krz/aws-summary-report

 1# cloudwatch.py
 2import boto3
 3import datetime
 4from tabulate import tabulate
 5
 6
 7def get_section(config):
 8    profile = config["aws"].get("profile")
 9    region = config["aws"]["region"]
10    session = boto3.Session(
11        profile_name=profile if profile else None, region_name=region
12    )
13    client = session.client("cloudwatch")
14
15    now = datetime.datetime.utcnow()
16    yesterday = now - datetime.timedelta(days=1)
17
18    alarms = client.describe_alarms(StateValue="ALARM")["MetricAlarms"]
19    rows = []
20
21    for alarm in alarms:
22        last_updated = alarm["StateUpdatedTimestamp"]
23        if last_updated >= yesterday:
24            rows.append(
25                [
26                    alarm["AlarmName"],
27                    alarm["MetricName"],
28                    alarm["StateValue"],
29                    last_updated.strftime("%Y-%m-%d %H:%M UTC"),
30                ]
31            )
32
33    if not rows:
34        return "CloudWatch Alarms:\nNo alarms triggered in the last 24h."
35
36    table = tabulate(
37        rows, headers=["Name", "Metric", "State", "Updated"], tablefmt="simple_grid"
38    )
39    lines = [
40        "CloudWatch Alarms (Last 24h):",
41        f"[https://{config['aws'].get('region')}.console.aws.amazon.com/cloudwatch/home#alarmsV2:]",
42        table,
43    ]
44
45    return "\n".join(lines)