def home():
'''
home page function
'''
if 'logged_in' in session:
containers = lxc.list_containers(as_object=True)
listx = {'RUNNING': [], 'FROZEN': [], 'STOPPED': []}
for container in containers:
listx[container.state].append(container)
containers_all = []
for status in ['RUNNING', 'FROZEN', 'STOPPED']:
containers_by_status = []
for container in listx[status]:
ips = list()
if status == 'RUNNING':
ips = container.get_ips()
containers_by_status.append({
'name': container.name,
'ips': ips,
'memusg': lwp.memory_usage(container),
'settings': lwp.get_container_settings(container)
})
containers_all.append({
'status': status.lower(),
'containers': containers_by_status
})
return render_template('index.html', containers=lxc.list_containers(),
containers_all=containers_all,
dist=lwp.check_ubuntu(),
templates=lwp.get_templates_list())
return render_template('login.html')
def server_main(CONTAINER_NAME, TEMPLATE, SERVER_TYPE, INTF, SRC_PORT, DST_PORT, DEBUG, NEW) : if NEW == False: assert lxc.list_containers().count(BASE_CONTAINER), "The " + BASE_CONTAINER + " doesn't exist" print(BASE_CONTAINER + ' is present') container = lxc_wrapper.lxc_main(CONTAINER_NAME, BASE_CONTAINER, TEMPLATE, NEW, DEBUG) time.sleep(5) ip_addr = container.get_ips()[0] if SERVER_TYPE == 'http' : if NEW: copy_file(container, 'http_server.py', '.') http_cmd = "./http_server.py --src_port="+DST_PORT lxc_wrapper.lxc_attach_process(container, http_cmd) add_iptable(INTF, SRC_PORT, ip_addr, DST_PORT) http_server = server_class(container, 'http', SRC_PORT, DST_PORT) if SERVER_TYPE == 'ftp': if NEW: copy_file(container, 'ftp_server.py', '.') ftp_cmd = "./ftp_server.py --src_port=" + DST_PORT lxc_wrapper.lxc_attach_process(container, ftp_cmd) add_iptable(INTF, SRC_PORT, ip_addr, DST_PORT) ftp_server = server_class(container, 'ftp', SRC_PORT, DST_PORT) if SERVER_TYPE == 'https': if NEW: copy_file(container, 'https_server.py', '.') copy_file(container, 'privcert.pem', '.') https_cmd = "./https_server.py " + DST_PORT lxc_wrapper.lxc_attach_process(container, https_cmd) add_iptable(INTF, SRC_PORT, ip_addr, DST_PORT) https_server = server_class(container, 'https', SRC_PORT, DST_PORT)
def listdomains():
con = mdb.connect(options['DB_HOST'], options['DB_USERNAME'], options['DB_PASSWORD'], options['DB']);
cur = con.cursor()
entries={'container':[],'domains':[]}
cur.execute('SELECT domain,www,`ssl`,container,crtfile FROM domains')
rows = cur.fetchall()
for row in rows:
try:
ip=socket.gethostbyname(row[0])
except:
ip="not hosted"
c={'domain':row[0],
'www':row[1],
'ssl':row[2],
'container':row[3],
'crtfile':row[4],
'ip':ip
}
entries['domains'].append(c)
con.close()
for container in lxc.list_containers(as_object=True):
if (container.name != "_template"):
entries['container'].append(container.name)
return render_template('list_domains.tmpl',entries=entries)
def ip_from_name(CONTAINER_NAME): assert lxc.list_containers().count(CONTAINER_NAME), "The container " + CONTAINER_NAME + " doesn't exist" container = lxc.Container(CONTAINER_NAME) if (container.running): return container.get_ips()[0] else: return None
def get_containers():
containers = []
cnames = lxc.list_containers()
for cname in cnames:
current_container = LXCContainer.pick(cname)
containers.append(current_container.get_jsonable())
return containers
def list_archived_containers():
containers = []
for name in lxc.list_containers(config_path=config.ARCHIVE_CONFIG_PATH):
container = RuntimeContainer(lxc.Container(name, config_path=config.ARCHIVE_CONFIG_PATH))
if container.is_archived():
containers.append(name)
return containers
def container_status_check():
containers = lxc.list_containers(as_object=True)
for container in containers:
if container.name != "default":
status = "running" if container.running else "not running"
print("Container: {0} is {1} | ip addresses: {2}" \
.format(container.name, status, container.get_ips()))
def main():
module = AnsibleModule(
argument_spec=dict(name=dict(
required=True,
type='str',
), ),
supports_check_mode=False,
)
try:
import lxc
except ImportError:
module.fail_json(
changed=False,
msg='Error importing lxc, is python-lxc installed?',
)
container_name = module.params.get('name')
result = {}
result['name'] = container_name
if container_name in lxc.list_containers():
result['exists'] = True
else:
result['exists'] = False
result['changed'] = True
module.exit_json(**result)
def container_status_check():
containers = lxc.list_containers(as_object=True)
for container in containers:
if container.name != "default":
status = "running" if container.running else "not running"
print("Container: {0} is {1} | ip addresses: {2}" \
.format(container.name, status, container.get_ips()))
def init_containers():
containers = lxc.list_containers()
smr_containers = [
SMRContainer(con) for con in containers if re.match(rxp, con)
]
return smr_containers
def listusers():
con = mdb.connect(options['DB_HOST'], options['DB_USERNAME'], options['DB_PASSWORD'], options['DB']);
cur = con.cursor()
cur.execute('SELECT userid,passwd,container FROM ftpuser')
rows = cur.fetchall()
entries={'user':[],'container':[]}
for row in rows:
c={'user':row[0],
'password':row[1],
'container':row[2],
}
entries['user'].append(c)
con.close()
for container in lxc.list_containers(as_object=True):
if (container.name != "_template"):
entries['container'].append(container.name)
return render_template('list_users.tmpl',entries=entries)
def main():
module = AnsibleModule(
argument_spec = dict(
name = dict(
required = True,
type = 'str',
),
path = dict(
required = True,
type = 'str',
),
),
)
try:
import lxc
except ImportError:
module.fail_json(
changed = False,
msg = 'Error importing lxc, is python-lxc installed?',
)
container_name = module.params.get('name')
file_path = module.params.get('path')
result = {}
result['name'] = container_name
result['path'] = file_path
if container_name in lxc.list_containers():
container = lxc.Container(container_name)
file_exists = container.attach_wait(
read_file_in_container,
(file_path, module),
env_policy = lxc.LXC_ATTACH_CLEAR_ENV,
)
else:
module.fail_json(
available_container = lxc.list_containers(),
msg = 'Target container does not exists',
name = container_name,
path = file_path,
)
def list_containers():
try:
list_all_containers = []
for container in lxc.list_containers(as_object=True):
list_all_containers.append(container.name)
return list_all_containers
except Exception as exception:
return exception
def check_containers_ware_generated(container_list):
all_container_list = lxc.list_containers()
for container_name in container_list:
if container_name in all_container_list:
print(container_name + ' was generated.')
else:
print(container_name + ' was not generated.')
def main():
module = AnsibleModule(argument_spec=dict(
name=dict(
required=True,
type='str',
),
path=dict(
required=True,
type='str',
),
), )
try:
import lxc
except ImportError:
module.fail_json(
changed=False,
msg='Error importing lxc, is python-lxc installed?',
)
container_name = module.params.get('name')
file_path = module.params.get('path')
result = {}
result['name'] = container_name
result['path'] = file_path
if container_name in lxc.list_containers():
container = lxc.Container(container_name)
file_exists = container.attach_wait(
read_file_in_container,
(file_path, module),
env_policy=lxc.LXC_ATTACH_CLEAR_ENV,
)
else:
module.fail_json(
available_container=lxc.list_containers(),
msg='Target container does not exists',
name=container_name,
path=file_path,
)
def about():
'''
about page
'''
if 'logged_in' in session:
return render_template('about.html', containers=lxc.list_containers(),
version=lwp.check_version())
return render_template('login.html')
def rm_all_batch_containers(self):
for con in lxc.list_containers():
keys = con.split('-')
if len(keys) < 2 or keys[1] != 'batch':
continue
if self.stop_and_rm_containers(con):
logger.info("delete container %s success" % con)
else:
logger.error("delete container %s failed" % con)
def get_available_name_from_base(name_base):
name = 'lap-{}'.format(name_base)
containers = lxc.list_containers()
if name in containers:
i = 2
while '{name}-{i}'.format(name=name, i=i) in containers:
i += 1
name = '{name}-{i}'.format(name=name, i=i)
return name
def rm_all_batch_containers(self):
for con in lxc.list_containers():
keys = con.split('-')
if len(keys) < 2 or keys[1] != 'batch':
continue
if self.stop_and_rm_containers(con):
logger.info("delete container %s success" % con)
else:
logger.error("delete container %s failed" % con)
def list(self):
try:
a=[]
for _container in lxc.list_containers():
c=self.container(_container,details=False)
a.append(c)
return a
except Exception as e:
return {"status":"error","extstatus":str(e)}
def get_container_list():
retval = {}
retval['containers'] = []
for name in lxc.list_containers():
c = get_container_object(name)
retval['containers'].append({
"name": name,
"state": c.state,
"init_pid": c.init_pid})
return retval
def simulate_churn(cycle_num, recovery_time):
print("Starting network churn simulation")
containers = lxc.list_containers(as_object=True)
for _ in range(cycle_num):
for container in containers:
if container.name != "default":
print("ipop on {} rebooting...".format(container.name))
ipop_command(container.name, "ipop-kill")
time.sleep(2)
ipop_command(container.name, "ipop-run")
time.sleep(recovery_time)
def clear_archive():
"""
Destroy all stopped containers in archive
"""
containers = lxc.list_containers(config_path=config.ARCHIVE_CONFIG_PATH)
with timer_print("Destroying {} archived containers".format(len(containers))):
for name in containers:
container = lxc.Container(name, config_path=config.ARCHIVE_CONFIG_PATH)
if container.state == "STOPPED" and RuntimeContainer(container).is_archived():
assert_ret(container.destroy())
def show_container():
classmap = {'RUNNING': 'text-success',
'STOPPED': 'text-error',
}
names = lxc.list_containers()
machines = list()
for name in names:
machine = lxc.Container(name)
machine.klass = classmap.get(machine.state, 'text-warning')
machines.append(machine)
return render_template('overview.html', machines=sorted(machines, key=machinesorter))
def container_check(thresh):
containers = lxc.list_containers()
for container in containers:
c = lxc.Container(container)
with Chroot('/proc/%s/root' % int(c.init_pid)):
for partition in psutil.disk_partitions():
percent_used = disk_usage(part=partition)
if percent_used >= thresh:
return False
else:
return True
def simulate_churn(cycle_num, recovery_time):
print("Starting network churn simulation")
containers = lxc.list_containers(as_object=True)
for _ in range(cycle_num):
for container in containers:
if container.name != "default":
print("ipop on {} rebooting...".format(container.name))
ipop_command(container.name, "ipop-kill")
time.sleep(2)
ipop_command(container.name, "ipop-run")
time.sleep(recovery_time)
def checkconfig():
'''
returns the display of lxc-checkconfig command
'''
if 'logged_in' in session:
if session['su'] != 'Yes':
return abort(403)
return render_template('checkconfig.html', containers=lxc.list_containers(),
cfg=lxclite.checkconfig())
return render_template('login.html')
def getContainers():
result = []
for container_name in lxc.list_containers():
result.append(getContainer(container_name))
finalresult = {
"class": "ch.epfl.mybackup.beans.Server",
"hostname": HOSTNAME,
"hostIP": socket.gethostbyname(socket.gethostname()),
"containers": result
}
return finalresult
def get(self):
containers = []
for c in lxc.list_containers():
if c in current_user.containers:
containers.append(lwp.ct_infos(c))
sorted_dict = sorted(containers, key=lambda k: k['sorted_dict'])
for ct_dict in sorted_dict:
del ct_dict['sorted_dict']
return {'containers': sorted_dict} # Sorted like the frontend
def _list_containers(config_path, return_object=False, tag_filter=None):
containers = []
for name in lxc.list_containers(config_path=config_path):
container = RuntimeContainer(lxc.Container(name, config_path=config_path))
if tag_filter and tag_filter not in container.get_tags():
continue
if container.is_lxci_container():
if return_object:
containers.append(container)
else:
containers.append(name)
return containers
def check(args):
if on_lxc_container:
containers = lxc.list_containers()
neutron_agent_containers = []
for container in containers:
if 'neutron_agents' in container:
metric_bool('agents_found',
True, m_name='maas_neutron')
neutron_agent_containers.append(container)
if len(neutron_agent_containers) == 0:
metric_bool('agents_found', False, m_name='maas_neutron')
status_err('no running neutron agents containers found',
m_name='maas_neutron')
return
for neutron_agent_container in neutron_agent_containers:
# Get the neutron_agent_container's init PID.
try:
c = lxc.Container(neutron_agent_container)
# If the container wasn't found, exit now.
if c.init_pid == -1:
metric_bool('container_success',
False,
m_name='maas_neutron_agent_container')
status_err(
'Could not find PID for container {}'.format(
neutron_agent_container
),
m_name='maas_neutron_agent_container'
)
except (Exception, SystemError) as e:
metric_bool('container_success', False,
m_name='maas_neutron_agent_container')
status_err(
'Container lookup failed on "{}". ERROR: "{}"'
.format(
neutron_agent_container,
e
),
m_name='maas_neutron_agent_container'
)
else:
metric_bool('container_success', True,
m_name='maas_neutron_agent_container')
# c is the lxc container instance of this
# neutron_agent_container
check_process_statuses(neutron_agent_container, c)
else:
ovs_agent_host = socket.gethostname()
check_process_statuses(ovs_agent_host)
def _container_exists(name):
"""Check if a container exists.
:param name: Name of the container.
:type: ``str``
:returns: True or False if the container is found.
:rtype: ``bol``
"""
if [i for i in lxc.list_containers() if i == name]:
return True
else:
return False
def _container_exists(name):
"""Check if a container exists.
:param name: Name of the container.
:type: ``str``
:returns: True or False if the container is found.
:rtype: ``bol``
"""
if [i for i in lxc.list_containers() if i == name]:
return True
else:
return False
def pingall_test(packet_count):
test_results = []
containers = lxc.list_containers(as_object=True)
for current_container in containers:
name = current_container.name
if name not in ["default"]:
for other_container in containers:
other_name = other_container.name
if other_name not in ["default", name]:
test_results.append(ping_and_parse(current_container,
name, other_name,
packet_count))
return test_results
def pingall_test(packet_count):
test_results = []
containers = lxc.list_containers(as_object=True)
for current_container in containers:
name = current_container.name
if name not in ["default"]:
for other_container in containers:
other_name = other_container.name
if other_name not in ["default", name]:
test_results.append(
ping_and_parse(current_container, name, other_name,
packet_count))
return test_results
def refresh_memory_containers(name=None):
if 'logged_in' in session:
if name == 'containers':
containers_running = lxc.list_containers(active=True, defined=False, as_object=True)
containers = []
for container in containers_running:
name = container.name.replace(' (auto)', '')
containers.append({'name': name,
'memusg': lwp.memory_usage(container)})
return jsonify(data=containers)
elif name == 'host':
return jsonify(lwp.host_memory_usage())
return jsonify({'memusg': lwp.memory_usage(lxc.Container(name))})
def main():
module = AnsibleModule(
argument_spec = dict(
name = dict(
required= True,
type = 'str',
),
other_arg = dict(
# provide a default if
# not required
default = 'spam',
required = False,
# always add the type
# to let ansible check
# your module call
type = 'str',
),
),
# can you predict if there will
# be any changes?
supports_check_mode=True
)
try:
import lxc
except ImportError:
module.fail_json(
changed = False,
# A task can also fail
# and stop the playbook
# execution
#failure = True,
msg = 'Error importing lxc, is python-lxc installed?',
)
container_name = module.params.get('name')
other_arg = module.params.get('other_arg')
result = {}
result['name'] = container_name
result['other_arg'] = other_arg
if container_name in lxc.list_containers():
result['exists'] = True
# do other things in here
else:
result['exists'] = False
module.exit_json(**result)
result['changed'] = True
module.exit_json(**result)
def __lxc_clone (container):
# Check if base container is installed
pr_debug("<debug> Check if " + BASE_CONTAINER + " is present")
assert lxc.list_containers().count(BASE_CONTAINER), "The container " + BASE_CONTAINER + " doesn't exist"
# Clone base container with new name
NAME = container.name
base_container = lxc.Container(BASE_CONTAINER)
container = base_container.clone(NAME)
assert container, 'Cloning was unsuccessful for ' + BASE_CONTAINER
pr_debug("<debug> Container was successfully cloned from the base container.")
# Check config details and health
health_check_stopped(container.name, container)
# Return container object
return container
def list():
try:
container_list = {"containers": []}
containers = lxc.list_containers()
for c in containers:
container_list["containers"].append(str(c))
response = Response(response=json.dumps(container_list),
status=200,
mimetype='application/json')
except Exception as e:
response = Response(response=json.dumps({"error": "{}".format(e)}),
status=500,
mimetype='application/json')
return response
def container_check(thresh):
containers = lxc.list_containers()
for container in containers:
c = lxc.Container(container)
if c.init_pid == -1:
return True
with Chroot('/proc/%s/root' % int(c.init_pid)):
for partition in psutil.disk_partitions():
percent_used = disk_usage(part=partition)
if percent_used >= thresh:
return False
else:
return True
def _get_list_containers(self):
"""
:return: list
"""
lst_cnt = list()
cnt = lxc.list_containers(True, True, True, False)
d = {}
for ins in cnt:
d['name'] = ins.name
d['state'] = ins.state
d['size'] = self._get_fs_size(ins.name)
d['release'] = ins.config_file_name
lst_cnt.append(d)
return lst_cnt
def get(self):
"""
Get containers list
"""
containers = []
for c in lxc.list_containers():
container = Container.query.filter_by(name=c).first()
if container.id in current_identity.containers or current_identity.admin:
infos = lwp.ct_infos(c)
container_json = container.__jsonapi__()
container_json['attributes'] = infos
containers.append(container_json)
return {'data': containers}
def _next_ip():
ips = []
for container in lxc.list_containers(as_object=True):
# get the ip as set in the config
ip = container.get_config_item('lxc.net.0.ipv4.address')
if ip:
ips.append(IPv4Address(ip.split('/')[0]))
if not ips:
# return a default first address
return IPv4Address('10.0.3.2')
# returns the ip address just after the max current address
return max(ips) + 1
def get(self):
"""
Get containers list
"""
current_identity = import_user()
containers = []
for c in lxc.list_containers():
container = Container.query.filter_by(name=c).first()
if container.id in current_identity.containers or current_identity.admin:
infos = lwp.ct_infos(c)
container_json = container.__jsonapi__()
container_json['attributes'] = infos
containers.append(container_json)
return {'data': containers}
def build_dict():
"""Returns a dictionary keyed to the defined LXC groups. All
containers, including the ones not in any group, are included in the
"all" group."""
# Enumerate all containers, and list the groups they are in. Also,
# implicitly add every container to the 'all' group.
containers = dict([(c,
['all'] +
(lxc.Container(c).get_config_item('lxc.group') or []))
for c in lxc.list_containers()])
# Extract the groups, flatten the list, and remove duplicates
groups = set(sum([g for g in containers.values()], []))
# Create a dictionary for each group (including the 'all' group
return dict([(g, {'hosts': [k for k, v in containers.items() if g in v],
'vars': {'ansible_connection':'lxc'}}) for g in groups])
def build_dict():
"""Returns a dictionary keyed to the defined LXC groups. All
containers, including the ones not in any group, are included in the
"all" group."""
# Enumerate all containers, and list the groups they are in. Also,
# implicitly add every container to the 'all' group.
containers = dict([(c,
['all'] +
(lxc.Container(c).get_config_item('lxc.group') or []))
for c in lxc.list_containers()])
# Extract the groups, flatten the list, and remove duplicates
groups = set(sum([g for g in containers.values()], []))
# Create a dictionary for each group (including the 'all' group
return dict([(g, {'hosts': [k for k, v in containers.items() if g in v],
'vars': {'ansible_connection': 'lxc'}}) for g in groups])
def populate_containers_table():
current_containers_list = lxc.list_containers()
database_containers_list = [str(i.name) for i in Container.query.all()]
# Removing old containers from database
for ct in database_containers_list:
if not ct in current_containers_list:
container = Container.query.filter_by(name=ct).first()
db.session.delete(container)
# Adding new containers to database
for ct in current_containers_list:
if not ct in database_containers_list:
container = Container(name=ct)
db.session.add(container)
db.session.commit()
def hydrate_system():
"""
Checks for unmanaged hosts and containers in db.
"""
#~ print("hydrating...")
hosts = Hosts.select()
admin = Users.get(Users.username == 'admin')
containers_in_db = Containers.select()
containers_in_host = lxc.list_containers()
print(len(containers_in_db), len(containers_in_host))
if len(containers_in_host) > len(containers_in_db):
for cih in containers_in_host:
#~ print(cih)
search = Containers.select().where(Containers.name == cih)
if len(search) == 0:
container = Containers.create(name=cih, host=host, admin=admin)
return jsonify({})
def clean(k=None):
shutdown(k)
ct = readconf.read_conf()
if k == None:
for k in ct.svcs():
c = lxc.Container(k)
c.shutdown(timeout=0)
c.destroy()
for k in lxc.list_containers():
c = lxc.Container(k)
c.shutdown(timeout=0)
c.destroy()
c = lxc.Container(BASE)
c.shutdown(timeout=0)
c.destroy()
else:
c = lxc.Container(k)
c.destroy()
def list_containers():
res = dict()
hostvars = {}
containers = lxc.list_containers(active=True, defined=False)
for container_name in containers:
group = get_group_name_from_container(container_name)
if group not in res:
res[group] = {}
res[group]['hosts'] = []
if isinstance(res[group], dict):
res[group]['hosts'].append(container_name)
container = lxc.Container(name=container_name)
if container.get_interfaces():
ips = container.get_ips()
if len(ips):
hostvars[container_name] = \
dict(ansible_host=ips[ANSIBLE_SSH_HOST_INDEX])
res["_meta"] = {"hostvars": hostvars}
res['all'] = list(containers)
return res
def lxc_cgroup_set_cpuset(cpus):
for container in lxc.list_containers(as_object=True):
if container.running:
print("lxc_cgroup_set_cpus(): Setting CPUs for " + container.name +
" to " + cpus)
exception_occured = False
try:
f = io.open(cpuset_mount + "lxc/" + container.name +
"/cpuset.cpus",
'w',
encoding="ascii")
except IOError as e:
exception_occured = True
print("I/O error occured")
#print("I/O error(" + e.errno + "): " + e.strerror)
# No point in doing the following if an I/O occured in the prior try/catch
if exception_occured != True:
f.write(cpus)
f.close
def handle_get_containers_method(self):
return lxc.list_containers()
def container_list(status=False):
if status:
return {x.name: x.state for x in lxc.list_containers(as_object=True)}
else:
return lxc.list_containers()
def main():
module = AnsibleModule(argument_spec=dict(
backing_store=dict(
default='lvm',
choices=[
'dir',
'lvm',
'loop',
'btrsf',
'overlayfs',
'zfs',
],
type='str',
),
config=dict(
required=False,
default='/etc/lxc/default.conf',
),
container_command=dict(
required=False,
type='str',
default='',
),
fs_size=dict(
required=False,
default='5G',
type='str',
),
fs_type=dict(
required=False,
default='ext4',
type='str',
),
lv_name=dict(type='str', ),
name=dict(
required=True,
type='str',
),
state=dict(
default='started',
choices=['started', 'stopped', 'restarted', 'absent', 'frozen'],
type='str',
),
template=dict(
required=False,
default='debian',
type='str',
),
template_options=dict(
required=False,
default='--release jessie --packages=ssh,python',
type='str',
),
vg_name=dict(
required=False,
default='newsysvg',
type='str',
),
))
try:
import lxc
except ImportError:
module.fail_json(changed=False,
msg='liblxc is required for this module to work')
lilik_container = LilikContainer(module)
result = {}
result['name'] = lilik_container.name
result['state'] = lilik_container.state
if lilik_container.state == 'absent':
# destroy the container
if lilik_container.destoy():
module.exit_json(changed=True)
# TODO: remove redundant test
# test wether the container is absent or not
if lilik_container.name in lxc.list_containers():
module.fail_json(changed=False)
# the container has been removed
else:
module.exit_json(changed=True)
# end TODO: remove redundant test
elif lilik_container.state in [
'started', 'stopped', 'restarted', 'frozen'
]:
# the container exists, just set the state as required
if lilik_container.name in lxc.list_containers():
container_actions_from_state = {
'started': lilik_container.start,
'stopped': lilik_container.stop,
'restarted': lilik_container.restart,
'frozen': lilik_container.freeze,
}
# selected action
action = container_actions.get(container.state)
if action():
module.exit_json(changed=True)
else:
module.exit_json(changed=False)
# the container does not exists, create it
else:
try:
new_container = lilik_container.create_container()
module.exit_json(changed=True)
except Exception as e:
module.fail_json(
changed=False,
msg='An excption was raised while creating the container',
exception_message=str(e),
)
def check(args):
neutron = get_openstack_client('network')
try:
# Gather neutron agent states
if args.host:
agents = [i for i in neutron.agents(host=args.host)]
elif args.fqdn:
agents = [i for i in neutron.agents(host=args.fqdn)]
else:
agents = [i for i in neutron.agents()]
# An API status metric is not gathered so catch any exception
except Exception as e:
metric_bool('client_success', False, m_name='maas_neutron')
metric('%s_status' % "neutron-openvswitch-agent",
'string',
'%s cannot reach API' % "neutron-openvswitch-agent",
m_name='maas_neutron')
status_err_no_exit(str(e), m_name='maas_neutron')
return
else:
metric_bool('client_success', True, m_name='maas_neutron')
try:
ovs_agent = next(a for a in agents if 'openvswitch' in a['binary'])
except StopIteration:
status_err("No host(s) found in the agents list",
m_name='maas_neutron')
else:
# Return all the things
status_ok(m_name='maas_neutron')
agent_is_up = "Yes"
if ovs_agent['is_admin_state_up'] and not ovs_agent['is_alive']:
agent_is_up = "No"
if args.host:
name = '%s_status' % ovs_agent['binary']
elif args.fqdn:
name = '%s_status' % ovs_agent['binary']
else:
name = '%s_%s_on_host_%s' % (ovs_agent['binary'], ovs_agent['id'],
ovs_agent['host'])
metric(name, 'string', agent_is_up, m_name='maas_neutron')
if on_lxc_container:
all_containers = lxc.list_containers()
neutron_containers_list = []
neutron_agent_containers_list = []
# NOTE(npawelek): The neutron container architecture was
# refactored in recent versions removing all neutron containers
# with the exception of one, or even using baremetal directly.
# Since logic is looking for the presence of LXC, we do not need
# to account for baremetal here.
for container in all_containers:
if 'neutron_agents' in container:
neutron_agent_containers_list.append(container)
if 'neutron' in container:
neutron_containers_list.append(container)
if len(neutron_containers_list) == 1 and \
'neutron_server' in neutron_containers_list[0]:
valid_containers = neutron_containers_list
elif len(neutron_agent_containers_list) > 0:
valid_containers = neutron_agent_containers_list
else:
valid_containers = 0
if len(valid_containers) == 0:
status_err('no neutron agent or server containers found',
m_name='maas_neutron')
return
for container in valid_containers:
# Get the neutron_agent_container's init PID.
try:
c = lxc.Container(container)
# If the container wasn't found, exit now.
if c.init_pid == -1:
metric_bool('container_success',
False,
m_name='maas_neutron')
status_err('Could not find PID for container {}'.format(
container),
m_name='maas_neutron')
except (Exception, SystemError) as e:
metric_bool('container_success', False, m_name='maas_neutron')
status_err(
'Container lookup failed on "{}". ERROR: "{}"'.format(
container, e),
m_name='maas_neutron')
else:
metric_bool('container_success', True, m_name='maas_neutron')
# c is the lxc container instance of this
# neutron_agent_container
check_process_statuses(container, c)
else:
ovs_agent_host = socket.gethostname()
check_process_statuses(ovs_agent_host)
def list():
container_list = lxc.list_containers()
return "List of containers: {0}\n".format(container_list)
tar = tarfile.open(backup_path + ".tar.gz", "w:gz")
tar.add(backup_path, arcname=backup_path)
tar.close()
print("DONE create archive")
def remove_container_directory(backup_directory, name):
destroy_directory = backup_directory + name
shutil.rmtree(destroy_directory)
work_directory = "/var/lib/lxc/"
#backup_directory = "/srv/photo_backup/"
backup_directory = "/srv/"
array_container = lxc.list_containers()
for i in array_container:
print(work_directory + i)
print(lxc.Container(i).state)
if lxc.Container(i).state != 'STOPPED':
lxc.Container(i).freeze()
print(i + " " + lxc.Container(i).state)
print("COPY")
copy_container(work_directory, i)
print("...................")
lxc.Container(i).unfreeze()
print("UNFREEZING")
print(i + " " + lxc.Container(i).state)
else:
print("COPY STOPPED CONTAINER")
copy_container(work_directory, i)
arch = dpkg.stdout.read().strip()
except:
pass
## Create a rootfs
print("Creating rootfs using 'download', arch=%s" % arch)
container.create("download", 0, {
"dist": "ubuntu",
"release": "xenial",
"arch": arch
})
assert (container.defined)
assert (container.name == CONTAINER_NAME ==
container.get_config_item("lxc.utsname"))
assert (container.name in lxc.list_containers())
## Test the config
print("Testing the configuration")
capdrop = container.get_config_item("lxc.cap.drop")
container.clear_config_item("lxc.cap.drop")
container.set_config_item("lxc.cap.drop", capdrop[:-1])
container.append_config_item("lxc.cap.drop", capdrop[-1])
container.save_config()
# A few basic checks of the current state
assert (isinstance(capdrop, list))
assert (capdrop == container.get_config_item("lxc.cap.drop"))
## Test the networking
print("Testing the networking")