forked from k-space/kube
Lauri Võsandi
3dce3d07fd
https://github.com/kubernetes/kubernetes/issues/107043#issuecomment-997769940
83 lines
2.5 KiB
YAML
83 lines
2.5 KiB
YAML
---
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- name: Reconfigure graceful shutdown for kubelet
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hosts: kubernetes
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tasks:
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- name: Reconfigure shutdownGracePeriod
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ansible.builtin.lineinfile:
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path: /var/lib/kubelet/config.yaml
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regexp: '^shutdownGracePeriod:'
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line: 'shutdownGracePeriod: 5m'
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- name: Reconfigure shutdownGracePeriodCriticalPods
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ansible.builtin.lineinfile:
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path: /var/lib/kubelet/config.yaml
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regexp: '^shutdownGracePeriodCriticalPods:'
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line: 'shutdownGracePeriodCriticalPods: 5m'
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- name: Work around unattended-upgrades
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ansible.builtin.lineinfile:
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path: /lib/systemd/logind.conf.d/unattended-upgrades-logind-maxdelay.conf
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regexp: '^InhibitDelayMaxSec='
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line: 'InhibitDelayMaxSec=5m0s'
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- name: Pin kube components
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hosts: kubernetes
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tasks:
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- name: Pin packages
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loop:
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- kubeadm
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- kubectl
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- kubelet
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ansible.builtin.copy:
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dest: "/etc/apt/preferences.d/{{ item }}"
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content: |
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Package: {{ item }}
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Pin: version 1.26.*
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Pin-Priority: 1001
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- name: Reset /etc/containers/registries.conf
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hosts: kubernetes
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tasks:
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- name: Copy /etc/containers/registries.conf
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ansible.builtin.copy:
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content: "unqualified-search-registries = [\"docker.io\"]\n"
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dest: /etc/containers/registries.conf
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register: registries
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- name: Restart CRI-O
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service:
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name: cri-o
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state: restarted
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when: registries.changed
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- name: Reset /etc/modules
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hosts: kubernetes
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tasks:
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- name: Copy /etc/modules
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ansible.builtin.copy:
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content: |
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overlay
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br_netfilter
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dest: /etc/modules
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register: kernel_modules
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- name: Load kernel modules
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ansible.builtin.shell: "cat /etc/modules | xargs -L 1 -t modprobe"
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when: kernel_modules.changed
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- name: Reset /etc/sysctl.d/99-k8s.conf
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hosts: kubernetes
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tasks:
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- name: Copy /etc/sysctl.d/99-k8s.conf
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ansible.builtin.copy:
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content: |
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cat > /etc/sysctl.d/99-k8s.conf << EOF
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net.ipv4.conf.all.accept_redirects = 0
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net.bridge.bridge-nf-call-iptables = 1
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net.ipv4.ip_forward = 1
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net.bridge.bridge-nf-call-ip6tables = 1
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vm.max_map_count = 524288
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fs.inotify.max_user_instances = 1280
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fs.inotify.max_user_watches = 655360
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dest: /etc/sysctl.d/99-k8s.conf
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register: sysctl
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- name: Reload sysctl config
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ansible.builtin.shell: "sysctl --system"
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when: sysctl.changed
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