remove dead legacy gcs code
This commit is contained in:
James Bardin
Martin Atkins
parent
fe527ec9d7
commit
3595bd3f81
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@ -1,171 +0,0 @@
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package remote
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net/http"
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"os"
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"strings"
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"github.com/hashicorp/terraform/helper/pathorcontents"
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"github.com/hashicorp/terraform/httpclient"
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"golang.org/x/net/context"
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"golang.org/x/oauth2"
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"golang.org/x/oauth2/google"
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"golang.org/x/oauth2/jwt"
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"google.golang.org/api/googleapi"
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"google.golang.org/api/storage/v1"
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)
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// accountFile represents the structure of the credentials JSON
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type accountFile struct {
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PrivateKeyId string `json:"private_key_id"`
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PrivateKey string `json:"private_key"`
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ClientEmail string `json:"client_email"`
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ClientId string `json:"client_id"`
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}
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func parseJSON(result interface{}, contents string) error {
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r := strings.NewReader(contents)
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dec := json.NewDecoder(r)
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return dec.Decode(result)
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}
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type GCSClient struct {
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bucket string
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path string
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clientStorage *storage.Service
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context context.Context
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}
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func gcsFactory(conf map[string]string) (Client, error) {
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var account accountFile
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var client *http.Client
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clientScopes := []string{
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"https://www.googleapis.com/auth/devstorage.full_control",
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}
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bucketName, ok := conf["bucket"]
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if !ok {
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return nil, fmt.Errorf("missing 'bucket' configuration")
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}
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pathName, ok := conf["path"]
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if !ok {
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return nil, fmt.Errorf("missing 'path' configuration")
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}
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credentials, ok := conf["credentials"]
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if !ok {
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credentials = os.Getenv("GOOGLE_CREDENTIALS")
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}
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if credentials != "" {
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contents, _, err := pathorcontents.Read(credentials)
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if err != nil {
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return nil, fmt.Errorf("Error loading credentials: %s", err)
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}
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// Assume account_file is a JSON string
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if err := parseJSON(&account, contents); err != nil {
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return nil, fmt.Errorf("Error parsing credentials '%s': %s", contents, err)
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}
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// Get the token for use in our requests
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log.Printf("[INFO] Requesting Google token...")
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log.Printf("[INFO] -- Email: %s", account.ClientEmail)
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log.Printf("[INFO] -- Scopes: %s", clientScopes)
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log.Printf("[INFO] -- Private Key Length: %d", len(account.PrivateKey))
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conf := jwt.Config{
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Email: account.ClientEmail,
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PrivateKey: []byte(account.PrivateKey),
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Scopes: clientScopes,
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TokenURL: "https://accounts.google.com/o/oauth2/token",
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}
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client = conf.Client(oauth2.NoContext)
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} else {
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log.Printf("[INFO] Authenticating using DefaultClient")
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err := error(nil)
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client, err = google.DefaultClient(oauth2.NoContext, clientScopes...)
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if err != nil {
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return nil, err
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}
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}
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log.Printf("[INFO] Instantiating Google Storage Client...")
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clientStorage, err := storage.New(client)
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if err != nil {
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return nil, err
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}
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clientStorage.UserAgent = httpclient.UserAgentString()
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return &GCSClient{
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clientStorage: clientStorage,
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bucket: bucketName,
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path: pathName,
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}, nil
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}
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func (c *GCSClient) Get() (*Payload, error) {
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// Read the object from bucket.
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log.Printf("[INFO] Reading %s/%s", c.bucket, c.path)
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resp, err := c.clientStorage.Objects.Get(c.bucket, c.path).Download()
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if err != nil {
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if gerr, ok := err.(*googleapi.Error); ok && gerr.Code == 404 {
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log.Printf("[INFO] %s/%s not found", c.bucket, c.path)
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return nil, nil
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}
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return nil, fmt.Errorf("[WARN] Error retrieving object %s/%s: %s", c.bucket, c.path, err)
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}
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defer resp.Body.Close()
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var buf []byte
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w := bytes.NewBuffer(buf)
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n, err := io.Copy(w, resp.Body)
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if err != nil {
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log.Fatalf("[WARN] error buffering %q: %v", c.path, err)
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}
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log.Printf("[INFO] Downloaded %d bytes", n)
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payload := &Payload{
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Data: w.Bytes(),
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}
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// If there was no data, then return nil
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if len(payload.Data) == 0 {
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return nil, nil
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}
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return payload, nil
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}
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func (c *GCSClient) Put(data []byte) error {
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log.Printf("[INFO] Writing %s/%s", c.bucket, c.path)
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r := bytes.NewReader(data)
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_, err := c.clientStorage.Objects.Insert(c.bucket, &storage.Object{Name: c.path}).Media(r).Do()
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if err != nil {
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return err
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}
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return nil
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}
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func (c *GCSClient) Delete() error {
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log.Printf("[INFO] Deleting %s/%s", c.bucket, c.path)
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err := c.clientStorage.Objects.Delete(c.bucket, c.path).Do()
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return err
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}
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