[AIR-203] add airshipctl config init subcommand

This commit is only base for future implementation

Change-Id: I3cfb3508de04d0a717245a75b5b197fda68fd01c

cmd/config/config.go

@@ -19,6 +19,7 @@ like "airshipctl config set-current-context my-context" `),
 	configRootCmd.AddCommand(NewCmdConfigGetCluster(rootSettings))
 	configRootCmd.AddCommand(NewCmdConfigSetContext(rootSettings))
 	configRootCmd.AddCommand(NewCmdConfigGetContext(rootSettings))
+	configRootCmd.AddCommand(NewCmdConfigInit(rootSettings))
 
 	return configRootCmd
 }

cmd/config/init.go

@@ -0,0 +1,41 @@
+/*l
+Copyright 2014 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package config
+
+import (
+	"github.com/spf13/cobra"
+
+	"opendev.org/airship/airshipctl/pkg/environment"
+	"opendev.org/airship/airshipctl/pkg/errors"
+)
+
+var (
+	configInitLong = (`Generate initial configuration files for airshipctl`)
+)
+
+// NewCmdConfigInit returns a Command instance for 'config init' sub command
+func NewCmdConfigInit(rootSettings *environment.AirshipCTLSettings) *cobra.Command {
+	configInitCmd := &cobra.Command{
+		Use:   "init",
+		Short: configInitLong,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return errors.ErrNotImplemented{}
+		},
+	}
+
+	return configInitCmd
+}

cmd/config/init_test.go

@@ -0,0 +1,39 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package config
+
+import (
+	"testing"
+
+	"opendev.org/airship/airshipctl/pkg/errors"
+	"opendev.org/airship/airshipctl/testutil"
+)
+
+func TestConfigInit(t *testing.T) {
+	cmdTests := []*testutil.CmdTest{
+		{
+			Name:    "config-init",
+			CmdLine: "",
+			Cmd:     NewCmdConfigInit(nil),
+			Error:   errors.ErrNotImplemented{},
+		},
+	}
+
+	for _, tt := range cmdTests {
+		testutil.RunTest(t, tt)
+	}
+}

cmd/config/testdata/TestConfigGoldenOutput/config-cmd-with-defaults.golden

@@ -8,6 +8,7 @@ Available Commands:
   get-cluster Display a specific cluster or all defined clusters if no name is provided
   get-context Display a specific context, the current-context or all defined contexts if no name is provided
   help        Help about any command
+  init        Generate initial configuration files for airshipctl
   set-cluster Sets a cluster entry in the airshipctl config
   set-context Sets a context entry or updates current-context in the airshipctl config
 

cmd/config/testdata/TestConfigGoldenOutput/config-cmd-with-help.golden

@@ -8,6 +8,7 @@ Available Commands:
   get-cluster Display a specific cluster or all defined clusters if no name is provided
   get-context Display a specific context, the current-context or all defined contexts if no name is provided
   help        Help about any command
+  init        Generate initial configuration files for airshipctl
   set-cluster Sets a cluster entry in the airshipctl config
   set-context Sets a context entry or updates current-context in the airshipctl config
 

cmd/config/testdata/TestConfigInitGoldenOutput/config-init.golden

@@ -0,0 +1,7 @@
+Error: Not implemented
+Usage:
+  init [flags]
+
+Flags:
+  -h, --help   help for init
+