terraform/builtin/providers/aws/resource_aws_opsworks_stack.go

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package aws
import (
"fmt"
"log"
"strings"
"time"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/opsworks"
)
func resourceAwsOpsworksStack() *schema.Resource {
return &schema.Resource{
Create: resourceAwsOpsworksStackCreate,
Read: resourceAwsOpsworksStackRead,
Update: resourceAwsOpsworksStackUpdate,
Delete: resourceAwsOpsworksStackDelete,
Schema: map[string]*schema.Schema{
"id": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"region": &schema.Schema{
Type: schema.TypeString,
ForceNew: true,
Required: true,
},
"service_role_arn": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"default_instance_profile_arn": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"color": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"configuration_manager_name": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: "Chef",
},
"configuration_manager_version": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: "11.4",
},
"manage_berkshelf": &schema.Schema{
Type: schema.TypeBool,
Optional: true,
Default: false,
},
"berkshelf_version": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: "3.2.0",
},
"custom_cookbooks_source": &schema.Schema{
Type: schema.TypeList,
Optional: true,
Computed: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"type": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"url": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"username": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"password": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"revision": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"ssh_key": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
},
},
},
"custom_json": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"default_availability_zone": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
"default_os": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: "Ubuntu 12.04 LTS",
},
"default_root_device_type": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: "instance-store",
},
"default_ssh_key_name": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"default_subnet_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
},
"hostname_theme": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: "Layer_Dependent",
},
"use_custom_cookbooks": &schema.Schema{
Type: schema.TypeBool,
Optional: true,
Default: false,
},
"use_opsworks_security_groups": &schema.Schema{
Type: schema.TypeBool,
Optional: true,
Default: true,
},
"vpc_id": &schema.Schema{
Type: schema.TypeString,
ForceNew: true,
Optional: true,
},
},
}
}
func resourceAwsOpsworksStackValidate(d *schema.ResourceData) error {
cookbooksSourceCount := d.Get("custom_cookbooks_source.#").(int)
if cookbooksSourceCount > 1 {
return fmt.Errorf("Only one custom_cookbooks_source is permitted")
}
vpcId := d.Get("vpc_id").(string)
if vpcId != "" {
if d.Get("default_subnet_id").(string) == "" {
return fmt.Errorf("default_subnet_id must be set if vpc_id is set")
}
} else {
if d.Get("default_availability_zone").(string) == "" {
return fmt.Errorf("either vpc_id or default_availability_zone must be set")
}
}
return nil
}
func resourceAwsOpsworksStackCustomCookbooksSource(d *schema.ResourceData) *opsworks.Source {
count := d.Get("custom_cookbooks_source.#").(int)
if count == 0 {
return nil
}
return &opsworks.Source{
Type: aws.String(d.Get("custom_cookbooks_source.0.type").(string)),
Url: aws.String(d.Get("custom_cookbooks_source.0.url").(string)),
Username: aws.String(d.Get("custom_cookbooks_source.0.username").(string)),
Password: aws.String(d.Get("custom_cookbooks_source.0.password").(string)),
Revision: aws.String(d.Get("custom_cookbooks_source.0.revision").(string)),
SshKey: aws.String(d.Get("custom_cookbooks_source.0.ssh_key").(string)),
}
}
func resourceAwsOpsworksSetStackCustomCookbooksSource(d *schema.ResourceData, v *opsworks.Source) {
nv := make([]interface{}, 0, 1)
if v != nil {
m := make(map[string]interface{})
if v.Type != nil {
m["type"] = *v.Type
}
if v.Url != nil {
m["url"] = *v.Url
}
if v.Username != nil {
m["username"] = *v.Username
}
if v.Revision != nil {
m["revision"] = *v.Revision
}
// v.Password will, on read, contain the placeholder string
// "*****FILTERED*****", so we ignore it on read and let persist
// the value already in the state.
nv = append(nv, m)
}
err := d.Set("custom_cookbooks_source", nv)
if err != nil {
// should never happen
panic(err)
}
}
func resourceAwsOpsworksStackRead(d *schema.ResourceData, meta interface{}) error {
client := meta.(*AWSClient).opsworksconn
req := &opsworks.DescribeStacksInput{
StackIds: []*string{
aws.String(d.Id()),
},
}
log.Printf("[DEBUG] Reading OpsWorks stack: %s", d.Id())
resp, err := client.DescribeStacks(req)
if err != nil {
if awserr, ok := err.(awserr.Error); ok {
if awserr.Code() == "ResourceNotFoundException" {
log.Printf("[DEBUG] OpsWorks stack (%s) not found", d.Id())
d.SetId("")
return nil
}
}
return err
}
stack := resp.Stacks[0]
d.Set("name", stack.Name)
d.Set("region", stack.Region)
d.Set("default_instance_profile_arn", stack.DefaultInstanceProfileArn)
d.Set("service_role_arn", stack.ServiceRoleArn)
d.Set("default_availability_zone", stack.DefaultAvailabilityZone)
d.Set("default_os", stack.DefaultOs)
d.Set("default_root_device_type", stack.DefaultRootDeviceType)
d.Set("default_ssh_key_name", stack.DefaultSshKeyName)
d.Set("default_subnet_id", stack.DefaultSubnetId)
d.Set("hostname_theme", stack.HostnameTheme)
d.Set("use_custom_cookbooks", stack.UseCustomCookbooks)
d.Set("use_opsworks_security_groups", stack.UseOpsworksSecurityGroups)
d.Set("vpc_id", stack.VpcId)
if color, ok := stack.Attributes["Color"]; ok {
d.Set("color", color)
}
if stack.ConfigurationManager != nil {
d.Set("configuration_manager_name", stack.ConfigurationManager.Name)
d.Set("configuration_manager_version", stack.ConfigurationManager.Version)
}
if stack.ChefConfiguration != nil {
d.Set("berkshelf_version", stack.ChefConfiguration.BerkshelfVersion)
d.Set("manage_berkshelf", stack.ChefConfiguration.ManageBerkshelf)
}
resourceAwsOpsworksSetStackCustomCookbooksSource(d, stack.CustomCookbooksSource)
return nil
}
func resourceAwsOpsworksStackCreate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*AWSClient).opsworksconn
err := resourceAwsOpsworksStackValidate(d)
if err != nil {
return err
}
req := &opsworks.CreateStackInput{
DefaultInstanceProfileArn: aws.String(d.Get("default_instance_profile_arn").(string)),
Name: aws.String(d.Get("name").(string)),
Region: aws.String(d.Get("region").(string)),
ServiceRoleArn: aws.String(d.Get("service_role_arn").(string)),
DefaultOs: aws.String(d.Get("default_os").(string)),
UseOpsworksSecurityGroups: aws.Bool(d.Get("use_opsworks_security_groups").(bool)),
}
inVpc := false
if vpcId, ok := d.GetOk("vpc_id"); ok {
req.VpcId = aws.String(vpcId.(string))
inVpc = true
}
if defaultSubnetId, ok := d.GetOk("default_subnet_id"); ok {
req.DefaultSubnetId = aws.String(defaultSubnetId.(string))
}
if defaultAvailabilityZone, ok := d.GetOk("default_availability_zone"); ok {
req.DefaultAvailabilityZone = aws.String(defaultAvailabilityZone.(string))
}
log.Printf("[DEBUG] Creating OpsWorks stack: %s", req)
var resp *opsworks.CreateStackOutput
err = resource.Retry(20*time.Minute, func() *resource.RetryError {
var cerr error
resp, cerr = client.CreateStack(req)
if cerr != nil {
if opserr, ok := cerr.(awserr.Error); ok {
// If Terraform is also managing the service IAM role,
// it may have just been created and not yet be
// propagated.
// AWS doesn't provide a machine-readable code for this
// specific error, so we're forced to do fragile message
// matching.
// The full error we're looking for looks something like
// the following:
// Service Role Arn: [...] is not yet propagated, please try again in a couple of minutes
propErr := "not yet propagated"
trustErr := "not the necessary trust relationship"
validateErr := "validate IAM role permission"
if opserr.Code() == "ValidationException" && (strings.Contains(opserr.Message(), trustErr) || strings.Contains(opserr.Message(), propErr) || strings.Contains(opserr.Message(), validateErr)) {
log.Printf("[INFO] Waiting for service IAM role to propagate")
return resource.RetryableError(cerr)
}
}
return resource.NonRetryableError(cerr)
}
return nil
})
if err != nil {
return err
}
stackId := *resp.StackId
d.SetId(stackId)
d.Set("id", stackId)
if inVpc && *req.UseOpsworksSecurityGroups {
// For VPC-based stacks, OpsWorks asynchronously creates some default
// security groups which must exist before layers can be created.
// Unfortunately it doesn't tell us what the ids of these are, so
// we can't actually check for them. Instead, we just wait a nominal
// amount of time for their creation to complete.
log.Print("[INFO] Waiting for OpsWorks built-in security groups to be created")
time.Sleep(30 * time.Second)
}
return resourceAwsOpsworksStackUpdate(d, meta)
}
func resourceAwsOpsworksStackUpdate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*AWSClient).opsworksconn
err := resourceAwsOpsworksStackValidate(d)
if err != nil {
return err
}
req := &opsworks.UpdateStackInput{
CustomJson: aws.String(d.Get("custom_json").(string)),
DefaultInstanceProfileArn: aws.String(d.Get("default_instance_profile_arn").(string)),
DefaultRootDeviceType: aws.String(d.Get("default_root_device_type").(string)),
DefaultSshKeyName: aws.String(d.Get("default_ssh_key_name").(string)),
Name: aws.String(d.Get("name").(string)),
ServiceRoleArn: aws.String(d.Get("service_role_arn").(string)),
StackId: aws.String(d.Id()),
UseCustomCookbooks: aws.Bool(d.Get("use_custom_cookbooks").(bool)),
UseOpsworksSecurityGroups: aws.Bool(d.Get("use_opsworks_security_groups").(bool)),
Attributes: make(map[string]*string),
CustomCookbooksSource: resourceAwsOpsworksStackCustomCookbooksSource(d),
}
if v, ok := d.GetOk("default_os"); ok {
req.DefaultOs = aws.String(v.(string))
}
if v, ok := d.GetOk("default_subnet_id"); ok {
req.DefaultSubnetId = aws.String(v.(string))
}
if v, ok := d.GetOk("default_availability_zone"); ok {
req.DefaultAvailabilityZone = aws.String(v.(string))
}
if v, ok := d.GetOk("hostname_theme"); ok {
req.HostnameTheme = aws.String(v.(string))
}
if v, ok := d.GetOk("color"); ok {
req.Attributes["Color"] = aws.String(v.(string))
}
req.ChefConfiguration = &opsworks.ChefConfiguration{
BerkshelfVersion: aws.String(d.Get("berkshelf_version").(string)),
ManageBerkshelf: aws.Bool(d.Get("manage_berkshelf").(bool)),
}
req.ConfigurationManager = &opsworks.StackConfigurationManager{
Name: aws.String(d.Get("configuration_manager_name").(string)),
Version: aws.String(d.Get("configuration_manager_version").(string)),
}
log.Printf("[DEBUG] Updating OpsWorks stack: %s", req)
_, err = client.UpdateStack(req)
if err != nil {
return err
}
return resourceAwsOpsworksStackRead(d, meta)
}
func resourceAwsOpsworksStackDelete(d *schema.ResourceData, meta interface{}) error {
client := meta.(*AWSClient).opsworksconn
req := &opsworks.DeleteStackInput{
StackId: aws.String(d.Id()),
}
log.Printf("[DEBUG] Deleting OpsWorks stack: %s", d.Id())
_, err := client.DeleteStack(req)
if err != nil {
return err
}
// For a stack in a VPC, OpsWorks has created some default security groups
// in the VPC, which it will now delete.
// Unfortunately, the security groups are deleted asynchronously and there
// is no robust way for us to determine when it is done. The VPC itself
// isn't deletable until the security groups are cleaned up, so this could
// make 'terraform destroy' fail if the VPC is also managed and we don't
// wait for the security groups to be deleted.
// There is no robust way to check for this, so we'll just wait a
// nominal amount of time.
_, inVpc := d.GetOk("vpc_id")
_, useOpsworksDefaultSg := d.GetOk("use_opsworks_security_group")
if inVpc && useOpsworksDefaultSg {
log.Print("[INFO] Waiting for Opsworks built-in security groups to be deleted")
time.Sleep(30 * time.Second)
}
return nil
}