2015-09-03 18:47:51 +00:00
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package google
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import (
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2015-11-12 21:20:08 +00:00
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"bytes"
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2015-09-03 18:47:51 +00:00
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"fmt"
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2015-11-12 21:20:08 +00:00
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"io"
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2015-11-13 20:36:03 +00:00
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"log"
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2015-09-19 21:37:14 +00:00
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"os"
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2015-09-03 18:47:51 +00:00
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"github.com/hashicorp/terraform/helper/schema"
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2017-11-28 00:25:32 +00:00
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"crypto/md5"
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"encoding/base64"
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2015-11-13 20:36:03 +00:00
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"google.golang.org/api/googleapi"
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2015-09-03 18:47:51 +00:00
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"google.golang.org/api/storage/v1"
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"io/ioutil"
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2015-09-03 18:47:51 +00:00
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)
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func resourceStorageBucketObject() *schema.Resource {
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return &schema.Resource{
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Create: resourceStorageBucketObjectCreate,
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Read: resourceStorageBucketObjectRead,
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Delete: resourceStorageBucketObjectDelete,
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Schema: map[string]*schema.Schema{
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"bucket": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"name": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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2015-11-12 21:20:08 +00:00
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"cache_control": &schema.Schema{
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Type: schema.TypeString,
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ForceNew: true,
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Optional: true,
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},
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"content_disposition": &schema.Schema{
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Type: schema.TypeString,
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ForceNew: true,
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Optional: true,
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},
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"content_encoding": &schema.Schema{
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Type: schema.TypeString,
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ForceNew: true,
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Optional: true,
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},
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"content_language": &schema.Schema{
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Type: schema.TypeString,
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ForceNew: true,
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Optional: true,
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},
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"content_type": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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Computed: true,
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},
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"content": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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ConflictsWith: []string{"source"},
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},
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2015-11-12 21:20:08 +00:00
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2016-04-10 21:34:15 +00:00
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"crc32c": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"md5hash": &schema.Schema{
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Type: schema.TypeString,
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2017-11-29 18:03:03 +00:00
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Computed: true,
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},
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"predefined_acl": &schema.Schema{
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Type: schema.TypeString,
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Removed: "Please use resource \"storage_object_acl.predefined_acl\" instead.",
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Optional: true,
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ForceNew: true,
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},
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"source": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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ConflictsWith: []string{"content"},
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},
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// Detect changes to local file or changes made outside of Terraform to the file stored on the server.
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"detect_md5hash": &schema.Schema{
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Type: schema.TypeString,
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// This field is not Computed because it needs to trigger a diff.
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Optional: true,
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ForceNew: true,
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// Makes the diff message nicer:
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// detect_md5hash: "1XcnP/iFw/hNrbhXi7QTmQ==" => "different hash" (forces new resource)
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// Instead of the more confusing:
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// detect_md5hash: "1XcnP/iFw/hNrbhXi7QTmQ==" => "" (forces new resource)
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Default: "different hash",
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// 1. Compute the md5 hash of the local file
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// 2. Compare the computed md5 hash with the hash stored in Cloud Storage
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// 3. Don't suppress the diff iff they don't match
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DiffSuppressFunc: func(k, old, new string, d *schema.ResourceData) bool {
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localMd5Hash := ""
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if source, ok := d.GetOkExists("source"); ok {
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localMd5Hash = getFileMd5Hash(source.(string))
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}
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if content, ok := d.GetOkExists("content"); ok {
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localMd5Hash = getContentMd5Hash([]byte(content.(string)))
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}
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2017-12-14 00:41:07 +00:00
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// If `source` or `content` is dynamically set, both field will be empty.
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// We should not suppress the diff to avoid the following error:
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// 'Mismatch reason: extra attributes: detect_md5hash'
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if localMd5Hash == "" {
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return false
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}
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2017-11-29 18:03:03 +00:00
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// `old` is the md5 hash we retrieved from the server in the ReadFunc
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if old != localMd5Hash {
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return false
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}
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2016-04-10 21:34:15 +00:00
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2017-11-29 18:03:03 +00:00
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return true
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},
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},
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"storage_class": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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Computed: true,
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},
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},
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}
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}
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func objectGetId(object *storage.Object) string {
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return object.Bucket + "-" + object.Name
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}
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func resourceStorageBucketObjectCreate(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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bucket := d.Get("bucket").(string)
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name := d.Get("name").(string)
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var media io.Reader
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if v, ok := d.GetOk("source"); ok {
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err := error(nil)
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media, err = os.Open(v.(string))
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if err != nil {
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return err
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}
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} else if v, ok := d.GetOk("content"); ok {
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media = bytes.NewReader([]byte(v.(string)))
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} else {
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return fmt.Errorf("Error, either \"content\" or \"source\" must be specified")
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}
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objectsService := storage.NewObjectsService(config.clientStorage)
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object := &storage.Object{Bucket: bucket}
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2017-05-08 23:35:47 +00:00
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if v, ok := d.GetOk("cache_control"); ok {
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object.CacheControl = v.(string)
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}
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if v, ok := d.GetOk("content_disposition"); ok {
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object.ContentDisposition = v.(string)
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}
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if v, ok := d.GetOk("content_encoding"); ok {
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object.ContentEncoding = v.(string)
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}
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if v, ok := d.GetOk("content_language"); ok {
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object.ContentLanguage = v.(string)
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}
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if v, ok := d.GetOk("content_type"); ok {
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object.ContentType = v.(string)
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}
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if v, ok := d.GetOk("storage_class"); ok {
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object.StorageClass = v.(string)
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}
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2015-09-03 18:47:51 +00:00
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insertCall := objectsService.Insert(bucket, object)
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insertCall.Name(name)
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insertCall.Media(media)
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2015-09-16 18:46:46 +00:00
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2015-11-12 21:20:08 +00:00
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_, err := insertCall.Do()
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if err != nil {
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2015-11-12 21:20:08 +00:00
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return fmt.Errorf("Error uploading object %s: %s", name, err)
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}
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return resourceStorageBucketObjectRead(d, meta)
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}
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func resourceStorageBucketObjectRead(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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bucket := d.Get("bucket").(string)
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name := d.Get("name").(string)
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objectsService := storage.NewObjectsService(config.clientStorage)
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getCall := objectsService.Get(bucket, name)
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res, err := getCall.Do()
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if err != nil {
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return handleNotFoundError(err, d, fmt.Sprintf("Storage Bucket Object %q", d.Get("name").(string)))
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}
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d.Set("md5hash", res.Md5Hash)
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d.Set("detect_md5hash", res.Md5Hash)
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2015-09-03 18:47:51 +00:00
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d.Set("crc32c", res.Crc32c)
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2017-05-08 23:35:47 +00:00
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d.Set("cache_control", res.CacheControl)
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d.Set("content_disposition", res.ContentDisposition)
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d.Set("content_encoding", res.ContentEncoding)
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d.Set("content_language", res.ContentLanguage)
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d.Set("content_type", res.ContentType)
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d.Set("storage_class", res.StorageClass)
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2015-09-03 18:47:51 +00:00
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d.SetId(objectGetId(res))
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return nil
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}
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func resourceStorageBucketObjectDelete(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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bucket := d.Get("bucket").(string)
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name := d.Get("name").(string)
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objectsService := storage.NewObjectsService(config.clientStorage)
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DeleteCall := objectsService.Delete(bucket, name)
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err := DeleteCall.Do()
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if err != nil {
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2017-05-04 17:57:49 +00:00
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if gerr, ok := err.(*googleapi.Error); ok && gerr.Code == 404 {
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log.Printf("[WARN] Removing Bucket Object %q because it's gone", name)
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// The resource doesn't exist anymore
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d.SetId("")
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return nil
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}
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2015-09-03 18:47:51 +00:00
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return fmt.Errorf("Error deleting contents of object %s: %s", name, err)
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}
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return nil
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}
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2017-11-28 00:25:32 +00:00
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func getFileMd5Hash(filename string) string {
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data, err := ioutil.ReadFile(filename)
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if err != nil {
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log.Printf("[WARN] Failed to read source file %q. Cannot compute md5 hash for it.", filename)
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return ""
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}
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2017-11-29 18:03:03 +00:00
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return getContentMd5Hash(data)
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}
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func getContentMd5Hash(content []byte) string {
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h := md5.New()
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h.Write(content)
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2017-11-28 00:25:32 +00:00
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return base64.StdEncoding.EncodeToString(h.Sum(nil))
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}
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