.ci/ecr_public_lifecycle.py

@@ -1,63 +0,0 @@
-#!/usr/bin/env python3
-
-import argparse
-import boto3
-
-parser = argparse.ArgumentParser(
-    description='Implement basic public ECR lifecycle policy')
-parser.add_argument('--repo', dest='repositoryName', action='store', required=True,
-                    help='Name of the public ECR repository')
-parser.add_argument('--keep', dest='keep', action='store', default=10, type=int,
-                    help='number of tagged images to keep, default 10')
-parser.add_argument('--dev', dest='delete_dev', action='store_true',
-                    help='also delete in-development images only having tags like v0.1.1-commitNr-githash')
-
-args = parser.parse_args()
-
-client = boto3.client('ecr-public', region_name='us-east-1')
-
-images = client.describe_images(repositoryName=args.repositoryName)[
-    "imageDetails"]
-
-untagged = []
-kept = 0
-
-# actual Image
-# imageManifestMediaType: 'application/vnd.oci.image.manifest.v1+json'
-# image Index
-# imageManifestMediaType: 'application/vnd.oci.image.index.v1+json'
-
-# Sort by date uploaded
-for image in sorted(images, key=lambda d: d['imagePushedAt'], reverse=True):
-    # Remove all untagged
-    # if registry uses image index all actual images will be untagged anyways
-    if 'imageTags' not in image:
-        untagged.append({"imageDigest": image['imageDigest']})
-        # print("Delete untagged image {}".format(image["imageDigest"]))
-        continue
-
-    # check for dev tags
-    if args.delete_dev:
-        _delete = True
-        for tag in image["imageTags"]:
-            # Look for at least one tag NOT beign a SemVer dev tag
-            if "-" not in tag:
-                _delete = False
-        if _delete:
-            print("Deleting development image {}".format(image["imageTags"]))
-            untagged.append({"imageDigest": image['imageDigest']})
-            continue
-
-    if kept < args.keep:
-        kept = kept+1
-        print("Keeping tagged image {}".format(image["imageTags"]))
-        continue
-    else:
-        print("Deleting tagged image {}".format(image["imageTags"]))
-        untagged.append({"imageDigest": image['imageDigest']})
-
-deleted_images = client.batch_delete_image(
-    repositoryName=args.repositoryName, imageIds=untagged)
-
-if deleted_images["imageIds"]:
-    print("Deleted images: {}".format(deleted_images["imageIds"]))

.ci/podman.mk

@@ -1,26 +1,25 @@
 # Parse version from latest git semver tag
-GIT_TAG ?= $(shell git describe --tags --match v*.*.* 2>/dev/null || git rev-parse --short HEAD 2>/dev/null)
 GIT_BRANCH ?= $(shell git rev-parse --abbrev-ref HEAD 2>/dev/null)
+GIT_TAG := $(shell git describe --tags --match v*.*.* 2>/dev/null || git rev-parse --short HEAD 2>/dev/null)
 
-TAG ::= $(GIT_TAG)
+TAG := $(GIT_TAG)
 # append branch name to tag if NOT main nor master
 ifeq (,$(filter main master, $(GIT_BRANCH)))
 	# If branch is substring of tag, omit branch name
 	ifeq ($(findstring $(GIT_BRANCH), $(GIT_TAG)),)
 		# only append branch name if not equal tag
 		ifneq ($(GIT_TAG), $(GIT_BRANCH))
-			# Sanitize GIT_BRANCH to allowed Docker tag character set
+			TAG = $(GIT_TAG)-$(GIT_BRANCH)
-			TAG = $(GIT_TAG)-$(shell echo $$GIT_BRANCH | sed -e 's/[^a-zA-Z0-9]/-/g')
 		endif
 	endif
 endif
 
-ARCH ::= amd64
+ARCH := amd64
-ALL_ARCHS ::= amd64 arm64
+ALL_ARCHS := amd64 arm64
 _ARCH = $(or $(filter $(ARCH),$(ALL_ARCHS)),$(error $$ARCH [$(ARCH)] must be exactly one of "$(ALL_ARCHS)"))
 
 ifneq ($(TRIVY_REMOTE),)
-	TRIVY_OPTS ::= --server $(TRIVY_REMOTE)
+	TRIVY_OPTS := --server $(TRIVY_REMOTE)
 endif
 
 .SILENT: ; # no need for @
@@ -33,20 +32,18 @@ endif
 help: ## Show Help
 	grep -E '^[a-zA-Z_-]+:.*?## .*$$' .ci/podman.mk | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
 
-prepare:: ## custom step on the build agent before building
-
-fmt:: ## auto format source
-
-lint:: ## Lint source
-
 build: ## Build the app
 	buildah build --rm --layers -t $(IMAGE):$(TAG)-$(_ARCH) --build-arg TAG=$(TAG) --build-arg ARCH=$(_ARCH) --platform linux/$(_ARCH) .
 
-test:: ## test built artificats
+test: rm-test-image ## Execute Dockerfile.test
+	test -f Dockerfile.test && \
+		{ buildah build --rm --layers -t $(REGISTRY)/$(IMAGE):$(TAG)-$(_ARCH)-test --from=$(REGISTRY)/$(IMAGE):$(TAG) -f Dockerfile.test --platform linux/$(_ARCH) . && \
+			podman run --rm --env-host -t $(REGISTRY)/$(IMAGE):$(TAG)-$(_ARCH)-test; } || \
+		echo "No Dockerfile.test found, skipping test"
 
 scan: ## Scan image using trivy
 	echo "Scanning $(IMAGE):$(TAG)-$(_ARCH) using Trivy $(TRIVY_REMOTE)"
-	trivy image $(TRIVY_OPTS) --quiet --no-progress localhost/$(IMAGE):$(TAG)-$(_ARCH)
+	trivy image $(TRIVY_OPTS) localhost/$(IMAGE):$(TAG)-$(_ARCH)
 
 # first tag and push all actual images
 # create new manifest for each tag and add all available TAG-ARCH before pushing
@@ -66,19 +63,24 @@ push: ecr-login ## push images to registry
 ecr-login: ## log into AWS ECR public
 	aws ecr-public get-login-password --region $(REGION) | podman login --username AWS --password-stdin $(REGISTRY)
 
-rm-remote-untagged: ## delete all remote untagged and in-dev images, keep 10 tagged
+clean: rm-test-image rm-image ## delete local built container and test images
-	echo "Removing all untagged and in-dev images from $(IMAGE) in $(REGION)"
-	.ci/ecr_public_lifecycle.py --repo $(IMAGE) --dev
 
-clean:: ## clean up source folder
+rm-remote-untagged: ## delete all remote untagged images
+	echo "Removing all untagged images from $(IMAGE) in $(REGION)"
+	IMAGE_IDS=$$(for image in $$(aws ecr-public describe-images --repository-name $(IMAGE) --region $(REGION) --output json | jq -r '.imageDetails[] | select(.imageTags | not ).imageDigest'); do echo -n "imageDigest=$$image "; done) ; \
+		[ -n "$$IMAGE_IDS" ] && aws ecr-public batch-delete-image --repository-name $(IMAGE) --region $(REGION) --image-ids $$IMAGE_IDS || echo "No image to remove"
 
 rm-image:
 	test -z "$$(podman image ls -q $(IMAGE):$(TAG)-$(_ARCH))" || podman image rm -f $(IMAGE):$(TAG)-$(_ARCH) > /dev/null
 	test -z "$$(podman image ls -q $(IMAGE):$(TAG)-$(_ARCH))" || echo "Error: Removing image failed"
 
-## some useful tasks during development
+# Ensure we run the tests by removing any previous runs
+rm-test-image:
+	test -z "$$(podman image ls -q $(IMAGE):$(TAG)-$(_ARCH)-test)" || podman image rm -f $(IMAGE):$(TAG)-$(_ARCH)-test > /dev/null
+	test -z "$$(podman image ls -q $(IMAGE):$(TAG)-$(_ARCH)-test)" || echo "Error: Removing test image failed"
+
 ci-pull-upstream: ## pull latest shared .ci subtree
-	git subtree pull --prefix .ci ssh://git@git.zero-downtime.net/ZeroDownTime/ci-tools-lib.git master --squash -m "Merge latest ci-tools-lib"
+	git stash && git subtree pull --prefix .ci ssh://git@git.zero-downtime.net/ZeroDownTime/ci-tools-lib.git master --squash && git stash pop
 
 create-repo: ## create new AWS ECR public repository
 	aws ecr-public create-repository --repository-name $(IMAGE) --region $(REGION)

.ci/vars/buildPodman.groovy

@@ -2,9 +2,6 @@
 
 def call(Map config=[:]) {
     pipeline {
-      options {
-        disableConcurrentBuilds()
-      }
       agent {
         node {
           label 'podman-aws-trivy'
@@ -13,22 +10,18 @@ def call(Map config=[:]) {
       stages {
         stage('Prepare') {
           steps {
-            sh 'mkdir -p reports'
-
-            // we set pull tags as project adv. options
             // pull tags
-            //withCredentials([gitUsernamePassword(credentialsId: 'gitea-jenkins-user')]) {
+            withCredentials([gitUsernamePassword(credentialsId: 'gitea-jenkins-user')]) {
-            //  sh 'git fetch -q --tags ${GIT_URL}'
+              sh 'git fetch -q --tags ${GIT_URL}'
-            //}
+            }
-            // Optional project specific preparations
+            sh 'make prepare || true'
-            sh 'make prepare'
           }
         }
 
         // Build using rootless podman
         stage('Build') {
           steps {
-            sh 'make build GIT_BRANCH=$GIT_BRANCH'
+            sh 'make build'
           }
         }
 
@@ -40,13 +33,12 @@ def call(Map config=[:]) {
 
         // Scan via trivy
         stage('Scan') {
+          environment {
+            TRIVY_FORMAT = "template"
+            TRIVY_OUTPUT = "reports/trivy.html"
+          }
           steps {
-            // we always scan and create the full json report
+            sh 'mkdir -p reports && make scan'
-            sh 'TRIVY_FORMAT=json TRIVY_OUTPUT="reports/trivy.json" make scan'
-
-            // render custom full html report
-            sh 'trivy convert -f template -t @/home/jenkins/html.tpl -o reports/trivy.html reports/trivy.json'
-
             publishHTML target: [
               allowMissing: true,
               alwaysLinkToLastBuild: true,
@@ -56,33 +48,26 @@ def call(Map config=[:]) {
               reportName: 'TrivyScan',
               reportTitles: 'TrivyScan'
             ]
-            sh 'echo "Trivy report at: $BUILD_URL/TrivyScan"'
 
-            // fail build if issues found above trivy threshold
+            // Scan again and fail on CRITICAL vulns, if not overridden
             script {
-              if ( config.trivyFail ) {
+              if (config.trivyFail == 'NONE') {
-                sh "TRIVY_SEVERITY=${config.trivyFail} trivy convert --report summary --exit-code 1 reports/trivy.json"
+                echo 'trivyFail == NONE, review Trivy report manually. Proceeding ...'
+              } else {
+                sh "TRIVY_EXIT_CODE=1 TRIVY_SEVERITY=${config.trivyFail} make scan"
               }
             }
           }
         }
 
-        // Push to container registry if not PR
+        // Push to container registry, skip if PR
-        // incl. basic registry retention removing any untagged images
         stage('Push') {
           when { not { changeRequest() } }
           steps {
             sh 'make push'
-            sh 'make rm-remote-untagged'
           }
         }
 
-        // generic clean
-        stage('cleanup') {
-          steps {
-            sh 'make clean'
-          }
-        }
       }
     }
   }

.gitignore

@@ -59,5 +59,3 @@ reports/
 # virtualenv
 venv/
 ENV/
-
-aws-lambda-rie

Dockerfile

@@ -1,16 +1,15 @@
 # https://aws.amazon.com/blogs/aws/new-for-aws-lambda-container-image-support/
+ARG RUNTIME_VERSION="3.9"
+
 # libexec is missing from >=3.17
+ARG DISTRO_VERSION="3.16"
 
 # Stage 1 - bundle base image + runtime
-FROM python:3.12-alpine3.19 AS python-alpine
+FROM python:${RUNTIME_VERSION}-alpine${DISTRO_VERSION} AS python-alpine
-ARG  ALPINE="v3.19"
 
 # Install GCC (Alpine uses musl but we compile and link dependencies with GCC)
-RUN echo "@kubezero https://cdn.zero-downtime.net/alpine/${ALPINE}/kubezero" >> /etc/apk/repositories && \
+RUN apk upgrade -U --available --no-cache && \
-    wget -q -O /etc/apk/keys/stefan@zero-downtime.net-61bb6bfb.rsa.pub https://cdn.zero-downtime.net/alpine/stefan@zero-downtime.net-61bb6bfb.rsa.pub
+    apk add --no-cache \
-
-RUN apk -U --no-cache upgrade && \
-    apk --no-cache add \
     libstdc++
 
 
@@ -19,7 +18,8 @@ FROM python-alpine AS build-image
 ARG TAG="latest"
 
 # Install aws-lambda-cpp build dependencies
-RUN apk --no-cache add \
+RUN apk upgrade -U --available --no-cache && \
+    apk add --no-cache \
     build-base \
     libtool \
     autoconf \
@@ -28,8 +28,8 @@ RUN apk --no-cache add \
     cmake \
     libcurl \
     libffi-dev \
-    openssl-dev \
+    libexecinfo-dev \
-    libexecinfo-dev@kubezero
+    openssl-dev
     # cargo
 
 # Install requirements
@@ -40,7 +40,7 @@ RUN export MAKEFLAGS="-j$(nproc)" && \
 # Install our app
 COPY app.py /app
 
-# Set internal __version__ to our own container TAG
+# Ser version to our TAG
 RUN sed -i -e "s/^__version__ =.*/__version__ = \"${TAG}\"/" /app/app.py
 
 # Stage 3 - final runtime image

Dockerfile.test

@@ -0,0 +1,26 @@
+FROM setviacmdline:latest
+
+# Install additional tools for tests
+COPY dev-requirements.txt .flake8 .
+RUN export MAKEFLAGS="-j$(nproc)" && \
+    pip install -r dev-requirements.txt
+
+# Unit Tests / Static / Style etc.
+COPY tests/ tests/
+RUN flake8 app.py tests && \
+    codespell app.py tests
+
+# Get aws-lambda run time emulator
+ADD https://github.com/aws/aws-lambda-runtime-interface-emulator/releases/latest/download/aws-lambda-rie /usr/local/bin/aws-lambda-rie
+RUN chmod 0755 /usr/local/bin/aws-lambda-rie && \
+    mkdir -p tests
+
+# Install pytest
+RUN pip install pytest --target /app
+
+# Add our tests
+ADD tests /app/tests
+
+# Run tests
+ENTRYPOINT []
+CMD /usr/local/bin/python -m pytest tests -c tests/pytest.ini --capture=tee-sys

Makefile

@@ -3,21 +3,3 @@ IMAGE := sns-alert-hub
 REGION := us-east-1
 
 include .ci/podman.mk
-
-SOURCE := app.py tests/test_aws-lambda-rie.py
-
-test:: aws-lambda-rie
-	./run_tests.sh "$(IMAGE):$(TAG)-$(_ARCH)"
-
-fmt::
-	autopep8 -i -a $(SOURCE)
-
-lint::
-	flake8 $(SOURCE)
-	codespell $(SOURCE)
-
-clean::
-	rm -rf .pytest_cache __pycache__ aws-lambda-rie
-
-aws-lambda-rie:
-	wget https://github.com/aws/aws-lambda-runtime-interface-emulator/releases/latest/download/aws-lambda-rie && chmod 0755 aws-lambda-rie

app.py

@@ -106,8 +106,7 @@ def handler(event, context):
     if "AlarmName" in msg:
         title = "AWS Cloudwatch Alarm"
 
-        # Discard NewStateValue == OK && OldStateValue == INSUFFICIENT_DATA as
+        # Discard NewStateValue == OK && OldStateValue == INSUFFICIENT_DATA as these are triggered by installing new Alarms and only cause confusion
-        # these are triggered by installing new Alarms and only cause confusion
         if msg["NewStateValue"] == "OK" and msg["OldStateValue"] == "INSUFFICIENT_DATA":
             logger.info(
                 "Discarding Cloudwatch Metrics Alarm as state is OK and previous state was insufficient data, most likely new alarm being installed"
@@ -239,57 +238,14 @@ def handler(event, context):
             except KeyError:
                 pass
 
-    # ElasticCache snapshot notifications
+    # New simple ElasticCache notifications
     elif "ElastiCache:SnapshotComplete" in msg:
         title = "ElastiCache Snapshot complete."
         body = "Snapshot taken on {}".format(
             msg["ElastiCache:SnapshotComplete"])
 
-    # ElasticCache replacement notifications
-    elif "ElastiCache:NodeReplacementScheduled" in msg:
-        title = "ElastiCache node replacement scheduled"
-        body = "{} will be replaced between {} and {}".format(
-            msg["ElastiCache:NodeReplacementScheduled"], msg["Start Time"], msg["End Time"])
-
-    # ElasticCache replacement notifications
-    elif "ElastiCache:CacheNodeReplaceStarted" in msg:
-        title = "ElastiCache fail over stareted"
-        body = "for node {}".format(msg["ElastiCache:CacheNodeReplaceStarted"])
-
-    # ElasticCache replacement notifications
-    elif "ElastiCache:FailoverComplete" in msg:
-        title = "ElastiCache fail over complete"
-        body = "for node {}".format(msg["ElastiCache:FailoverComplete"])
-
-    # ElasticCache update notifications
-    elif "ElastiCache:ServiceUpdateAvailableForNode" in msg:
-        title = "ElastiCache update available"
-        body = "for node {}".format(msg["ElastiCache:ServiceUpdateAvailableForNode"])
-
-    elif "ElastiCache:ServiceUpdateAvailable" in msg:
-        title = "ElastiCache update available"
-        body = "for Group {}".format(msg["ElastiCache:ServiceUpdateAvailable"])
-
-    # known RDS events
-    elif "Event Source" in msg and msg['Event Source'] in ["db-instance", "db-cluster-snapshot", "db-snapshot"]:
-        try:
-            title = msg["Event Message"]
-            try:
-                name = " ({}).".format(
-                    msg["Tags"]["Name"])
-            except (KeyError, IndexError):
-                name = ""
-
-            body = "RDS {}: <{}|{}>{}\n<{}|Event docs>".format(msg["Event Source"].replace("db-", ""),
-                                                               msg["Identifier Link"], msg["Source ID"], name, msg["Event ID"])
-
-        except KeyError:
-            msg_type = apprise.NotifyType.WARNING
-            body = sns["Message"]
-            pass
-
     # Basic ASG events
-    elif "Event" in msg and msg["Event"] in ["autoscaling:EC2_INSTANCE_TERMINATE", "autoscaling:EC2_INSTANCE_LAUNCH"]:
+    elif "Origin" in msg and msg["Origin"] == "AutoScalingGroup":
         title = msg["Description"]
         body = msg["Cause"]
 
@@ -308,5 +264,4 @@ def handler(event, context):
         msg_type = apprise.NotifyType.WARNING
         body = sns["Message"]
 
-    if not apobj.notify(body=body, title=title, notify_type=msg_type):
+    apobj.notify(body=body, title=title, notify_type=msg_type)
-        logger.error("Error during notify!")

dev-requirements.txt

@@ -1,4 +1,3 @@
 pytest
-autopep8
 flake8
 codespell

renovate.json

@@ -1,10 +0,0 @@
-{
-  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [
-    "config:recommended",
-    ":label(renovate)",
-    ":semanticCommits",
-    "group:allNonMajor"
-  ],
-  "prHourlyLimit": 0
-}

requirements.txt

@@ -1,4 +1,4 @@
-boto3==1.34.84
+boto3
-apprise==1.7.6
+apprise
-humanize==4.9.0
+humanize
-awslambdaric==2.0.11
+awslambdaric

run_tests.sh

@@ -1,17 +0,0 @@
-#!/bin/sh -ex
-
-IMAGE=$1
-
-ctr=$(buildah from $IMAGE)
-trap "buildah rm $ctr" EXIT
-
-buildah copy $ctr dev-requirements.txt .flake8 .
-buildah copy $ctr aws-lambda-rie
-buildah copy $ctr tests/ tests/
-
-buildah run $ctr pip install -r dev-requirements.txt --target .
-
-buildah run $ctr python -m flake8 app.py
-buildah run $ctr python -m codespell_lib app.py
-
-buildah run $ctr python -m pytest tests -c tests/pytest.ini --capture=tee-sys

tests/test_aws-lambda-rie.py

@@ -9,13 +9,8 @@ from requests.packages.urllib3.util.retry import Retry
 
 s = requests.Session()
 retries = Retry(
-    total=3,
+    total=3, backoff_factor=1, status_forcelist=[502, 503, 504], allowed_methods="POST"
-    backoff_factor=1,
+)
-    status_forcelist=[
-        502,
-        503,
-        504],
-    allowed_methods="POST")
 s.mount("http://", HTTPAdapter(max_retries=retries))
 
 
@@ -23,7 +18,7 @@ class Test:
     @classmethod
     def setup_class(cls):
         cls.p = subprocess.Popen(
-            "./aws-lambda-rie python -m awslambdaric app.handler", shell=True
+            "aws-lambda-rie python -m awslambdaric app.handler", shell=True
         )
 
     @classmethod
@@ -73,44 +68,6 @@ class Test:
         )
         self.send_event(event)
 
-    # RDS
-    def test_rds_event(self):
-        event = json.loads(
-            r''' {
-        "Records": [
-            {
-                "EventSource": "aws:sns",
-                "EventVersion": "1.0",
-                "EventSubscriptionArn": "arn:aws:sns:us-west-2:123456789012:AlertHub:63470449-620d-44ce-971f-ad9582804b13",
-                "Sns": {
-                    "Type": "Notification",
-                    "MessageId": "ef1f821c-a04f-5c5c-9dff-df498532069b",
-                    "TopicArn": "arn:aws:sns:us-west-2:123456789012:AlertHub",
-                    "Subject": "RDS Notification Message",
-                    "Message": "{\"Event Source\":\"db-cluster-snapshot\",\"Event Time\":\"2023-08-15 07:03:24.491\",\"Identifier Link\":\"https://console.aws.amazon.com/rds/home?region=us-west-2#snapshot:engine=aurora;id=rds:projectdb-cluster-2023-08-15-07-03\",\"Source ID\":\"rds:projectdb-cluster-2023-08-15-07-03\",\"Source ARN\":\"arn:aws:rds:us-west-2:123456789012:cluster-snapshot:rds:projectdb-cluster-2023-08-15-07-03\",\"Event ID\":\"http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_Events.Messages.html#RDS-EVENT-0168\",\"Event Message\":\"Creating automated cluster snapshot\",\"Tags\":{}}",
-                    "Timestamp": "2023-08-15T07:03:25.289Z",
-                    "SignatureVersion": "1",
-                    "Signature": "mRtx+ddS1uzF3alGDWnDtUkAz+Gno8iuv0wPwkeBJPe1LAcKTXVteYhQdP2BB5ZunPlWXPSDsNtFl8Eh6v4/fcdukxH/czc6itqgGiciQ3DCICLvOJrvrVVgsVvHgOA/Euh8wryzxeQ3HJ/nmF9sg/PtuKyxvGxyO7NSFJrRKkqwkuG1Wr/8gcN3nrenqNTzKiC16kzVuKISWgXM1jqbsleQ4MyBcjq61LRwODKB8tc8vJ6PLGOs4Lrc3qeruCqF3Tzpl43680RsaRBBn1SLycwFVdB1kpHSXuk+YJQ6BS7s6rbMoyhPOpSCFHMZXC/eEb09wTzgpop0KDE/koiUsg==",
-                    "SigningCertUrl": "https://sns.us-west-2.amazonaws.com/SimpleNotificationService-01d088a6f77103d0fe307c0069e40ed6.pem",
-                    "UnsubscribeUrl": "https://sns.us-west-2.amazonaws.com/?Action=Unsubscribe&SubscriptionArn=arn:aws:sns:us-west-2:123456789012:AlertHub:63470449-620d-44ce-971f-ad9582804b13",
-                    "MessageAttributes": {
-                        "Resource": {
-                            "Type": "String",
-                            "Value": "arn:aws:rds:us-west-2:123456789012:cluster-snapshot:rds:projectdb-cluster-2023-08-15-07-03"
-                        },
-                        "EventID": {
-                            "Type": "String",
-                            "Value": "RDS-EVENT-0168"
-                        }
-                    }
-                }
-            }
-        ]
-    }
-            '''
-        )
-        self.send_event(event)
-
     def test_asg(self):
         event = json.loads(
             r' {"Records": [{"EventSource": "aws:sns", "EventVersion": "1.0", "EventSubscriptionArn": "arn:aws:sns:eu-central-1:123456789012:AlertHub:0e7ce1ba-c3e4-4264-bae1-4eb71c91235a", "Sns": {"Type": "Notification", "MessageId": "10ae86eb-9ddc-5c2f-806c-df6ecb6bde42", "TopicArn": "arn:aws:sns:eu-central-1:123456789012:AlertHub", "Subject": null, "Message": "{\"Origin\":\"AutoScalingGroup\",\"Destination\":\"EC2\",\"Progress\":50,\"AccountId\":\"123456789012\",\"Description\":\"Terminating EC2 instance: i-023ca42b188ffd91d\",\"RequestId\":\"1764cac3-224b-46bf-8bed-407a5b868e63\",\"EndTime\":\"2023-05-15T08:51:16.195Z\",\"AutoScalingGroupARN\":\"arn:aws:autoscaling:us-west-2:123456789012:autoScalingGroup:4a4fb6e3-22b4-487b-8335-3904f02ff9fd:autoScalingGroupName/powerbi\",\"ActivityId\":\"1764cac3-224b-46bf-8bed-407a5b868e63\",\"StartTime\":\"2023-05-15T08:50:14.145Z\",\"Service\":\"AWS Auto Scaling\",\"Time\":\"2023-05-15T08:51:16.195Z\",\"EC2InstanceId\":\"i-023ca42b188ffd91d\",\"StatusCode\":\"InProgress\",\"StatusMessage\":\"\",\"Details\":{\"Subnet ID\":\"subnet-fe2d6189\",\"Availability Zone\":\"us-west-2a\"},\"AutoScalingGroupName\":\"powerbi\",\"Cause\":\"At 2023-05-15T08:50:03Z the scheduled action end executed. Setting min size from 1 to 0. Setting desired capacity from 1 to 0.  At 2023-05-15T08:50:03Z a scheduled action update of AutoScalingGroup constraints to min: 0, max: 1, desired: 0 changing the desired capacity from 1 to 0.  At 2023-05-15T08:50:13Z an instance was taken out of service in response to a difference between desired and actual capacity, shrinking the capacity from 1 to 0.  At 2023-05-15T08:50:14Z instance i-023ca42b188ffd91d was selected for termination.\",\"Event\":\"autoscaling:EC2_INSTANCE_TERMINATE\"}" }}]}'