def install_tmpfilesd():
'''Install systemd-tmpfiles configuration for ovs vhost-user sockets'''
# NOTE(jamespage): Only do this if libvirt is actually installed
if (init_is_systemd() and user_exists('libvirt-qemu')
and group_exists('kvm')):
shutil.copy('files/nova-ovs-vhost-user.conf', '/etc/tmpfiles.d')
subprocess.check_call(['systemd-tmpfiles', '--create'])
def create_user_and_group_if_not_exists(user, group):
"""Create documize user & group if not exists
"""
if not group_exists(group):
add_group(group)
if not user_exists(user):
adduser(user, system_user=True)
def _install_mattermost():
# Backup existing installation if it exists
backup_path = None
if os.path.isdir('/opt/mattermost'):
backup_path = "/opt/mattermost.back{}".format(str(datetime.datetime.now()))
shutil.move('/opt/mattermost', backup_path)
# Create mattermost user & group if not exists
if not group_exists('mattermost'):
add_group("mattermost")
if not user_exists('mattermost'):
adduser("mattermost", system_user=True)
# Get and uppack resource
mattermost_bdist = resource_get('bdist')
extract_tarfile(mattermost_bdist, destpath="/opt")
# Render systemd template
render(source="mattermost.service.tmpl",
target="/etc/systemd/system/mattermost.service",
perms=0o644,
owner="root",
context={})
check_call(['systemctl', 'daemon-reload'])
if backup_path:
shutil.move(
'{}/config/config.json'.format(backup_path),
'/opt/mattermost/config/config.json')
shutil.move(
'{}/data'.format(backup_path),
'/opt/mattermost/')
# Create dirs that don't exist yet
for folder in ("data", "logs", "config"):
os.makedirs("/opt/mattermost/{}".format(folder),
mode=0o700,
exist_ok=True)
chownr("/opt/mattermost", "mattermost", "mattermost", chowntopdir=True)
def _install_mattermost():
# Backup existing installation if it exists
backup_path = None
if os.path.isdir('/opt/mattermost'):
backup_path = "/opt/mattermost.back{}".format(
str(datetime.datetime.now()))
shutil.move('/opt/mattermost', backup_path)
# Create mattermost user & group if not exists
if not group_exists('mattermost'):
add_group("mattermost")
if not user_exists('mattermost'):
adduser("mattermost", system_user=True)
# Get and uppack resource
mattermost_bdist = resource_get('bdist')
extract_tarfile(mattermost_bdist, destpath="/opt")
# Render systemd template
render(source="mattermost.service.tmpl",
target="/etc/systemd/system/mattermost.service",
perms=0o644,
owner="root",
context={})
check_call(['systemctl', 'daemon-reload'])
if backup_path:
shutil.move('{}/config/config.json'.format(backup_path),
'/opt/mattermost/config/config.json')
shutil.move('{}/data'.format(backup_path), '/opt/mattermost/')
# Create dirs that don't exist yet
for folder in ("data", "logs", "config"):
os.makedirs("/opt/mattermost/{}".format(folder),
mode=0o700,
exist_ok=True)
chownr("/opt/mattermost", "mattermost", "mattermost", chowntopdir=True)
def install_tmpfilesd():
'''Install systemd-tmpfiles configuration for ovs vhost-user sockets'''
# NOTE(jamespage): Only do this if libvirt is actually installed
if (init_is_systemd() and
user_exists('libvirt-qemu') and
group_exists('kvm')):
shutil.copy('files/nova-ovs-vhost-user.conf',
'/etc/tmpfiles.d')
subprocess.check_call(['systemd-tmpfiles', '--create'])
def create_prometheus_user():
if not group_exists('prometheus'):
add_group('prometheus', system_group=True)
if not user_exists('prometheus'):
adduser(
'prometheus',
shell='/bin/false',
system_user=True,
primary_group='prometheus',
home_dir='/var/lib/prometheus',
)
set_state('prometheus.user.available')
def configure_installdir(self):
''' Create and fix permissions on install dir'''
if not os.path.exists(self.installdir):
os.makedirs(self.installdir)
hookenv.log("Fixing data dir permissions: {}".format(
self.installdir), 'DEBUG')
if host.user_exists(self.user) and host.group_exists(self.user):
host.chownr(self.installdir, self.user,
self.user, chowntopdir=True)
else:
hookenv.log("Skipping chown because user/group {} is missing".format(
self.installdir), 'DEBUG')
def fix_supervisord():
# setup supervisord
if not user_exists('contrail'):
adduser('contrail', system_user=True)
shutil.copy('files/supervisor-webui.conf', '/etc/init')
shutil.copy('files/supervisord_webui.conf', '/etc/contrail')
pw = pwd.getpwnam('contrail')
os.chown('/etc/contrail/supervisord_webui.conf', pw.pw_uid, pw.pw_gid)
mkdir('/etc/contrail/supervisord_webui_files', owner='contrail',
group='contrail', perms=0o755)
mkdir('/var/log/contrail', owner='contrail', group='adm', perms=0o750)
def perms():
for p in paths:
makedirs(p[0], exist_ok=True)
try:
getgrnam(p[2])
except KeyError:
add_group(p[2], system_group=True)
if not user_exists(p[1]):
adduser(p[1], shell='/bin/false', system_user=True,
primary_group=p[2])
# Ensure path is owned appropriately
chownr(path=p[0], owner=p[1], group=p[2], chowntopdir=True)
def fix_supervisord():
# setup supervisord
if not user_exists('contrail'):
adduser('contrail', system_user=True)
shutil.copy('files/supervisor-webui.conf', '/etc/init')
shutil.copy('files/supervisord_webui.conf', '/etc/contrail')
pw = pwd.getpwnam('contrail')
os.chown('/etc/contrail/supervisord_webui.conf', pw.pw_uid, pw.pw_gid)
mkdir('/etc/contrail/supervisord_webui_files',
owner='contrail',
group='contrail',
perms=0o755)
mkdir('/var/log/contrail', owner='contrail', group='adm', perms=0o750)
def perms():
for p in paths:
makedirs(p[0], exist_ok=True)
try:
getgrnam(p[2])
except KeyError:
add_group(p[2], system_group=True)
if not user_exists(p[1]):
adduser(p[1],
shell='/bin/false',
system_user=True,
primary_group=p[2])
# Ensure path is owned appropriately
chownr(path=p[0], owner=p[1], group=p[2], chowntopdir=True)
def install_mattermost():
"""Grab the mattermost binary, unpack, install
to /srv.
"""
status_set('maintenance', "Installing Mattermost")
# Create mattermost user & group if not exists
if not group_exists('mattermost'):
add_group("mattermost")
if not user_exists('mattermost'):
adduser("mattermost", system_user=True)
# Get and uppack resource
if os.path.exists('/srv/mattermost'):
shutil.rmtree('/srv/mattermost')
mattermost_bdist = resource_get('bdist')
extract_tarfile(mattermost_bdist, destpath="/srv")
# Create data + log + config dirs
for dir in ("data", "logs", "config"):
os.makedirs(os.path.join("/srv/mattermost", dir),
mode=0o700,
exist_ok=True)
shutil.chown(os.path.join("/srv/mattermost", dir),
user="******",
group="mattermost")
# Render systemd template
render(source="mattermost.service.tmpl",
target="/etc/systemd/system/mattermost.service",
perms=0o644,
owner="root",
context={})
check_call(['systemctl', 'daemon-reload'])
set_state('mattermost.installed')
status_set('active', 'Mattermost installation complete')
def get_user():
"""Helper to ensure our user exists and return the username.
"""
if not user_exists(USER):
adduser(USER, shell='/bin/false', system_user=True)
return USER
def install_etcd():
''' Attempt resource get on the "etcd" and "etcdctl" resources. If no
resources are provided attempt to install from the archive only on the
16.04 (xenial) series. '''
status_set('maintenance', 'Installing etcd.')
codename = host.lsb_release()['DISTRIB_CODENAME']
try:
etcd_path = resource_get('etcd')
etcdctl_path = resource_get('etcdctl')
# Not obvious but this blocks juju 1.25 clients
except NotImplementedError:
status_set(
'blocked',
'This charm requires the resource feature available in juju 2+'
) # noqa
return
if not etcd_path or not etcdctl_path:
if codename == 'xenial':
# edge case where archive allows us a nice fallback on xenial
status_set('maintenance', 'Attempting install of etcd from apt')
pkg_list = ['etcd']
apt_update()
apt_install(pkg_list, fatal=True)
# Stop the service and remove the defaults
# I hate that I have to do this. Sorry short-lived local data #RIP
# State control is to prevent upgrade-charm from nuking cluster
# data.
if not is_state('etcd.package.adjusted'):
host.service('stop', 'etcd')
if os.path.exists('/var/lib/etcd/default'):
shutil.rmtree('/var/lib/etcd/default')
set_state('etcd.package.adjusted')
set_state('etcd.installed')
return
else:
# edge case
status_set('blocked', 'Missing Resource: see README')
else:
install(etcd_path, '/usr/bin/etcd')
install(etcdctl_path, '/usr/bin/etcdctl')
host.add_group('etcd')
if not host.user_exists('etcd'):
host.adduser('etcd')
host.add_user_to_group('etcd', 'etcd')
os.makedirs('/var/lib/etcd/', exist_ok=True)
etcd_uid = getpwnam('etcd').pw_uid
os.chmod('/var/lib/etcd/', 0o775)
os.chown('/var/lib/etcd/', etcd_uid, -1)
# Trusty was the EOL for upstart, render its template if required
if codename == 'trusty':
render('upstart',
'/etc/init/etcd.conf', {},
owner='root',
group='root')
set_state('etcd.installed')
return
if not os.path.exists('/etc/systemd/system/etcd.service'):
render('systemd',
'/etc/systemd/system/etcd.service', {},
owner='root',
group='root')
# This will cause some greif if its been run before
# so allow it to be chatty and fail if we ever re-render
# and attempt re-enablement.
try:
check_call(split('systemctl enable etcd'))
except CalledProcessError:
pass
set_state('etcd.installed')
