From 81dea053e7178b8fea836a85aacde2a38ffb9e09 Mon Sep 17 00:00:00 2001 From: Nicolas Vollmar Date: Mon, 27 May 2024 13:12:54 +0200 Subject: T6406: add container cpu limit option --- src/conf_mode/container.py | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'src/conf_mode') 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}' -- cgit v1.2.3