328 lines
11 KiB
Go
328 lines
11 KiB
Go
package aws
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import (
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"fmt"
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"regexp"
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"testing"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/service/cloudwatch"
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"github.com/hashicorp/terraform/helper/acctest"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/terraform"
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)
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func TestAccAWSCloudWatchMetricAlarm_basic(t *testing.T) {
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var alarm cloudwatch.MetricAlarm
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rInt := acctest.RandInt()
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resource.Test(t, resource.TestCase{
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PreCheck: func() { testAccPreCheck(t) },
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Providers: testAccProviders,
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CheckDestroy: testAccCheckAWSCloudWatchMetricAlarmDestroy,
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Steps: []resource.TestStep{
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{
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Config: testAccAWSCloudWatchMetricAlarmConfig(rInt),
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Check: resource.ComposeTestCheckFunc(
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testAccCheckCloudWatchMetricAlarmExists("aws_cloudwatch_metric_alarm.foobar", &alarm),
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resource.TestCheckResourceAttr("aws_cloudwatch_metric_alarm.foobar", "metric_name", "CPUUtilization"),
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resource.TestCheckResourceAttr("aws_cloudwatch_metric_alarm.foobar", "statistic", "Average"),
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testAccCheckCloudWatchMetricAlarmDimension(
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"aws_cloudwatch_metric_alarm.foobar", "InstanceId", "i-abc123"),
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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 TestAccAWSCloudWatchMetricAlarm_treatMissingData(t *testing.T) {
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var alarm cloudwatch.MetricAlarm
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rInt := acctest.RandInt()
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resource.Test(t, resource.TestCase{
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PreCheck: func() { testAccPreCheck(t) },
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Providers: testAccProviders,
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CheckDestroy: testAccCheckAWSCloudWatchMetricAlarmDestroy,
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Steps: []resource.TestStep{
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{
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Config: testAccAWSCloudWatchMetricAlarmConfigTreatMissingData(rInt),
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Check: resource.ComposeTestCheckFunc(
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testAccCheckCloudWatchMetricAlarmExists("aws_cloudwatch_metric_alarm.foobar", &alarm),
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resource.TestCheckResourceAttr("aws_cloudwatch_metric_alarm.foobar", "treat_missing_data", "missing"),
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),
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},
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{
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Config: testAccAWSCloudWatchMetricAlarmConfigTreatMissingDataUpdate(rInt),
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Check: resource.ComposeTestCheckFunc(
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testAccCheckCloudWatchMetricAlarmExists("aws_cloudwatch_metric_alarm.foobar", &alarm),
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resource.TestCheckResourceAttr("aws_cloudwatch_metric_alarm.foobar", "treat_missing_data", "breaching"),
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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 TestAccAWSCloudWatchMetricAlarm_evaluateLowSampleCountPercentiles(t *testing.T) {
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var alarm cloudwatch.MetricAlarm
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rInt := acctest.RandInt()
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resource.Test(t, resource.TestCase{
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PreCheck: func() { testAccPreCheck(t) },
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Providers: testAccProviders,
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CheckDestroy: testAccCheckAWSCloudWatchMetricAlarmDestroy,
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Steps: []resource.TestStep{
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{
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Config: testAccAWSCloudWatchMetricAlarmConfigTreatEvaluateLowSampleCountPercentiles(rInt),
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Check: resource.ComposeTestCheckFunc(
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testAccCheckCloudWatchMetricAlarmExists("aws_cloudwatch_metric_alarm.foobar", &alarm),
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resource.TestCheckResourceAttr("aws_cloudwatch_metric_alarm.foobar", "evaluate_low_sample_count_percentiles", "evaluate"),
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),
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},
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{
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Config: testAccAWSCloudWatchMetricAlarmConfigTreatEvaluateLowSampleCountPercentilesUpdated(rInt),
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Check: resource.ComposeTestCheckFunc(
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testAccCheckCloudWatchMetricAlarmExists("aws_cloudwatch_metric_alarm.foobar", &alarm),
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resource.TestCheckResourceAttr("aws_cloudwatch_metric_alarm.foobar", "evaluate_low_sample_count_percentiles", "ignore"),
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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 TestAccAWSCloudWatchMetricAlarm_extendedStatistic(t *testing.T) {
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var alarm cloudwatch.MetricAlarm
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rInt := acctest.RandInt()
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resource.Test(t, resource.TestCase{
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PreCheck: func() { testAccPreCheck(t) },
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Providers: testAccProviders,
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CheckDestroy: testAccCheckAWSCloudWatchMetricAlarmDestroy,
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Steps: []resource.TestStep{
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{
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Config: testAccAWSCloudWatchMetricAlarmConfigExtendedStatistic(rInt),
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Check: resource.ComposeTestCheckFunc(
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testAccCheckCloudWatchMetricAlarmExists("aws_cloudwatch_metric_alarm.foobar", &alarm),
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resource.TestCheckResourceAttr("aws_cloudwatch_metric_alarm.foobar", "extended_statistic", "p88.0"),
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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 TestAccAWSCloudWatchMetricAlarm_missingStatistic(t *testing.T) {
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rInt := acctest.RandInt()
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resource.Test(t, resource.TestCase{
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PreCheck: func() { testAccPreCheck(t) },
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Providers: testAccProviders,
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CheckDestroy: testAccCheckAWSCloudWatchMetricAlarmDestroy,
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Steps: []resource.TestStep{
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{
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Config: testAccAWSCloudWatchMetricAlarmConfigMissingStatistic(rInt),
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ExpectError: regexp.MustCompile("One of `statistic` or `extended_statistic` must be set for a cloudwatch metric alarm"),
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},
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},
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})
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}
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func testAccCheckCloudWatchMetricAlarmDimension(n, k, v string) resource.TestCheckFunc {
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return func(s *terraform.State) error {
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rs, ok := s.RootModule().Resources[n]
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if !ok {
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return fmt.Errorf("Not found: %s", n)
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}
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key := fmt.Sprintf("dimensions.%s", k)
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val, ok := rs.Primary.Attributes[key]
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if !ok {
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return fmt.Errorf("Could not find dimension: %s", k)
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}
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if val != v {
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return fmt.Errorf("Expected dimension %s => %s; got: %s", k, v, val)
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}
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return nil
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}
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}
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func testAccCheckCloudWatchMetricAlarmExists(n string, alarm *cloudwatch.MetricAlarm) resource.TestCheckFunc {
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return func(s *terraform.State) error {
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rs, ok := s.RootModule().Resources[n]
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if !ok {
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return fmt.Errorf("Not found: %s", n)
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}
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conn := testAccProvider.Meta().(*AWSClient).cloudwatchconn
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params := cloudwatch.DescribeAlarmsInput{
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AlarmNames: []*string{aws.String(rs.Primary.ID)},
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}
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resp, err := conn.DescribeAlarms(¶ms)
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if err != nil {
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return err
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}
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if len(resp.MetricAlarms) == 0 {
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return fmt.Errorf("Alarm not found")
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}
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*alarm = *resp.MetricAlarms[0]
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return nil
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}
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}
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func testAccCheckAWSCloudWatchMetricAlarmDestroy(s *terraform.State) error {
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conn := testAccProvider.Meta().(*AWSClient).cloudwatchconn
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for _, rs := range s.RootModule().Resources {
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if rs.Type != "aws_cloudwatch_metric_alarm" {
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continue
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}
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params := cloudwatch.DescribeAlarmsInput{
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AlarmNames: []*string{aws.String(rs.Primary.ID)},
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}
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resp, err := conn.DescribeAlarms(¶ms)
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if err == nil {
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if len(resp.MetricAlarms) != 0 &&
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*resp.MetricAlarms[0].AlarmName == rs.Primary.ID {
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return fmt.Errorf("Alarm Still Exists: %s", rs.Primary.ID)
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}
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}
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}
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return nil
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}
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func testAccAWSCloudWatchMetricAlarmConfig(rInt int) string {
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return fmt.Sprintf(`
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resource "aws_cloudwatch_metric_alarm" "foobar" {
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alarm_name = "terraform-test-foobar%d"
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comparison_operator = "GreaterThanOrEqualToThreshold"
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evaluation_periods = "2"
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metric_name = "CPUUtilization"
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namespace = "AWS/EC2"
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period = "120"
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statistic = "Average"
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threshold = "80"
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alarm_description = "This metric monitors ec2 cpu utilization"
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insufficient_data_actions = []
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dimensions {
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InstanceId = "i-abc123"
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}
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}`, rInt)
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}
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func testAccAWSCloudWatchMetricAlarmConfigTreatMissingData(rInt int) string {
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return fmt.Sprintf(`
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resource "aws_cloudwatch_metric_alarm" "foobar" {
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alarm_name = "terraform-test-foobar%d"
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comparison_operator = "GreaterThanOrEqualToThreshold"
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evaluation_periods = "2"
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metric_name = "CPUUtilization"
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namespace = "AWS/EC2"
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period = "120"
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statistic = "Average"
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threshold = "80"
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alarm_description = "This metric monitors ec2 cpu utilization"
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treat_missing_data = "missing"
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insufficient_data_actions = []
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dimensions {
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InstanceId = "i-abc123"
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}
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}`, rInt)
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}
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func testAccAWSCloudWatchMetricAlarmConfigTreatMissingDataUpdate(rInt int) string {
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return fmt.Sprintf(`
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resource "aws_cloudwatch_metric_alarm" "foobar" {
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alarm_name = "terraform-test-foobar%d"
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comparison_operator = "GreaterThanOrEqualToThreshold"
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evaluation_periods = "2"
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metric_name = "CPUUtilization"
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namespace = "AWS/EC2"
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period = "120"
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statistic = "Average"
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threshold = "80"
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alarm_description = "This metric monitors ec2 cpu utilization"
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treat_missing_data = "breaching"
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insufficient_data_actions = []
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dimensions {
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InstanceId = "i-abc123"
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}
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}`, rInt)
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}
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func testAccAWSCloudWatchMetricAlarmConfigTreatEvaluateLowSampleCountPercentiles(rInt int) string {
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return fmt.Sprintf(`
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resource "aws_cloudwatch_metric_alarm" "foobar" {
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alarm_name = "terraform-test-foobar%d"
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comparison_operator = "GreaterThanOrEqualToThreshold"
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evaluation_periods = "2"
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metric_name = "CPUUtilization"
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namespace = "AWS/EC2"
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period = "120"
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extended_statistic = "p88.0"
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threshold = "80"
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alarm_description = "This metric monitors ec2 cpu utilization"
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evaluate_low_sample_count_percentiles = "evaluate"
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insufficient_data_actions = []
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dimensions {
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InstanceId = "i-abc123"
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}
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}`, rInt)
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}
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func testAccAWSCloudWatchMetricAlarmConfigTreatEvaluateLowSampleCountPercentilesUpdated(rInt int) string {
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return fmt.Sprintf(`
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resource "aws_cloudwatch_metric_alarm" "foobar" {
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alarm_name = "terraform-test-foobar%d"
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comparison_operator = "GreaterThanOrEqualToThreshold"
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evaluation_periods = "2"
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metric_name = "CPUUtilization"
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namespace = "AWS/EC2"
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period = "120"
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extended_statistic = "p88.0"
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threshold = "80"
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alarm_description = "This metric monitors ec2 cpu utilization"
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evaluate_low_sample_count_percentiles = "ignore"
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insufficient_data_actions = []
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dimensions {
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InstanceId = "i-abc123"
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}
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}`, rInt)
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}
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func testAccAWSCloudWatchMetricAlarmConfigExtendedStatistic(rInt int) string {
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return fmt.Sprintf(`
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resource "aws_cloudwatch_metric_alarm" "foobar" {
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alarm_name = "terraform-test-foobar%d"
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comparison_operator = "GreaterThanOrEqualToThreshold"
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evaluation_periods = "2"
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metric_name = "CPUUtilization"
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namespace = "AWS/EC2"
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period = "120"
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extended_statistic = "p88.0"
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threshold = "80"
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alarm_description = "This metric monitors ec2 cpu utilization"
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insufficient_data_actions = []
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dimensions {
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InstanceId = "i-abc123"
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}
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}`, rInt)
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}
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func testAccAWSCloudWatchMetricAlarmConfigMissingStatistic(rInt int) string {
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return fmt.Sprintf(`
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resource "aws_cloudwatch_metric_alarm" "foobar" {
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alarm_name = "terraform-test-foobar%d"
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comparison_operator = "GreaterThanOrEqualToThreshold"
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evaluation_periods = "2"
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metric_name = "CPUUtilization"
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namespace = "AWS/EC2"
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period = "120"
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threshold = "80"
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alarm_description = "This metric monitors ec2 cpu utilization"
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insufficient_data_actions = []
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dimensions {
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InstanceId = "i-abc123"
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}
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}`, rInt)
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}
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