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data_source_aws_efs_file_system.go
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data_source_aws_efs_file_system.go
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package aws
import (
"fmt"
"log"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/efs"
"github.com/hashicorp/errwrap"
"github.com/hashicorp/terraform/helper/schema"
)
func dataSourceAwsEfsFileSystem() *schema.Resource {
return &schema.Resource{
Read: dataSourceAwsEfsFileSystemRead,
Schema: map[string]*schema.Schema{
"creation_token": {
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
ValidateFunc: validateMaxLength(64),
},
"encrypted": {
Type: schema.TypeBool,
Computed: true,
},
"file_system_id": {
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"kms_key_id": {
Type: schema.TypeString,
Computed: true,
},
"performance_mode": {
Type: schema.TypeString,
Computed: true,
},
"dns_name": {
Type: schema.TypeString,
Computed: true,
},
"tags": tagsSchemaComputed(),
},
}
}
func dataSourceAwsEfsFileSystemRead(d *schema.ResourceData, meta interface{}) error {
efsconn := meta.(*AWSClient).efsconn
describeEfsOpts := &efs.DescribeFileSystemsInput{}
if v, ok := d.GetOk("creation_token"); ok {
describeEfsOpts.CreationToken = aws.String(v.(string))
}
if v, ok := d.GetOk("file_system_id"); ok {
describeEfsOpts.FileSystemId = aws.String(v.(string))
}
log.Printf("[DEBUG] Reading EFS File System: %s", describeEfsOpts)
describeResp, err := efsconn.DescribeFileSystems(describeEfsOpts)
if err != nil {
return errwrap.Wrapf("Error retrieving EFS: {{err}}", err)
}
if len(describeResp.FileSystems) != 1 {
return fmt.Errorf("Search returned %d results, please revise so only one is returned", len(describeResp.FileSystems))
}
d.SetId(*describeResp.FileSystems[0].FileSystemId)
tags := make([]*efs.Tag, 0)
var marker string
for {
params := &efs.DescribeTagsInput{
FileSystemId: aws.String(d.Id()),
}
if marker != "" {
params.Marker = aws.String(marker)
}
tagsResp, err := efsconn.DescribeTags(params)
if err != nil {
return fmt.Errorf("Error retrieving EC2 tags for EFS file system (%q): %s",
d.Id(), err.Error())
}
for _, tag := range tagsResp.Tags {
tags = append(tags, tag)
}
if tagsResp.NextMarker != nil {
marker = *tagsResp.NextMarker
} else {
break
}
}
err = d.Set("tags", tagsToMapEFS(tags))
if err != nil {
return err
}
var fs *efs.FileSystemDescription
for _, f := range describeResp.FileSystems {
if d.Id() == *f.FileSystemId {
fs = f
break
}
}
if fs == nil {
log.Printf("[WARN] EFS (%s) not found, removing from state", d.Id())
d.SetId("")
return nil
}
d.Set("creation_token", fs.CreationToken)
d.Set("performance_mode", fs.PerformanceMode)
d.Set("file_system_id", fs.FileSystemId)
d.Set("encrypted", fs.Encrypted)
d.Set("kms_key_id", fs.KmsKeyId)
region := meta.(*AWSClient).region
err = d.Set("dns_name", resourceAwsEfsDnsName(*fs.FileSystemId, region))
if err != nil {
return err
}
return nil
}