/
util.go
69 lines (56 loc) · 1.46 KB
/
util.go
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package main
import (
"fmt"
"os"
"github.com/digitalocean/go-metadata"
"github.com/digitalocean/godo"
"github.com/spf13/cobra"
"golang.org/x/oauth2"
)
// TokenSource holds an OAuth token.
type TokenSource struct {
AccessToken string
}
// Token returns an OAuth token.
func (t *TokenSource) Token() (*oauth2.Token, error) {
return &oauth2.Token{
AccessToken: t.AccessToken,
}, nil
}
// GetClient returns a godo client.
func GetClient(token string) *godo.Client {
tokenSource := &TokenSource{AccessToken: token}
oauthClient := oauth2.NewClient(oauth2.NoContext, tokenSource)
client := godo.NewClient(oauthClient)
client.BaseURL = GodoBase
return client
}
// WhoAmI returns a Droplet's ID via the Metadata service if run on one.
func WhoAmI(cmd *cobra.Command) int {
client := metadata.NewClient(metadata.WithBaseURL(MetadataBase))
id, err := client.DropletID()
if err != nil {
fmt.Println("Error: ", err)
cmd.Help()
os.Exit(1)
}
return id
}
func AssignedFIP(cmd *cobra.Command) string {
meta := metadata.NewClient(metadata.WithBaseURL(MetadataBase))
all, err := meta.Metadata()
if err != nil {
fmt.Println("Error: ", err)
cmd.Help()
os.Exit(1)
}
fip := all.FloatingIP.IPv4.IPAddress
return fip
}
// TokenCheck checks if a DigitalOcean API Token has been provided.
func TokenCheck(cmd *cobra.Command, args []string) {
if Token == "" {
fmt.Println("The '--token flag or $DIGITALOCEAN_TOKEN environmental variable must be set.")
os.Exit(1)
}
}