![\"\"](\"https:\/\/artem.services\/wp-content\/uploads\/2021\/03\/Python-logo.png\"){kind=logo}
<\/p>\n<\/p>\n
This script looks for an EBS<\/strong> in the region "eu-west-1<\/strong>" with a tag whose key is "Application<\/strong>" and the value is passed as an argument, creating a snapshot of this EBS.<\/span><\/span> In the same way, it searches for a snapshot by tag and deletes everything except the last one.<\/span><\/span><\/span><\/p>\n An example of running to create a snapshot:<\/span><\/span><\/span><\/p>\n <\/p>\n An example of running to delete old snapshots:<\/span><\/span><\/span><\/p>\n <\/p>\n This script looks for an EBS in the region "eu-west-1" with a tag whose key is "Application" and the value is passed as an argument, creating a snapshot of this EBS. In the same way, it searches for a snapshot by tag and deletes everything except the last one. An example of running to create … \u041f\u0440\u043e\u0434\u043e\u043b\u0436\u0438\u0442\u044c \u0447\u0438\u0442\u0430\u0442\u044c "\u00a0Python — AWS EBS creating snapshots based on a tag and keeping only one latest version"<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[599],"tags":[543,1441,1851,1527,1529,1853],"_links":{"self":[{"href":"https:\/\/artem.services\/index.php?rest_route=\/wp\/v2\/posts\/2270"}],"collection":[{"href":"https:\/\/artem.services\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/artem.services\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/artem.services\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/artem.services\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2270"}],"version-history":[{"count":2,"href":"https:\/\/artem.services\/index.php?rest_route=\/wp\/v2\/posts\/2270\/revisions"}],"predecessor-version":[{"id":2275,"href":"https:\/\/artem.services\/index.php?rest_route=\/wp\/v2\/posts\/2270\/revisions\/2275"}],"wp:attachment":[{"href":"https:\/\/artem.services\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/artem.services\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/artem.services\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\r\npython3 main.py create artem-test-app\r\n<\/pre>\n
\r\npython3 main.py cleanup artem-test-app\r\n<\/pre>\n
main.py:<\/h3>\n
\r\nfrom __future__ import print_function\r\nfrom datetime import datetime\r\nimport sys\r\nimport boto3\r\nimport botocore\r\nimport urllib.request\r\n\r\nec2 = boto3.client('ec2', region_name='eu-west-1')\r\n\r\ndef create_snapshot(app):\r\n print("Creating snapshot for " + str(app))\r\n # Get Instance ID\r\n instances_id = []\r\n response = ec2.describe_instances(\r\n Filters = [\r\n {\r\n 'Name': 'tag:Application',\r\n 'Values': [\r\n app,\r\n ]\r\n },\r\n {\r\n 'Name': 'instance-state-name',\r\n 'Values': ['running']\r\n }\r\n ]\r\n )\r\n\r\n for reservation in response['Reservations']:\r\n for instance in reservation['Instances']:\r\n instances_id.append(instance['InstanceId'])\r\n\r\n # Get Volumes ID\r\n volumes_id = []\r\n for instance_id in instances_id:\r\n response = ec2.describe_instance_attribute(InstanceId = instance_id, Attribute = 'blockDeviceMapping')\r\n for BlockDeviceMappings in response['BlockDeviceMappings']:\r\n volumes_id.append(BlockDeviceMappings['Ebs']['VolumeId'])\r\n\r\n # Create Volume Snapshot\r\n for volume_id in volumes_id:\r\n date = datetime.now()\r\n response = ec2.create_snapshot(\r\n Description = app + " snapshot created by Jenkins at " + str(date),\r\n VolumeId = volume_id,\r\n TagSpecifications=[\r\n {\r\n 'ResourceType': 'snapshot',\r\n 'Tags': [\r\n {\r\n 'Key': 'Name',\r\n 'Value': app + "-snapshot"\r\n },\r\n ]\r\n },\r\n ]\r\n )\r\n\r\n\r\n try:\r\n print("Waiting until snapshot will be created...")\r\n snapshot_id = response['SnapshotId']\r\n snapshot_complete_waiter = ec2.get_waiter('snapshot_completed')\r\n snapshot_complete_waiter.wait(SnapshotIds=[snapshot_id], WaiterConfig = { 'Delay': 30, 'MaxAttempts': 120})\r\n\r\n except botocore.exceptions.WaiterError as e:\r\n print(e)\r\n\r\ndef cleanup_snapshot(app):\r\n print("Clean up step.")\r\n print("Looking for all snapshots regarding " + str(app) + " application.")\r\n # Get snapshots\r\n response = ec2.describe_snapshots(\r\n Filters = [\r\n {\r\n 'Name': 'tag:Name',\r\n 'Values': [\r\n app + "-snapshot",\r\n ]\r\n },\r\n ],\r\n OwnerIds = [\r\n 'self',\r\n ]\r\n )\r\n\r\n sorted_snapshots = sorted(response['Snapshots'], key=lambda k: k['StartTime'])\r\n\r\n # Clean up snapshots and keep only the latest snapshot\r\n for snapshot in sorted_snapshots[:-1]:\r\n print("Deleting snapshot: " + str(snapshot['SnapshotId']))\r\n response = ec2.delete_snapshot(\r\n SnapshotId = snapshot['SnapshotId']\r\n )\r\n\r\ndef main():\r\n if sys.argv[1:] and sys.argv[2:]:\r\n action = sys.argv[1]\r\n app = sys.argv[2]\r\n if action == 'create':\r\n create_snapshot(app)\r\n elif action == 'cleanup':\r\n cleanup_snapshot(app)\r\n else:\r\n print("Wrong action: " + str(action))\r\n else:\r\n print("This script for create and cleanup snapshots")\r\n print("Usage : python3 " + sys.argv[0] + " {create|cleanup} " + "{application_tag}")\r\n print("Example: python3 " + sys.argv[0] + " create " + "ebs-snapshot-check")\r\n\r\nif __name__ == '__main__':\r\n main()\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"