Allow inline environments to be pruned

cmd/tk/workflow.go

@@ -60,6 +60,7 @@ func pruneCmd() *cli.Command {
 	var opts tanka.PruneOpts
 	cmd.Flags().BoolVar(&opts.Force, "force", false, "force deleting (kubectl delete --force)")
 	cmd.Flags().BoolVar(&opts.AutoApprove, "dangerous-auto-approve", false, "skip interactive approval. Only for automation!")
+	cmd.Flags().StringVar(&opts.Name, "name", "", "Selects an environment from inline environments")
 	getJsonnetOpts := jsonnetFlags(cmd.Flags())
 
 	cmd.Run = func(cmd *cli.Command, args []string) error {

pkg/spec/v1alpha1/environment.go

@@ -1,6 +1,10 @@
 package v1alpha1
 
-import "strings"
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"fmt"
+)
 
 // New creates a new Environment object with internal values already set
 func New() *Environment {
@@ -46,7 +50,9 @@ func (m Metadata) Get(label string) (value string) {
 }
 
 func (m Metadata) NameLabel() string {
-	return strings.Replace(m.Name, "/", ".", -1)
+	partsHash := sha256.Sum256([]byte(fmt.Sprintf("%s:%s", m.Name, m.Namespace)))
+	chars := []rune(hex.EncodeToString(partsHash[:]))
+	return string(chars[:48])
 }
 
 // Spec defines Kubernetes properties

pkg/tanka/load_test.go

@@ -149,3 +149,8 @@ func TestLoad(t *testing.T) {
 		})
 	}
 }
+
+func TestLoadFailsWhenDuplicateEnv(t *testing.T) {
+	_, err := Load("./testdata/cases/withduplicateenv", Opts{Name: "withenv"})
+	assert.NotNil(t, err)
+}

pkg/tanka/testdata/cases/withduplicateenv/main.jsonnet

@@ -0,0 +1,34 @@
+{
+  env1: {
+    apiVersion: 'tanka.dev/v1alpha1',
+    kind: 'Environment',
+    metadata: {
+      name: 'withenv',
+    },
+    spec: {
+      apiServer: 'https://localhost',
+      namespace: 'withenv',
+    },
+    data: {
+      apiVersion: 'v1',
+      kind: 'ConfigMap',
+      metadata: { name: 'config' },
+    },
+  },
+  env2: {
+    apiVersion: 'tanka.dev/v1alpha1',
+    kind: 'Environment',
+    metadata: {
+      name: 'withenv',
+    },
+    spec: {
+      apiServer: 'https://localhost',
+      namespace: 'withenv',
+    },
+    data: {
+      apiVersion: 'v1',
+      kind: 'ConfigMap',
+      metadata: { name: 'config' },
+    },
+  },
+}