From 37b8d0329254f3c3b242b8fa3cb595093b7786e5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Franti=C5=A1ek=20Dvo=C5=99=C3=A1k?= <valtri@civ.zcu.cz>
Date: Tue, 2 Apr 2024 21:55:37 +0000
Subject: [PATCH] Solve the problem with docker runtime directory
Docker unmounts overlay2 directory when stopping. Post shutdown script
will remount it again.
---
.ansible-lint | 1 +
cesnet-central/playbooks/k8s.yaml | 27 +++++++++++++++++++++++++++
2 files changed, 28 insertions(+)
diff --git a/.ansible-lint b/.ansible-lint
index f575d30..d8cb4a4 100644
--- a/.ansible-lint
+++ b/.ansible-lint
@@ -1,3 +1,4 @@
skip_list:
+ - command-instead-of-module
- fqcn-builtins
- yaml[line-length]
diff --git a/cesnet-central/playbooks/k8s.yaml b/cesnet-central/playbooks/k8s.yaml
index 812d46f..72f1dda 100644
--- a/cesnet-central/playbooks/k8s.yaml
+++ b/cesnet-central/playbooks/k8s.yaml
@@ -180,6 +180,33 @@
kube_type_of_node: wn
kube_version: 1.28.8
kubelet_extra_args: '--volume-stats-agg-period 0'
+ tasks:
+ - name: Overlay2 mountpoint workaround to docker.service unit
+ lineinfile:
+ path: /lib/systemd/system/docker.service
+ firstmatch: true
+ insertafter: '\[Service\]'
+ line: 'ExecStopPost=mount /var/lib/docker/overlay2'
+ regexp: '^\s*ExecStopPost\s*='
+ - name: Local docker.service unit
+ copy:
+ src: /lib/systemd/system/docker.service
+ dest: /etc/systemd/system/docker.service
+ mode: 0644
+ remote_src: true
+ notify:
+ - Reload systemd daemon
+ - Restart docker
+ handlers:
+ - name: Reload systemd daemon
+ command:
+ cmd: systemctl daemon-reload
+ ignore_errors: true
+ - name: Restart docker
+ service:
+ name: docker
+ state: restarted
+
- name: K8s customization
hosts: master
--
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