Labels and annotation support for functions and environments (#2113)

1. Support for adding labels and annotations to functions & environment via fission CLI through create & update command.
2. Change ensures labels and annotations assigned to the environment would reflect on pods created via executor type pool manager and new deploy.

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

pkg/fission-cli/cmd/function/command.go

@@ -36,7 +36,7 @@ func Commands() *cobra.Command {
 			flag.FnExecutorType, flag.FnCfgMap, flag.FnSecret,
 			flag.FnSpecializationTimeout, flag.FnExecutionTimeout,
 			flag.FnIdleTimeout, flag.FnConcurrency, flag.FnRequestsPerPod,
-			flag.FnOnceOnly,
+			flag.FnOnceOnly, flag.Labels, flag.Annotation,
 
 			// TODO retired pkg & trigger related flags from function cmd
 			flag.PkgCode, flag.PkgSrcArchive, flag.PkgDeployArchive,
@@ -88,7 +88,7 @@ func Commands() *cobra.Command {
 			flag.FnExecutorType, flag.FnSecret, flag.FnCfgMap,
 			flag.FnSpecializationTimeout, flag.FnExecutionTimeout,
 			flag.FnIdleTimeout, flag.FnConcurrency, flag.FnRequestsPerPod,
-			flag.FnOnceOnly,
+			flag.FnOnceOnly, flag.Labels, flag.Annotation,
 
 			flag.PkgCode, flag.PkgSrcArchive, flag.PkgDeployArchive,
 			flag.PkgSrcChecksum, flag.PkgDeployChecksum, flag.PkgInsecure,

pkg/fission-cli/cmd/function/create.go

@@ -309,6 +309,11 @@ func (opts *CreateSubCommand) complete(input cli.Input) error {
 		},
 	}
 
+	err = util.ApplyLabelsAndAnnotations(input, &opts.function.ObjectMeta)
+	if err != nil {
+		return err
+	}
+
 	return nil
 }
 

pkg/fission-cli/cmd/function/update.go

@@ -243,6 +243,11 @@ func (opts *UpdateSubCommand) complete(input cli.Input) error {
 
 	opts.function = function
 
+	err = util.ApplyLabelsAndAnnotations(input, &opts.function.ObjectMeta)
+	if err != nil {
+		return err
+	}
+
 	return nil
 }