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authorNicolas Vollmar <nvo@scaling.ch>2024-05-27 13:12:54 +0200
committerNicolas Vollmar <nvo@scaling.ch>2024-05-28 07:38:58 +0200
commit81dea053e7178b8fea836a85aacde2a38ffb9e09 (patch)
treed9b30716c422f33d3b84985baf30159a44625b53 /src/conf_mode/container.py
parent5146cb23fff56e5a84db8c84120b836ceeae47f2 (diff)
downloadvyos-1x-81dea053e7178b8fea836a85aacde2a38ffb9e09.tar.gz
vyos-1x-81dea053e7178b8fea836a85aacde2a38ffb9e09.zip
T6406: add container cpu limit option
Diffstat (limited to 'src/conf_mode/container.py')
-rwxr-xr-xsrc/conf_mode/container.py9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/conf_mode/container.py b/src/conf_mode/container.py
index 91a10e891..2294b8e57 100755
--- a/src/conf_mode/container.py
+++ b/src/conf_mode/container.py
@@ -16,6 +16,7 @@
import os
+from decimal import Decimal
from hashlib import sha256
from ipaddress import ip_address
from ipaddress import ip_network
@@ -127,6 +128,11 @@ def verify(container):
f'locally. Please use "add container image {image}" to add it '\
f'to the system! Container "{name}" will not be started!')
+ if 'cpus' in container_config:
+ cores = os.cpu_count()
+ if Decimal(container_config['cpus']) > cores:
+ raise ConfigError(f'Cannot set limit to more cores than available "{name}"!')
+
if 'network' in container_config:
if len(container_config['network']) > 1:
raise ConfigError(f'Only one network can be specified for container "{name}"!')
@@ -257,6 +263,7 @@ def verify(container):
def generate_run_arguments(name, container_config):
image = container_config['image']
+ cpus = container_config['cpus']
memory = container_config['memory']
shared_memory = container_config['shared_memory']
restart = container_config['restart']
@@ -333,7 +340,7 @@ def generate_run_arguments(name, container_config):
if 'allow_host_pid' in container_config:
host_pid = '--pid host'
- container_base_cmd = f'--detach --interactive --tty --replace {capabilities} ' \
+ container_base_cmd = f'--detach --interactive --tty --replace {capabilities} --cpus {cpus} ' \
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}'