feat: add devspace vars as environment variables

Author: FabianKramm

e2e/tests/hooks/hooks.go

@@ -219,6 +219,9 @@ var _ = DevSpaceDescribe("hooks", func() {
 		})
 		framework.ExpectNoError(err)
 
+		// check namespace hook
+		framework.ExpectLocalFileContentsImmediately("namespace.txt", ns)
+
 		// stop second command
 		cancel2()
 

e2e/tests/hooks/testdata/once/devspace.yaml

@@ -12,6 +12,9 @@ deployments:
             command: ["sleep"]
             args: ["999999999999"]
 hooks:
+  - command: |
+      echo -n $DEVSPACE_NAMESPACE > namespace.txt
+    events: ["after:deploy"]
   - command: |
       mkdir -p /app
       echo -n $RANDOM > /app/once.out

pkg/devspace/hook/local_command.go

@@ -4,11 +4,13 @@ import (
 	"bytes"
 	"context"
 	"encoding/json"
+	"fmt"
 	runtimevar "github.com/loft-sh/devspace/pkg/devspace/config/loader/variable/runtime"
 	devspacecontext "github.com/loft-sh/devspace/pkg/devspace/context"
 	"github.com/loft-sh/devspace/pkg/devspace/pipeline/engine"
 	"io"
 	"os"
+	"regexp"
 	"strings"
 
 	"github.com/loft-sh/devspace/pkg/devspace/config"
@@ -30,6 +32,8 @@ type localCommandHook struct {
 	Stderr io.Writer
 }
 
+var EnvironmentVariableRegEx = regexp.MustCompile(`^[A-Za-z0-9_]+$`)
+
 func (l *localCommandHook) Execute(ctx devspacecontext.Context, hook *latest.HookConfig, cmdExtraEnv map[string]string) error {
 	// Create extra env variables
 	osArgsBytes, err := json.Marshal(os.Args)
@@ -46,6 +50,13 @@ func (l *localCommandHook) Execute(ctx devspacecontext.Context, hook *latest.Hoo
 	for k, v := range cmdExtraEnv {
 		extraEnv[k] = v
 	}
+	for k, v := range ctx.Config().Variables() {
+		if !EnvironmentVariableRegEx.MatchString(k) {
+			continue
+		}
+
+		extraEnv[k] = fmt.Sprintf("%v", v)
+	}
 
 	// resolve hook command and args
 	hookCommand, hookArgs, err := ResolveCommand(ctx.Context(), hook.Command, hook.Args, ctx.WorkingDir(), ctx.Config(), ctx.Dependencies())