文件 AWS 開發套件範例 GitHub 儲存庫中有更多可用的 [AWS SDK 範例](https://github.com/awsdocs/aws-doc-sdk-examples)。
本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。
# 使用 SDK for Python (Boto3) 的 CloudWatch 範例
下列程式碼範例示範如何使用 適用於 Python (Boto3) 的 AWS SDK 搭配 CloudWatch 執行動作和實作常見案例。
*Actions* 是大型程式的程式碼摘錄，必須在內容中執行。雖然動作會告訴您如何呼叫個別服務函數，但您可以在其相關情境中查看內容中的動作。
*案例*是向您展示如何呼叫服務中的多個函數或與其他 AWS 服務組合來完成特定任務的程式碼範例。
每個範例均包含完整原始碼的連結，您可在連結中找到如何設定和執行內容中程式碼的相關指示。
**Topics**
+ [動作](#actions)
+ [案例](#scenarios)
## 動作
### `DeleteAlarms`
以下程式碼範例顯示如何使用 `DeleteAlarms`。
**適用於 Python 的 SDK (Boto3)**
GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/cloudwatch#code-examples)中設定和執行。
```
class CloudWatchWrapper:
"""Encapsulates Amazon CloudWatch functions."""
def __init__(self, cloudwatch_resource):
"""
:param cloudwatch_resource: A Boto3 CloudWatch resource.
"""
self.cloudwatch_resource = cloudwatch_resource
def delete_metric_alarms(self, metric_namespace, metric_name):
"""
Deletes all of the alarms that are currently watching the specified metric.
:param metric_namespace: The namespace of the metric.
:param metric_name: The name of the metric.
"""
try:
metric = self.cloudwatch_resource.Metric(metric_namespace, metric_name)
metric.alarms.delete()
logger.info(
"Deleted alarms for metric %s.%s.", metric_namespace, metric_name
)
except ClientError:
logger.exception(
"Couldn't delete alarms for metric %s.%s.",
metric_namespace,
metric_name,
)
raise
```
+ 如需 API 詳細資訊，請參閱*適用於 Python (Boto3) 的AWS SDK API 參考*中的 [DeleteAlarms](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/DeleteAlarms)。
### `DescribeAlarmsForMetric`
以下程式碼範例顯示如何使用 `DescribeAlarmsForMetric`。
**適用於 Python 的 SDK (Boto3)**
GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/cloudwatch#code-examples)中設定和執行。
```
class CloudWatchWrapper:
"""Encapsulates Amazon CloudWatch functions."""
def __init__(self, cloudwatch_resource):
"""
:param cloudwatch_resource: A Boto3 CloudWatch resource.
"""
self.cloudwatch_resource = cloudwatch_resource
def get_metric_alarms(self, metric_namespace, metric_name):
"""
Gets the alarms that are currently watching the specified metric.
:param metric_namespace: The namespace of the metric.
:param metric_name: The name of the metric.
:returns: An iterator that yields the alarms.
"""
metric = self.cloudwatch_resource.Metric(metric_namespace, metric_name)
alarm_iter = metric.alarms.all()
logger.info("Got alarms for metric %s.%s.", metric_namespace, metric_name)
return alarm_iter
```
+ 如需 API 詳細資訊，請參閱*適用於 Python (Boto3) 的AWS SDK API 參考*中的 [DescribeAlarmsForMetric](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/DescribeAlarmsForMetric)。
### `DisableAlarmActions`
以下程式碼範例顯示如何使用 `DisableAlarmActions`。
**適用於 Python 的 SDK (Boto3)**
GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/cloudwatch#code-examples)中設定和執行。
```
class CloudWatchWrapper:
"""Encapsulates Amazon CloudWatch functions."""
def __init__(self, cloudwatch_resource):
"""
:param cloudwatch_resource: A Boto3 CloudWatch resource.
"""
self.cloudwatch_resource = cloudwatch_resource
def enable_alarm_actions(self, alarm_name, enable):
"""
Enables or disables actions on the specified alarm. Alarm actions can be
used to send notifications or automate responses when an alarm enters a
particular state.
:param alarm_name: The name of the alarm.
:param enable: When True, actions are enabled for the alarm. Otherwise, they
disabled.
"""
try:
alarm = self.cloudwatch_resource.Alarm(alarm_name)
if enable:
alarm.enable_actions()
else:
alarm.disable_actions()
logger.info(
"%s actions for alarm %s.",
"Enabled" if enable else "Disabled",
alarm_name,
)
except ClientError:
logger.exception(
"Couldn't %s actions alarm %s.",
"enable" if enable else "disable",
alarm_name,
)
raise
```
+ 如需 API 詳細資訊，請參閱*適用於 Python (Boto3) 的AWS SDK API 參考*中的 [DisableAlarmActions](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/DisableAlarmActions)。
### `EnableAlarmActions`
以下程式碼範例顯示如何使用 `EnableAlarmActions`。
**適用於 Python 的 SDK (Boto3)**
GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/cloudwatch#code-examples)中設定和執行。
```
class CloudWatchWrapper:
"""Encapsulates Amazon CloudWatch functions."""
def __init__(self, cloudwatch_resource):
"""
:param cloudwatch_resource: A Boto3 CloudWatch resource.
"""
self.cloudwatch_resource = cloudwatch_resource
def enable_alarm_actions(self, alarm_name, enable):
"""
Enables or disables actions on the specified alarm. Alarm actions can be
used to send notifications or automate responses when an alarm enters a
particular state.
:param alarm_name: The name of the alarm.
:param enable: When True, actions are enabled for the alarm. Otherwise, they
disabled.
"""
try:
alarm = self.cloudwatch_resource.Alarm(alarm_name)
if enable:
alarm.enable_actions()
else:
alarm.disable_actions()
logger.info(
"%s actions for alarm %s.",
"Enabled" if enable else "Disabled",
alarm_name,
)
except ClientError:
logger.exception(
"Couldn't %s actions alarm %s.",
"enable" if enable else "disable",
alarm_name,
)
raise
```
+ 如需 API 的詳細資訊，請參閱*適用於 Python (Boto3) 的AWS SDK API 參考*中的 [EnableAlarmActions](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/EnableAlarmActions)。
### `GetMetricStatistics`
以下程式碼範例顯示如何使用 `GetMetricStatistics`。
**適用於 Python 的 SDK (Boto3)**
GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/cloudwatch#code-examples)中設定和執行。
```
class CloudWatchWrapper:
"""Encapsulates Amazon CloudWatch functions."""
def __init__(self, cloudwatch_resource):
"""
:param cloudwatch_resource: A Boto3 CloudWatch resource.
"""
self.cloudwatch_resource = cloudwatch_resource
def get_metric_statistics(self, namespace, name, start, end, period, stat_types):
"""
Gets statistics for a metric within a specified time span. Metrics are grouped
into the specified period.
:param namespace: The namespace of the metric.
:param name: The name of the metric.
:param start: The UTC start time of the time span to retrieve.
:param end: The UTC end time of the time span to retrieve.
:param period: The period, in seconds, in which to group metrics. The period
must match the granularity of the metric, which depends on
the metric's age. For example, metrics that are older than
three hours have a one-minute granularity, so the period must
be at least 60 and must be a multiple of 60.
:param stat_types: The type of statistics to retrieve, such as average value
or maximum value.
:return: The retrieved statistics for the metric.
"""
try:
metric = self.cloudwatch_resource.Metric(namespace, name)
stats = metric.get_statistics(
StartTime=start, EndTime=end, Period=period, Statistics=stat_types
)
logger.info(
"Got %s statistics for %s.", len(stats["Datapoints"]), stats["Label"]
)
except ClientError:
logger.exception("Couldn't get statistics for %s.%s.", namespace, name)
raise
else:
return stats
```
+ 如需 API 詳細資訊，請參閱*適用於 Python (Boto3) 的AWS SDK API 參考*中的 [GetMetricStatistics](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/GetMetricStatistics)。
### `ListMetrics`
以下程式碼範例顯示如何使用 `ListMetrics`。
**適用於 Python 的 SDK (Boto3)**
GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/cloudwatch#code-examples)中設定和執行。
```
class CloudWatchWrapper:
"""Encapsulates Amazon CloudWatch functions."""
def __init__(self, cloudwatch_resource):
"""
:param cloudwatch_resource: A Boto3 CloudWatch resource.
"""
self.cloudwatch_resource = cloudwatch_resource
def list_metrics(self, namespace, name, recent=False):
"""
Gets the metrics within a namespace that have the specified name.
If the metric has no dimensions, a single metric is returned.
Otherwise, metrics for all dimensions are returned.
:param namespace: The namespace of the metric.
:param name: The name of the metric.
:param recent: When True, only metrics that have been active in the last
three hours are returned.
:return: An iterator that yields the retrieved metrics.
"""
try:
kwargs = {"Namespace": namespace, "MetricName": name}
if recent:
kwargs["RecentlyActive"] = "PT3H" # List past 3 hours only
metric_iter = self.cloudwatch_resource.metrics.filter(**kwargs)
logger.info("Got metrics for %s.%s.", namespace, name)
except ClientError:
logger.exception("Couldn't get metrics for %s.%s.", namespace, name)
raise
else:
return metric_iter
```
+ 如需 API 詳細資訊，請參閱 [適用於 Python (Boto3) 的AWS SDK API 參考](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/ListMetrics)中的 *ListMetrics*。
### `PutMetricAlarm`
以下程式碼範例顯示如何使用 `PutMetricAlarm`。
**適用於 Python 的 SDK (Boto3)**
GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/cloudwatch#code-examples)中設定和執行。
```
class CloudWatchWrapper:
"""Encapsulates Amazon CloudWatch functions."""
def __init__(self, cloudwatch_resource):
"""
:param cloudwatch_resource: A Boto3 CloudWatch resource.
"""
self.cloudwatch_resource = cloudwatch_resource
def create_metric_alarm(
self,
metric_namespace,
metric_name,
alarm_name,
stat_type,
period,
eval_periods,
threshold,
comparison_op,
):
"""
Creates an alarm that watches a metric.
:param metric_namespace: The namespace of the metric.
:param metric_name: The name of the metric.
:param alarm_name: The name of the alarm.
:param stat_type: The type of statistic the alarm watches.
:param period: The period in which metric data are grouped to calculate
statistics.
:param eval_periods: The number of periods that the metric must be over the
alarm threshold before the alarm is set into an alarmed
state.
:param threshold: The threshold value to compare against the metric statistic.
:param comparison_op: The comparison operation used to compare the threshold
against the metric.
:return: The newly created alarm.
"""
try:
metric = self.cloudwatch_resource.Metric(metric_namespace, metric_name)
alarm = metric.put_alarm(
AlarmName=alarm_name,
Statistic=stat_type,
Period=period,
EvaluationPeriods=eval_periods,
Threshold=threshold,
ComparisonOperator=comparison_op,
)
logger.info(
"Added alarm %s to track metric %s.%s.",
alarm_name,
metric_namespace,
metric_name,
)
except ClientError:
logger.exception(
"Couldn't add alarm %s to metric %s.%s",
alarm_name,
metric_namespace,
metric_name,
)
raise
else:
return alarm
```
+ 如需 API 詳細資訊，請參閱*適用於 Python (Boto3) 的AWS SDK API 參考*中的 [PutMetricAlarm](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/PutMetricAlarm)。
### `PutMetricData`
以下程式碼範例顯示如何使用 `PutMetricData`。
**適用於 Python 的 SDK (Boto3)**
GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/cloudwatch#code-examples)中設定和執行。
```
class CloudWatchWrapper:
"""Encapsulates Amazon CloudWatch functions."""
def __init__(self, cloudwatch_resource):
"""
:param cloudwatch_resource: A Boto3 CloudWatch resource.
"""
self.cloudwatch_resource = cloudwatch_resource
def put_metric_data(self, namespace, name, value, unit):
"""
Sends a single data value to CloudWatch for a metric. This metric is given
a timestamp of the current UTC time.
:param namespace: The namespace of the metric.
:param name: The name of the metric.
:param value: The value of the metric.
:param unit: The unit of the metric.
"""
try:
metric = self.cloudwatch_resource.Metric(namespace, name)
metric.put_data(
Namespace=namespace,
MetricData=[{"MetricName": name, "Value": value, "Unit": unit}],
)
logger.info("Put data for metric %s.%s", namespace, name)
except ClientError:
logger.exception("Couldn't put data for metric %s.%s", namespace, name)
raise
```
將一組資料放入 CloudWatch 指標。
```
class CloudWatchWrapper:
"""Encapsulates Amazon CloudWatch functions."""
def __init__(self, cloudwatch_resource):
"""
:param cloudwatch_resource: A Boto3 CloudWatch resource.
"""
self.cloudwatch_resource = cloudwatch_resource
def put_metric_data_set(self, namespace, name, timestamp, unit, data_set):
"""
Sends a set of data to CloudWatch for a metric. All of the data in the set
have the same timestamp and unit.
:param namespace: The namespace of the metric.
:param name: The name of the metric.
:param timestamp: The UTC timestamp for the metric.
:param unit: The unit of the metric.
:param data_set: The set of data to send. This set is a dictionary that
contains a list of values and a list of corresponding counts.
The value and count lists must be the same length.
"""
try:
metric = self.cloudwatch_resource.Metric(namespace, name)
metric.put_data(
Namespace=namespace,
MetricData=[
{
"MetricName": name,
"Timestamp": timestamp,
"Values": data_set["values"],
"Counts": data_set["counts"],
"Unit": unit,
}
],
)
logger.info("Put data set for metric %s.%s.", namespace, name)
except ClientError:
logger.exception("Couldn't put data set for metric %s.%s.", namespace, name)
raise
```
+ 如需 API 詳細資訊，請參閱*適用於 Python (Boto3) 的AWS SDK API 參考*中的 [PutMetricData](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/PutMetricData)。
## 案例
### 管理指標和警示
以下程式碼範例顯示做法：
+ 建立警示以監看 CloudWatch 指標
+ 將資料放入指標並觸發警示。
+ 從警示中取得資料。
+ 刪除警示。
**適用於 Python 的 SDK (Boto3)**
GitHub 上提供更多範例。尋找完整範例，並了解如何在 [AWS 程式碼範例儲存庫](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/cloudwatch#code-examples)中設定和執行。
建立包裝 CloudWatch 操作的類別。
```
from datetime import datetime, timedelta
import logging
from pprint import pprint
import random
import time
import boto3
from botocore.exceptions import ClientError
logger = logging.getLogger(__name__)
class CloudWatchWrapper:
"""Encapsulates Amazon CloudWatch functions."""
def __init__(self, cloudwatch_resource):
"""
:param cloudwatch_resource: A Boto3 CloudWatch resource.
"""
self.cloudwatch_resource = cloudwatch_resource
def put_metric_data_set(self, namespace, name, timestamp, unit, data_set):
"""
Sends a set of data to CloudWatch for a metric. All of the data in the set
have the same timestamp and unit.
:param namespace: The namespace of the metric.
:param name: The name of the metric.
:param timestamp: The UTC timestamp for the metric.
:param unit: The unit of the metric.
:param data_set: The set of data to send. This set is a dictionary that
contains a list of values and a list of corresponding counts.
The value and count lists must be the same length.
"""
try:
metric = self.cloudwatch_resource.Metric(namespace, name)
metric.put_data(
Namespace=namespace,
MetricData=[
{
"MetricName": name,
"Timestamp": timestamp,
"Values": data_set["values"],
"Counts": data_set["counts"],
"Unit": unit,
}
],
)
logger.info("Put data set for metric %s.%s.", namespace, name)
except ClientError:
logger.exception("Couldn't put data set for metric %s.%s.", namespace, name)
raise
def create_metric_alarm(
self,
metric_namespace,
metric_name,
alarm_name,
stat_type,
period,
eval_periods,
threshold,
comparison_op,
):
"""
Creates an alarm that watches a metric.
:param metric_namespace: The namespace of the metric.
:param metric_name: The name of the metric.
:param alarm_name: The name of the alarm.
:param stat_type: The type of statistic the alarm watches.
:param period: The period in which metric data are grouped to calculate
statistics.
:param eval_periods: The number of periods that the metric must be over the
alarm threshold before the alarm is set into an alarmed
state.
:param threshold: The threshold value to compare against the metric statistic.
:param comparison_op: The comparison operation used to compare the threshold
against the metric.
:return: The newly created alarm.
"""
try:
metric = self.cloudwatch_resource.Metric(metric_namespace, metric_name)
alarm = metric.put_alarm(
AlarmName=alarm_name,
Statistic=stat_type,
Period=period,
EvaluationPeriods=eval_periods,
Threshold=threshold,
ComparisonOperator=comparison_op,
)
logger.info(
"Added alarm %s to track metric %s.%s.",
alarm_name,
metric_namespace,
metric_name,
)
except ClientError:
logger.exception(
"Couldn't add alarm %s to metric %s.%s",
alarm_name,
metric_namespace,
metric_name,
)
raise
else:
return alarm
def put_metric_data(self, namespace, name, value, unit):
"""
Sends a single data value to CloudWatch for a metric. This metric is given
a timestamp of the current UTC time.
:param namespace: The namespace of the metric.
:param name: The name of the metric.
:param value: The value of the metric.
:param unit: The unit of the metric.
"""
try:
metric = self.cloudwatch_resource.Metric(namespace, name)
metric.put_data(
Namespace=namespace,
MetricData=[{"MetricName": name, "Value": value, "Unit": unit}],
)
logger.info("Put data for metric %s.%s", namespace, name)
except ClientError:
logger.exception("Couldn't put data for metric %s.%s", namespace, name)
raise
def get_metric_statistics(self, namespace, name, start, end, period, stat_types):
"""
Gets statistics for a metric within a specified time span. Metrics are grouped
into the specified period.
:param namespace: The namespace of the metric.
:param name: The name of the metric.
:param start: The UTC start time of the time span to retrieve.
:param end: The UTC end time of the time span to retrieve.
:param period: The period, in seconds, in which to group metrics. The period
must match the granularity of the metric, which depends on
the metric's age. For example, metrics that are older than
three hours have a one-minute granularity, so the period must
be at least 60 and must be a multiple of 60.
:param stat_types: The type of statistics to retrieve, such as average value
or maximum value.
:return: The retrieved statistics for the metric.
"""
try:
metric = self.cloudwatch_resource.Metric(namespace, name)
stats = metric.get_statistics(
StartTime=start, EndTime=end, Period=period, Statistics=stat_types
)
logger.info(
"Got %s statistics for %s.", len(stats["Datapoints"]), stats["Label"]
)
except ClientError:
logger.exception("Couldn't get statistics for %s.%s.", namespace, name)
raise
else:
return stats
def get_metric_alarms(self, metric_namespace, metric_name):
"""
Gets the alarms that are currently watching the specified metric.
:param metric_namespace: The namespace of the metric.
:param metric_name: The name of the metric.
:returns: An iterator that yields the alarms.
"""
metric = self.cloudwatch_resource.Metric(metric_namespace, metric_name)
alarm_iter = metric.alarms.all()
logger.info("Got alarms for metric %s.%s.", metric_namespace, metric_name)
return alarm_iter
def delete_metric_alarms(self, metric_namespace, metric_name):
"""
Deletes all of the alarms that are currently watching the specified metric.
:param metric_namespace: The namespace of the metric.
:param metric_name: The name of the metric.
"""
try:
metric = self.cloudwatch_resource.Metric(metric_namespace, metric_name)
metric.alarms.delete()
logger.info(
"Deleted alarms for metric %s.%s.", metric_namespace, metric_name
)
except ClientError:
logger.exception(
"Couldn't delete alarms for metric %s.%s.",
metric_namespace,
metric_name,
)
raise
```
使用包裝函式類別將資料放入指標中、觸發觀察指標的警示，以及從警示取得資料。
```
def usage_demo():
print("-" * 88)
print("Welcome to the Amazon CloudWatch metrics and alarms demo!")
print("-" * 88)
logging.basicConfig(level=logging.INFO, format="%(levelname)s: %(message)s")
cw_wrapper = CloudWatchWrapper(boto3.resource("cloudwatch"))
minutes = 20
metric_namespace = "doc-example-metric"
metric_name = "page_views"
start = datetime.utcnow() - timedelta(minutes=minutes)
print(
f"Putting data into metric {metric_namespace}.{metric_name} spanning the "
f"last {minutes} minutes."
)
for offset in range(0, minutes):
stamp = start + timedelta(minutes=offset)
cw_wrapper.put_metric_data_set(
metric_namespace,
metric_name,
stamp,
"Count",
{
"values": [
random.randint(bound, bound * 2)
for bound in range(offset + 1, offset + 11)
],
"counts": [random.randint(1, offset + 1) for _ in range(10)],
},
)
alarm_name = "high_page_views"
period = 60
eval_periods = 2
print(f"Creating alarm {alarm_name} for metric {metric_name}.")
alarm = cw_wrapper.create_metric_alarm(
metric_namespace,
metric_name,
alarm_name,
"Maximum",
period,
eval_periods,
100,
"GreaterThanThreshold",
)
print(f"Alarm ARN is {alarm.alarm_arn}.")
print(f"Current alarm state is: {alarm.state_value}.")
print(
f"Sending data to trigger the alarm. This requires data over the threshold "
f"for {eval_periods} periods of {period} seconds each."
)
while alarm.state_value == "INSUFFICIENT_DATA":
print("Sending data for the metric.")
cw_wrapper.put_metric_data(
metric_namespace, metric_name, random.randint(100, 200), "Count"
)
alarm.load()
print(f"Current alarm state is: {alarm.state_value}.")
if alarm.state_value == "INSUFFICIENT_DATA":
print(f"Waiting for {period} seconds...")
time.sleep(period)
else:
print("Wait for a minute for eventual consistency of metric data.")
time.sleep(period)
if alarm.state_value == "OK":
alarm.load()
print(f"Current alarm state is: {alarm.state_value}.")
print(
f"Getting data for metric {metric_namespace}.{metric_name} during timespan "
f"of {start} to {datetime.utcnow()} (times are UTC)."
)
stats = cw_wrapper.get_metric_statistics(
metric_namespace,
metric_name,
start,
datetime.utcnow(),
60,
["Average", "Minimum", "Maximum"],
)
print(
f"Got {len(stats['Datapoints'])} data points for metric "
f"{metric_namespace}.{metric_name}."
)
pprint(sorted(stats["Datapoints"], key=lambda x: x["Timestamp"]))
print(f"Getting alarms for metric {metric_name}.")
alarms = cw_wrapper.get_metric_alarms(metric_namespace, metric_name)
for alarm in alarms:
print(f"Alarm {alarm.name} is currently in state {alarm.state_value}.")
print(f"Deleting alarms for metric {metric_name}.")
cw_wrapper.delete_metric_alarms(metric_namespace, metric_name)
print("Thanks for watching!")
print("-" * 88)
```
+ 如需 API 詳細資訊，請參閱《適用於 Python (Boto3) 的AWS SDK API 參考》**中的下列主題。
+ [DeleteAlarms](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/DeleteAlarms)
+ [DescribeAlarmsForMetric](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/DescribeAlarmsForMetric)
+ [DisableAlarmActions](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/DisableAlarmActions)
+ [EnableAlarmActions](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/EnableAlarmActions)
+ [GetMetricStatistics](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/GetMetricStatistics)
+ [ListMetrics](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/ListMetrics)
+ [PutMetricAlarm](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/PutMetricAlarm)
+ [PutMetricData](https://docs.aws.amazon.com/goto/boto3/monitoring-2010-08-01/PutMetricData)