kubespray/roles/container-engine/containerd/templates/containerd.service.j2

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# Copyright The containerd Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
[Unit]
Description=containerd container runtime
Documentation=https://containerd.io
After=network.target local-fs.target
[Service]
ExecStartPre=-/sbin/modprobe overlay
ExecStart={{ containerd_bin_dir }}/containerd
Type=notify
Delegate=yes
KillMode=process
Restart=always
RestartSec=5
# Having non-zero Limit*s causes performance problems due to accounting overhead
# in the kernel. We recommend using cgroups to do container-local accounting.
LimitNPROC={{ containerd_limit_proc_num }}
LimitCORE={{ containerd_limit_core }}
LimitNOFILE={{ containerd_limit_open_file_num }}
LimitMEMLOCK={{ containerd_limit_mem_lock }}
# Comment TasksMax if your systemd version does not supports it.
# Only systemd 226 and above support this version.
TasksMax=infinity
OOMScoreAdjust=-999
# Set the cgroup slice of the service so that kube reserved takes effect
{% if kube_reserved is defined and kube_reserved|bool %}
Slice={{ kube_reserved_cgroups_for_service_slice }}
{% endif %}
[Install]
WantedBy=multi-user.target