terraform/builtin/providers/aws/resource_aws_efs_mount_targ...

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package aws
import (
"fmt"
"log"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/ec2"
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"github.com/aws/aws-sdk-go/service/efs"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceAwsEfsMountTarget() *schema.Resource {
return &schema.Resource{
Create: resourceAwsEfsMountTargetCreate,
Read: resourceAwsEfsMountTargetRead,
Update: resourceAwsEfsMountTargetUpdate,
Delete: resourceAwsEfsMountTargetDelete,
Schema: map[string]*schema.Schema{
"file_system_id": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"ip_address": &schema.Schema{
Type: schema.TypeString,
Computed: true,
Optional: true,
ForceNew: true,
},
"security_groups": &schema.Schema{
Type: schema.TypeSet,
Elem: &schema.Schema{Type: schema.TypeString},
Set: schema.HashString,
Computed: true,
Optional: true,
},
"subnet_id": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"network_interface_id": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
"dns_name": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
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},
}
}
func resourceAwsEfsMountTargetCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).efsconn
input := efs.CreateMountTargetInput{
FileSystemId: aws.String(d.Get("file_system_id").(string)),
SubnetId: aws.String(d.Get("subnet_id").(string)),
}
if v, ok := d.GetOk("ip_address"); ok {
input.IpAddress = aws.String(v.(string))
}
if v, ok := d.GetOk("security_groups"); ok {
input.SecurityGroups = expandStringList(v.(*schema.Set).List())
}
log.Printf("[DEBUG] Creating EFS mount target: %#v", input)
mt, err := conn.CreateMountTarget(&input)
if err != nil {
return err
}
d.SetId(*mt.MountTargetId)
stateConf := &resource.StateChangeConf{
Pending: []string{"creating"},
Target: []string{"available"},
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Refresh: func() (interface{}, string, error) {
resp, err := conn.DescribeMountTargets(&efs.DescribeMountTargetsInput{
MountTargetId: aws.String(d.Id()),
})
if err != nil {
return nil, "error", err
}
if len(resp.MountTargets) < 1 {
return nil, "error", fmt.Errorf("EFS mount target %q not found", d.Id())
}
mt := resp.MountTargets[0]
log.Printf("[DEBUG] Current status of %q: %q", *mt.MountTargetId, *mt.LifeCycleState)
return mt, *mt.LifeCycleState, nil
},
Timeout: 10 * time.Minute,
Delay: 2 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return fmt.Errorf("Error waiting for EFS mount target (%s) to create: %s", d.Id(), err)
}
log.Printf("[DEBUG] EFS mount target created: %s", *mt.MountTargetId)
return resourceAwsEfsMountTargetRead(d, meta)
}
func resourceAwsEfsMountTargetUpdate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).efsconn
if d.HasChange("security_groups") {
input := efs.ModifyMountTargetSecurityGroupsInput{
MountTargetId: aws.String(d.Id()),
SecurityGroups: expandStringList(d.Get("security_groups").(*schema.Set).List()),
}
_, err := conn.ModifyMountTargetSecurityGroups(&input)
if err != nil {
return err
}
}
return resourceAwsEfsMountTargetRead(d, meta)
}
func resourceAwsEfsMountTargetRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).efsconn
resp, err := conn.DescribeMountTargets(&efs.DescribeMountTargetsInput{
MountTargetId: aws.String(d.Id()),
})
if err != nil {
return err
}
if len(resp.MountTargets) < 1 {
return fmt.Errorf("EFS mount target %q not found", d.Id())
}
mt := resp.MountTargets[0]
log.Printf("[DEBUG] Found EFS mount target: %#v", mt)
d.SetId(*mt.MountTargetId)
d.Set("file_system_id", *mt.FileSystemId)
d.Set("ip_address", *mt.IpAddress)
d.Set("subnet_id", *mt.SubnetId)
d.Set("network_interface_id", *mt.NetworkInterfaceId)
sgResp, err := conn.DescribeMountTargetSecurityGroups(&efs.DescribeMountTargetSecurityGroupsInput{
MountTargetId: aws.String(d.Id()),
})
if err != nil {
return err
}
d.Set("security_groups", schema.NewSet(schema.HashString, flattenStringList(sgResp.SecurityGroups)))
// DNS name per http://docs.aws.amazon.com/efs/latest/ug/mounting-fs-mount-cmd-dns-name.html
az, err := getAzFromSubnetId(*mt.SubnetId, meta.(*AWSClient).ec2conn)
if err != nil {
return fmt.Errorf("Failed getting AZ from subnet ID (%s): %s", *mt.SubnetId, err)
}
region := meta.(*AWSClient).region
d.Set("dns_name", fmt.Sprintf("%s.%s.efs.%s.amazonaws.com", az, *mt.FileSystemId, region))
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return nil
}
func getAzFromSubnetId(subnetId string, conn *ec2.EC2) (string, error) {
input := ec2.DescribeSubnetsInput{
SubnetIds: []*string{aws.String(subnetId)},
}
out, err := conn.DescribeSubnets(&input)
if err != nil {
return "", err
}
if len(out.Subnets) != 1 {
return "", fmt.Errorf("Expected exactly 1 subnet returned for %q", subnetId)
}
return *out.Subnets[0].AvailabilityZone, nil
}
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func resourceAwsEfsMountTargetDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).efsconn
log.Printf("[DEBUG] Deleting EFS mount target %q", d.Id())
_, err := conn.DeleteMountTarget(&efs.DeleteMountTargetInput{
MountTargetId: aws.String(d.Id()),
})
if err != nil {
return err
}
stateConf := &resource.StateChangeConf{
Pending: []string{"available", "deleting", "deleted"},
Target: []string{},
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Refresh: func() (interface{}, string, error) {
resp, err := conn.DescribeMountTargets(&efs.DescribeMountTargetsInput{
MountTargetId: aws.String(d.Id()),
})
if err != nil {
awsErr, ok := err.(awserr.Error)
if !ok {
return nil, "error", err
}
if awsErr.Code() == "MountTargetNotFound" {
return nil, "", nil
}
return nil, "error", awsErr
}
if len(resp.MountTargets) < 1 {
return nil, "", nil
}
mt := resp.MountTargets[0]
log.Printf("[DEBUG] Current status of %q: %q", *mt.MountTargetId, *mt.LifeCycleState)
return mt, *mt.LifeCycleState, nil
},
Timeout: 10 * time.Minute,
Delay: 2 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return fmt.Errorf("Error waiting for EFS mount target (%q) to delete: %q",
d.Id(), err.Error())
}
log.Printf("[DEBUG] EFS mount target %q deleted.", d.Id())
return nil
}