178 lines
5.6 KiB
Go
178 lines
5.6 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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"strings"
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"time"
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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/cloudwatchlogs"
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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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)
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func resourceAwsCloudwatchLogSubscriptionFilter() *schema.Resource {
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return &schema.Resource{
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Create: resourceAwsCloudwatchLogSubscriptionFilterCreate,
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Read: resourceAwsCloudwatchLogSubscriptionFilterRead,
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Update: resourceAwsCloudwatchLogSubscriptionFilterUpdate,
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Delete: resourceAwsCloudwatchLogSubscriptionFilterDelete,
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Schema: map[string]*schema.Schema{
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"name": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"destination_arn": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"filter_pattern": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: false,
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},
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"log_group_name": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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},
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"role_arn": &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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},
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}
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}
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func resourceAwsCloudwatchLogSubscriptionFilterCreate(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).cloudwatchlogsconn
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params := getAwsCloudWatchLogsSubscriptionFilterInput(d)
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log.Printf("[DEBUG] Creating SubscriptionFilter %#v", params)
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return resource.Retry(3*time.Minute, func() *resource.RetryError {
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_, err := conn.PutSubscriptionFilter(¶ms)
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if err == nil {
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d.SetId(cloudwatchLogsSubscriptionFilterId(d.Get("log_group_name").(string)))
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log.Printf("[DEBUG] Cloudwatch logs subscription %q created", d.Id())
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}
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awsErr, ok := err.(awserr.Error)
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if !ok {
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return resource.RetryableError(err)
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}
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if awsErr.Code() == "InvalidParameterException" {
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log.Printf("[DEBUG] Caught message: %q, code: %q: Retrying", awsErr.Message(), awsErr.Code())
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if strings.Contains(awsErr.Message(), "Could not deliver test message to specified") {
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return resource.RetryableError(err)
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}
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resource.NonRetryableError(err)
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}
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return resource.NonRetryableError(err)
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})
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}
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func resourceAwsCloudwatchLogSubscriptionFilterUpdate(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).cloudwatchlogsconn
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params := getAwsCloudWatchLogsSubscriptionFilterInput(d)
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log.Printf("[DEBUG] Update SubscriptionFilter %#v", params)
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_, err := conn.PutSubscriptionFilter(¶ms)
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if err != nil {
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if awsErr, ok := err.(awserr.Error); ok {
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return fmt.Errorf("[WARN] Error updating SubscriptionFilter (%s) for LogGroup (%s), message: \"%s\", code: \"%s\"",
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d.Get("name").(string), d.Get("log_group_name").(string), awsErr.Message(), awsErr.Code())
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}
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return err
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}
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d.SetId(cloudwatchLogsSubscriptionFilterId(d.Get("log_group_name").(string)))
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return resourceAwsCloudwatchLogSubscriptionFilterRead(d, meta)
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}
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func getAwsCloudWatchLogsSubscriptionFilterInput(d *schema.ResourceData) cloudwatchlogs.PutSubscriptionFilterInput {
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name := d.Get("name").(string)
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destination_arn := d.Get("destination_arn").(string)
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filter_pattern := d.Get("filter_pattern").(string)
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log_group_name := d.Get("log_group_name").(string)
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params := cloudwatchlogs.PutSubscriptionFilterInput{
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FilterName: aws.String(name),
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DestinationArn: aws.String(destination_arn),
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FilterPattern: aws.String(filter_pattern),
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LogGroupName: aws.String(log_group_name),
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}
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if _, ok := d.GetOk("role_arn"); ok {
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params.RoleArn = aws.String(d.Get("role_arn").(string))
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}
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return params
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}
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func resourceAwsCloudwatchLogSubscriptionFilterRead(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).cloudwatchlogsconn
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log_group_name := d.Get("log_group_name").(string)
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name := d.Get("name").(string) // "name" is a required field in the schema
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req := &cloudwatchlogs.DescribeSubscriptionFiltersInput{
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LogGroupName: aws.String(log_group_name),
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FilterNamePrefix: aws.String(name),
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}
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resp, err := conn.DescribeSubscriptionFilters(req)
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if err != nil {
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return fmt.Errorf("Error reading SubscriptionFilters for log group %s with name prefix %s: %#v", log_group_name, d.Get("name").(string), err)
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}
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for _, subscriptionFilter := range resp.SubscriptionFilters {
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if *subscriptionFilter.LogGroupName == log_group_name {
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d.SetId(cloudwatchLogsSubscriptionFilterId(log_group_name))
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return nil // OK, matching subscription filter found
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}
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}
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log.Printf("[DEBUG] Subscription Filter%q Not Found", name)
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d.SetId("")
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return nil
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}
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func resourceAwsCloudwatchLogSubscriptionFilterDelete(d *schema.ResourceData, meta interface{}) error {
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conn := meta.(*AWSClient).cloudwatchlogsconn
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log.Printf("[INFO] Deleting CloudWatch Log Group Subscription: %s", d.Id())
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log_group_name := d.Get("log_group_name").(string)
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name := d.Get("name").(string)
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params := &cloudwatchlogs.DeleteSubscriptionFilterInput{
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FilterName: aws.String(name), // Required
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LogGroupName: aws.String(log_group_name), // Required
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}
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_, err := conn.DeleteSubscriptionFilter(params)
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if err != nil {
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return fmt.Errorf(
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"Error deleting Subscription Filter from log group: %s with name filter name %s", log_group_name, name)
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}
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d.SetId("")
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return nil
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}
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func cloudwatchLogsSubscriptionFilterId(log_group_name string) string {
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var buf bytes.Buffer
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buf.WriteString(fmt.Sprintf("%s-", log_group_name)) // only one filter allowed per log_group_name at the moment
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return fmt.Sprintf("cwlsf-%d", hashcode.String(buf.String()))
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}
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