mackerelのグラフアノテーションをChatOpsに加えてみた

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$ graph-annotation post -s 'アノテーションのタイトル' MackerelRole1 MackerelRole2

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./cmd
├── graph-annotations
│   └── main.go
├── post.go
└── root.go

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var RootCmd = &cobra.Command{
	Use:   "graph-annotations",
	Short: "Graph-annotations is a very simple tool for mackerel graph annotations API.",
	Long:  "Complete API documentation is available at https://mackerel.io/api-docs/entry/graph-annotations",
	Run: func(cmd *cobra.Command, args []string) {
	},
}

func init() {
	cobra.OnInitialize()
}

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func init() {
	postCmd.Flags().StringVarP(&title, "title", "s", "", "required: annotation title")
	postCmd.Flags().StringVar(&description, "description", "", "[optional] annotation details")
	postCmd.Flags().StringVar(&service, "service", os.Getenv("MACKEREL_SERVICE_NAME"), "required: service name, when it's empty value then will use enviroment variable of 'MACKEREL_SERVICE_NAME''")
	RootCmd.AddCommand(postCmd)
}

var title string
var description string
var service string

var postCmd = &cobra.Command{
	Use:   "post",
	Short: "Creating graph annotations",
	Long:  "Tne post command creates graph annotations via graph-annotations API.",
	Example: `graph-annotations post -s 'deploy application' ExampleRole1 ExampleRole2
graph-annotations post --service ExampleService -s 'deploy application' ExampleRole1 ExampleRole2`,
	RunE: func(cmd *cobra.Command, args []string) error {

		// flagのバリデーションを省略しています

		time := time.Now().Unix()
		client := mkr.NewClient(os.Getenv("MACKEREL_API_KEY"))

		annotation := &mkr.GraphAnnotation{
			Service:     service,
			Roles:       args,
			From:        time,
			To:          time,
			Title:       title,
			Description: description,
		}

		err := client.CreateGraphAnnotation(annotation)

		if err != nil {
			return errors.Wrap(err, "client error.")
		}


		fmt.Printf("completed. params title:%s, from:%d to:%d, service:%s, roles:%s", title, time, time, service, args)
		return nil
	},
}

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$ graph-annotation help post
Tne post command creates graph annotations via graph-annotations API.

Usage:
  graph-annotations post [flags]

Examples:
graph-annotations post -s 'deploy application' ExampleRole1 ExampleRole2
graph-annotations post --service ExampleService -s 'deploy application' ExampleRole1 ExampleRole2

Flags:
      --description string   [optional] annotation details
      --service string       required: service name, when it's empty value then will use enviroment variable of 'MACKEREL_SERVICE_NAME'' (default "local")
  -s, --title string         required: annotation title

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$ export HUBOT_SLACK_TOKEN=<your slack token>

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$ cd (path-to-hubot)
$ ./bin/hubot --adapter slack

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@localbot note -s 'プッシュ通知を送信しました' web

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child_process = require 'child_process'

module.exports = (robot) ->
  robot.respond /note\s+(.+)$/, (msg) ->
    option = msg.match[1]

    child_process.exec "graph-annotation post #{option}", (error, stdout, stderr) ->
          if !error
            output = stdout+''
            msg.send output
          else
            output = stderr+''
            msg.send output