test: cloud config

Check cluster config params.

Dockerfile

@@ -18,7 +18,9 @@ RUN make build-all-archs
 ########################################
 
 FROM --platform=${TARGETARCH} scratch AS release
-LABEL org.opencontainers.image.source https://github.com/sergelogvinov/proxmox-cloud-controller-manager
+LABEL org.opencontainers.image.source https://github.com/sergelogvinov/proxmox-cloud-controller-manager \
+      org.opencontainers.image.licenses = "Apache-2.0" \
+      org.opencontainers.image.description = "Proxmox VE CCM for Kubernetes"
 
 COPY --from=gcr.io/distroless/static-debian11:nonroot . .
 ARG TARGETARCH

pkg/cluster/cloud_config.go

@@ -21,6 +21,7 @@ import (
 	"io"
 	"os"
 	"path/filepath"
+	"strings"
 
 	yaml "gopkg.in/yaml.v3"
 )
@@ -46,6 +47,24 @@ func ReadCloudConfig(config io.Reader) (ClustersConfig, error) {
 		}
 	}
 
+	for idx, c := range cfg.Clusters {
+		if c.TokenID == "" {
+			return ClustersConfig{}, fmt.Errorf("cluster #%d: token_id is required", idx+1)
+		}
+
+		if c.TokenSecret == "" {
+			return ClustersConfig{}, fmt.Errorf("cluster #%d: token_secret is required", idx+1)
+		}
+
+		if c.Region == "" {
+			return ClustersConfig{}, fmt.Errorf("cluster #%d: region is required", idx+1)
+		}
+
+		if c.URL == "" || !strings.HasPrefix(c.URL, "http") {
+			return ClustersConfig{}, fmt.Errorf("cluster #%d: url is required", idx+1)
+		}
+	}
+
 	return cfg, nil
 }
 

pkg/cluster/cloud_config_test.go

@@ -46,6 +46,16 @@ clusters:
 	assert.NotNil(t, err)
 	assert.NotNil(t, cfg)
 
+	// Non full config
+	cfg, err = cluster.ReadCloudConfig(strings.NewReader(`
+clusters:
+- url: abcd
+  region: cluster-1
+`))
+
+	assert.NotNil(t, err)
+	assert.NotNil(t, cfg)
+
 	// Valid config with one cluster
 	cfg, err = cluster.ReadCloudConfig(strings.NewReader(`
 clusters: