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resource_aws_s3_bucket_object.go
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resource_aws_s3_bucket_object.go
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package aws
import (
"bytes"
"fmt"
"io"
"log"
"net/url"
"os"
"sort"
"strings"
"github.com/hashicorp/terraform/helper/schema"
"github.com/mitchellh/go-homedir"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/kms"
"github.com/aws/aws-sdk-go/service/s3"
)
func resourceAwsS3BucketObject() *schema.Resource {
return &schema.Resource{
Create: resourceAwsS3BucketObjectPut,
Read: resourceAwsS3BucketObjectRead,
Update: resourceAwsS3BucketObjectPut,
Delete: resourceAwsS3BucketObjectDelete,
Schema: map[string]*schema.Schema{
"bucket": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"acl": {
Type: schema.TypeString,
Default: "private",
Optional: true,
ValidateFunc: validateS3BucketObjectAclType,
},
"cache_control": {
Type: schema.TypeString,
Optional: true,
},
"content_disposition": {
Type: schema.TypeString,
Optional: true,
},
"content_encoding": {
Type: schema.TypeString,
Optional: true,
},
"content_language": {
Type: schema.TypeString,
Optional: true,
},
"content_type": {
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"key": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"source": {
Type: schema.TypeString,
Optional: true,
ConflictsWith: []string{"content"},
},
"content": {
Type: schema.TypeString,
Optional: true,
ConflictsWith: []string{"source"},
},
"storage_class": {
Type: schema.TypeString,
Optional: true,
Computed: true,
ValidateFunc: validateS3BucketObjectStorageClassType,
},
"server_side_encryption": {
Type: schema.TypeString,
Optional: true,
ValidateFunc: validateS3BucketObjectServerSideEncryption,
Computed: true,
},
"kms_key_id": {
Type: schema.TypeString,
Optional: true,
ValidateFunc: validateArn,
},
"etag": {
Type: schema.TypeString,
// This will conflict with SSE-C and SSE-KMS encryption and multi-part upload
// if/when it's actually implemented. The Etag then won't match raw-file MD5.
// See http://docs.aws.amazon.com/AmazonS3/latest/API/RESTCommonResponseHeaders.html
Optional: true,
Computed: true,
ConflictsWith: []string{"kms_key_id", "server_side_encryption"},
},
"version_id": {
Type: schema.TypeString,
Computed: true,
},
"tags": tagsSchema(),
"website_redirect": {
Type: schema.TypeString,
Optional: true,
},
},
}
}
func resourceAwsS3BucketObjectPut(d *schema.ResourceData, meta interface{}) error {
s3conn := meta.(*AWSClient).s3conn
restricted := meta.(*AWSClient).IsGovCloud() || meta.(*AWSClient).IsChinaCloud()
var body io.ReadSeeker
if v, ok := d.GetOk("source"); ok {
source := v.(string)
path, err := homedir.Expand(source)
if err != nil {
return fmt.Errorf("Error expanding homedir in source (%s): %s", source, err)
}
file, err := os.Open(path)
if err != nil {
return fmt.Errorf("Error opening S3 bucket object source (%s): %s", source, err)
}
body = file
} else if v, ok := d.GetOk("content"); ok {
content := v.(string)
body = bytes.NewReader([]byte(content))
} else {
return fmt.Errorf("Must specify \"source\" or \"content\" field")
}
bucket := d.Get("bucket").(string)
key := d.Get("key").(string)
putInput := &s3.PutObjectInput{
Bucket: aws.String(bucket),
Key: aws.String(key),
ACL: aws.String(d.Get("acl").(string)),
Body: body,
}
if v, ok := d.GetOk("storage_class"); ok {
putInput.StorageClass = aws.String(v.(string))
}
if v, ok := d.GetOk("cache_control"); ok {
putInput.CacheControl = aws.String(v.(string))
}
if v, ok := d.GetOk("content_type"); ok {
putInput.ContentType = aws.String(v.(string))
}
if v, ok := d.GetOk("content_encoding"); ok {
putInput.ContentEncoding = aws.String(v.(string))
}
if v, ok := d.GetOk("content_language"); ok {
putInput.ContentLanguage = aws.String(v.(string))
}
if v, ok := d.GetOk("content_disposition"); ok {
putInput.ContentDisposition = aws.String(v.(string))
}
if v, ok := d.GetOk("server_side_encryption"); ok {
putInput.ServerSideEncryption = aws.String(v.(string))
}
if v, ok := d.GetOk("kms_key_id"); ok {
putInput.SSEKMSKeyId = aws.String(v.(string))
putInput.ServerSideEncryption = aws.String(s3.ServerSideEncryptionAwsKms)
}
if v, ok := d.GetOk("tags"); ok {
if restricted {
return fmt.Errorf("This region does not allow for tags on S3 objects")
}
// The tag-set must be encoded as URL Query parameters.
values := url.Values{}
for k, v := range v.(map[string]interface{}) {
values.Add(k, v.(string))
}
putInput.Tagging = aws.String(values.Encode())
}
if v, ok := d.GetOk("website_redirect"); ok {
putInput.WebsiteRedirectLocation = aws.String(v.(string))
}
resp, err := s3conn.PutObject(putInput)
if err != nil {
return fmt.Errorf("Error putting object in S3 bucket (%s): %s", bucket, err)
}
// See https://forums.aws.amazon.com/thread.jspa?threadID=44003
d.Set("etag", strings.Trim(*resp.ETag, `"`))
d.Set("version_id", resp.VersionId)
d.SetId(key)
return resourceAwsS3BucketObjectRead(d, meta)
}
func resourceAwsS3BucketObjectRead(d *schema.ResourceData, meta interface{}) error {
s3conn := meta.(*AWSClient).s3conn
restricted := meta.(*AWSClient).IsGovCloud() || meta.(*AWSClient).IsChinaCloud()
bucket := d.Get("bucket").(string)
key := d.Get("key").(string)
resp, err := s3conn.HeadObject(
&s3.HeadObjectInput{
Bucket: aws.String(bucket),
Key: aws.String(key),
})
if err != nil {
// If S3 returns a 404 Request Failure, mark the object as destroyed
if awsErr, ok := err.(awserr.RequestFailure); ok && awsErr.StatusCode() == 404 {
d.SetId("")
log.Printf("[WARN] Error Reading Object (%s), object not found (HTTP status 404)", key)
return nil
}
return err
}
log.Printf("[DEBUG] Reading S3 Bucket Object meta: %s", resp)
d.Set("cache_control", resp.CacheControl)
d.Set("content_disposition", resp.ContentDisposition)
d.Set("content_encoding", resp.ContentEncoding)
d.Set("content_language", resp.ContentLanguage)
d.Set("content_type", resp.ContentType)
d.Set("version_id", resp.VersionId)
d.Set("server_side_encryption", resp.ServerSideEncryption)
d.Set("website_redirect", resp.WebsiteRedirectLocation)
// Only set non-default KMS key ID (one that doesn't match default)
if resp.SSEKMSKeyId != nil {
// retrieve S3 KMS Default Master Key
kmsconn := meta.(*AWSClient).kmsconn
kmsresp, err := kmsconn.DescribeKey(&kms.DescribeKeyInput{
KeyId: aws.String("alias/aws/s3"),
})
if err != nil {
return fmt.Errorf("Failed to describe default S3 KMS key (alias/aws/s3): %s", err)
}
if *resp.SSEKMSKeyId != *kmsresp.KeyMetadata.Arn {
log.Printf("[DEBUG] S3 object is encrypted using a non-default KMS Key ID: %s", *resp.SSEKMSKeyId)
d.Set("kms_key_id", resp.SSEKMSKeyId)
}
}
d.Set("etag", strings.Trim(*resp.ETag, `"`))
// The "STANDARD" (which is also the default) storage
// class when set would not be included in the results.
d.Set("storage_class", s3.StorageClassStandard)
if resp.StorageClass != nil {
d.Set("storage_class", resp.StorageClass)
}
if !restricted {
tagResp, err := s3conn.GetObjectTagging(
&s3.GetObjectTaggingInput{
Bucket: aws.String(bucket),
Key: aws.String(key),
})
if err != nil {
return fmt.Errorf("Failed to get object tags (bucket: %s, key: %s): %s", bucket, key, err)
}
d.Set("tags", tagsToMapS3(tagResp.TagSet))
}
return nil
}
func resourceAwsS3BucketObjectDelete(d *schema.ResourceData, meta interface{}) error {
s3conn := meta.(*AWSClient).s3conn
bucket := d.Get("bucket").(string)
key := d.Get("key").(string)
if _, ok := d.GetOk("version_id"); ok {
// Bucket is versioned, we need to delete all versions
vInput := s3.ListObjectVersionsInput{
Bucket: aws.String(bucket),
Prefix: aws.String(key),
}
out, err := s3conn.ListObjectVersions(&vInput)
if err != nil {
return fmt.Errorf("Failed listing S3 object versions: %s", err)
}
for _, v := range out.Versions {
input := s3.DeleteObjectInput{
Bucket: aws.String(bucket),
Key: aws.String(key),
VersionId: v.VersionId,
}
_, err := s3conn.DeleteObject(&input)
if err != nil {
return fmt.Errorf("Error deleting S3 object version of %s:\n %s:\n %s",
key, v, err)
}
}
} else {
// Just delete the object
input := s3.DeleteObjectInput{
Bucket: aws.String(bucket),
Key: aws.String(key),
}
_, err := s3conn.DeleteObject(&input)
if err != nil {
return fmt.Errorf("Error deleting S3 bucket object: %s Bucket: %q Object: %q", err, bucket, key)
}
}
return nil
}
func validateS3BucketObjectAclType(v interface{}, k string) (ws []string, errors []error) {
value := v.(string)
cannedAcls := map[string]bool{
s3.ObjectCannedACLPrivate: true,
s3.ObjectCannedACLPublicRead: true,
s3.ObjectCannedACLPublicReadWrite: true,
s3.ObjectCannedACLAuthenticatedRead: true,
s3.ObjectCannedACLAwsExecRead: true,
s3.ObjectCannedACLBucketOwnerRead: true,
s3.ObjectCannedACLBucketOwnerFullControl: true,
}
sentenceJoin := func(m map[string]bool) string {
keys := make([]string, 0, len(m))
for k := range m {
keys = append(keys, fmt.Sprintf("%q", k))
}
sort.Strings(keys)
length := len(keys)
words := make([]string, length)
copy(words, keys)
words[length-1] = fmt.Sprintf("or %s", words[length-1])
return strings.Join(words, ", ")
}
if _, ok := cannedAcls[value]; !ok {
errors = append(errors, fmt.Errorf(
"%q contains an invalid canned ACL type %q. Valid types are either %s",
k, value, sentenceJoin(cannedAcls)))
}
return
}
func validateS3BucketObjectStorageClassType(v interface{}, k string) (ws []string, errors []error) {
value := v.(string)
storageClass := map[string]bool{
s3.StorageClassStandard: true,
s3.StorageClassReducedRedundancy: true,
s3.StorageClassStandardIa: true,
}
if _, ok := storageClass[value]; !ok {
errors = append(errors, fmt.Errorf(
"%q contains an invalid Storage Class type %q. Valid types are either %q, %q, or %q",
k, value, s3.StorageClassStandard, s3.StorageClassReducedRedundancy,
s3.StorageClassStandardIa))
}
return
}
func validateS3BucketObjectServerSideEncryption(v interface{}, k string) (ws []string, errors []error) {
value := v.(string)
serverSideEncryption := map[string]bool{
s3.ServerSideEncryptionAes256: true,
s3.ServerSideEncryptionAwsKms: true,
}
if _, ok := serverSideEncryption[value]; !ok {
errors = append(errors, fmt.Errorf(
"%q contains an invalid Server Side Encryption value %q. Valid values are %q and %q",
k, value, s3.ServerSideEncryptionAes256, s3.ServerSideEncryptionAwsKms))
}
return
}