terraform/builtin/providers/aws/resource_aws_s3_bucket.go

416 lines
10 KiB
Go

package aws
import (
"encoding/json"
"fmt"
"log"
"github.com/hashicorp/terraform/helper/schema"
"github.com/awslabs/aws-sdk-go/aws"
"github.com/awslabs/aws-sdk-go/aws/awserr"
"github.com/awslabs/aws-sdk-go/service/s3"
)
func resourceAwsS3Bucket() *schema.Resource {
return &schema.Resource{
Create: resourceAwsS3BucketCreate,
Read: resourceAwsS3BucketRead,
Update: resourceAwsS3BucketUpdate,
Delete: resourceAwsS3BucketDelete,
Schema: map[string]*schema.Schema{
"bucket": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"acl": &schema.Schema{
Type: schema.TypeString,
Default: "private",
Optional: true,
ForceNew: true,
},
"policy": &schema.Schema{
Type: schema.TypeString,
Optional: true,
StateFunc: normalizeJson,
},
"website": &schema.Schema{
Type: schema.TypeList,
Optional: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"index_document": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"error_document": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"redirect_all_requests_to": &schema.Schema{
Type: schema.TypeString,
ConflictsWith: []string{
"website.0.index_document",
"website.0.error_document",
},
Optional: true,
},
},
},
},
"hosted_zone_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"region": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"website_endpoint": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"tags": tagsSchema(),
},
}
}
func resourceAwsS3BucketCreate(d *schema.ResourceData, meta interface{}) error {
s3conn := meta.(*AWSClient).s3conn
awsRegion := meta.(*AWSClient).region
// Get the bucket and acl
bucket := d.Get("bucket").(string)
acl := d.Get("acl").(string)
log.Printf("[DEBUG] S3 bucket create: %s, ACL: %s", bucket, acl)
req := &s3.CreateBucketInput{
Bucket: aws.String(bucket),
ACL: aws.String(acl),
}
// Special case us-east-1 region and do not set the LocationConstraint.
// See "Request Elements: http://docs.aws.amazon.com/AmazonS3/latest/API/RESTBucketPUT.html
if awsRegion != "us-east-1" {
req.CreateBucketConfiguration = &s3.CreateBucketConfiguration{
LocationConstraint: aws.String(awsRegion),
}
}
_, err := s3conn.CreateBucket(req)
if err != nil {
return fmt.Errorf("Error creating S3 bucket: %s", err)
}
// Assign the bucket name as the resource ID
d.SetId(bucket)
return resourceAwsS3BucketUpdate(d, meta)
}
func resourceAwsS3BucketUpdate(d *schema.ResourceData, meta interface{}) error {
s3conn := meta.(*AWSClient).s3conn
if err := setTagsS3(s3conn, d); err != nil {
return err
}
if d.HasChange("policy") {
if err := resourceAwsS3BucketPolicyUpdate(s3conn, d); err != nil {
return err
}
}
if d.HasChange("website") {
if err := resourceAwsS3BucketWebsiteUpdate(s3conn, d); err != nil {
return err
}
}
return resourceAwsS3BucketRead(d, meta)
}
func resourceAwsS3BucketRead(d *schema.ResourceData, meta interface{}) error {
s3conn := meta.(*AWSClient).s3conn
var err error
_, err = s3conn.HeadBucket(&s3.HeadBucketInput{
Bucket: aws.String(d.Id()),
})
if err != nil {
if awsError, ok := err.(awserr.RequestFailure); ok && awsError.StatusCode() == 404 {
d.SetId("")
} else {
// some of the AWS SDK's errors can be empty strings, so let's add
// some additional context.
return fmt.Errorf("error reading S3 bucket \"%s\": %s", d.Id(), err)
}
}
// Read the policy
pol, err := s3conn.GetBucketPolicy(&s3.GetBucketPolicyInput{
Bucket: aws.String(d.Id()),
})
log.Printf("[DEBUG] S3 bucket: %s, read policy: %v", d.Id(), pol)
if err != nil {
if err := d.Set("policy", ""); err != nil {
return err
}
} else {
if v := pol.Policy; v == nil {
if err := d.Set("policy", ""); err != nil {
return err
}
} else if err := d.Set("policy", normalizeJson(*v)); err != nil {
return err
}
}
// Read the website configuration
ws, err := s3conn.GetBucketWebsite(&s3.GetBucketWebsiteInput{
Bucket: aws.String(d.Id()),
})
var websites []map[string]interface{}
if err == nil {
w := make(map[string]interface{})
if v := ws.IndexDocument; v != nil {
w["index_document"] = *v.Suffix
}
if v := ws.ErrorDocument; v != nil {
w["error_document"] = *v.Key
}
if v := ws.RedirectAllRequestsTo; v != nil {
w["redirect_all_requests_to"] = *v.HostName
}
websites = append(websites, w)
}
if err := d.Set("website", websites); err != nil {
return err
}
// Add the region as an attribute
location, err := s3conn.GetBucketLocation(
&s3.GetBucketLocationInput{
Bucket: aws.String(d.Id()),
},
)
if err != nil {
return err
}
var region string
if location.LocationConstraint != nil {
region = *location.LocationConstraint
}
region = normalizeRegion(region)
if err := d.Set("region", region); err != nil {
return err
}
// Add the hosted zone ID for this bucket's region as an attribute
hostedZoneID := HostedZoneIDForRegion(region)
if err := d.Set("hosted_zone_id", hostedZoneID); err != nil {
return err
}
// Add website_endpoint as an attribute
endpoint, err := websiteEndpoint(s3conn, d)
if err != nil {
return err
}
if err := d.Set("website_endpoint", endpoint); err != nil {
return err
}
tagSet, err := getTagSetS3(s3conn, d.Id())
if err != nil {
return err
}
if err := d.Set("tags", tagsToMapS3(tagSet)); err != nil {
return err
}
return nil
}
func resourceAwsS3BucketDelete(d *schema.ResourceData, meta interface{}) error {
s3conn := meta.(*AWSClient).s3conn
log.Printf("[DEBUG] S3 Delete Bucket: %s", d.Id())
_, err := s3conn.DeleteBucket(&s3.DeleteBucketInput{
Bucket: aws.String(d.Id()),
})
if err != nil {
return err
}
return nil
}
func resourceAwsS3BucketPolicyUpdate(s3conn *s3.S3, d *schema.ResourceData) error {
bucket := d.Get("bucket").(string)
policy := d.Get("policy").(string)
if policy != "" {
log.Printf("[DEBUG] S3 bucket: %s, put policy: %s", bucket, policy)
_, err := s3conn.PutBucketPolicy(&s3.PutBucketPolicyInput{
Bucket: aws.String(bucket),
Policy: aws.String(policy),
})
if err != nil {
return fmt.Errorf("Error putting S3 policy: %s", err)
}
} else {
log.Printf("[DEBUG] S3 bucket: %s, delete policy: %s", bucket, policy)
_, err := s3conn.DeleteBucketPolicy(&s3.DeleteBucketPolicyInput{
Bucket: aws.String(bucket),
})
if err != nil {
return fmt.Errorf("Error deleting S3 policy: %s", err)
}
}
return nil
}
func resourceAwsS3BucketWebsiteUpdate(s3conn *s3.S3, d *schema.ResourceData) error {
ws := d.Get("website").([]interface{})
if len(ws) == 1 {
w := ws[0].(map[string]interface{})
return resourceAwsS3BucketWebsitePut(s3conn, d, w)
} else if len(ws) == 0 {
return resourceAwsS3BucketWebsiteDelete(s3conn, d)
} else {
return fmt.Errorf("Cannot specify more than one website.")
}
}
func resourceAwsS3BucketWebsitePut(s3conn *s3.S3, d *schema.ResourceData, website map[string]interface{}) error {
bucket := d.Get("bucket").(string)
indexDocument := website["index_document"].(string)
errorDocument := website["error_document"].(string)
redirectAllRequestsTo := website["redirect_all_requests_to"].(string)
if indexDocument == "" && redirectAllRequestsTo == "" {
return fmt.Errorf("Must specify either index_document or redirect_all_requests_to.")
}
websiteConfiguration := &s3.WebsiteConfiguration{}
if indexDocument != "" {
websiteConfiguration.IndexDocument = &s3.IndexDocument{Suffix: aws.String(indexDocument)}
}
if errorDocument != "" {
websiteConfiguration.ErrorDocument = &s3.ErrorDocument{Key: aws.String(errorDocument)}
}
if redirectAllRequestsTo != "" {
websiteConfiguration.RedirectAllRequestsTo = &s3.RedirectAllRequestsTo{HostName: aws.String(redirectAllRequestsTo)}
}
putInput := &s3.PutBucketWebsiteInput{
Bucket: aws.String(bucket),
WebsiteConfiguration: websiteConfiguration,
}
log.Printf("[DEBUG] S3 put bucket website: %#v", putInput)
_, err := s3conn.PutBucketWebsite(putInput)
if err != nil {
return fmt.Errorf("Error putting S3 website: %s", err)
}
return nil
}
func resourceAwsS3BucketWebsiteDelete(s3conn *s3.S3, d *schema.ResourceData) error {
bucket := d.Get("bucket").(string)
deleteInput := &s3.DeleteBucketWebsiteInput{Bucket: aws.String(bucket)}
log.Printf("[DEBUG] S3 delete bucket website: %#v", deleteInput)
_, err := s3conn.DeleteBucketWebsite(deleteInput)
if err != nil {
return fmt.Errorf("Error deleting S3 website: %s", err)
}
return nil
}
func websiteEndpoint(s3conn *s3.S3, d *schema.ResourceData) (string, error) {
// If the bucket doesn't have a website configuration, return an empty
// endpoint
if _, ok := d.GetOk("website"); !ok {
return "", nil
}
bucket := d.Get("bucket").(string)
// Lookup the region for this bucket
location, err := s3conn.GetBucketLocation(
&s3.GetBucketLocationInput{
Bucket: aws.String(bucket),
},
)
if err != nil {
return "", err
}
var region string
if location.LocationConstraint != nil {
region = *location.LocationConstraint
}
return WebsiteEndpointUrl(bucket, region), nil
}
func WebsiteEndpointUrl(bucket string, region string) string {
region = normalizeRegion(region)
return fmt.Sprintf("%s.s3-website-%s.amazonaws.com", bucket, region)
}
func normalizeJson(jsonString interface{}) string {
if jsonString == nil {
return ""
}
j := make(map[string]interface{})
err := json.Unmarshal([]byte(jsonString.(string)), &j)
if err != nil {
return fmt.Sprintf("Error parsing JSON: %s", err)
}
b, _ := json.Marshal(j)
return string(b[:])
}
func normalizeRegion(region string) string {
// Default to us-east-1 if the bucket doesn't have a region:
// http://docs.aws.amazon.com/AmazonS3/latest/API/RESTBucketGETlocation.html
if region == "" {
region = "us-east-1"
}
return region
}