diff options
Diffstat (limited to 'src/conf_mode/container.py')
-rwxr-xr-x | src/conf_mode/container.py | 54 |
1 files changed, 52 insertions, 2 deletions
diff --git a/src/conf_mode/container.py b/src/conf_mode/container.py index 14387cbbf..94882fc14 100755 --- a/src/conf_mode/container.py +++ b/src/conf_mode/container.py @@ -22,6 +22,7 @@ from ipaddress import ip_address from ipaddress import ip_network from json import dumps as json_write +import psutil from vyos.base import Warning from vyos.config import Config from vyos.configdict import dict_merge @@ -148,6 +149,9 @@ def verify(container): if network_name not in container.get('network', {}): raise ConfigError(f'Container network "{network_name}" does not exist!') + if 'name_server' in container_config and 'no_name_server' not in container['network'][network_name]: + raise ConfigError(f'Setting name server has no effect when attached container network has DNS enabled!') + if 'address' in container_config['network'][network_name]: cnt_ipv4 = 0 cnt_ipv6 = 0 @@ -220,6 +224,21 @@ def verify(container): if not os.path.exists(source): raise ConfigError(f'Volume "{volume}" source path "{source}" does not exist!') + if 'tmpfs' in container_config: + for tmpfs, tmpfs_config in container_config['tmpfs'].items(): + if 'destination' not in tmpfs_config: + raise ConfigError(f'tmpfs "{tmpfs}" has no destination path configured!') + if 'size' in tmpfs_config: + free_mem_mb: int = psutil.virtual_memory().available / 1024 / 1024 + if int(tmpfs_config['size']) > free_mem_mb: + Warning(f'tmpfs "{tmpfs}" size is greater than the current free memory!') + + total_mem_mb: int = (psutil.virtual_memory().total / 1024 / 1024) / 2 + if int(tmpfs_config['size']) > total_mem_mb: + raise ConfigError(f'tmpfs "{tmpfs}" size should not be more than 50% of total system memory!') + else: + raise ConfigError(f'tmpfs "{tmpfs}" has no size configured!') + if 'port' in container_config: for tmp in container_config['port']: if not {'source', 'destination'} <= set(container_config['port'][tmp]): @@ -270,6 +289,13 @@ def verify(container): if 'registry' in container: for registry, registry_config in container['registry'].items(): + if 'mirror' in registry_config: + if 'host_name' in registry_config['mirror'] and 'address' in registry_config['mirror']: + raise ConfigError(f'Container registry mirror address/host-name are mutually exclusive!') + + if 'path' in registry_config['mirror'] and not registry_config['mirror']['path'].startswith('/'): + raise ConfigError('Container registry mirror path must start with "/"!') + if 'authentication' not in registry_config: continue if not {'username', 'password'} <= set(registry_config['authentication']): @@ -298,6 +324,11 @@ def generate_run_arguments(name, container_config): cap = cap.upper().replace('-', '_') capabilities += f' --cap-add={cap}' + # Grant root capabilities to the container + privileged = '' + if 'privileged' in container_config: + privileged = '--privileged' + # Add a host device to the container /dev/x:/dev/x device = '' if 'device' in container_config: @@ -359,13 +390,26 @@ def generate_run_arguments(name, container_config): prop = vol_config['propagation'] volume += f' --volume {svol}:{dvol}:{mode},{prop}' + # Mount tmpfs + tmpfs = '' + if 'tmpfs' in container_config: + for tmpfs_config in container_config['tmpfs'].values(): + dest = tmpfs_config['destination'] + size = tmpfs_config['size'] + tmpfs += f' --mount=type=tmpfs,tmpfs-size={size}M,destination={dest}' + host_pid = '' if 'allow_host_pid' in container_config: host_pid = '--pid host' - container_base_cmd = f'--detach --interactive --tty --replace {capabilities} --cpus {cpu_quota} {sysctl_opt} ' \ + name_server = '' + if 'name_server' in container_config: + for ns in container_config['name_server']: + name_server += f'--dns {ns}' + + container_base_cmd = f'--detach --interactive --tty --replace {capabilities} {privileged} --cpus {cpu_quota} {sysctl_opt} ' \ f'--memory {memory}m --shm-size {shared_memory}m --memory-swap 0 --restart {restart} ' \ - f'--name {name} {hostname} {device} {port} {volume} {env_opt} {label} {uid} {host_pid}' + f'--name {name} {hostname} {device} {port} {name_server} {volume} {tmpfs} {env_opt} {label} {uid} {host_pid}' entrypoint = '' if 'entrypoint' in container_config: @@ -419,12 +463,18 @@ def generate(container): 'dns_enabled': True, 'ipam_options': { 'driver': 'host-local' + }, + 'options': { + 'mtu': '1500' } } if 'no_name_server' in network_config: tmp['dns_enabled'] = False + if 'mtu' in network_config: + tmp['options']['mtu'] = network_config['mtu'] + for prefix in network_config['prefix']: net = {'subnet': prefix, 'gateway': inc_ip(prefix, 1)} tmp['subnets'].append(net) |