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resource_aws_ssm_document.go
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resource_aws_ssm_document.go
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package aws
import (
"fmt"
"log"
"strconv"
"strings"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/ssm"
"github.com/hashicorp/errwrap"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
)
const (
MINIMUM_VERSIONED_SCHEMA = 2.0
)
func resourceAwsSsmDocument() *schema.Resource {
return &schema.Resource{
Create: resourceAwsSsmDocumentCreate,
Read: resourceAwsSsmDocumentRead,
Update: resourceAwsSsmDocumentUpdate,
Delete: resourceAwsSsmDocumentDelete,
Schema: map[string]*schema.Schema{
"arn": {
Type: schema.TypeString,
Computed: true,
},
"name": {
Type: schema.TypeString,
Required: true,
},
"content": {
Type: schema.TypeString,
Required: true,
},
"document_type": {
Type: schema.TypeString,
Required: true,
ValidateFunc: validateAwsSSMDocumentType,
},
"schema_version": {
Type: schema.TypeString,
Computed: true,
},
"created_date": {
Type: schema.TypeString,
Computed: true,
},
"default_version": {
Type: schema.TypeString,
Computed: true,
},
"description": {
Type: schema.TypeString,
Computed: true,
},
"hash": {
Type: schema.TypeString,
Computed: true,
},
"hash_type": {
Type: schema.TypeString,
Computed: true,
},
"latest_version": {
Type: schema.TypeString,
Computed: true,
},
"owner": {
Type: schema.TypeString,
Computed: true,
},
"status": {
Type: schema.TypeString,
Computed: true,
},
"platform_types": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
"parameter": {
Type: schema.TypeList,
Computed: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Optional: true,
},
"default_value": {
Type: schema.TypeString,
Optional: true,
},
"description": {
Type: schema.TypeString,
Optional: true,
},
"type": {
Type: schema.TypeString,
Optional: true,
},
},
},
},
"permissions": {
Type: schema.TypeMap,
Optional: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"type": {
Type: schema.TypeString,
Required: true,
},
"account_ids": {
Type: schema.TypeString,
Required: true,
},
},
},
},
},
}
}
func resourceAwsSsmDocumentCreate(d *schema.ResourceData, meta interface{}) error {
ssmconn := meta.(*AWSClient).ssmconn
log.Printf("[INFO] Creating SSM Document: %s", d.Get("name").(string))
docInput := &ssm.CreateDocumentInput{
Name: aws.String(d.Get("name").(string)),
Content: aws.String(d.Get("content").(string)),
DocumentType: aws.String(d.Get("document_type").(string)),
}
log.Printf("[DEBUG] Waiting for SSM Document %q to be created", d.Get("name").(string))
err := resource.Retry(5*time.Minute, func() *resource.RetryError {
resp, err := ssmconn.CreateDocument(docInput)
if err != nil {
return resource.NonRetryableError(err)
}
d.SetId(*resp.DocumentDescription.Name)
return nil
})
if err != nil {
return errwrap.Wrapf("[ERROR] Error creating SSM document: {{err}}", err)
}
if v, ok := d.GetOk("permissions"); ok && v != nil {
if err := setDocumentPermissions(d, meta); err != nil {
return err
}
} else {
log.Printf("[DEBUG] Not setting permissions for %q", d.Id())
}
return resourceAwsSsmDocumentRead(d, meta)
}
func resourceAwsSsmDocumentRead(d *schema.ResourceData, meta interface{}) error {
ssmconn := meta.(*AWSClient).ssmconn
log.Printf("[DEBUG] Reading SSM Document: %s", d.Id())
docInput := &ssm.DescribeDocumentInput{
Name: aws.String(d.Get("name").(string)),
}
resp, err := ssmconn.DescribeDocument(docInput)
if err != nil {
if ssmErr, ok := err.(awserr.Error); ok && ssmErr.Code() == "InvalidDocument" {
log.Printf("[WARN] SSM Document not found so removing from state")
d.SetId("")
return nil
}
return errwrap.Wrapf("[ERROR] Error describing SSM document: {{err}}", err)
}
doc := resp.Document
d.Set("created_date", doc.CreatedDate)
d.Set("default_version", doc.DefaultVersion)
d.Set("description", doc.Description)
d.Set("schema_version", doc.SchemaVersion)
if _, ok := d.GetOk("document_type"); ok {
d.Set("document_type", doc.DocumentType)
}
d.Set("document_version", doc.DocumentVersion)
d.Set("hash", doc.Hash)
d.Set("hash_type", doc.HashType)
d.Set("latest_version", doc.LatestVersion)
d.Set("name", doc.Name)
d.Set("owner", doc.Owner)
d.Set("platform_types", flattenStringList(doc.PlatformTypes))
if err := d.Set("arn", flattenAwsSsmDocumentArn(meta, doc.Name)); err != nil {
return fmt.Errorf("[DEBUG] Error setting arn error: %#v", err)
}
d.Set("status", doc.Status)
gp, err := getDocumentPermissions(d, meta)
if err != nil {
return errwrap.Wrapf("[ERROR] Error reading SSM document permissions: {{err}}", err)
}
d.Set("permissions", gp)
params := make([]map[string]interface{}, 0)
for i := 0; i < len(doc.Parameters); i++ {
dp := doc.Parameters[i]
param := make(map[string]interface{})
if dp.DefaultValue != nil {
param["default_value"] = *dp.DefaultValue
}
if dp.Description != nil {
param["description"] = *dp.Description
}
if dp.Name != nil {
param["name"] = *dp.Name
}
if dp.Type != nil {
param["type"] = *dp.Type
}
params = append(params, param)
}
if len(params) == 0 {
params = make([]map[string]interface{}, 1)
}
if err := d.Set("parameter", params); err != nil {
return err
}
return nil
}
func flattenAwsSsmDocumentArn(meta interface{}, docName *string) string {
region := meta.(*AWSClient).region
return fmt.Sprintf("arn:aws:ssm:%s::document/%s", region, *docName)
}
func resourceAwsSsmDocumentUpdate(d *schema.ResourceData, meta interface{}) error {
if _, ok := d.GetOk("permissions"); ok {
if err := setDocumentPermissions(d, meta); err != nil {
return err
}
} else {
log.Printf("[DEBUG] Not setting document permissions on %q", d.Id())
}
if !d.HasChange("content") {
return nil
}
if schemaVersion, ok := d.GetOk("schemaVersion"); ok {
schemaNumber, _ := strconv.ParseFloat(schemaVersion.(string), 64)
if schemaNumber < MINIMUM_VERSIONED_SCHEMA {
log.Printf("[DEBUG] Skipping document update because document version is not 2.0 %q", d.Id())
return nil
}
}
if err := updateAwsSSMDocument(d, meta); err != nil {
return err
}
return resourceAwsSsmDocumentRead(d, meta)
}
func resourceAwsSsmDocumentDelete(d *schema.ResourceData, meta interface{}) error {
ssmconn := meta.(*AWSClient).ssmconn
if err := deleteDocumentPermissions(d, meta); err != nil {
return err
}
log.Printf("[INFO] Deleting SSM Document: %s", d.Id())
params := &ssm.DeleteDocumentInput{
Name: aws.String(d.Get("name").(string)),
}
_, err := ssmconn.DeleteDocument(params)
if err != nil {
return err
}
log.Printf("[DEBUG] Waiting for SSM Document %q to be deleted", d.Get("name").(string))
err = resource.Retry(10*time.Minute, func() *resource.RetryError {
_, err := ssmconn.DescribeDocument(&ssm.DescribeDocumentInput{
Name: aws.String(d.Get("name").(string)),
})
if err != nil {
awsErr, ok := err.(awserr.Error)
if !ok {
return resource.NonRetryableError(err)
}
if awsErr.Code() == "InvalidDocument" {
return nil
}
return resource.NonRetryableError(err)
}
return resource.RetryableError(
fmt.Errorf("%q: Timeout while waiting for the document to be deleted", d.Id()))
})
if err != nil {
return err
}
d.SetId("")
return nil
}
func setDocumentPermissions(d *schema.ResourceData, meta interface{}) error {
ssmconn := meta.(*AWSClient).ssmconn
log.Printf("[INFO] Setting permissions for document: %s", d.Id())
permission := d.Get("permissions").(map[string]interface{})
ids := aws.StringSlice([]string{permission["account_ids"].(string)})
if strings.Contains(permission["account_ids"].(string), ",") {
ids = aws.StringSlice(strings.Split(permission["account_ids"].(string), ","))
}
permInput := &ssm.ModifyDocumentPermissionInput{
Name: aws.String(d.Get("name").(string)),
PermissionType: aws.String(permission["type"].(string)),
AccountIdsToAdd: ids,
}
_, err := ssmconn.ModifyDocumentPermission(permInput)
if err != nil {
return errwrap.Wrapf("[ERROR] Error setting permissions for SSM document: {{err}}", err)
}
return nil
}
func getDocumentPermissions(d *schema.ResourceData, meta interface{}) (map[string]interface{}, error) {
ssmconn := meta.(*AWSClient).ssmconn
log.Printf("[INFO] Getting permissions for document: %s", d.Id())
//How to get from nested scheme resource?
permissionType := "Share"
permInput := &ssm.DescribeDocumentPermissionInput{
Name: aws.String(d.Get("name").(string)),
PermissionType: aws.String(permissionType),
}
resp, err := ssmconn.DescribeDocumentPermission(permInput)
if err != nil {
return nil, errwrap.Wrapf("[ERROR] Error setting permissions for SSM document: {{err}}", err)
}
var account_ids = make([]string, len(resp.AccountIds))
for i := 0; i < len(resp.AccountIds); i++ {
account_ids[i] = *resp.AccountIds[i]
}
var ids = ""
if len(account_ids) == 1 {
ids = account_ids[0]
} else if len(account_ids) > 1 {
ids = strings.Join(account_ids, ",")
} else {
ids = ""
}
if ids == "" {
return nil, nil
}
perms := make(map[string]interface{})
perms["type"] = permissionType
perms["account_ids"] = ids
return perms, nil
}
func deleteDocumentPermissions(d *schema.ResourceData, meta interface{}) error {
ssmconn := meta.(*AWSClient).ssmconn
log.Printf("[INFO] Removing permissions from document: %s", d.Id())
permInput := &ssm.ModifyDocumentPermissionInput{
Name: aws.String(d.Get("name").(string)),
PermissionType: aws.String("Share"),
AccountIdsToRemove: aws.StringSlice(strings.Split("all", ",")),
}
_, err := ssmconn.ModifyDocumentPermission(permInput)
if err != nil {
return errwrap.Wrapf("[ERROR] Error removing permissions for SSM document: {{err}}", err)
}
return nil
}
func updateAwsSSMDocument(d *schema.ResourceData, meta interface{}) error {
log.Printf("[INFO] Updating SSM Document: %s", d.Id())
name := d.Get("name").(string)
updateDocInput := &ssm.UpdateDocumentInput{
Name: aws.String(name),
Content: aws.String(d.Get("content").(string)),
DocumentVersion: aws.String(d.Get("default_version").(string)),
}
newDefaultVersion := d.Get("default_version").(string)
ssmconn := meta.(*AWSClient).ssmconn
updated, err := ssmconn.UpdateDocument(updateDocInput)
if isAWSErr(err, "DuplicateDocumentContent", "") {
log.Printf("[DEBUG] Content is a duplicate of the latest version so update is not necessary: %s", d.Id())
log.Printf("[INFO] Updating the default version to the latest version %s: %s", newDefaultVersion, d.Id())
newDefaultVersion = d.Get("latest_version").(string)
} else if err != nil {
return errwrap.Wrapf("Error updating SSM document: {{err}}", err)
} else {
log.Printf("[INFO] Updating the default version to the new version %s: %s", newDefaultVersion, d.Id())
newDefaultVersion = *updated.DocumentDescription.DocumentVersion
}
updateDefaultInput := &ssm.UpdateDocumentDefaultVersionInput{
Name: aws.String(name),
DocumentVersion: aws.String(newDefaultVersion),
}
_, err = ssmconn.UpdateDocumentDefaultVersion(updateDefaultInput)
if err != nil {
return errwrap.Wrapf("Error updating the default document version to that of the updated document: {{err}}", err)
}
return nil
}
func validateAwsSSMDocumentType(v interface{}, k string) (ws []string, errors []error) {
value := v.(string)
types := map[string]bool{
"Command": true,
"Policy": true,
"Automation": true,
}
if !types[value] {
errors = append(errors, fmt.Errorf("Document type %s is invalid. Valid types are Command, Policy or Automation", value))
}
return
}