The main entrypoint for this script. It parses CLI arguments and kicks off a rolling deployment.
"""
parser = argparse.ArgumentParser(description='Perform a rolling deployment of a server group.')
parser.add_argument('--aws-region', help='The AWS region to use.', required=True)
parser.add_argument('--server-group-size', help='The number of servers in the server group.', required=True, type=int)
parser.add_argument('--server-group-name', help='The name of the server group. This should stay the same across all deployments.', required=True)
parser.add_argument('--launch-config-name', help='The name of the Launch Configuration. This should change for each deployment.', required=True)
parser.add_argument('--alb-target-group-arns', help='The ARN of an ALB Target Group to use for health checks.', nargs='*')
parser.add_argument('--elb-names', help='The name of an ELB to use for health checks.', nargs='*')
parser.add_argument('--batch-size', help='The number of servers to redeploy at a time.', type=int, default=helpers.DEFAULT_BATCH_SIZE)
parser.add_argument('--max-retries', help='Maximum number of times to retry checking.', type=int, default=helpers.DEFAULT_MAX_RETRIES)
parser.add_argument('--retry-interval-sec', help='How long to wait between each health check in seconds.', type=int, default=helpers.DEFAULT_SLEEP_BETWEEN_RETRIES_SEC)
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class=\"preview__body--content\"><div><ul class=\"code__list\"><li class=\"code__item\"><span class=\"code__text\">import argparse</span></li>\n<li class=\"code__item\"><span class=\"code__text\">import helpers</span></li>\n<li class=\"code__item\"><span class=\"code__text\">import os</span></li>\n<li class=\"code__item\"><span class=\"code__text\">import time</span></li>\n<li class=\"code__item\"><span class=\"code__text\">from threading import Thread</span></li>\n<li class=\"code__item\"><span class=\"code__text\"></span></li>\n<li class=\"code__item\"><span class=\"code__text\">LAUNCH_CONFIG_TAG_NAME = <span class=\"hljs-string\">'LaunchConfigName'</span></span></li>\n<li class=\"code__item\"><span class=\"code__text\"></span></li>\n<li class=\"code__item\"><span class=\"code__text\"></span></li>\n<li class=\"code__item\"><span class=\"code__text\">def run():</span></li>\n<li class=\"code__item\"><span class=\"code__text\"> <span class=\"hljs-string\">\"\"</span><span class=\"hljs-string\">\"</span></li>\n<li class=\"code__item\"><span class=\"code__text\"> The main entrypoint for this script. It parses CLI arguments and kicks off a rolling deployment.</span></li>\n<li class=\"code__item\"><span class=\"code__text\"> \"</span><span class=\"hljs-string\">\"\"</span></span></li>\n<li class=\"code__item\"><span class=\"code__text\"></span></li>\n<li class=\"code__item\"><span class=\"code__text\"> parser = argparse.ArgumentParser(description=<span class=\"hljs-string\">'Perform a rolling deployment of a server group.'</span>)</span></li>\n<li class=\"code__item\"><span class=\"code__text\"></span></li>\n<li class=\"code__item\"><span class=\"code__text\"> parser.add_argument(<span class=\"hljs-string\">'--aws-region'</span>, <span class=\"hljs-built_in\">help</span>=<span class=\"hljs-string\">'The AWS region to use.'</span>, required=True)</span></li>\n<li class=\"code__item\"><span class=\"code__text\"> parser.add_argument(<span class=\"hljs-string\">'--server-group-size'</span>, <span class=\"hljs-built_in\">help</span>=<span class=\"hljs-string\">'The number of servers in the server group.'</span>, required=True, <span class=\"hljs-built_in\">type</span>=int)</span></li>\n<li class=\"code__item\"><span class=\"code__text\"> parser.add_argument(<span class=\"hljs-string\">'--server-group-name'</span>, <span class=\"hljs-built_in\">help</span>=<span class=\"hljs-string\">'The name of the server group. This should stay the same across all deployments.'</span>, required=True)</span></li>\n<li class=\"code__item\"><span class=\"code__text\"> parser.add_argument(<span class=\"hljs-string\">'--launch-config-name'</span>, <span class=\"hljs-built_in\">help</span>=<span class=\"hljs-string\">'The name of the Launch Configuration. This should change for each deployment.'</span>, required=True)</span></li>\n<li class=\"code__item\"><span class=\"code__text\"> parser.add_argument(<span class=\"hljs-string\">'--alb-target-group-arns'</span>, <span class=\"hljs-built_in\">help</span>=<span class=\"hljs-string\">'The ARN of an ALB Target Group to use for health checks.'</span>, nargs=<span class=\"hljs-string\">'*'</span>)</span></li>\n<li class=\"code__item\"><span class=\"code__text\"> parser.add_argument(<span class=\"hljs-string\">'--elb-names'</span>, <span class=\"hljs-built_in\">help</span>=<span class=\"hljs-string\">'The name of an ELB to use for health checks.'</span>, nargs=<span class=\"hljs-string\">'*'</span>)</span></li>\n<li class=\"code__item\"><span class=\"code__text\"> parser.add_argument(<span class=\"hljs-string\">'--batch-size'</span>, <span class=\"hljs-built_in\">help</span>=<span class=\"hljs-string\">'The number of servers to redeploy at a time.'</span>, <span class=\"hljs-built_in\">type</span>=int, default=helpers.DEFAULT_BATCH_SIZE)</span></li>\n<li class=\"code__item\"><span class=\"code__text\"> parser.add_argument(<span class=\"hljs-string\">'--max-retries'</span>, <span class=\"hljs-built_in\">help</span>=<span class=\"hljs-string\">'Maximum number of times to retry checking.'</span>, <span class=\"hljs-built_in\">type</span>=int, default=helpers.DEFAULT_MAX_RETRIES)</span></li>\n<li class=\"code__item\"><span class=\"code__text\"> parser.add_argument(<span class=\"hljs-string\">'--retry-interval-sec'</span>, <span class=\"hljs-built_in\">help</span>=<span class=\"hljs-string\">'How long to wait between each health check in seconds.'</span>, <span class=\"hljs-built_in\">type</span>=int, default=helpers.DEFAULT_SLEEP_BETWEEN_RETRIES_SEC)</span></li></ul></div></div>","repoName":"module-asg","repoRef":"v0.8.6","serviceDescriptor":{"serviceName":"Auto Scaling Group (stateful)","serviceRepoName":"module-asg","serviceRepoOrg":"gruntwork-io","serviceMainReadmePath":"/modules/server-group","cloudProviders":["aws"],"description":"Run an Auto Scaling Group for stateful apps. Supports zero-downtime, rolling deployment, auto healing, IAM Roles, EBS Volumes, and ENIs.","imageUrl":"auto-scaling2.png","licenseType":"subscriber","technologies":["Terraform","Bash"],"compliance":[],"tags":[""]},"serviceCategoryName":"Server orchestration","fileName":"rolling_deployment.py","filePath":"/modules/server-group/rolling-deploy/rolling_deployment.py","title":"Repo Browser: Auto Scaling Group (stateful)","description":"Browse the repos in the Gruntwork Infrastructure as Code Library."}
.circleci
README.md
