metadata-test.go

package main

import (
	"log"

	mackerel "github.com/mackerelio/mackerel-client-go"
)

func main() {
	mkr := mackerel.NewClient("your api key")
	md := mackerel.HostMetaData{
		"type":          12345,
		"instance_type": "c4.xlarge",
	}
	if err := mkr.CreateHostMetaData("9rxGOHfVF8F", "testing", &md); err != nil {
		log.Fatal(err)
	}
	metadata, err := mkr.GetHostMetaData("9rxGOHfVF8F", "testing")
	if err != nil {
		log.Fatal(err)
	}
	log.Printf("%+v\n", metadata)

	if err := mkr.CreateHostMetaData("9rxGOHfVF8F", "testing2", &md); err != nil {
		log.Fatal(err)
	}

	namespaces, err := mkr.GetHostMetaDataNameSpaces("9rxGOHfVF8F")
	if err != nil {
		log.Fatal(err)
	}
	log.Printf("%+v\n", namespaces)

	if err := mkr.DeleteHostMetaData("9rxGOHfVF8F", "testing"); err != nil {
		log.Fatal(err)
	}
	log.Println("testing deleted")

	namespaces, err = mkr.GetHostMetaDataNameSpaces("9rxGOHfVF8F")
	if err != nil {
		log.Fatal(err)
	}
	log.Printf("%+v\n", namespaces)

	md = mackerel.HostMetaData{
		"type":          54321,
		"instance_type": "m4.large",
		"env":           "prod",
	}
	if err = mkr.UpdateHostMetaData("9rxGOHfVF8F", "testing2", &md); err != nil {
		log.Fatal(err)
	}
	log.Printf("%+v\n", namespaces)

	metadata, err = mkr.GetHostMetaData("9rxGOHfVF8F", "testing2")
	if err != nil {
		log.Fatal(err)
	}
	log.Printf("%+v\n", metadata)
}

$ go run metadata-test.go
2018/03/07 09:08:02 metadata-test.go:22: &{HostMetaData:map[instance_type:c4.xlarge type:12345] LastModified:2018-03-07 00:08:02 +0000 UTC}
2018/03/07 09:08:02 metadata-test.go:32: [testing testing2]
2018/03/07 09:08:02 metadata-test.go:37: testing deleted
2018/03/07 09:08:02 metadata-test.go:43: [testing2]
2018/03/07 09:08:02 metadata-test.go:53: [testing2]
2018/03/07 09:08:02 metadata-test.go:59: &{HostMetaData:map[env:prod instance_type:m4.large type:54321] LastModified:2018-03-07 00:08:02 +0000 UTC}