303 lines
7.9 KiB
Go
303 lines
7.9 KiB
Go
package aws
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import (
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"bytes"
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"fmt"
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"log"
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"time"
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"github.com/hashicorp/terraform/helper/hashcode"
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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/configservice"
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)
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func resourceAwsConfigConfigRule() *schema.Resource {
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return &schema.Resource{
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Create: resourceAwsConfigConfigRulePut,
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Read: resourceAwsConfigConfigRuleRead,
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Update: resourceAwsConfigConfigRulePut,
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Delete: resourceAwsConfigConfigRuleDelete,
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Importer: &schema.ResourceImporter{
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State: schema.ImportStatePassthrough,
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},
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Schema: map[string]*schema.Schema{
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"name": {
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Type: schema.TypeString,
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Required: true,
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ValidateFunc: validateMaxLength(64),
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},
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"rule_id": {
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Type: schema.TypeString,
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Computed: true,
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},
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"arn": {
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Type: schema.TypeString,
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Computed: true,
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},
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"description": {
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Type: schema.TypeString,
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Optional: true,
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ValidateFunc: validateMaxLength(256),
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},
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"input_parameters": {
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Type: schema.TypeString,
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Optional: true,
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ValidateFunc: validateJsonString,
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},
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"maximum_execution_frequency": {
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Type: schema.TypeString,
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Optional: true,
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ValidateFunc: validateConfigExecutionFrequency,
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},
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"scope": {
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Type: schema.TypeList,
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MaxItems: 1,
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Optional: true,
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Elem: &schema.Resource{
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Schema: map[string]*schema.Schema{
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"compliance_resource_id": {
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Type: schema.TypeString,
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Optional: true,
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ValidateFunc: validateMaxLength(256),
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},
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"compliance_resource_types": {
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Type: schema.TypeSet,
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Optional: true,
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MaxItems: 100,
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Elem: &schema.Schema{
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Type: schema.TypeString,
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ValidateFunc: validateMaxLength(256),
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},
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Set: schema.HashString,
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},
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"tag_key": {
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Type: schema.TypeString,
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Optional: true,
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ValidateFunc: validateMaxLength(128),
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},
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"tag_value": {
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Type: schema.TypeString,
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Optional: true,
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ValidateFunc: validateMaxLength(256),
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},
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},
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},
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},
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"source": {
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Type: schema.TypeList,
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MaxItems: 1,
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Required: true,
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Elem: &schema.Resource{
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Schema: map[string]*schema.Schema{
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"owner": {
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Type: schema.TypeString,
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Required: true,
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ValidateFunc: validateConfigRuleSourceOwner,
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},
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"source_detail": {
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Type: schema.TypeSet,
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Set: configRuleSourceDetailsHash,
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Optional: true,
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MaxItems: 25,
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Elem: &schema.Resource{
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Schema: map[string]*schema.Schema{
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"event_source": {
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Type: schema.TypeString,
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Optional: true,
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Default: "aws.config",
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},
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"maximum_execution_frequency": {
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Type: schema.TypeString,
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Optional: true,
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ValidateFunc: validateConfigExecutionFrequency,
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},
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"message_type": {
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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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"source_identifier": {
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Type: schema.TypeString,
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Required: true,
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ValidateFunc: validateMaxLength(256),
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},
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},
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},
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},
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},
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}
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}
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func resourceAwsConfigConfigRulePut(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).configconn
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name := d.Get("name").(string)
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ruleInput := configservice.ConfigRule{
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ConfigRuleName: aws.String(name),
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Source: expandConfigRuleSource(d.Get("source").([]interface{})),
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}
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scopes := d.Get("scope").([]interface{})
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if len(scopes) > 0 {
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ruleInput.Scope = expandConfigRuleScope(scopes[0].(map[string]interface{}))
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}
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if v, ok := d.GetOk("description"); ok {
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ruleInput.Description = aws.String(v.(string))
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}
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if v, ok := d.GetOk("input_parameters"); ok {
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ruleInput.InputParameters = aws.String(v.(string))
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}
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if v, ok := d.GetOk("maximum_execution_frequency"); ok {
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ruleInput.MaximumExecutionFrequency = aws.String(v.(string))
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}
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input := configservice.PutConfigRuleInput{
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ConfigRule: &ruleInput,
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}
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log.Printf("[DEBUG] Creating AWSConfig config rule: %s", input)
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err := resource.Retry(2*time.Minute, func() *resource.RetryError {
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_, err := conn.PutConfigRule(&input)
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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() == "InsufficientPermissionsException" {
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// IAM is eventually consistent
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return resource.RetryableError(err)
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}
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}
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return resource.NonRetryableError(fmt.Errorf("Failed to create AWSConfig rule: %s", err))
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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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d.SetId(name)
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log.Printf("[DEBUG] AWSConfig config rule %q created", name)
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return resourceAwsConfigConfigRuleRead(d, meta)
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}
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func resourceAwsConfigConfigRuleRead(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).configconn
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out, err := conn.DescribeConfigRules(&configservice.DescribeConfigRulesInput{
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ConfigRuleNames: []*string{aws.String(d.Id())},
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})
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if err != nil {
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if awsErr, ok := err.(awserr.Error); ok && awsErr.Code() == "NoSuchConfigRuleException" {
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log.Printf("[WARN] Config Rule %q is gone (NoSuchConfigRuleException)", d.Id())
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d.SetId("")
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return nil
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}
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return err
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}
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numberOfRules := len(out.ConfigRules)
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if numberOfRules < 1 {
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log.Printf("[WARN] Config Rule %q is gone (no rules found)", d.Id())
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d.SetId("")
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return nil
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}
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if numberOfRules > 1 {
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return fmt.Errorf("Expected exactly 1 Config Rule, received %d: %#v",
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numberOfRules, out.ConfigRules)
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}
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log.Printf("[DEBUG] AWS Config config rule received: %s", out)
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rule := out.ConfigRules[0]
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d.Set("arn", rule.ConfigRuleArn)
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d.Set("rule_id", rule.ConfigRuleId)
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d.Set("name", rule.ConfigRuleName)
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d.Set("description", rule.Description)
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d.Set("input_parameters", rule.InputParameters)
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d.Set("maximum_execution_frequency", rule.MaximumExecutionFrequency)
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if rule.Scope != nil {
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d.Set("scope", flattenConfigRuleScope(rule.Scope))
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}
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d.Set("source", flattenConfigRuleSource(rule.Source))
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return nil
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}
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func resourceAwsConfigConfigRuleDelete(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).configconn
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name := d.Get("name").(string)
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log.Printf("[DEBUG] Deleting AWS Config config rule %q", name)
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_, err := conn.DeleteConfigRule(&configservice.DeleteConfigRuleInput{
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ConfigRuleName: aws.String(name),
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})
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if err != nil {
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return fmt.Errorf("Deleting Config Rule failed: %s", err)
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}
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conf := resource.StateChangeConf{
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Pending: []string{
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configservice.ConfigRuleStateActive,
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configservice.ConfigRuleStateDeleting,
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configservice.ConfigRuleStateDeletingResults,
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configservice.ConfigRuleStateEvaluating,
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},
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Target: []string{""},
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Timeout: 5 * time.Minute,
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Refresh: func() (interface{}, string, error) {
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out, err := conn.DescribeConfigRules(&configservice.DescribeConfigRulesInput{
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ConfigRuleNames: []*string{aws.String(d.Id())},
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})
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if err != nil {
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if awsErr, ok := err.(awserr.Error); ok && awsErr.Code() == "NoSuchConfigRuleException" {
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return 42, "", nil
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}
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return 42, "", fmt.Errorf("Failed to describe config rule %q: %s", d.Id(), err)
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}
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if len(out.ConfigRules) < 1 {
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return 42, "", nil
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}
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rule := out.ConfigRules[0]
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return out, *rule.ConfigRuleState, nil
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},
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}
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_, err = conf.WaitForState()
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if err != nil {
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return err
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}
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log.Printf("[DEBUG] AWS Config config rule %q deleted", name)
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d.SetId("")
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return nil
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}
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func configRuleSourceDetailsHash(v interface{}) int {
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var buf bytes.Buffer
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m := v.(map[string]interface{})
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if v, ok := m["message_type"]; ok {
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buf.WriteString(fmt.Sprintf("%s-", v.(string)))
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}
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if v, ok := m["event_source"]; ok {
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buf.WriteString(fmt.Sprintf("%s-", v.(string)))
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}
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if v, ok := m["maximum_execution_frequency"]; ok {
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buf.WriteString(fmt.Sprintf("%s-", v.(string)))
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}
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return hashcode.String(buf.String())
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}
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