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