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feat:use 'systemd' cgroup driver

pull/1006/head
gjmzj 2021-04-19 00:00:55 +08:00
parent e0b1c400df
commit e017033a50
6 changed files with 146 additions and 68 deletions
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180
roles/containerd/templates/config.toml.j2
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@ -1,14 +1,26 @@
root = "{{ CONTAINERD_STORAGE_DIR }}"
version = 2
root = "{{ CONTAINERD_STORAGE_DIR }}"
state = "/run/containerd"
oom_score = -999
plugin_dir = ""
disabled_plugins = []
required_plugins = []
oom_score = 0
[grpc]
address = "/run/containerd/containerd.sock"
tcp_address = ""
tcp_tls_cert = ""
tcp_tls_key = ""
uid = 0
gid = 0
max_recv_message_size = 16777216
max_send_message_size = 16777216
[ttrpc]
address = ""
uid = 0
gid = 0
[debug]
address = ""
uid = 0
@ -22,73 +34,109 @@ oom_score = -999
[cgroup]
path = ""
[timeouts]
"io.containerd.timeout.shim.cleanup" = "5s"
"io.containerd.timeout.shim.load" = "5s"
"io.containerd.timeout.shim.shutdown" = "3s"
"io.containerd.timeout.task.state" = "2s"
[plugins]
[plugins.cgroups]
no_prometheus = false
[plugins.cri]
stream_server_address = "127.0.0.1"
stream_server_port = "0"
enable_selinux = false
sandbox_image = "{{ SANDBOX_IMAGE }}"
stats_collect_period = 10
systemd_cgroup = false
enable_tls_streaming = false
max_container_log_line_size = 16384
[plugins.cri.containerd]
snapshotter = "overlayfs"
no_pivot = false
[plugins.cri.containerd.default_runtime]
runtime_type = "io.containerd.runtime.v1.linux"
runtime_engine = ""
runtime_root = ""
[plugins.cri.containerd.untrusted_workload_runtime]
runtime_type = ""
runtime_engine = ""
runtime_root = ""
[plugins.cri.cni]
bin_dir = "{{ bin_dir }}"
conf_dir = "/etc/cni/net.d"
conf_template = "/etc/cni/net.d/10-default.conf"
{% if ENABLE_MIRROR_REGISTRY %}
[plugins.cri.registry]
[plugins.cri.registry.mirrors]
# reference from https://www.ilanni.com/?p=14534
[plugins.cri.registry.mirrors."docker.io"]
endpoint = [
"https://docker.mirrors.ustc.edu.cn",
"http://hub-mirror.c.163.com"
]
[plugins.cri.registry.mirrors."gcr.io"]
endpoint = [
"https://gcr.mirrors.ustc.edu.cn"
]
[plugins.cri.registry.mirrors."k8s.gcr.io"]
endpoint = [
"https://gcr.mirrors.ustc.edu.cn/google-containers/"
]
[plugins.cri.registry.mirrors."quay.io"]
endpoint = [
"https://quay.mirrors.ustc.edu.cn"
]
{% endif %}
[plugins.cri.x509_key_pair_streaming]
tls_cert_file = ""
tls_key_file = ""
[plugins.diff-service]
default = ["walking"]
[plugins.linux]
shim = "containerd-shim"
runtime = "runc"
runtime_root = ""
no_shim = false
shim_debug = false
[plugins.opt]
path = "/opt/containerd"
[plugins.restart]
interval = "10s"
[plugins.scheduler]
[plugins."io.containerd.gc.v1.scheduler"]
pause_threshold = 0.02
deletion_threshold = 0
mutation_threshold = 100
schedule_delay = "0s"
startup_delay = "100ms"
[plugins."io.containerd.grpc.v1.cri"]
disable_tcp_service = true
stream_server_address = "127.0.0.1"
stream_server_port = "0"
stream_idle_timeout = "4h0m0s"
enable_selinux = false
selinux_category_range = 1024
sandbox_image = "{{ SANDBOX_IMAGE }}"
stats_collect_period = 10
systemd_cgroup = false
enable_tls_streaming = false
max_container_log_line_size = 16384
disable_cgroup = false
disable_apparmor = false
restrict_oom_score_adj = false
max_concurrent_downloads = 3
disable_proc_mount = false
unset_seccomp_profile = ""
tolerate_missing_hugetlb_controller = true
disable_hugetlb_controller = true
ignore_image_defined_volumes = false
[plugins."io.containerd.grpc.v1.cri".containerd]
snapshotter = "overlayfs"
default_runtime_name = "runc"
no_pivot = false
disable_snapshot_annotations = true
discard_unpacked_layers = false
[plugins."io.containerd.grpc.v1.cri".containerd.default_runtime]
runtime_type = ""
runtime_engine = ""
runtime_root = ""
privileged_without_host_devices = false
base_runtime_spec = ""
[plugins."io.containerd.grpc.v1.cri".containerd.untrusted_workload_runtime]
runtime_type = ""
runtime_engine = ""
runtime_root = ""
privileged_without_host_devices = false
base_runtime_spec = ""
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
runtime_type = "io.containerd.runc.v2"
runtime_engine = ""
runtime_root = ""
privileged_without_host_devices = false
base_runtime_spec = ""
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
SystemdCgroup = true
[plugins."io.containerd.grpc.v1.cri".cni]
bin_dir = "{{ bin_dir }}"
conf_dir = "/etc/cni/net.d"
max_conf_num = 1
conf_template = "/etc/cni/net.d/10-default.conf"
{% if ENABLE_MIRROR_REGISTRY %}
[plugins."io.containerd.grpc.v1.cri".registry]
[plugins."io.containerd.grpc.v1.cri".registry.mirrors]
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."docker.io"]
endpoint = ["https://docker.mirrors.ustc.edu.cn", "http://hub-mirror.c.163.com"]
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."gcr.io"]
endpoint = ["https://gcr.mirrors.ustc.edu.cn"]
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."k8s.gcr.io"]
endpoint = ["https://gcr.mirrors.ustc.edu.cn/google-containers/"]
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."quay.io"]
endpoint = ["https://quay.mirrors.ustc.edu.cn"]
{% endif %}
[plugins."io.containerd.grpc.v1.cri".image_decryption]
key_model = ""
[plugins."io.containerd.grpc.v1.cri".x509_key_pair_streaming]
tls_cert_file = ""
tls_key_file = ""
[plugins."io.containerd.internal.v1.opt"]
path = "/opt/containerd"
[plugins."io.containerd.internal.v1.restart"]
interval = "10s"
[plugins."io.containerd.metadata.v1.bolt"]
content_sharing_policy = "shared"
[plugins."io.containerd.monitor.v1.cgroups"]
no_prometheus = false
[plugins."io.containerd.runtime.v1.linux"]
shim = "containerd-shim"
runtime = "runc"
runtime_root = ""
no_shim = false
shim_debug = false
[plugins."io.containerd.runtime.v2.task"]
platforms = ["linux/amd64"]
[plugins."io.containerd.service.v1.diff-service"]
default = ["walking"]
[plugins."io.containerd.snapshotter.v1.devmapper"]
root_path = ""
pool_name = ""
base_image_size = ""
async_remove = false

2
roles/docker/templates/daemon.json.j2
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@ -1,6 +1,6 @@
{
"data-root": "{{ DOCKER_STORAGE_DIR }}",
"exec-opts": ["native.cgroupdriver=cgroupfs"],
"exec-opts": ["native.cgroupdriver={{ CGROUP_DRIVER }}"],
{% if ENABLE_MIRROR_REGISTRY %}
"registry-mirrors": [
"https://docker.mirrors.ustc.edu.cn",

6
roles/docker/vars/main.yml 100644
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@ -0,0 +1,6 @@
# cgroup driver
CGROUP_DRIVER: "{%- if DOCKER_VER|float >= 20.10 -%} \
systemd \
{%- else -%} \
cgroupfs \
{%- endif -%}"

13
roles/kube-node/tasks/main.yml
View File

@ -36,6 +36,19 @@
- name: 设置变量 CLUSTER_DNS_SVC_IP
set_fact: CLUSTER_DNS_SVC_IP={{ DNS_SVC_IP.stdout }}
- block:
- name: 获取docker版本信息
shell: "{{ base_dir }}/bin/dockerd --version|cut -d' ' -f3"
register: docker_ver
- name: 转换docker版本信息为浮点数
set_fact:
DOCKER_VER: "{{ docker_ver.stdout.split('.')[0]|int + docker_ver.stdout.split('.')[1]|int/100 }}"
connection: local
run_once: true
tags: upgrade_k8s, restart_node
when: "CONTAINER_RUNTIME == 'docker'"
- name: 创建kubelet的配置文件
template: src=kubelet-config.yaml.j2 dest=/var/lib/kubelet/config.yaml
tags: upgrade_k8s, restart_node

2
roles/kube-node/templates/kubelet-config.yaml.j2
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@ -14,7 +14,7 @@ authorization:
webhook:
cacheAuthorizedTTL: 5m0s
cacheUnauthorizedTTL: 30s
cgroupDriver: cgroupfs
cgroupDriver: {{ CGROUP_DRIVER }}
cgroupsPerQOS: true
clusterDNS:
{% if ENABLE_LOCAL_DNS_CACHE %}

11
roles/kube-node/vars/main.yml
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@ -3,3 +3,14 @@ KUBE_APISERVER: "https://127.0.0.1:{{ SECURE_PORT }}"
# node local dns cache 离线镜像
dnscache_offline: "k8s-dns-node-cache_{{ dnsNodeCacheVer }}.tar"
# cgroup driver
CGROUP_DRIVER: "{%- if CONTAINER_RUNTIME == 'containerd' -%} \
systemd \
{%- else -%} \
{%- if DOCKER_VER|float >= 20.10 -%} \
systemd \
{%- else -%} \
cgroupfs \
{%- endif -%} \
{%- endif -%}"