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-rw-r--r--data/templates/container/systemd-unit.j217
-rwxr-xr-x[-rw-r--r--]smoketest/scripts/cli/test_container.py44
-rwxr-xr-xsrc/conf_mode/container.py172
3 files changed, 146 insertions, 87 deletions
diff --git a/data/templates/container/systemd-unit.j2 b/data/templates/container/systemd-unit.j2
new file mode 100644
index 000000000..fa48384ab
--- /dev/null
+++ b/data/templates/container/systemd-unit.j2
@@ -0,0 +1,17 @@
+### Autogenerated by container.py ###
+[Unit]
+Description=VyOS Container {{ name }}
+
+[Service]
+Environment=PODMAN_SYSTEMD_UNIT=%n
+Restart=on-failure
+ExecStartPre=/bin/rm -f %t/%n.pid %t/%n.cid
+ExecStart=/usr/bin/podman run \
+ --conmon-pidfile %t/%n.pid --cidfile %t/%n.cid --cgroups=no-conmon \
+ {{ run_args }}
+ExecStop=/usr/bin/podman stop --ignore --cidfile %t/%n.cid -t 5
+ExecStopPost=/usr/bin/podman rm --ignore -f --cidfile %t/%n.cid
+ExecStopPost=/bin/rm -f %t/%n.cid
+PIDFile=%t/%n.pid
+KillMode=none
+Type=forking
diff --git a/smoketest/scripts/cli/test_container.py b/smoketest/scripts/cli/test_container.py
index cc0cdaec0..b9d308ae1 100644..100755
--- a/smoketest/scripts/cli/test_container.py
+++ b/smoketest/scripts/cli/test_container.py
@@ -15,6 +15,7 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import unittest
+import glob
import json
from base_vyostest_shim import VyOSUnitTestSHIM
@@ -25,10 +26,13 @@ from vyos.util import process_named_running
from vyos.util import read_file
base_path = ['container']
-cont_image = 'busybox'
+cont_image = 'busybox:stable' # busybox is included in vyos-build
prefix = '192.168.205.0/24'
net_name = 'NET01'
-PROCESS_NAME = 'podman'
+PROCESS_NAME = 'conmon'
+PROCESS_PIDFILE = '/run/vyos-container-{0}.service.pid'
+
+busybox_image_path = '/usr/share/vyos/busybox-stable.tar'
def cmd_to_json(command):
c = cmd(command + ' --format=json')
@@ -37,7 +41,31 @@ def cmd_to_json(command):
return data
-class TesContainer(VyOSUnitTestSHIM.TestCase):
+class TestContainer(VyOSUnitTestSHIM.TestCase):
+ @classmethod
+ def setUpClass(cls):
+ super(TestContainer, cls).setUpClass()
+
+ # Load image for smoketest provided in vyos-build
+ cmd(f'cat {busybox_image_path} | sudo podman load')
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestContainer, cls).tearDownClass()
+
+ # Cleanup podman image
+ cmd(f'sudo podman image rm -f {cont_image}')
+
+ def tearDown(self):
+ self.cli_delete(base_path)
+ self.cli_commit()
+
+ # Ensure no container process remains
+ self.assertIsNone(process_named_running(PROCESS_NAME))
+
+ # Ensure systemd units are removed
+ units = glob.glob('/run/systemd/system/vyos-container-*')
+ self.assertEqual(units, [])
def test_01_basic_container(self):
cont_name = 'c1'
@@ -53,13 +81,17 @@ class TesContainer(VyOSUnitTestSHIM.TestCase):
# commit changes
self.cli_commit()
+ pid = 0
+ with open(PROCESS_PIDFILE.format(cont_name), 'r') as f:
+ pid = int(f.read())
+
# Check for running process
- self.assertTrue(process_named_running(PROCESS_NAME))
+ self.assertEqual(process_named_running(PROCESS_NAME), pid)
def test_02_container_network(self):
cont_name = 'c2'
cont_ip = '192.168.205.25'
- self.cli_set(base_path + ['network', net_name, 'ipv4-prefix', prefix])
+ self.cli_set(base_path + ['network', net_name, 'prefix', prefix])
self.cli_set(base_path + ['name', cont_name, 'image', cont_image])
self.cli_set(base_path + ['name', cont_name, 'network', net_name, 'address', cont_ip])
@@ -67,7 +99,7 @@ class TesContainer(VyOSUnitTestSHIM.TestCase):
self.cli_commit()
n = cmd_to_json(f'sudo podman network inspect {net_name}')
- json_subnet = n['plugins'][0]['ipam']['ranges'][0][0]['subnet']
+ json_subnet = n['subnets'][0]['subnet']
c = cmd_to_json(f'sudo podman container inspect {cont_name}')
json_ip = c['NetworkSettings']['Networks'][net_name]['IPAddress']
diff --git a/src/conf_mode/container.py b/src/conf_mode/container.py
index ac3dc536b..70d149f0d 100755
--- a/src/conf_mode/container.py
+++ b/src/conf_mode/container.py
@@ -40,20 +40,7 @@ airbag.enable()
config_containers_registry = '/etc/containers/registries.conf'
config_containers_storage = '/etc/containers/storage.conf'
-
-def _run_rerun(container_cmd):
- counter = 0
- while True:
- if counter >= 10:
- break
- try:
- _cmd(container_cmd)
- break
- except:
- counter = counter +1
- sleep(0.5)
-
- return None
+systemd_unit_path = '/run/systemd/system'
def _cmd(command):
if os.path.exists('/tmp/vyos.container.debug'):
@@ -122,7 +109,7 @@ def verify(container):
# of image upgrade and deletion.
image = container_config['image']
if run(f'podman image exists {image}') != 0:
- Warning(f'Image "{image}" used in contianer "{name}" does not exist '\
+ Warning(f'Image "{image}" used in container "{name}" does not exist '\
f'locally. Please use "add container image {image}" to add it '\
f'to the system! Container "{name}" will not be started!')
@@ -136,9 +123,6 @@ def verify(container):
raise ConfigError(f'Container network "{network_name}" does not exist!')
if 'address' in container_config['network'][network_name]:
- if 'network' not in container_config:
- raise ConfigError(f'Can not use "address" without "network" for container "{name}"!')
-
address = container_config['network'][network_name]['address']
network = None
if is_ipv4(address):
@@ -220,6 +204,71 @@ def verify(container):
return None
+def generate_run_arguments(name, container_config):
+ image = container_config['image']
+ memory = container_config['memory']
+ restart = container_config['restart']
+
+ # Add capability options. Should be in uppercase
+ cap_add = ''
+ if 'cap_add' in container_config:
+ for c in container_config['cap_add']:
+ c = c.upper()
+ c = c.replace('-', '_')
+ cap_add += f' --cap-add={c}'
+
+ # Add a host device to the container /dev/x:/dev/x
+ device = ''
+ if 'device' in container_config:
+ for dev, dev_config in container_config['device'].items():
+ source_dev = dev_config['source']
+ dest_dev = dev_config['destination']
+ device += f' --device={source_dev}:{dest_dev}'
+
+ # Check/set environment options "-e foo=bar"
+ env_opt = ''
+ if 'environment' in container_config:
+ for k, v in container_config['environment'].items():
+ env_opt += f" -e \"{k}={v['value']}\""
+
+ # Publish ports
+ port = ''
+ if 'port' in container_config:
+ protocol = ''
+ for portmap in container_config['port']:
+ if 'protocol' in container_config['port'][portmap]:
+ protocol = container_config['port'][portmap]['protocol']
+ protocol = f'/{protocol}'
+ else:
+ protocol = '/tcp'
+ sport = container_config['port'][portmap]['source']
+ dport = container_config['port'][portmap]['destination']
+ port += f' -p {sport}:{dport}{protocol}'
+
+ # Bind volume
+ volume = ''
+ if 'volume' in container_config:
+ for vol, vol_config in container_config['volume'].items():
+ svol = vol_config['source']
+ dvol = vol_config['destination']
+ volume += f' -v {svol}:{dvol}'
+
+ container_base_cmd = f'--detach --interactive --tty --replace {cap_add} ' \
+ f'--memory {memory}m --memory-swap 0 --restart {restart} ' \
+ f'--name {name} {device} {port} {volume} {env_opt}'
+
+ if 'allow_host_networks' in container_config:
+ return f'{container_base_cmd} --net host {image}'
+
+ ip_param = ''
+ networks = ",".join(container_config['network'])
+ for network in container_config['network']:
+ if 'address' in container_config['network'][network]:
+ address = container_config['network'][network]['address']
+ ip_param = f'--ip {address}'
+
+ return f'{container_base_cmd} --net {networks} {ip_param} {image}'
+
def generate(container):
# bail out early - looks like removal from running config
if not container:
@@ -263,6 +312,15 @@ def generate(container):
render(config_containers_registry, 'container/registries.conf.j2', container)
render(config_containers_storage, 'container/storage.conf.j2', container)
+ if 'name' in container:
+ for name, container_config in container['name'].items():
+ if 'disable' in container_config:
+ continue
+
+ file_path = os.path.join(systemd_unit_path, f'vyos-container-{name}.service')
+ run_args = generate_run_arguments(name, container_config)
+ render(file_path, 'container/systemd-unit.j2', {'name': name, 'run_args': run_args})
+
return None
def apply(container):
@@ -270,8 +328,12 @@ def apply(container):
# Option "--force" allows to delete containers with any status
if 'container_remove' in container:
for name in container['container_remove']:
- call(f'podman stop --time 3 {name}')
- call(f'podman rm --force {name}')
+ file_path = os.path.join(systemd_unit_path, f'vyos-container-{name}.service')
+ call(f'systemctl stop vyos-container-{name}.service')
+ if os.path.exists(file_path):
+ os.unlink(file_path)
+
+ call('systemctl daemon-reload')
# Delete old networks if needed
if 'network_remove' in container:
@@ -282,6 +344,7 @@ def apply(container):
os.unlink(tmp)
# Add container
+ disabled_new = False
if 'name' in container:
for name, container_config in container['name'].items():
image = container_config['image']
@@ -295,70 +358,17 @@ def apply(container):
# check if there is a container by that name running
tmp = _cmd('podman ps -a --format "{{.Names}}"')
if name in tmp:
- _cmd(f'podman stop --time 3 {name}')
- _cmd(f'podman rm --force {name}')
+ file_path = os.path.join(systemd_unit_path, f'vyos-container-{name}.service')
+ call(f'systemctl stop vyos-container-{name}.service')
+ if os.path.exists(file_path):
+ disabled_new = True
+ os.unlink(file_path)
continue
- memory = container_config['memory']
- restart = container_config['restart']
-
- # Add capability options. Should be in uppercase
- cap_add = ''
- if 'cap_add' in container_config:
- for c in container_config['cap_add']:
- c = c.upper()
- c = c.replace('-', '_')
- cap_add += f' --cap-add={c}'
-
- # Add a host device to the container /dev/x:/dev/x
- device = ''
- if 'device' in container_config:
- for dev, dev_config in container_config['device'].items():
- source_dev = dev_config['source']
- dest_dev = dev_config['destination']
- device += f' --device={source_dev}:{dest_dev}'
-
- # Check/set environment options "-e foo=bar"
- env_opt = ''
- if 'environment' in container_config:
- for k, v in container_config['environment'].items():
- env_opt += f" -e \"{k}={v['value']}\""
-
- # Publish ports
- port = ''
- if 'port' in container_config:
- protocol = ''
- for portmap in container_config['port']:
- if 'protocol' in container_config['port'][portmap]:
- protocol = container_config['port'][portmap]['protocol']
- protocol = f'/{protocol}'
- else:
- protocol = '/tcp'
- sport = container_config['port'][portmap]['source']
- dport = container_config['port'][portmap]['destination']
- port += f' -p {sport}:{dport}{protocol}'
-
- # Bind volume
- volume = ''
- if 'volume' in container_config:
- for vol, vol_config in container_config['volume'].items():
- svol = vol_config['source']
- dvol = vol_config['destination']
- volume += f' -v {svol}:{dvol}'
-
- container_base_cmd = f'podman run --detach --interactive --tty --replace {cap_add} ' \
- f'--memory {memory}m --memory-swap 0 --restart {restart} ' \
- f'--name {name} {device} {port} {volume} {env_opt}'
- if 'allow_host_networks' in container_config:
- _run_rerun(f'{container_base_cmd} --net host {image}')
- else:
- for network in container_config['network']:
- ipparam = ''
- if 'address' in container_config['network'][network]:
- address = container_config['network'][network]['address']
- ipparam = f'--ip {address}'
+ cmd(f'systemctl restart vyos-container-{name}.service')
- _run_rerun(f'{container_base_cmd} --net {network} {ipparam} {image}')
+ if disabled_new:
+ call('systemctl daemon-reload')
return None