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可参考的lamdba函数.py
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可参考的lamdba函数.py
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问题描述：
【Rewards】exception 警报现在通过微信发送到企业微信
但是没有发送对应的Log
需要把Log通过微信发出去
解决指引：
可以参考SA PROD环境下的lambda函数
import json
import boto3
from datetime import datetime, timedelta
import time
import os
import requests
from requests_toolbelt import MultipartEncoder
client = boto3.client('logs')
file_name = "error-log.txt"
file_path = "/tmp/"
## bucket_name = "cloudwatchlog-export"
## s3_path = "log/20200520/" + file_name
def lambda_handler(event, context):
# TODO implement
message = event['Records'][0]['Sns']['Message']
print(message)
access_token = _get_access_token()
send_wechat_data(_get_send_text_content(message), access_token)
msgJson = json.loads(message)
logGroupName = ""
if msgJson['Trigger']['MetricName'] == "sa-redpackect-api-exception":
logGroupName = "/ecs/redpacket-api-prd-taskdefinition"
elif msgJson['Trigger']['MetricName'] == "sa-redpacket-batch-exception":
logGroupName = "/ecs/redpacket-batch-prd-taskdefinition"
elif msgJson['Trigger']['MetricName'] == "sa-ec-service-exception":
logGroupName = "/ecs/sa-ecommerce-prd-taskdefinition"
else:
logGroupName = "upsystem-api-error.log"
if msgJson['NewStateValue'] == "ALARM":
print("send Log file")
get_cloudwatch_log_to_file(logGroupName)
send_wechat_file(access_token)
return {
'statusCode': 200,
'body': json.dumps('Hello from Lambda!')
}
def get_cloudwatch_log_to_file(logGroupName):
string = ""
## For the latest
stream_response = client.describe_log_streams(
logGroupName=logGroupName, # Can be dynamic
orderBy='LastEventTime', # For the latest events
descending=True,
limit=1 # the last latest event, if you just want one
)
for log_stream in stream_response["logStreams"]:
latestlogStreamName = log_stream["logStreamName"]
firstEventTimestamp = log_stream["lastEventTimestamp"]
## print(firstEventTimestamp)
endTime = int(datetime.now().timestamp())*1000
startTime = int((datetime.now() - timedelta(minutes=2)).timestamp())*1000
response = client.get_log_events(
logGroupName=logGroupName,
logStreamName=latestlogStreamName,
startTime=startTime,
endTime=endTime,
)
for event in response["events"]:
## print(event["message"])
timestamp = event["timestamp"]
## print(timestamp)
utc_time = datetime.utcfromtimestamp(timestamp/1000)
date_time = utc_time + timedelta(hours=8)
## print(date_time)
timeStr = date_time.strftime("%Y-%m-%d %H:%M:%S")
string = string + timeStr + ' ' + event["message"] + '\n'
## Write file to temp file
newFile = open(file_path + file_name,'w')
n = newFile.write(string)
newFile.close()
## Read the file log to verify
## with open(file_path + file_name) as f:
## string2 = f.read()
## print(string2)
## Save to S3
## encoded_string = string.encode("utf-8")
## s3 = boto3.resource("s3")
## s3.Bucket(bucket_name).put_object(Key=s3_path, Body=encoded_string)
def post_file_to_wechat_get_media_id(filepath, filename, access_token):
post_file_url = f"https://qyapi.weixin.qq.com/cgi-bin/media/upload?access_token={access_token}&type=file"
m = MultipartEncoder(
fields={filename: (filename, open(filepath + filename, 'rb'), 'text/plain')},
)
print(m)
r = requests.post(url=post_file_url, data=m, headers={'Content-Type': m.content_type})
print(r.text)
data = json.loads(r.text)
return data["media_id"]
def _get_access_token():
url = 'https://qyapi.weixin.qq.com/cgi-bin/gettoken'
values = {'corpid': os.environ['CORP_ID'],
'corpsecret': os.environ['CORP_SECRET'],
}
req = requests.post(url, params=values)
data = json.loads(req.text)
## print(data)
return data["access_token"]
def send_wechat_file(access_token):
## access_token = _get_access_token()
media_id = post_file_to_wechat_get_media_id(file_path, file_name, access_token)
## print(media_id)
send_url = 'https://qyapi.weixin.qq.com/cgi-bin/message/send' + '?access_token=' + access_token
send_data = '{"msgtype": "file", "safe": 0, "agentid": %s, "toparty": "%s", "file": {"media_id": "%s"}}' % (
os.environ['AGENT_ID'], os.environ['PARTY_ID'], media_id)
r = requests.post(send_url, data=send_data)
## print(r.content)
return r.content
def send_wechat_data(message,access_token):
msg = message.encode('utf-8')
send_url = 'https://qyapi.weixin.qq.com/cgi-bin/message/send' + '?access_token=' + access_token
send_data = '{"msgtype": "text", "safe": 0, "agentid": %s, "toparty": "%s", "text": {"content": "%s"}}' % (
os.environ['AGENT_ID'], os.environ['PARTY_ID'], message)
print(message)
r = requests.post(send_url, data=send_data)
return r.content
def _get_send_text_content(message):
result_str = ''
msg_json = json.loads(message)
if msg_json['NewStateValue'] == "ALARM":
result_str = result_str + '***** ALARM *****\n\n'
else:
result_str = result_str + '***** RECOVERY *****\n\n'
result_str = result_str + 'Service:\n' + msg_json['Trigger']['MetricName'] + '\n\n'
result_str = result_str + 'Detail:\n' + msg_json['NewStateReason'] + '\n\n'
result_str = result_str + 'Time(UTC):\n' + msg_json['StateChangeTime'] + '\n'
return result_str
Rewards lamdba函数计划写成：
import json
import boto3
from datetime import datetime, timedelta
import time
import os
import requests
from requests_toolbelt import MultipartEncoder
client = boto3.client('logs')
file_name = "error-log.txt"
file_path = "/tmp/"
## bucket_name = "cloudwatchlog-export"
## s3_path = "log/20200520/" + file_name
def lambda_handler(event, context):
# TODO implement
message = event['Records'][0]['Sns']['Message']
print(message)
access_token = _get_access_token()
send_wechat_data(_get_send_text_content(message), access_token)
msgJson = json.loads(message)
logGroupName = ""
if msgJson['Trigger']['MetricName'] == "sa-redpackect-api-exception":
logGroupName = "/ecs/redpacket-api-prd-taskdefinition"
elif msgJson['Trigger']['MetricName'] == "sa-redpacket-batch-exception":
logGroupName = "/ecs/redpacket-batch-prd-taskdefinition"
elif msgJson['Trigger']['MetricName'] == "sa-ec-service-exception":
logGroupName = "/ecs/sa-ecommerce-prd-taskdefinition"
else:
logGroupName = "upsystem-api-error.log"
if msgJson['NewStateValue'] == "ALARM":
print("send Log file")
get_cloudwatch_log_to_file(logGroupName)
send_wechat_file(access_token)
return {
'statusCode': 200,
'body': json.dumps('Hello from Lambda!')
}
def get_cloudwatch_log_to_file(logGroupName):
string = ""
## For the latest
stream_response = client.describe_log_streams(
logGroupName=logGroupName, # Can be dynamic
orderBy='LastEventTime', # For the latest events
descending=True,
limit=1 # the last latest event, if you just want one
)
for log_stream in stream_response["logStreams"]:
latestlogStreamName = log_stream["logStreamName"]
firstEventTimestamp = log_stream["lastEventTimestamp"]
## print(firstEventTimestamp)
endTime = int(datetime.now().timestamp())*1000
startTime = int((datetime.now() - timedelta(minutes=2)).timestamp())*1000
response = client.get_log_events(
logGroupName=logGroupName,
logStreamName=latestlogStreamName,
startTime=startTime,
endTime=endTime,
)
for event in response["events"]:
## print(event["message"])
timestamp = event["timestamp"]
## print(timestamp)
utc_time = datetime.utcfromtimestamp(timestamp/1000)
date_time = utc_time + timedelta(hours=8)
## print(date_time)
timeStr = date_time.strftime("%Y-%m-%d %H:%M:%S")
string = string + timeStr + ' ' + event["message"] + '\n'
## Write file to temp file
newFile = open(file_path + file_name,'w')
n = newFile.write(string)
newFile.close()
## Read the file log to verify
## with open(file_path + file_name) as f:
## string2 = f.read()
## print(string2)
## Save to S3
## encoded_string = string.encode("utf-8")
## s3 = boto3.resource("s3")
## s3.Bucket(bucket_name).put_object(Key=s3_path, Body=encoded_string)
def post_file_to_wechat_get_media_id(filepath, filename, access_token):
post_file_url = f"https://qyapi.weixin.qq.com/cgi-bin/media/upload?access_token={access_token}&type=file"
m = MultipartEncoder(
fields={filename: (filename, open(filepath + filename, 'rb'), 'text/plain')},
)
print(m)
r = requests.post(url=post_file_url, data=m, headers={'Content-Type': m.content_type})
print(r.text)
data = json.loads(r.text)
return data["media_id"]
def _get_access_token():
url = 'https://qyapi.weixin.qq.com/cgi-bin/gettoken'
values = {'corpid': os.environ['CORP_ID'],
'corpsecret': os.environ['CORP_SECRET'],
}
req = requests.post(url, params=values)
data = json.loads(req.text)
## print(data)
return data["access_token"]
def send_wechat_file(access_token):
## access_token = _get_access_token()
media_id = post_file_to_wechat_get_media_id(file_path, file_name, access_token)
## print(media_id)
send_url = 'https://qyapi.weixin.qq.com/cgi-bin/message/send' + '?access_token=' + access_token
send_data = '{"msgtype": "file", "safe": 0, "agentid": %s, "toparty": "%s", "file": {"media_id": "%s"}}' % (
os.environ['AGENT_ID'], os.environ['PARTY_ID'], media_id)
r = requests.post(send_url, data=send_data)
## print(r.content)
return r.content
def send_wechat_data(message,access_token):
msg = message.encode('utf-8')
send_url = 'https://qyapi.weixin.qq.com/cgi-bin/message/send' + '?access_token=' + access_token
send_data = '{"msgtype": "text", "safe": 0, "agentid": %s, "toparty": "%s", "text": {"content": "%s"}}' % (
os.environ['AGENT_ID'], os.environ['PARTY_ID'], message)
print(message)
r = requests.post(send_url, data=send_data)
return r.content
def _get_send_text_content(message):
result_str = ''
msg_json = json.loads(message)
if msg_json['NewStateValue'] == "ALARM":
result_str = result_str + '***** ALARM *****\n\n'
else:
result_str = result_str + '***** RECOVERY *****\n\n'
result_str = result_str + 'Service:\n' + msg_json['Trigger']['MetricName'] + '\n\n'
result_str = result_str + 'Detail:\n' + msg_json['NewStateReason'] + '\n\n'
result_str = result_str + 'Time(UTC):\n' + msg_json['StateChangeTime'] + '\n'
return result_str