def purge_containerd():
"""
Purge Containerd from the cluster.
:return: None
"""
status.maintenance('Removing containerd from principal')
host.service_stop('containerd.service')
apt_unhold(CONTAINERD_PACKAGE)
apt_purge(CONTAINERD_PACKAGE, fatal=True)
if is_state('containerd.nvidia.ready'):
nvidia_packages = config('nvidia_apt_packages').split()
apt_purge(nvidia_packages, fatal=True)
sources = ['/etc/apt/sources.list.d/nvidia.list']
for f in sources:
if os.path.isfile(f):
os.remove(f)
apt_autoremove(purge=True, fatal=True)
remove_state('containerd.ready')
remove_state('containerd.installed')
remove_state('containerd.nvidia.ready')
remove_state('containerd.nvidia.checked')
remove_state('containerd.nvidia.available')
remove_state('containerd.version-published')
def unhold_all():
"""
Unhold Packages.
:return: None
"""
for k in docker_packages.keys():
apt_unhold(docker_packages[k])
def puppet_version_config_changed():
'''React to pin-puppet version changed
'''
p = PuppetConfigs()
# Reinstall puppet to specified version
hookenv.status_set('maintenance', 'Re-installing puppet.')
if config.previous('pin-puppet') != config['pin-puppet']:
apt_unhold(p.puppet_purge)
apt_purge(p.puppet_purge)
PuppetConfigs.install_puppet(p)
def toggle_docker_daemon_source():
"""
A disruptive reaction to config changing that will remove the existing
docker daemon and install the latest available deb from the upstream PPA,
Nvidia PPA, or Universe depending on the docker_runtime setting.
:return: None or False
"""
# This returns a list of packages not currently installed on the system
# based on the parameters input. Use this to check if we have taken
# prior action against a docker deb package.
installed = []
for k in docker_packages.keys():
packages = filter_installed_packages(docker_packages[k])
if packages == []:
installed.append(k)
# None of the docker packages are installed.
if len(installed) == 0:
# We have not reached installation phase, return until
# we can reasonably re-test this scenario.
hookenv.log('No supported docker runtime is installed. Noop.')
return
runtime = determine_apt_source()
if not docker_packages.get(runtime):
hookenv.log('Unknown runtime {}'.format(runtime))
return False
hookenv.log('Runtime to install {}'.format(runtime))
# Workaround
# https://bugs.launchpad.net/ubuntu/+source/docker.io/+bug/1724353.
if os.path.exists('/var/lib/docker/nuke-graph-directory.sh'):
hookenv.log('Workaround bug 1724353')
cmd = "sed -i '1i#!/bin/bash' /var/lib/docker/nuke-graph-directory.sh"
check_call(split(cmd))
# The package we want is not installed
# so we need to uninstall either of the others that are installed
# and reset the state to forcea reinstall.
if runtime not in installed:
host.service_stop('docker')
for k in docker_packages.keys():
package_list = " ".join(docker_packages[k])
hookenv.log('Removing package(s): {}.'.format(package_list))
apt_unhold(docker_packages[k])
apt_purge(docker_packages[k])
remove_state('docker.ready')
remove_state('docker.available')
else:
hookenv.log('Not touching packages.')
def remove():
"""
Remove the docker daemon after
relation departs.
:return: None
"""
host.service_stop('docker')
for k in docker_packages.keys():
package_list = " ".join(docker_packages[k])
hookenv.log('Removing package(s): {}.'.format(package_list))
apt_unhold(docker_packages[k])
apt_purge(docker_packages[k])
def remove():
"""
Remove the docker daemon after
relation departs.
:return: None
"""
host.service_stop("docker")
for k in docker_packages.keys():
package_list = " ".join(docker_packages[k])
hookenv.log("Removing package(s): {}.".format(package_list))
apt_unhold(docker_packages[k])
apt_purge(docker_packages[k])
shutil.rmtree("/etc/systemd/system/docker.service.d/", ignore_errors=True)
def ensure_package_status():
'''Hold or unhold packages per the package_status configuration option.
All packages installed using this module and handlers are affected.
An mechanism may be added in the future to override this for a
subset of installed packages.
'''
packages = installed()
if not packages:
return
config = hookenv.config()
package_status = config.get('package_status') or ''
changed = reactive.helpers.data_changed('apt.package_status',
(package_status, sorted(packages)))
if changed:
if package_status == 'hold':
hookenv.log('Holding packages {}'.format(','.join(packages)))
fetch.apt_hold(packages)
else:
hookenv.log('Unholding packages {}'.format(','.join(packages)))
fetch.apt_unhold(packages)
reactive.remove_state('apt.needs_hold')
def ensure_package_status():
'''Hold or unhold packages per the package_status configuration option.
All packages installed using this module and handlers are affected.
An mechanism may be added in the future to override this for a
subset of installed packages.
'''
packages = installed()
if not packages:
return
config = hookenv.config()
package_status = config['package_status']
changed = reactive.helpers.data_changed('apt.package_status',
(package_status, sorted(packages)))
if changed:
if package_status == 'hold':
hookenv.log('Holding packages {}'.format(','.join(packages)))
fetch.apt_hold(packages)
else:
hookenv.log('Unholding packages {}'.format(','.join(packages)))
fetch.apt_unhold(packages)
reactive.remove_state('apt.needs_hold')
def unholdall():
for k in dockerpackages.keys():
apt_unhold(dockerpackages[k])
