From 46256a0fb96e095c6012f2bf3dd06c28d1577e64 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Mon, 14 Aug 2023 20:23:50 +0200
Subject: docker: configure logging driver

---
 roles/docker/tasks/logging.yml | 32 ++++++++++++++++++++++++++++++++
 roles/docker/tasks/main.yml    |  4 ++++
 2 files changed, 36 insertions(+)
 create mode 100644 roles/docker/tasks/logging.yml

diff --git a/roles/docker/tasks/logging.yml b/roles/docker/tasks/logging.yml
new file mode 100644
index 0000000..99d3cab
--- /dev/null
+++ b/roles/docker/tasks/logging.yml
@@ -0,0 +1,32 @@
+- name: Read Docker config
+  block:
+    - name: Read daemon.json
+      become: true
+      ansible.builtin.slurp:
+        src: /etc/docker/daemon.json
+      register: docker_config
+
+    - name: Parse daemon.json
+      ansible.builtin.set_fact:
+        docker_config: '{{ docker_config.content | b64decode | from_json }}'
+  rescue:
+    - name: daemon.json is missing
+      ansible.builtin.set_fact:
+        docker_config: {}
+
+- name: Modify Docker config
+  become: true
+  ansible.builtin.copy:
+    dest: /etc/docker/daemon.json
+    content: '{{ docker_config | combine({"log-driver": docker_logging_driver}) | to_nice_json }}'
+    owner: root
+    group: root
+    mode: '644'
+  register: daemon_json
+
+- name: Restart Docker
+  become: true
+  ansible.builtin.systemd_service:
+    name: docker
+    state: restarted
+  when: daemon_json.changed
diff --git a/roles/docker/tasks/main.yml b/roles/docker/tasks/main.yml
index ae8f668..c8361a0 100644
--- a/roles/docker/tasks/main.yml
+++ b/roles/docker/tasks/main.yml
@@ -17,3 +17,7 @@
     networks: true
     volumes: true
     builder_cache: true
+
+- name: Configure Docker logging driver
+  when: docker_logging_driver is defined and docker_logging_driver
+  ansible.builtin.include_tasks: logging.yml
-- 
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