHooks:   bool   @go(EnableHooks)
+}
+
+#Chart: {
+	name:        string      @go(Name)
+	version:     string      @go(Version)
+	release:     string      @go(Release)
+	repository?: #Repository @go(Repository)
+}
+
+#Repository: {
+	name: string @go(Name)
+	url:  string @go(URL)
+}

docs/examples/cue.mod/gen/github.com/holos-run/holos/api/v1alpha1/kubernetesobjects_go_gen.cue

@@ -0,0 +1,12 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+//cue:generate cue get go github.com/holos-run/holos/api/v1alpha1
+
+package v1alpha1
+
+#KubernetesObjectsKind: "KubernetesObjects"
+
+// KubernetesObjects represents CUE output which directly provides Kubernetes api objects to holos.
+#KubernetesObjects: {
+	#HolosComponent
+}

docs/examples/cue.mod/gen/github.com/holos-run/holos/api/v1alpha1/kustomization_go_gen.cue

@@ -0,0 +1,11 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+//cue:generate cue get go github.com/holos-run/holos/api/v1alpha1
+
+package v1alpha1
+
+// Kustomization holds the rendered flux kustomization api object content for git ops.
+#Kustomization: {
+	// KsContent is the yaml representation of the flux kustomization for gitops.
+	ksContent?: string @go(KsContent)
+}

docs/examples/cue.mod/gen/github.com/holos-run/holos/api/v1alpha1/kustomize_go_gen.cue

@@ -0,0 +1,25 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+//cue:generate cue get go github.com/holos-run/holos/api/v1alpha1
+
+package v1alpha1
+
+#KustomizeBuildKind: "KustomizeBuild"
+
+// Kustomize represents resources necessary to execute a kustomize build.
+// Intended for at least two use cases:
+//
+//  1. Process raw yaml file resources in a holos component directory.
+//  2. Post process a HelmChart to inject istio, add custom labels, etc...
+#Kustomize: {
+	// KustomizeFiles holds file contents for kustomize, e.g. patch files.
+	kustomizeFiles?: #FileContentMap @go(KustomizeFiles)
+
+	// ResourcesFile is the file name used for api objects in kustomization.yaml
+	resourcesFile?: string @go(ResourcesFile)
+}
+
+// KustomizeBuild renders plain yaml files in the holos component directory using kubectl kustomize build.
+#KustomizeBuild: {
+	#HolosComponent
+}

docs/examples/cue.mod/gen/github.com/holos-run/holos/api/v1alpha1/kustomizebuild_go_gen.cue

@@ -0,0 +1,12 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+//cue:generate cue get go github.com/holos-run/holos/api/v1alpha1
+
+package v1alpha1
+
+#KustomizeBuildKind: "KustomizeBuild"
+
+// KustomizeBuild
+#KustomizeBuild: {
+	#HolosComponent
+}

docs/examples/cue.mod/gen/github.com/holos-run/holos/api/v1alpha1/objectmap_go_gen.cue

@@ -0,0 +1,12 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+//cue:generate cue get go github.com/holos-run/holos/api/v1alpha1
+
+package v1alpha1
+
+// APIObjectMap is the shape of marshalled api objects returned from cue to the
+// holos cli. A map is used to improve the clarity of error messages from cue.
+#APIObjectMap: {[string]: [string]: string}
+
+// FileContentMap is a map of file names to file contents.
+#FileContentMap: {[string]: string}

docs/examples/cue.mod/gen/github.com/holos-run/holos/api/v1alpha1/objectmeta_go_gen.cue

@@ -0,0 +1,22 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+//cue:generate cue get go github.com/holos-run/holos/api/v1alpha1
+
+package v1alpha1
+
+// ObjectMeta represents metadata of a holos component object. The fields are a
+// copy of upstream kubernetes api machinery but are by holos objects distinct
+// from kubernetes api objects.
+#ObjectMeta: {
+	// Name uniquely identifies the holos component instance and must be suitable as a file name.
+	name?: string @go(Name)
+
+	// Namespace confines a holos component to a single namespace via kustomize if set.
+	namespace?: string @go(Namespace)
+
+	// Labels are not used but are copied from api machinery ObjectMeta for completeness.
+	labels?: {[string]: string} @go(Labels,map[string]string)
+
+	// Annotations are not used but are copied from api machinery ObjectMeta for completeness.
+	annotations?: {[string]: string} @go(Annotations,map[string]string)
+}

docs/examples/cue.mod/gen/github.com/holos-run/holos/api/v1alpha1/render_go_gen.cue

@@ -0,0 +1,7 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+//cue:generate cue get go github.com/holos-run/holos/api/v1alpha1
+
+package v1alpha1
+
+#Renderer: _

docs/examples/cue.mod/gen/github.com/holos-run/holos/api/v1alpha1/result_go_gen.cue

@@ -0,0 +1,10 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+//cue:generate cue get go github.com/holos-run/holos/api/v1alpha1
+
+package v1alpha1
+
+// Result is the build result for display or writing.  Holos components Render the Result as a data pipeline.
+#Result: {
+	HolosComponent: #HolosComponent
+}

docs/examples/cue.mod/gen/github.com/holos-run/holos/api/v1alpha1/typemeta_go_gen.cue

@@ -0,0 +1,10 @@
+// Code generated by cue get go. DO NOT EDIT.
+
+//cue:generate cue get go github.com/holos-run/holos/api/v1alpha1
+
+package v1alpha1
+
+#TypeMeta: {
+	kind?:       string @go(Kind)
+	apiVersion?: string @go(APIVersion)
+}

docs/examples/cue.mod/usr/github.com/holos-run/holos/api/v1alpha1/buildplan.cue

@@ -0,0 +1,8 @@
+package v1alpha1
+
+// #BuildPlan is the API contract between CUE and the Holos cli.
+// Holos requires CUE to evaluate and provide a valid #BuildPlan.
+#BuildPlan: {
+	kind:       #BuildPlanKind
+	apiVersion: #APIVersion
+}

docs/examples/cue.mod/usr/github.com/holos-run/holos/api/v1alpha1/constraints.cue

@@ -0,0 +1 @@
+package v1alpha1

docs/examples/cue.mod/usr/github.com/holos-run/holos/api/v1alpha1/defaults.cue

@@ -0,0 +1,5 @@
+package v1alpha1
+
+#HolosComponent: Skip: true | *false
+
+#HelmChart: enableHooks: true | *false

docs/examples/helpers.cue

@@ -0,0 +1,31 @@
+package holos
+
+import "encoding/yaml"
+
+// #APIObjects is the output type for api objects produced by cue.
+#APIObjects: {
+	// apiObjects holds each the api objects produced by cue.
+	apiObjects: {
+		[Kind=_]: {
+			[Name=_]: {
+				kind: Kind
+				...
+			}
+		}
+		ExternalSecret?: [Name=_]: #ExternalSecret & {_name: Name}
+		VirtualService?: [Name=_]: #VirtualService & {metadata: name: Name}
+		Issuer?: [Name=_]: #Issuer & {metadata: name: Name}
+	}
+
+	// apiObjectMap holds the marshalled representation of apiObjects
+	apiObjectMap: {
+		for kind, v in apiObjects {
+			"\(kind)": {
+				for name, obj in v {
+					"\(name)": yaml.Marshal(obj)
+				}
+			}
+		}
+		...
+	}
+}

docs/examples/holos.cue

@@ -0,0 +1,117 @@
+package holos
+
+import (
+	"encoding/yaml"
+	h "github.com/holos-run/holos/api/v1alpha1"
+	kc "sigs.k8s.io/kustomize/api/types"
+	ksv1 "kustomize.toolkit.fluxcd.io/kustomization/v1"
+)
+
+// The overall structure of the data is:
+// 1 CUE Instance => 1 BuildPlan => 0..N HolosComponents
+
+// Holos requires CUE to evaluate and provide a valid BuildPlan.
+// Constrain each CUE instance to output a BuildPlan.
+{} & h.#BuildPlan
+
+let DependsOn = {[Name=_]: name: string & Name}
+
+// #HolosComponent defines struct fields common to all holos component types.
+#HolosComponent: {
+	h.#HolosComponent
+	_dependsOn: DependsOn
+	let DEPENDS_ON = _dependsOn
+	metadata: name: string
+	#namelen: len(metadata.name) & >=1
+	let Name = metadata.name
+
+	// TODO: ksContent needs to be component scoped, not instance scoped.
+	ksContent: yaml.Marshal(#Kustomization & {
+		_dependsOn: DEPENDS_ON
+		metadata: name: Name
+	})
+	// Leave the HolosComponent open for components with additional fields like HelmChart.
+	// Refer to https://cuelang.org/docs/tour/types/closed/
+	...
+}
+
+//#KustomizeFiles represents resources for holos to write into files for kustomize post-processing.
+#KustomizeFiles: {
+	// Objects collects files for Holos to write for kustomize post-processing.
+	Objects: "kustomization.yaml": #Kustomize
+	// Files holds the marshaled output of Objects holos writes to the filesystem before calling the kustomize post-processor.
+	Files: {
+		for filename, obj in Objects {
+			"\(filename)": yaml.Marshal(obj)
+		}
+	}
+}
+
+// Holos component types.
+#HelmChart: #HolosComponent & h.#HelmChart & {
+	_values: {...}
+	_kustomizeFiles: #KustomizeFiles
+
+	// Render the values to yaml for holos to provide to helm.
+	valuesContent: yaml.Marshal(_values)
+	// Kustomize post-processor
+	// resources is the intermediate file name for api objects.
+	resourcesFile: h.#ResourcesFile
+	// kustomizeFiles represents the files in a kustomize directory tree.
+	kustomizeFiles: _kustomizeFiles.Files
+
+	chart: h.#Chart & {
+		name:    string
+		release: string | *name
+	}
+}
+#KubernetesObjects: #HolosComponent & h.#KubernetesObjects
+#KustomizeBuild:    #HolosComponent & h.#KustomizeBuild
+
+// #ClusterName is the cluster name for cluster scoped resources.
+#ClusterName: #InputKeys.cluster
+
+// Flux Kustomization CRDs
+#Kustomization: #NamespaceObject & ksv1.#Kustomization & {
+	_dependsOn: DependsOn
+
+	metadata: {
+		name:      string
+		namespace: string | *"flux-system"
+	}
+	spec: ksv1.#KustomizationSpec & {
+		interval:      string | *"30m0s"
+		path:          string | *"deploy/clusters/\(#InputKeys.cluster)/components/\(metadata.name)"
+		prune:         bool | *true
+		retryInterval: string | *"2m0s"
+		sourceRef: {
+			kind: string | *"GitRepository"
+			name: string | *"flux-system"
+		}
+		suspend?:         bool
+		targetNamespace?: string
+		timeout:          string | *"3m0s"
+		// wait performs health checks for all reconciled resources. If set to true, .spec.healthChecks is ignored.
+		// Setting this to true for all components generates considerable load on the api server from watches.
+		// Operations are additionally more complicated when all resources are watched.  Consider setting wait true for
+		// relatively simple components, otherwise target specific resources with spec.healthChecks.
+		wait: true | *false
+		dependsOn: [for k, v in _dependsOn {v}, ...]
+	}
+}
+
+// #Kustomize represents the kustomize post processor.
+#Kustomize: kc.#Kustomization & {
+	_patches: {[_]: kc.#Patch}
+	apiVersion: "kustomize.config.k8s.io/v1beta1"
+	kind:       "Kustomization"
+	// resources are file names holos will use to store intermediate component output for kustomize to post-process (i.e. helm template | kubectl kustomize)
+	// See the related resourcesFile field of the holos component.
+	resources: [h.#ResourcesFile]
+	if len(_patches) > 0 {
+		patches: [for v in _patches {v}]
+	}
+}
+
+// So components don't need to import the package.
+#Patch: kc.#Patch

docs/examples/optionalservices.cue

@@ -0,0 +1,46 @@
+// Controls optional feature flags for services distributed across multiple holos components.
+// For example, enable issuing certificates in the provisioner cluster when an optional service is
+// enabled for a workload cluster.
+package holos
+
+import "list"
+
+#OptionalService: {
+	name:    string
+	enabled: true | *false
+	clusters: [Name=_]: #Platform.clusters[Name]
+	clusterNames: [for c in clusters {c.name}]
+
+	managedNamespaces: [Name=_]: #ManagedNamespace & {
+		namespace: metadata: name: Name
+		clusterNames: ["provisioner", for c in clusters {c.name}]
+	}
+	// servers represents istio Gateway.spec.servers.hosts entries
+	// Refer to istio/gateway/gateway.cue
+	servers: [Name=_]: {
+		hosts: [...string]
+		port: name:          Name
+		port: number:        443
+		port: protocol:      "HTTPS"
+		tls: credentialName: string
+		tls: mode:           "SIMPLE"
+	}
+	// public tls certs should align to hosts.
+	certs: [Name=_]: #Certificate & {
+		metadata: name: Name
+	}
+}
+
+#OptionalServices: {
+	[Name=_]: #OptionalService & {
+		name: Name
+	}
+}
+
+for svc in #OptionalServices {
+	for nsName, ns in svc.managedNamespaces {
+		if svc.enabled && list.Contains(ns.clusterNames, #ClusterName) {
+			#ManagedNamespaces: "\(nsName)": ns
+		}
+	}
+}

docs/examples/platforms/optional.site.cue

@@ -0,0 +1,56 @@
+package holos
+
+let CoreDomain = "core.\(#Platform.org.domain)"
+let TargetNamespace = "prod-core-vault"
+
+#OptionalServices: {
+	vault: {
+		enabled: true
+		clusters: core1: _
+		clusters: core2: _
+		managedNamespaces: "prod-core-vault": {
+			namespace: metadata: labels: "istio-injection": "enabled"
+		}
+		certs: "vault-core": #Certificate & {
+			metadata: name:      "vault-core"
+			metadata: namespace: "istio-ingress"
+			spec: {
+				commonName: "vault.\(CoreDomain)"
+				dnsNames: [commonName]
+				secretName: metadata.name
+				issuerRef: kind: "ClusterIssuer"
+				issuerRef: name: string | *"letsencrypt"
+			}
+		}
+		servers: "https-vault-core": {
+			hosts: ["\(TargetNamespace)/vault.\(CoreDomain)"]
+			tls: credentialName: certs."vault-core".spec.secretName
+		}
+		for k, v in clusters {
+			let obj = (Cert & {Name: "vault-core", Cluster: v.name}).APIObject
+			certs: "\(obj.metadata.name)": obj
+			servers: "https-\(obj.metadata.name)": {
+				hosts: [for host in obj.spec.dnsNames {"\(TargetNamespace)/\(host)"}]
+				tls: credentialName: obj.spec.secretName
+			}
+		}
+	}
+}
+
+// Cert provisions a cluster specific certificate.
+let Cert = {
+	Name:    string
+	Cluster: string
+
+	APIObject: #Certificate & {
+		metadata: name:      "\(Cluster)-\(Name)"
+		metadata: namespace: string | *"istio-ingress"
+		spec: {
+			commonName: string | *"vault.\(Cluster).\(CoreDomain)"
+			dnsNames: [commonName]
+			secretName: metadata.name
+			issuerRef: kind: "ClusterIssuer"
+			issuerRef: name: string | *"letsencrypt"
+		}
+	}
+}

docs/examples/platforms/reference/certificates.cue

@@ -44,7 +44,8 @@ package holos
 	_name:     string
 	_cluster:  string
 	_wildcard: true | *false
-	metadata: name:      string | *"\(_cluster)-\(_name)"
+	// Enforce this value
+	metadata: name:      "\(_cluster)-\(_name)"
 	metadata: namespace: string | *"istio-ingress"
 	spec: {
 		commonName: string | *"\(_name).\(_cluster).\(#Platform.org.domain)"

docs/examples/platforms/reference/clusters/accounts/iam/zitadel/postgres-certs/postgres-certs.cue

@@ -0,0 +1,39 @@
+package holos
+
+#InputKeys: component: "postgres-certs"
+
+let SecretNames = {
+	[Name=_]: {name: Name}
+	"\(_DBName)-primary-tls": _
+	"\(_DBName)-repl-tls":    _
+	"\(_DBName)-client-tls":  _
+	"\(_DBName)-root-ca":     _
+}
+
+#Kustomization: spec: targetNamespace: #TargetNamespace
+#Kustomization: spec: healthChecks: [
+	for s in SecretNames {
+		apiVersion: "external-secrets.io/v1beta1"
+		kind:       "ExternalSecret"
+		name:       s.name
+		namespace:  #TargetNamespace
+	},
+]
+
+spec: components: KubernetesObjectsList: [
+	#KubernetesObjects & {
+		metadata: name: "prod-iam-postgres-certs"
+
+		_dependsOn: "prod-secrets-stores": _
+
+		apiObjectMap: OBJECTS.apiObjectMap
+	},
+]
+
+let OBJECTS = #APIObjects & {
+	apiObjects: {
+		for s in SecretNames {
+			ExternalSecret: "\(s.name)": _
+		}
+	}
+}

docs/examples/platforms/reference/clusters/accounts/iam/zitadel/postgres/postgres.cue

@@ -0,0 +1,199 @@
+package holos
+
+#InputKeys: component:        "postgres"
+#DependsOn: "postgres-certs": _
+
+let Cluster = #Platform.clusters[#ClusterName]
+let S3Secret = "pgo-s3-creds"
+let ZitadelUser = _DBName
+let ZitadelAdmin = "\(_DBName)-admin"
+
+// This must be an external storage bucket for our architecture.
+let BucketRepoName = "repo2"
+
+// Restore options.  Set the timestamp to a known good point in time.
+// time="2024-03-11T17:08:58Z" level=info msg="crunchy-pgbackrest ends"
+// let RestoreOptions = ["--type=time", "--target=\"2024-03-11 17:10:00+00\""]
+
+// Restore the most recent backup.
+let RestoreOptions = []
+
+#Kustomization: spec: healthChecks: [
+	{
+		apiVersion: "external-secrets.io/v1beta1"
+		kind:       "ExternalSecret"
+		name:       S3Secret
+		namespace:  #TargetNamespace
+	},
+	{
+		apiVersion: "postgres-operator.crunchydata.com/v1beta1"
+		kind:       "PostgresCluster"
+		name:       _DBName
+		namespace:  #TargetNamespace
+	},
+]
+
+spec: components: KubernetesObjectsList: [
+	#KubernetesObjects & {
+		metadata: name: "prod-iam-postgres"
+
+		_dependsOn: "prod-secrets-namespaces": _
+		_dependsOn: "prod-iam-postgres-certs": _
+		apiObjectMap: OBJECTS.apiObjectMap
+	},
+]
+
+let OBJECTS = #APIObjects & {
+	apiObjects: {
+		ExternalSecret: "\(S3Secret)": _
+		PostgresCluster: db: #PostgresCluster & HighlyAvailable & {
+			metadata: name:      _DBName
+			metadata: namespace: #TargetNamespace
+			spec: {
+				image:           "registry.developers.crunchydata.com/crunchydata/crunchy-postgres:ubi8-16.2-0"
+				postgresVersion: 16
+				// Custom certs are necessary for streaming standby replication which we use to replicate between two regions.
+				// Refer to https://access.crunchydata.com/documentation/postgres-operator/latest/tutorials/backups-disaster-recovery/disaster-recovery#streaming-standby
+				customTLSSecret: name:            "\(_DBName)-primary-tls"
+				customReplicationTLSSecret: name: "\(_DBName)-repl-tls"
+				// Refer to https://access.crunchydata.com/documentation/postgres-operator/latest/references/crd/5.5.x/postgrescluster#postgresclusterspecusersindex
+				users: [
+					{name: ZitadelUser},
+					// NOTE: Users with SUPERUSER role cannot log in through pgbouncer.  Use options that allow zitadel admin to use pgbouncer.
+					// Refer to: https://github.com/CrunchyData/postgres-operator/issues/3095#issuecomment-1904712211
+					{name: ZitadelAdmin, options: "CREATEDB CREATEROLE", databases: [_DBName, "postgres"]},
+				]
+				users: [...{databases: [_DBName, ...]}]
+				instances: [{
+					replicas: 2
+					dataVolumeClaimSpec: {
+						accessModes: ["ReadWriteOnce"]
+						resources: requests: storage: "10Gi"
+					}
+				}]
+				standby: {
+					repoName: BucketRepoName
+					if Cluster.primary {
+						enabled: false
+					}
+					if !Cluster.primary {
+						enabled: true
+					}
+				}
+				// Restore from backup if and only if the cluster is primary
+				if Cluster.primary {
+					dataSource: pgbackrest: {
+						stanza:        "db"
+						configuration: backups.pgbackrest.configuration
+						// Restore from known good full backup taken
+						options: RestoreOptions
+						global: {
+							"\(BucketRepoName)-path":        "/pgbackrest/\(#TargetNamespace)/\(metadata.name)/\(BucketRepoName)"
+							"\(BucketRepoName)-cipher-type": "aes-256-cbc"
+						}
+						repo: {
+							name: BucketRepoName
+							s3:   backups.pgbackrest.repos[1].s3
+						}
+					}
+				}
+
+				// Refer to https://access.crunchydata.com/documentation/postgres-operator/latest/tutorials/backups-disaster-recovery/backups
+				backups: pgbackrest: {
+					configuration: [{secret: name: S3Secret}]
+					// Defines details for manual pgBackRest backup Jobs
+					manual: {
+						// Note: the repoName value must match the config keys in the S3Secret.
+						// This must be an external repository for backup / restore / regional failovers.
+						repoName: BucketRepoName
+						options: ["--type=full", ...]
+					}
+					// Defines details for performing an in-place restore using pgBackRest
+					restore: {
+						// Enables triggering a restore by annotating the postgrescluster with postgres-operator.crunchydata.com/pgbackrest-restore="$(date)"
+						enabled:  true
+						repoName: BucketRepoName
+					}
+					global: {
+						// Store only one full backup in the PV because it's more expensive than object storage.
+						"\(repos[0].name)-retention-full": "1"
+						// Store 14 days of full backups in the bucket.
+						"\(BucketRepoName)-retention-full":      string | *"14"
+						"\(BucketRepoName)-retention-full-type": "count" | *"time" // time in days
+						// Refer to https://access.crunchydata.com/documentation/postgres-operator/latest/tutorials/backups-disaster-recovery/backups#encryption
+						"\(BucketRepoName)-cipher-type": "aes-256-cbc"
+						// "The convention we recommend for setting this variable is /pgbackrest/$NAMESPACE/$CLUSTER_NAME/repoN"
+						// Ref: https://access.crunchydata.com/documentation/postgres-operator/latest/tutorials/backups-disaster-recovery/backups#understanding-backup-configuration-and-basic-operations
+						"\(BucketRepoName)-path": "/pgbackrest/\(#TargetNamespace)/\(metadata.name)/\(manual.repoName)"
+					}
+					repos: [
+						{
+							name: "repo1"
+							volume: volumeClaimSpec: {
+								accessModes: ["ReadWriteOnce"]
+								resources: requests: storage: string | *"4Gi"
+							}
+						},
+						{
+							name: BucketRepoName
+							// Full backup weekly on Sunday at 1am, differntial daily at 1am every day except Sunday.
+							schedules: full:         string | *"0 1 * * 0"
+							schedules: differential: string | *"0 1 * * 1-6"
+							s3: {
+								bucket:   string | *"\(#Platform.org.name)-zitadel-backups"
+								region:   string | *#Backups.s3.region
+								endpoint: string | *"s3.dualstack.\(region).amazonaws.com"
+							}
+						},
+					]
+				}
+			}
+		}
+	}
+}
+
+// Refer to https://github.com/holos-run/postgres-operator-examples/blob/main/kustomize/high-availability/ha-postgres.yaml
+let HighlyAvailable = {
+	apiVersion: "postgres-operator.crunchydata.com/v1beta1"
+	kind:       "PostgresCluster"
+	metadata: name: string
+	spec: {
+		image:           "registry.developers.crunchydata.com/crunchydata/crunchy-postgres:ubi8-16.2-0"
+		postgresVersion: 16
+		instances: [{
+			name:     "pgha1"
+			replicas: 2
+			dataVolumeClaimSpec: {
+				accessModes: ["ReadWriteOnce"]
+				resources: requests: storage: string | *"10Gi"
+			}
+			affinity: podAntiAffinity: preferredDuringSchedulingIgnoredDuringExecution: [{
+				weight: 1
+				podAffinityTerm: {
+					topologyKey: "kubernetes.io/hostname"
+					labelSelector: matchLabels: {
+						"postgres-operator.crunchydata.com/cluster":      metadata.name
+						"postgres-operator.crunchydata.com/instance-set": name
+					}
+				}
+			}]
+		}]
+		backups: pgbackrest: {
+			image: "registry.developers.crunchydata.com/crunchydata/crunchy-pgbackrest:ubi8-2.49-0"
+		}
+		proxy: pgBouncer: {
+			image:    "registry.developers.crunchydata.com/crunchydata/crunchy-pgbouncer:ubi8-1.21-3"
+			replicas: 2
+			affinity: podAntiAffinity: preferredDuringSchedulingIgnoredDuringExecution: [{
+				weight: 1
+				podAffinityTerm: {
+					topologyKey: "kubernetes.io/hostname"
+					labelSelector: matchLabels: {
+						"postgres-operator.crunchydata.com/cluster": metadata.name
+						"postgres-operator.crunchydata.com/role":    "pgbouncer"
+					}
+				}
+			}]
+		}
+	}
+}

docs/examples/platforms/reference/clusters/accounts/iam/zitadel/zitadel.cue

@@ -1,5 +1,6 @@
 package holos
 
+#InstancePrefix:  "prod-iam"
 #TargetNamespace: #InstancePrefix + "-zitadel"
 
 // _DBName is the database name used across multiple holos components in this project

docs/examples/platforms/reference/clusters/accounts/iam/zitadel/zitadel/values.holos.cue

@@ -9,12 +9,12 @@ package holos
 		{
 			name: "ZITADEL_DATABASE_POSTGRES_HOST"
 			valueFrom: secretKeyRef: name: "\(_DBName)-pguser-\(_DBName)"
-			valueFrom: secretKeyRef: key:  "host"
+			valueFrom: secretKeyRef: key:  "pgbouncer-host"
 		},
 		{
 			name: "ZITADEL_DATABASE_POSTGRES_PORT"
 			valueFrom: secretKeyRef: name: "\(_DBName)-pguser-\(_DBName)"
-			valueFrom: secretKeyRef: key:  "port"
+			valueFrom: secretKeyRef: key:  "pgbouncer-port"
 		},
 		{
 			name: "ZITADEL_DATABASE_POSTGRES_DATABASE"
@@ -35,26 +35,30 @@ package holos
 		// The postgres component configures privileged postgres user creds.
 		{
 			name: "ZITADEL_DATABASE_POSTGRES_ADMIN_USERNAME"
-			valueFrom: secretKeyRef: name: "\(_DBName)-pguser-postgres"
+			valueFrom: secretKeyRef: name: "\(_DBName)-pguser-\(_DBName)-admin"
 			valueFrom: secretKeyRef: key:  "user"
 		},
 		{
 			name: "ZITADEL_DATABASE_POSTGRES_ADMIN_PASSWORD"
-			valueFrom: secretKeyRef: name: "\(_DBName)-pguser-postgres"
+			valueFrom: secretKeyRef: name: "\(_DBName)-pguser-\(_DBName)-admin"
 			valueFrom: secretKeyRef: key:  "password"
 		},
-
+		// CA Cert issued by PGO which issued the pgbouncer tls cert
+		{
+			name:  "ZITADEL_DATABASE_POSTGRES_USER_SSL_ROOTCERT"
+			value: "/\(_PGBouncer)/ca.crt"
+		},
+		{
+			name:  "ZITADEL_DATABASE_POSTGRES_ADMIN_SSL_ROOTCERT"
+			value: "/\(_PGBouncer)/ca.crt"
+		},
 	]
 
 	// Refer to https://zitadel.com/docs/self-hosting/manage/database
 	zitadel: {
 		// Zitadel master key
 		masterkeySecretName: "zitadel-masterkey"
-		// Note the tls configuration is a challenge to use externally issued certs from the provsioner cluster.
-		// We intentionally use pgo managed certs and intend to backup the ca key to the provisioner and restore it for
-		// cross cluster replication.  The problems seemed to arise from specifying the user and admin tls secrets in
-		// addition to the ca cert secret.
-		dbSslCaCrtSecret: "\(_DBName)-cluster-cert"
+		// dbSslCaCrtSecret: "pgo-root-cacert"
 
 		// All settings: https://zitadel.com/docs/self-hosting/manage/configure#runtime-configuration-file
 		// Helm interface: https://github.com/zitadel/zitadel-charts/blob/zitadel-7.4.0/charts/zitadel/values.yaml#L20-L21

docs/examples/platforms/reference/clusters/accounts/iam/zitadel/zitadel/zitadel.cue

@@ -0,0 +1,173 @@
+package holos
+
+import "encoding/yaml"
+
+let Name = "zitadel"
+#InputKeys: component: Name
+
+spec: components: HelmChartList: [
+	#HelmChart & {
+		metadata: name: "\(#InstancePrefix)-zitadel"
+
+		_dependsOn: "prod-secrets-stores":         _
+		_dependsOn: "\(#InstancePrefix)-postgres": _
+
+		namespace:   #TargetNamespace
+		enableHooks: true
+		chart: {
+			name:    Name
+			version: "7.9.0"
+			repository: {
+				name: Name
+				url:  "https://charts.zitadel.com"
+			}
+		}
+		_values:      #Values
+		apiObjectMap: OBJECTS.apiObjectMap
+	},
+]
+
+let OBJECTS = #APIObjects & {
+	apiObjects: {
+		ExternalSecret: "zitadel-masterkey": _
+		VirtualService: "\(Name)": {
+			metadata: name:      Name
+			metadata: namespace: #TargetNamespace
+			spec: hosts: ["login.\(#Platform.org.domain)"]
+			spec: gateways: ["istio-ingress/default"]
+			spec: http: [{route: [{destination: host: Name}]}]
+		}
+	}
+}
+
+// TODO: Generalize this common pattern of injecting the istio sidecar into a Deployment
+let IstioInject = [{op: "add", path: "/spec/template/metadata/labels/sidecar.istio.io~1inject", value: "true"}]
+
+_PGBouncer: "pgbouncer"
+
+let DatabaseCACertPatch = [
+	{
+		op:   "add"
+		path: "/spec/template/spec/volumes/-"
+		value: {
+			name: _PGBouncer
+			secret: {
+				secretName: "\(_DBName)-pgbouncer"
+				items: [{key: "pgbouncer-frontend.ca-roots", path: "ca.crt"}]
+			}
+		}
+	},
+	{
+		op:   "add"
+		path: "/spec/template/spec/containers/0/volumeMounts/-"
+		value: {
+			name:      _PGBouncer
+			mountPath: "/" + _PGBouncer
+		}
+	},
+]
+
+let CAPatch = #Patch & {
+	target: {
+		group:   "apps" | "batch"
+		version: "v1"
+		kind:    "Job" | "Deployment"
+		name:    string
+	}
+	patch: yaml.Marshal(DatabaseCACertPatch)
+}
+
+#Kustomize: _patches: {
+	mesh: {
+		target: {
+			group:   "apps"
+			version: "v1"
+			kind:    "Deployment"
+			name:    Name
+		}
+		patch: yaml.Marshal(IstioInject)
+	}
+	deploymentCA: CAPatch & {
+		target: group: "apps"
+		target: kind:  "Deployment"
+		target: name:  Name
+	}
+	initJob: CAPatch & {
+		target: group: "batch"
+		target: kind:  "Job"
+		target: name:  "\(Name)-init"
+	}
+	setupJob: CAPatch & {
+		target: group: "batch"
+		target: kind:  "Job"
+		target: name:  "\(Name)-setup"
+	}
+	testDisable: {
+		target: {
+			version: "v1"
+			kind:    "Pod"
+			name:    "\(Name)-test-connection"
+		}
+		patch: yaml.Marshal(DisableFluxPatch)
+	}
+	if #IsPrimaryCluster == false {
+		fluxDisable: {
+			target: {
+				group:   "apps"
+				version: "v1"
+				kind:    "Deployment"
+				name:    Name
+			}
+			patch: yaml.Marshal(DisableFluxPatch)
+		}
+		initDisable: {
+			target: {
+				group:   "batch"
+				version: "v1"
+				kind:    "Job"
+				name:    "\(Name)-init"
+			}
+			patch: yaml.Marshal(DisableFluxPatch)
+		}
+		setupDisable: {
+			target: {
+				group:   "batch"
+				version: "v1"
+				kind:    "Job"
+				name:    "\(Name)-setup"
+			}
+			patch: yaml.Marshal(DisableFluxPatch)
+		}
+	}
+}
+
+let DisableFluxPatch = [{op: "replace", path: "/metadata/annotations/kustomize.toolkit.fluxcd.io~1reconcile", value: "disabled"}]
+
+// Upstream helm chart doesn't specify the namespace field for all resources.
+#Kustomization: spec: {
+	targetNamespace: #TargetNamespace
+	wait:            false
+}
+
+if #IsPrimaryCluster == true {
+	#Kustomization: spec: healthChecks: [
+		{
+			apiVersion: "apps/v1"
+			kind:       "Deployment"
+			name:       Name
+			namespace:  #TargetNamespace
+		},
+		{
+			apiVersion: "batch/v1"
+			kind:       "Job"
+			name:       "\(Name)-init"
+			namespace:  #TargetNamespace
+		},
+		{
+			apiVersion: "batch/v1"
+			kind:       "Job"
+			name:       "\(Name)-setup"
+			namespace:  #TargetNamespace
+		},
+	]
+}

docs/examples/platforms/reference/clusters/foundation/cloud/github/arc/arc.cue

@@ -4,6 +4,6 @@ package holos
 #InputKeys: project: "github"
 #DependsOn: Namespaces: name: "prod-secrets-namespaces"
 
-#TargetNamespace: #InputKeys.component
+#ARCSystemNamespace: "arc-system"
 #HelmChart: namespace: #TargetNamespace
 #HelmChart: chart: version: "0.8.3"

docs/examples/platforms/reference/clusters/foundation/cloud/github/arc/runner/arc-runner.cue

@@ -0,0 +1,51 @@
+package holos
+
+#TargetNamespace: "arc-runner"
+#InputKeys: component: "arc-runner"
+#Kustomization: spec: targetNamespace: #TargetNamespace
+
+let GitHubConfigSecret = "controller-manager"
+
+// Just sync the external secret, don't configure the scale set
+// Work around https://github.com/actions/actions-runner-controller/issues/3351
+if #IsPrimaryCluster == false {
+	spec: components: KubernetesObjectsList: [
+		#KubernetesObjects & {
+			metadata: name:                        "prod-github-arc-runner"
+			_dependsOn: "prod-secrets-namespaces": _
+
+			apiObjectMap: (#APIObjects & {
+				apiObjects: ExternalSecret: "\(GitHubConfigSecret)": _
+			}).apiObjectMap
+		},
+	]
+}
+
+// Put the scale set on the primary cluster.
+if #IsPrimaryCluster == true {
+	spec: components: HelmChartList: [
+		#HelmChart & {
+			_dependsOn: "prod-secrets-namespaces": _
+			metadata: name:                        "prod-github-arc-runner"
+			_values: {
+				#Values
+				controllerServiceAccount: name:      "gha-rs-controller"
+				controllerServiceAccount: namespace: "arc-system"
+				githubConfigSecret: GitHubConfigSecret
+				githubConfigUrl:    "https://github.com/" + #Platform.org.github.orgs.primary.name
+			}
+			apiObjectMap: (#APIObjects & {apiObjects: ExternalSecret: "\(_values.githubConfigSecret)": _}).apiObjectMap
+			chart: {
+				// Match the gha-base-name in the chart _helpers.tpl to avoid long full names.
+				// NOTE: Unfortunately the INSTALLATION_NAME is used as the helm release
+				// name and GitHub removed support for runner labels, so the only way to
+				// specify which runner a workflow runs on is using this helm release name.
+				// The quote is "Update the INSTALLATION_NAME value carefully. You will use
+				// the installation name as the value of runs-on in your workflows."  Refer to
+				// https://docs.github.com/en/actions/hosting-your-own-runners/managing-self-hosted-runners-with-actions-runner-controller/quickstart-for-actions-runner-controller
+				release: "gha-rs"
+				name:    "oci://ghcr.io/actions/actions-runner-controller-charts/gha-runner-scale-set"
+			}
+		},
+	]
+}

docs/examples/platforms/reference/clusters/foundation/cloud/github/arc/system/arc-system.cue

@@ -0,0 +1,20 @@
+package holos
+
+#TargetNamespace: #ARCSystemNamespace
+#InputKeys: component: "arc-system"
+
+spec: components: HelmChartList: [
+	#HelmChart & {
+		metadata: name: "prod-github-arc-system"
+
+		_dependsOn: "prod-secrets-namespaces": _
+		_values:   #Values & #DefaultSecurityContext
+		namespace: #TargetNamespace
+		chart: {
+			// Match the gha-base-name in the chart _helpers.tpl to avoid long full names.
+			release: "gha-rs-controller"
+			name:    "oci://ghcr.io/actions/actions-runner-controller-charts/gha-runner-scale-set-controller"
+			version: "0.8.3"
+		}
+	},
+]

docs/examples/platforms/reference/clusters/foundation/cloud/init/namespaces/component.cue

@@ -0,0 +1,24 @@
+package holos
+
+import "list"
+
+spec: components: KubernetesObjectsList: [
+	#KubernetesObjects & {
+		metadata: name: "prod-secrets-namespaces"
+		apiObjectMap: (#APIObjects & {
+			apiObjects: {
+				// #ManagedNamespaces is the set of all namespaces across all clusters in the platform.
+				for k, ns in #ManagedNamespaces {
+					if list.Contains(ns.clusterNames, #ClusterName) {
+						Namespace: "\(k)": #Namespace & ns.namespace
+					}
+				}
+
+				// #PlatformNamespaces is deprecated in favor of #ManagedNamespaces.
+				for ns in #PlatformNamespaces {
+					Namespace: "\(ns.name)": #Namespace & {metadata: ns}
+				}
+			}
+		}).apiObjectMap
+	},
+]

docs/examples/platforms/reference/clusters/foundation/cloud/mesh/istio-base/istiobase.cue

@@ -0,0 +1,19 @@
+package holos
+
+spec: components: HelmChartList: [
+	#HelmChart & {
+		_dependsOn: "prod-secrets-namespaces": _
+
+		metadata: name: "prod-mesh-istio-base"
+		namespace: "istio-system"
+		chart: {
+			name:    "base"
+			version: "1.20.3"
+			repository: {
+				name: "istio"
+				url:  "https://istio-release.storage.googleapis.com/charts"
+			}
+		}
+		_values: #IstioValues
+	},
+]

docs/examples/platforms/reference/clusters/foundation/cloud/mesh/istio/cni/cni.cue

@@ -0,0 +1,13 @@
+package holos
+
+spec: components: HelmChartList: [
+	#HelmChart & {
+		_dependsOn: "prod-secrets-namespaces": _
+		_dependsOn: "prod-mesh-istio-base":    _
+
+		_values: #IstioValues
+		metadata: name: "\(#InstancePrefix)-\(chart.name)"
+		namespace: "kube-system"
+		chart: name: "cni"
+	},
+]

docs/examples/platforms/reference/clusters/foundation/cloud/mesh/istio/gateway/gateway.cue

@@ -1,17 +1,26 @@
 package holos
 
+import "list"
+
 // The primary istio Gateway, named default
-
 let Name = "gateway"
-
 #InputKeys: component: Name
-
 #TargetNamespace: "istio-ingress"
-#DependsOn:       _IngressGateway
 
 let LoginCert = #PlatformCerts.login
 
-#KubernetesObjects & {
+spec: components: KubernetesObjectsList: [
+	#KubernetesObjects & {
+		_dependsOn: "prod-secrets-namespaces": _
+		_dependsOn: "prod-mesh-istio-base":    _
+		_dependsOn: "prod-mesh-ingress":       _
+
+		metadata: name: "\(#InstancePrefix)-\(Name)"
+		apiObjectMap: OBJECTS.apiObjectMap
+	},
+]
+
+let OBJECTS = #APIObjects & {
 	apiObjects: {
 		ExternalSecret: login: #ExternalSecret & {
 			_name: "login"
@@ -31,5 +40,19 @@ let LoginCert = #PlatformCerts.login
 				},
 			]
 		}
+
+		for k, svc in #OptionalServices {
+			if svc.enabled && list.Contains(svc.clusterNames, #ClusterName) {
+				Gateway: "\(svc.name)": #Gateway & {
+					metadata: name:      svc.name
+					metadata: namespace: #TargetNamespace
+					spec: selector: istio: "ingressgateway"
+					spec: servers: [for s in svc.servers {s}]
+				}
+				for k, s in svc.servers {
+					ExternalSecret: "\(s.tls.credentialName)": _
+				}
+			}
+		}
 	}
 }

docs/examples/platforms/reference/clusters/foundation/cloud/mesh/istio/httpbin/httpbin.cue

@@ -1,8 +1,13 @@
 package holos
 
 let Name = "httpbin"
+let ComponentName = "\(#InstancePrefix)-\(Name)"
+
 let SecretName = #InputKeys.cluster + "-" + Name
-let MatchLabels = {app: Name} & #SelectorLabels
+let MatchLabels = {
+	app:                          Name
+	"app.kubernetes.io/instance": ComponentName
+}
 let Metadata = {
 	name:      Name
 	namespace: #TargetNamespace
@@ -12,21 +17,29 @@ let Metadata = {
 #InputKeys: component: Name
 
 #TargetNamespace: "istio-ingress"
-#DependsOn:       _IngressGateway
 
 let Cert = #PlatformCerts[SecretName]
 
-#KubernetesObjects & {
+spec: components: KubernetesObjectsList: [
+	#KubernetesObjects & {
+		_dependsOn: "prod-secrets-namespaces":       _
+		_dependsOn: "\(#InstancePrefix)-istio-base": _
+		_dependsOn: "\(#InstancePrefix)-ingress":    _
+
+		metadata: name: ComponentName
+
+		apiObjectMap: OBJECTS.apiObjectMap
+	},
+]
+
+let OBJECTS = #APIObjects & {
 	apiObjects: {
-		ExternalSecret: httpbin: #ExternalSecret & {
-			_name: Cert.spec.secretName
-		}
+		ExternalSecret: "\(Cert.spec.secretName)": _
 		Deployment: httpbin: #Deployment & {
 			metadata: Metadata
 			spec: selector: matchLabels: MatchLabels
 			spec: template: {
 				metadata: labels: MatchLabels
-				metadata: labels: #CommonLabels
 				metadata: labels: #IstioSidecar
 				spec: securityContext: seccompProfile: type: "RuntimeDefault"
 				spec: containers: [{
@@ -56,7 +69,7 @@ let Cert = #PlatformCerts[SecretName]
 			spec: servers: [
 				{
 					hosts: [for host in Cert.spec.dnsNames {"\(#TargetNamespace)/\(host)"}]
-					port: name:          "https-\(#InstanceName)"
+					port: name:          "https-\(ComponentName)"
 					port: number:        443
 					port: protocol:      "HTTPS"
 					tls: credentialName: Cert.spec.secretName

docs/examples/platforms/reference/clusters/foundation/cloud/mesh/istio/ingress/ingress.cue

@@ -0,0 +1,160 @@
+package holos
+
+import "encoding/json"
+
+let ComponentName = "\(#InstancePrefix)-ingress"
+
+#TargetNamespace: "istio-ingress"
+
+spec: components: HelmChartList: [
+	#HelmChart & {
+		_dependsOn: "prod-secrets-namespaces":       _
+		_dependsOn: "\(#InstancePrefix)-istio-base": _
+		_dependsOn: "\(#InstancePrefix)-istiod":     _
+
+		metadata: name: ComponentName
+
+		chart: name: "gateway"
+		namespace: #TargetNamespace
+		_values: #GatewayValues & {
+			// This component expects the load balancer to send the PROXY protocol header.
+			// Refer to: https://kubernetes-sigs.github.io/aws-load-balancer-controller/v2.2/guide/service/annotations/#proxy-protocol-v2
+			podAnnotations: "proxy.istio.io/config": json.Marshal(_ProxyProtocol)
+			// TODO This configuration is specific to the OIS Metal NLB, refactor it out to the metal collection.
+			service: {
+				type: "NodePort"
+				annotations: "service.beta.kubernetes.io/aws-load-balancer-proxy-protocol": "*"
+				externalTrafficPolicy: "Local"
+				// Add 30000 to the port to get the Nodeport
+				ports: [
+					{
+						name:       "status-port"
+						port:       15021
+						protocol:   "TCP"
+						targetPort: 15021
+						nodePort:   30021
+					},
+					{
+						name:       "http2"
+						port:       80
+						protocol:   "TCP"
+						targetPort: 80
+						nodePort:   30080
+					},
+					{
+						name:       "https"
+						port:       443
+						protocol:   "TCP"
+						targetPort: 443
+						nodePort:   30443
+					},
+				]
+			}
+		}
+		apiObjectMap: OBJECTS.apiObjectMap
+	},
+]
+
+_ProxyProtocol: gatewayTopology: proxyProtocol: {}
+
+// Additional holos specific API Objects
+let Name = #GatewayValues.name
+let GatewayLabels = {
+	app:   Name
+	istio: "ingressgateway"
+}
+let RedirectMetaName = {
+	name:      Name + "-https-redirect"
+	namespace: #TargetNamespace
+}
+
+let OBJECTS = #APIObjects & {
+	apiObjects: {
+		Gateway: {
+			"\(RedirectMetaName.name)": #Gateway & {
+				metadata: RedirectMetaName
+				spec: selector: GatewayLabels
+				spec: servers: [{
+					port: {
+						number:   80
+						name:     "http2"
+						protocol: "HTTP2"
+					}
+					hosts: ["*"]
+					// handled by the VirtualService
+					tls: httpsRedirect: false
+				}]
+			}
+		}
+		VirtualService: {
+			"\(RedirectMetaName.name)": #VirtualService & {
+				metadata: RedirectMetaName
+				spec: hosts: ["*"]
+				spec: gateways: [RedirectMetaName.name]
+				spec: http: [{
+					match: [{withoutHeaders: ":path": prefix: "/.well-known/acme-challenge/"}]
+					redirect: {
+						scheme:       "https"
+						redirectCode: 302
+					}
+				}]
+			}
+		}
+		Deployment: {
+			loopback: #Deployment & {
+				_description: LoopbackDescription
+				metadata:     LoopbackMetaName
+				spec: {
+					selector: matchLabels: LoopbackLabels
+					template: {
+						metadata: {
+							annotations: "inject.istio.io/templates": "gateway"
+							annotations: #Description & {
+								_Description: LoopbackDescription
+							}
+							labels: LoopbackLabels & {"sidecar.istio.io/inject": "true"}
+						}
+						spec: {
+							serviceAccountName: "istio-ingressgateway"
+							// Allow binding to all ports (such as 80 and 443)
+							securityContext: {
+								runAsNonRoot: true
+								seccompProfile: type: "RuntimeDefault"
+								sysctls: [{name: "net.ipv4.ip_unprivileged_port_start", value: "0"}]
+							}
+							containers: [{
+								name:  "istio-proxy"
+								image: "auto" // Managed by istiod
+								securityContext: {
+									allowPrivilegeEscalation: false
+									capabilities: drop: ["ALL"]
+									runAsUser:  1337
+									runAsGroup: 1337
+								}
+							}]
+						}
+					}
+				}
+			}
+		}
+		Service: {
+			loopback: #Service & {
+				_description: LoopbackDescription
+				metadata:     LoopbackMetaName
+				spec: selector:      LoopbackLabels
+				spec: ports: [{port: 80, name: "http"}, {port: 443, name: "https"}]
+			}
+		}
+	}
+}
+
+let LoopbackName = Name + "-loopback"
+let LoopbackDescription = "Allows in-cluster traffic to stay in cluster via traffic routing"
+let LoopbackLabels = {
+	app:   LoopbackName
+	istio: "ingressgateway"
+}
+let LoopbackMetaName = {
+	name:      LoopbackName
+	namespace: #TargetNamespace
+}

docs/examples/platforms/reference/clusters/foundation/cloud/mesh/istio/istio.cue

@@ -1,7 +1,5 @@
 package holos
 
-#DependsOn: _IstioBase
-
 #HelmChart: {
 	chart: {
 		version: "1.20.3"

docs/examples/platforms/reference/clusters/foundation/cloud/mesh/istio/istiod/istiod.cue

@@ -0,0 +1,40 @@
+package holos
+
+import "encoding/yaml"
+
+#InputKeys: component: "istiod"
+#TargetNamespace: "istio-system"
+
+spec: components: HelmChartList: [
+	#HelmChart & {
+		_dependsOn: "prod-secrets-namespaces":       _
+		_dependsOn: "\(#InstancePrefix)-istio-base": _
+
+		metadata: name: "prod-mesh-istiod"
+		chart: name:    "istiod"
+		namespace: #TargetNamespace
+		_values: #IstioValues & {
+			pilot: {
+				// The istio meshconfig ConfigMap is handled in the holos component instead of
+				// the upstream chart so extension providers can be collected from holos data.
+				configMap: false
+				// Set to `type: RuntimeDefault` to use the default profile if available.
+				seccompProfile: type: "RuntimeDefault"
+			}
+		}
+		apiObjectMap: OBJECTS.apiObjectMap
+	},
+]
+
+let OBJECTS = #APIObjects & {apiObjects: ConfigMap: istio: #IstioConfigMap}
+
+#IstioConfigMap: #ConfigMap & {
+	metadata: {
+		name:      "istio"
+		namespace: #TargetNamespace
+	}
+	data: {
+		mesh:         yaml.Marshal(_MeshConfig)
+		meshNetworks: "networks: {}"
+	}
+}

docs/examples/platforms/reference/clusters/foundation/cloud/mesh/mesh.cue

@@ -0,0 +1,3 @@
+package holos
+
+#InstancePrefix: "prod-mesh"

docs/examples/platforms/reference/clusters/foundation/cloud/pgo/controller/controller.cue

@@ -0,0 +1,10 @@
+package holos
+
+spec: components: KustomizeBuildList: [
+	#KustomizeBuild & {
+		_dependsOn: "prod-secrets-namespaces": _
+		_dependsOn: "prod-pgo-crds":           _
+
+		metadata: name: "prod-pgo-controller"
+	},
+]

docs/examples/platforms/reference/clusters/foundation/cloud/pgo/crds/pgocrds.cue

@@ -1,6 +1,8 @@
 package holos
 
 // Refer to https://github.com/CrunchyData/postgres-operator-examples/tree/main/kustomize/install/crd
-
-#InputKeys: component: "crds"
-{} & #KustomizeBuild
+spec: components: KustomizeBuildList: [
+	#KustomizeBuild & {
+		metadata: name: "prod-pgo-crds"
+	},
+]

docs/examples/platforms/reference/clusters/foundation/cloud/secrets/eso-creds-refresher/component.cue

@@ -2,8 +2,6 @@ package holos
 
 import "encoding/json"
 
-#DependsOn: _ESO
-
 #InputKeys: {
 	project:   "secrets"
 	component: "eso-creds-refresher"
@@ -11,8 +9,17 @@ import "encoding/json"
 
 #TargetNamespace: #CredsRefresher.namespace
 
-// output kubernetes api objects for holos
-#KubernetesObjects & {
+spec: components: KubernetesObjectsList: [
+	#KubernetesObjects & {
+		_dependsOn: "prod-secrets-namespaces": _
+		_dependsOn: "prod-secrets-eso":        _
+
+		metadata: name: "prod-secrets-eso-creds-refresher"
+		apiObjectMap: OBJECTS.apiObjectMap
+	},
+]
+
+let OBJECTS = #APIObjects & {
 	apiObjects: {
 		for obj in #CredsRefresherService.objects {
 			let Kind = obj.kind
@@ -93,7 +100,14 @@ provisioner get serviceaccount -A --selector=holos.run/job.name=\(NAME) --output
 
 # Create the tokens
 mkdir tokens
-jq -r '.items[].metadata | "provisioner -n \\(.namespace) create token --duration=12h \\(.name) > tokens/\\(.namespace).\\(.name).jwt"' serviceaccounts.json | bash -x
+
+kubectl get namespaces -o name > namespaces.txt
+
+# Iterate over local namespaces
+while IFS= read -r NAMESPACE; do
+  echo "Getting token for local cluster $NAMESPACE" >&2
+  jq -r '.items[] | select("namespace/"+.metadata.namespace == "'${NAMESPACE}'") | .metadata | "provisioner -n \\(.namespace) create token --duration=12h \\(.name) > tokens/\\(.namespace).\\(.name).jwt"' serviceaccounts.json | bash -x
+done < namespaces.txt
 
 # Create the secrets
 mksecret tokens/*.jwt
@@ -124,6 +138,11 @@ kubectl apply --server-side=true -f secrets.yaml
 					resources: ["secrets"]
 					verbs: ["*"]
 				},
+				{
+					apiGroups: [""]
+					resources: ["namespaces"]
+					verbs: ["list"]
+				},
 			]
 		},
 		// Bind the Role to the ServiceAccount for the Job.

docs/examples/platforms/reference/clusters/foundation/cloud/secrets/eso/eso.cue

@@ -0,0 +1,24 @@
+package holos
+
+// Manages the External Secrets Operator from the official upstream Helm chart.
+
+#TargetNamespace: "external-secrets"
+#Kustomization: spec: targetNamespace: #TargetNamespace
+
+spec: components: HelmChartList: [
+	#HelmChart & {
+		_dependsOn: "prod-secrets-namespaces": _
+
+		metadata: name: "prod-secrets-eso"
+		namespace: #TargetNamespace
+		chart: {
+			name:    "external-secrets"
+			version: "0.9.12"
+			repository: {
+				name: "external-secrets"
+				url:  "https://charts.external-secrets.io"
+			}
+		}
+		_values: installCrds: true
+	},
+]

docs/examples/platforms/reference/clusters/foundation/cloud/secrets/secrets.cue

@@ -0,0 +1,4 @@
+package holos
+
+// Components under this directory are part of this collection
+#InputKeys: project: "secrets"

docs/examples/platforms/reference/clusters/foundation/cloud/secrets/secretstores/secretstores.cue

@@ -1,12 +1,37 @@
 package holos
 
-#DependsOn: _ESOCreds
+import "list"
 
 #TargetNamespace: "default"
 
-#InputKeys: {
-	project:   "secrets"
-	component: "stores"
+spec: components: KubernetesObjectsList: [
+	#KubernetesObjects & {
+		_dependsOn: "prod-secrets-namespaces":          _
+		_dependsOn: "prod-secrets-eso-creds-refresher": _
+
+		metadata: name: "prod-secrets-stores"
+		apiObjectMap: OBJECTS.apiObjectMap
+	},
+]
+
+let OBJECTS = #APIObjects & {
+	apiObjects: {
+		for ns in #PlatformNamespaces {
+			for obj in (#PlatformNamespaceObjects & {_ns: ns}).objects {
+				let Kind = obj.kind
+				let NS = ns.name
+				let Name = obj.metadata.name
+				"\(Kind)": "\(NS)/\(Name)": obj
+			}
+		}
+
+		for nsName, ns in #ManagedNamespaces {
+			if list.Contains(ns.clusterNames, #ClusterName) {
+				let obj = #SecretStore & {_namespace: nsName}
+				SecretStore: "\(nsName)/\(obj.metadata.name)": obj
+			}
+		}
+	}
 }
 
 // #PlatformNamespaceObjects defines the api objects necessary for eso SecretStores in external clusters to access secrets in a given namespace in the provisioner cluster.
@@ -19,16 +44,3 @@ package holos
 		},
 	]
 }
-
-#KubernetesObjects & {
-	apiObjects: {
-		for ns in #PlatformNamespaces {
-			for obj in (#PlatformNamespaceObjects & {_ns: ns}).objects {
-				let Kind = obj.kind
-				let NS = ns.name
-				let Name = obj.metadata.name
-				"\(Kind)": "\(NS)/\(Name)": obj
-			}
-		}
-	}
-}

docs/examples/platforms/reference/clusters/foundation/cloud/secrets/validate/component.cue

@@ -0,0 +1,22 @@
+package holos
+
+// Validate ESO by syncing a secret with a SecretStore.
+
+#TargetNamespace: "holos-system"
+
+spec: components: KubernetesObjectsList: [
+	#KubernetesObjects & {
+		_dependsOn: "prod-secrets-stores": _
+
+		metadata: name: "prod-secrets-validate"
+		apiObjectMap: OBJECTS.apiObjectMap
+	},
+]
+
+let OBJECTS = #APIObjects & {
+	apiObjects: {
+		ExternalSecret: validate: #ExternalSecret & {
+			_name: "validate"
+		}
+	}
+}

docs/examples/platforms/reference/clusters/foundation/metal/ceph/ceph.cue

@@ -0,0 +1,35 @@
+package holos
+
+// Manage Ceph CSI to provide PersistentVolumeClaims to a cluster.
+
+#TargetNamespace: "ceph-system"
+
+#SecretName: "\(#ClusterName)-ceph-csi-rbd"
+
+#Kustomization: spec: targetNamespace: "ceph-system"
+
+spec: components: HelmChartList: [
+	#HelmChart & {
+		_dependsOn: "prod-secrets-namespaces": _
+
+		metadata: name: "prod-metal-ceph"
+
+		namespace: #TargetNamespace
+		chart: {
+			name:    "ceph-csi-rbd"
+			version: "3.10.2"
+			repository: {
+				name: "ceph-csi"
+				url:  "https://ceph.github.io/csi-charts"
+			}
+		}
+		_values:      #ChartValues
+		apiObjectMap: OBJECTS.apiObjectMap
+	},
+]
+
+let OBJECTS = #APIObjects & {
+	apiObjects: {
+		ExternalSecret: "\(#SecretName)": _
+	}
+}