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https://github.com/holos-run/holos.git
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5e582ec5c6
Without this patch the `holos generate platform` command automatically makes an rpc call to holos server. This creates friction for the quickstart guide because we don't need to require users to register and have an organization and platform already created in the server just to generate a simple platform to exercise a simple helm chart component. A future patch should implement the behavior of linking a server side platform to a local git repository by making the API call to get the platform ID then updating the platform.metadata.json file.
97 lines
2.7 KiB
Go
97 lines
2.7 KiB
Go
package generate
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import (
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"bytes"
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"context"
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"embed"
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"fmt"
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"io/fs"
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"os"
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"path/filepath"
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"github.com/holos-run/holos/internal/client"
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"github.com/holos-run/holos/internal/errors"
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"github.com/holos-run/holos/internal/logger"
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platform "github.com/holos-run/holos/service/gen/holos/platform/v1alpha1"
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"google.golang.org/protobuf/encoding/protojson"
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)
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//go:embed all:platforms
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var platforms embed.FS
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// platformsRoot is the root path to copy platform cue code from.
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const platformsRoot = "platforms"
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// Platforms returns a slice of embedded platforms or nil if there are none.
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func Platforms() []string {
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entries, err := fs.ReadDir(platforms, platformsRoot)
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if err != nil {
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return nil
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}
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dirs := make([]string, 0, len(entries))
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for _, entry := range entries {
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if entry.IsDir() && entry.Name() != "cue.mod" {
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dirs = append(dirs, entry.Name())
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}
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}
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return dirs
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}
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func initPlatformMetadata(ctx context.Context, name string) error {
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log := logger.FromContext(ctx)
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rpcPlatform := &platform.Platform{Name: name}
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// Write the platform data.
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encoder := protojson.MarshalOptions{Indent: " "}
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data, err := encoder.Marshal(rpcPlatform)
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if err != nil {
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return errors.Wrap(err)
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}
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if len(data) > 0 {
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data = append(data, '\n')
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}
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if err := os.WriteFile(client.PlatformMetadataFile, data, 0644); err != nil {
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return errors.Wrap(fmt.Errorf("could not write platform metadata: %w", err))
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}
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log.DebugContext(ctx, "wrote "+client.PlatformMetadataFile, "path", filepath.Join(getCwd(ctx), client.PlatformMetadataFile))
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return nil
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}
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// GeneratePlatform writes the cue code for a platform to the local working
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// directory.
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func GeneratePlatform(ctx context.Context, name string) error {
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log := logger.FromContext(ctx)
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// Check for a valid platform
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platformPath := filepath.Join(platformsRoot, name)
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if !dirExists(platforms, platformPath) {
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return errors.Wrap(fmt.Errorf("cannot generate: have: [%s] want: %+v", name, Platforms()))
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}
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if _, err := os.Stat(client.PlatformMetadataFile); err == nil {
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log.DebugContext(ctx, fmt.Sprintf("skipped write %s: already exists", client.PlatformConfigFile))
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} else {
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if os.IsNotExist(err) {
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if err := initPlatformMetadata(ctx, name); err != nil {
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return errors.Wrap(err)
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}
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} else {
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return errors.Wrap(err)
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}
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}
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// Copy the cue.mod directory
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if err := copyEmbedFS(ctx, platforms, filepath.Join(platformsRoot, "cue.mod"), "cue.mod", bytes.NewBuffer); err != nil {
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return errors.Wrap(err)
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}
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// Copy the named platform
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if err := copyEmbedFS(ctx, platforms, platformPath, ".", bytes.NewBuffer); err != nil {
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return errors.Wrap(err)
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}
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log.DebugContext(ctx, "generated platform "+name, "path", getCwd(ctx))
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return nil
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}
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