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f82cbd84f1
This was due to the recent context refactoring. See https://discuss.overhang.io/t/error-with-kubernetes-deployment/240
234 lines
6.9 KiB
Python
234 lines
6.9 KiB
Python
import click
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from .. import config as tutor_config
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from .. import env as tutor_env
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from .. import fmt
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from .. import interactive as interactive_config
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from .. import scripts
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from .. import utils
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@click.group(help="Run Open edX on Kubernetes")
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def k8s():
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pass
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@click.command(help="Configure and run Open edX from scratch")
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@click.option("-I", "--non-interactive", is_flag=True, help="Run non-interactively")
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@click.pass_obj
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def quickstart(context, non_interactive):
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click.echo(fmt.title("Interactive platform configuration"))
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config = interactive_config.update(context.root, interactive=(not non_interactive))
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if config["ACTIVATE_HTTPS"] and not config["WEB_PROXY"]:
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fmt.echo_alert(
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"Potentially invalid configuration: ACTIVATE_HTTPS=true WEB_PROXY=false\n"
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"You should either disable HTTPS support or configure your platform to use"
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" a web proxy. See the Kubernetes section in the Tutor documentation for"
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" more information."
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)
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click.echo(fmt.title("Updating the current environment"))
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tutor_env.save(context.root, config)
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click.echo(fmt.title("Starting the platform"))
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start.callback()
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click.echo(fmt.title("Database creation and migrations"))
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init.callback()
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@click.command(help="Run all configured Open edX services")
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@click.pass_obj
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def start(context):
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# Create namespace
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utils.kubectl(
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"apply",
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"--kustomize",
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tutor_env.pathjoin(context.root),
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"--wait",
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"--selector",
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"app.kubernetes.io/component=namespace",
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)
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# Create volumes
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utils.kubectl(
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"apply",
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"--kustomize",
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tutor_env.pathjoin(context.root),
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"--wait",
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"--selector",
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"app.kubernetes.io/component=volume",
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)
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# Create everything else
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utils.kubectl("apply", "--kustomize", tutor_env.pathjoin(context.root))
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@click.command(help="Stop a running platform")
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@click.pass_obj
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def stop(context):
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config = tutor_config.load(context.root)
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utils.kubectl(
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"delete", *resource_selector(config), "deployments,services,ingress,configmaps"
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)
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@click.command(help="Reboot an existing platform")
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def reboot():
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stop.callback()
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start.callback()
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def resource_selector(config, *selectors):
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"""
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Convenient utility for filtering only the resources that belong to this project.
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"""
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selector = ",".join(
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["app.kubernetes.io/instance=openedx-" + config["ID"]] + list(selectors)
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)
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return ["--namespace", config["K8S_NAMESPACE"], "--selector=" + selector]
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@click.command(help="Completely delete an existing platform")
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@click.option("-y", "--yes", is_flag=True, help="Do not ask for confirmation")
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@click.pass_obj
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def delete(context, yes):
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if not yes:
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click.confirm(
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"Are you sure you want to delete the platform? All data will be removed.",
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abort=True,
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)
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utils.kubectl(
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"delete",
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"-k",
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tutor_env.pathjoin(context.root),
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"--ignore-not-found=true",
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"--wait",
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)
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@click.command(help="Initialise all applications")
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@click.pass_obj
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def init(context):
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config = tutor_config.load(context.root)
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runner = K8sScriptRunner(context.root, config)
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for service in ["mysql", "elasticsearch", "mongodb"]:
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if runner.is_activated(service):
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wait_for_pod_ready(config, service)
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scripts.initialise(runner)
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@click.command(help="Create an Open edX user and interactively set their password")
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@click.option("--superuser", is_flag=True, help="Make superuser")
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@click.option("--staff", is_flag=True, help="Make staff user")
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@click.option(
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"-p",
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"--password",
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help="Specify password from the command line. If undefined, you will be prompted to input a password",
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)
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@click.argument("name")
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@click.argument("email")
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@click.pass_obj
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def createuser(context, superuser, staff, password, name, email):
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config = tutor_config.load(context.root)
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runner = K8sScriptRunner(context.root, config)
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runner.check_service_is_activated("lms")
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command = scripts.create_user_command(
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superuser, staff, name, email, password=password
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)
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kubectl_exec(config, "lms", command, attach=True)
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@click.command(help="Import the demo course")
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@click.pass_obj
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def importdemocourse(context):
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fmt.echo_info("Importing demo course")
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config = tutor_config.load(context.root)
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runner = K8sScriptRunner(context.root, config)
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scripts.import_demo_course(runner)
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@click.command(name="exec", help="Execute a command in a pod of the given application")
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@click.argument("service")
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@click.argument("command")
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@click.pass_obj
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def exec_command(context, service, command):
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config = tutor_config.load(context.root)
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kubectl_exec(config, service, command, attach=True)
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@click.command(help="View output from containers")
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@click.option("-c", "--container", help="Print the logs of this specific container")
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@click.option("-f", "--follow", is_flag=True, help="Follow log output")
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@click.option("--tail", type=int, help="Number of lines to show from each container")
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@click.argument("service")
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@click.pass_obj
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def logs(context, container, follow, tail, service):
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config = tutor_config.load(context.root)
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command = ["logs"]
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selectors = ["app.kubernetes.io/name=" + service] if service else []
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command += resource_selector(config, *selectors)
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if container:
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command += ["-c", container]
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if follow:
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command += ["--follow"]
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if tail is not None:
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command += ["--tail", str(tail)]
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utils.kubectl(*command)
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class K8sScriptRunner(scripts.BaseRunner):
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def exec(self, service, command):
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kubectl_exec(self.config, service, command, attach=False)
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def kubectl_exec(config, service, command, attach=False):
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selector = "app.kubernetes.io/name={}".format(service)
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# Find pod in runner deployment
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wait_for_pod_ready(config, service)
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fmt.echo_info("Finding pod name for {} deployment...".format(service))
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pod = utils.check_output(
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"kubectl",
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"get",
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*resource_selector(config, selector),
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"pods",
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"-o=jsonpath={.items[0].metadata.name}",
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)
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# Run command
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attach_opts = ["-i", "-t"] if attach else []
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utils.kubectl(
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"exec",
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*attach_opts,
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"--namespace",
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config["K8S_NAMESPACE"],
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pod.decode(),
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"--",
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"sh",
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"-e",
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"-c",
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command,
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)
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def wait_for_pod_ready(config, service):
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fmt.echo_info("Waiting for a {} pod to be ready...".format(service))
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utils.kubectl(
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"wait",
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*resource_selector(config, "app.kubernetes.io/name={}".format(service)),
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"--for=condition=ContainersReady",
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"--timeout=600s",
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"pod",
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)
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k8s.add_command(quickstart)
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k8s.add_command(start)
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k8s.add_command(stop)
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k8s.add_command(reboot)
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k8s.add_command(delete)
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k8s.add_command(init)
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k8s.add_command(createuser)
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k8s.add_command(importdemocourse)
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k8s.add_command(exec_command)
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k8s.add_command(logs)
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