diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/conf_mode/container.py | 172 | ||||
| -rwxr-xr-x | src/helpers/system-versions-foot.py | 21 | ||||
| -rwxr-xr-x | src/op_mode/ipsec.py | 5 | ||||
| -rwxr-xr-x | src/op_mode/memory.py | 27 | ||||
| -rwxr-xr-x | src/op_mode/nat.py | 22 | ||||
| -rwxr-xr-x | src/op_mode/storage.py | 18 |
6 files changed, 152 insertions, 113 deletions
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 diff --git a/src/helpers/system-versions-foot.py b/src/helpers/system-versions-foot.py index 2aa687221..9614f0d28 100755 --- a/src/helpers/system-versions-foot.py +++ b/src/helpers/system-versions-foot.py @@ -1,6 +1,6 @@ #!/usr/bin/python3 -# Copyright 2019 VyOS maintainers and contributors <maintainers@vyos.io> +# Copyright 2019, 2022 VyOS maintainers and contributors <maintainers@vyos.io> # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public @@ -16,24 +16,13 @@ # along with this library. If not, see <http://www.gnu.org/licenses/>. import sys -import vyos.formatversions as formatversions -import vyos.systemversions as systemversions import vyos.defaults -import vyos.version - -sys_versions = systemversions.get_system_component_version() - -component_string = formatversions.format_versions_string(sys_versions) - -os_version_string = vyos.version.get_version() +from vyos.component_version import write_system_footer sys.stdout.write("\n\n") if vyos.defaults.cfg_vintage == 'vyos': - formatversions.write_vyos_versions_foot(None, component_string, - os_version_string) + write_system_footer(None, vintage='vyos') elif vyos.defaults.cfg_vintage == 'vyatta': - formatversions.write_vyatta_versions_foot(None, component_string, - os_version_string) + write_system_footer(None, vintage='vyatta') else: - formatversions.write_vyatta_versions_foot(None, component_string, - os_version_string) + write_system_footer(None, vintage='vyos') diff --git a/src/op_mode/ipsec.py b/src/op_mode/ipsec.py index 7ec35d7bd..aaa0cec5a 100755 --- a/src/op_mode/ipsec.py +++ b/src/op_mode/ipsec.py @@ -43,7 +43,10 @@ def _alphanum_key(key): def _get_vici_sas(): from vici import Session as vici_session - session = vici_session() + try: + session = vici_session() + except Exception: + raise vyos.opmode.UnconfiguredSubsystem("IPsec not initialized") sas = list(session.list_sas()) return sas diff --git a/src/op_mode/memory.py b/src/op_mode/memory.py index 178544be4..7666de646 100755 --- a/src/op_mode/memory.py +++ b/src/op_mode/memory.py @@ -20,7 +20,7 @@ import sys import vyos.opmode -def _get_system_memory(): +def _get_raw_data(): from re import search as re_search def find_value(keyword, mem_data): @@ -38,7 +38,7 @@ def _get_system_memory(): used = total - available - res = { + mem_data = { "total": total, "free": available, "used": used, @@ -46,24 +46,21 @@ def _get_system_memory(): "cached": cached } - return res - -def _get_system_memory_human(): - from vyos.util import bytes_to_human - - mem = _get_system_memory() - - for key in mem: + for key in mem_data: # The Linux kernel exposes memory values in kilobytes, # so we need to normalize them - mem[key] = bytes_to_human(mem[key], initial_exponent=10) + mem_data[key] = mem_data[key] * 1024 - return mem - -def _get_raw_data(): - return _get_system_memory_human() + return mem_data def _get_formatted_output(mem): + from vyos.util import bytes_to_human + + # For human-readable outputs, we convert bytes to more convenient units + # (100M, 1.3G...) + for key in mem: + mem[key] = bytes_to_human(mem[key]) + out = "Total: {}\n".format(mem["total"]) out += "Free: {}\n".format(mem["free"]) out += "Used: {}".format(mem["used"]) diff --git a/src/op_mode/nat.py b/src/op_mode/nat.py index 845dbbb2c..f899eb3dc 100755 --- a/src/op_mode/nat.py +++ b/src/op_mode/nat.py @@ -22,12 +22,18 @@ import xmltodict from sys import exit from tabulate import tabulate +from vyos.configquery import ConfigTreeQuery + from vyos.util import cmd from vyos.util import dict_search import vyos.opmode +base = 'nat' +unconf_message = 'NAT is not configured' + + def _get_xml_translation(direction, family): """ Get conntrack XML output --src-nat|--dst-nat @@ -277,6 +283,20 @@ def _get_formatted_translation(dict_data, nat_direction, family): return output +def _verify(func): + """Decorator checks if NAT config exists""" + from functools import wraps + + @wraps(func) + def _wrapper(*args, **kwargs): + config = ConfigTreeQuery() + if not config.exists(base): + raise vyos.opmode.UnconfiguredSubsystem(unconf_message) + return func(*args, **kwargs) + return _wrapper + + +@_verify def show_rules(raw: bool, direction: str, family: str): nat_rules = _get_raw_data_rules(direction, family) if raw: @@ -285,6 +305,7 @@ def show_rules(raw: bool, direction: str, family: str): return _get_formatted_output_rules(nat_rules, direction, family) +@_verify def show_statistics(raw: bool, direction: str, family: str): nat_statistics = _get_raw_data_rules(direction, family) if raw: @@ -293,6 +314,7 @@ def show_statistics(raw: bool, direction: str, family: str): return _get_formatted_output_statistics(nat_statistics, direction) +@_verify def show_translations(raw: bool, direction: str, family: str): family = 'ipv6' if family == 'inet6' else 'ipv4' nat_translation = _get_raw_translation(direction, family) diff --git a/src/op_mode/storage.py b/src/op_mode/storage.py index 75964c493..d16e271bd 100755 --- a/src/op_mode/storage.py +++ b/src/op_mode/storage.py @@ -20,6 +20,16 @@ import sys import vyos.opmode from vyos.util import cmd +# FIY: As of coreutils from Debian Buster and Bullseye, +# the outpt looks like this: +# +# $ df -h -t ext4 --output=source,size,used,avail,pcent +# Filesystem Size Used Avail Use% +# /dev/sda1 16G 7.6G 7.3G 51% +# +# Those field names are automatically normalized by vyos.opmode.run, +# so we don't touch them here, +# and only normalize values. def _get_system_storage(only_persistent=False): if not only_persistent: @@ -32,11 +42,19 @@ def _get_system_storage(only_persistent=False): return res def _get_raw_data(): + from re import sub as re_sub + from vyos.util import human_to_bytes + out = _get_system_storage(only_persistent=True) lines = out.splitlines() lists = [l.split() for l in lines] res = {lists[0][i]: lists[1][i] for i in range(len(lists[0]))} + res["Size"] = human_to_bytes(res["Size"]) + res["Used"] = human_to_bytes(res["Used"]) + res["Avail"] = human_to_bytes(res["Avail"]) + res["Use%"] = re_sub(r'%', '', res["Use%"]) + return res def _get_formatted_output(): |