controlplane installer subcommand (#48)

* add controlplane (cp) subcommand
* add controlplane to README

Makefile

@@ -25,7 +25,7 @@ PIPELINE_VERSION = 0.15.4
 
 # Dependency versions
 GOTESTSUM_VERSION = 0.3.3
-GOLANGCI_VERSION = 1.15.0
+GOLANGCI_VERSION = 1.16.0
 LICENSEI_VERSION = 0.1.0
 GORELEASER_VERSION = 0.98.0
 PACKR_VERSION = 2.0.8

README.md

@@ -20,6 +20,7 @@ Usage:
 
 Available Commands:
   cluster      Manage clusters
+  controlplane Manage controlplane
   form         Open forms from config, persist provided values and generate templates
   help         Help about any command
   login        Configure and log in to a Banzai Cloud context

internal/cli/command/cmd.go

@@ -17,6 +17,7 @@ package command
 import (
 	"github.com/banzaicloud/banzai-cli/internal/cli"
 	"github.com/banzaicloud/banzai-cli/internal/cli/command/cluster"
+	"github.com/banzaicloud/banzai-cli/internal/cli/command/controlplane"
 	"github.com/banzaicloud/banzai-cli/internal/cli/command/form"
 	"github.com/banzaicloud/banzai-cli/internal/cli/command/organization"
 	"github.com/banzaicloud/banzai-cli/internal/cli/command/secret"
@@ -32,5 +33,6 @@ func AddCommands(cmd *cobra.Command, banzaiCli cli.Cli) {
 		form.NewFormCommand(banzaiCli),
 		organization.NewOrganizationCommand(banzaiCli),
 		secret.NewSecretCommand(banzaiCli),
+		controlplane.NewControlPlaneCommand(banzaiCli),
 	)
 }

internal/cli/command/controlplane/cmd.go

@@ -0,0 +1,36 @@
+// Copyright © 2019 Banzai Cloud
+//
+// 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 controlplane
+
+import (
+	"github.com/banzaicloud/banzai-cli/internal/cli"
+	"github.com/spf13/cobra"
+)
+
+// NewControlPlaneCommand returns a cobra command for `controlplane` subcommands.
+func NewControlPlaneCommand(banzaiCli cli.Cli) *cobra.Command {
+	cmd := &cobra.Command{
+		Use:     "controlplane",
+		Aliases: []string{"cp"},
+		Short:   "Manage controlplane",
+	}
+
+	cmd.AddCommand(
+		NewUpCommand(),
+		NewDownCommand(),
+	)
+
+	return cmd
+}

internal/cli/command/controlplane/down.go

@@ -0,0 +1,135 @@
+// Copyright © 2019 Banzai Cloud
+//
+// 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 controlplane
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"os"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+	"gopkg.in/AlecAivazis/survey.v1"
+)
+
+// NewDownCommand creates a new cobra.Command for `banzai clontrolplane down`.
+func NewDownCommand() *cobra.Command {
+	options := createOptions{}
+
+	cmd := &cobra.Command{
+		Use:   "down",
+		Short: "Destroy the controlplane",
+		Long:  "Destroy a controlplane based on json stdin or interactive session",
+		Args:  cobra.NoArgs,
+		Run: func(cmd *cobra.Command, args []string) {
+			runDestroy(options)
+		},
+	}
+
+	flags := cmd.Flags()
+
+	flags.StringVarP(&options.file, "file", "f", "values.yaml", "Control Plane descriptor file")
+
+	return cmd
+}
+
+func runDestroy(options createOptions) {
+	var out map[string]interface{}
+
+	filename := options.file
+
+	if isInteractive() {
+		var content string
+
+		for {
+			if filename == "" {
+				_ = survey.AskOne(
+					&survey.Input{
+						Message: "Load a JSON or YAML file:",
+						Default: "values.yaml",
+						Help:    "Give either a relative or an absolute path to a file containing a JSON or YAML Control Plane creation descriptor. Leave empty to cancel.",
+					},
+					&filename,
+					nil,
+				)
+				if filename == "skip" || filename == "" {
+					break
+				}
+			}
+
+			if raw, err := ioutil.ReadFile(filename); err != nil {
+
+				log.Errorf("failed to read file %q: %v", filename, err)
+
+				filename = "" // reset fileName so that we can ask for one
+
+				continue
+			} else {
+				if err := unmarshal(raw, &out); err != nil {
+					log.Fatalf("failed to parse control plane descriptor: %v", err)
+				}
+
+				break
+			}
+		}
+
+		if bytes, err := json.MarshalIndent(out, "", "  "); err != nil {
+			log.Debugf("descriptor: %#v", out)
+			log.Fatalf("failed to marshal descriptor: %v", err)
+		} else {
+			content = string(bytes)
+			_, _ = fmt.Fprintf(os.Stderr, "The current state of the descriptor:\n\n%s\n", content)
+		}
+
+		var destroy bool
+		_ = survey.AskOne(
+			&survey.Confirm{
+				Message: "Do you want to DESTROY the controlplane now?",
+				Default: true,
+			},
+			&destroy,
+			nil,
+		)
+
+		if !destroy {
+			log.Fatal("controlplane destroy cancelled")
+		}
+	} else { // non-interactive
+		var raw []byte
+		var err error
+
+		if filename != "" {
+			raw, err = ioutil.ReadFile(filename)
+		} else {
+			raw, err = ioutil.ReadAll(os.Stdin)
+			filename = "stdin"
+		}
+
+		if err != nil {
+			log.Fatalf("failed to read %s: %v", filename, err)
+		}
+
+		if err := unmarshal(raw, &out); err != nil {
+			log.Fatalf("failed to parse controlplane descriptor: %v", err)
+		}
+	}
+
+	log.Info("controlplane is being destroy")
+
+	if err := runInternal("destroy", filename); err != nil {
+		log.Fatalf("controlplane destroy failed: %v", err)
+	}
+}