From b253eadf62ef257e9f61cac5cfb500512489b821 Mon Sep 17 00:00:00 2001
From: nd <git@notandy.de>
Date: Fri, 24 Dec 2021 20:22:27 +0100
Subject: [PATCH] add docker hub cache
---
files/daemon.json | 4 ++++
files/docker-hub-cache.service | 14 ++++++++++++++
handlers/main.yml | 10 ++++++++++
tasks/main.yml | 23 +++++++++++++++++++++++
4 files changed, 51 insertions(+)
create mode 100644 files/daemon.json
create mode 100644 files/docker-hub-cache.service
create mode 100644 handlers/main.yml
diff --git a/files/daemon.json b/files/daemon.json
new file mode 100644
index 0000000..c01a9fa
--- /dev/null
+++ b/files/daemon.json
@@ -0,0 +1,4 @@
+{
+ "registry-mirrors": ["http://127.0.0.1:5000"]
+}
+
diff --git a/files/docker-hub-cache.service b/files/docker-hub-cache.service
new file mode 100644
index 0000000..7f8d137
--- /dev/null
+++ b/files/docker-hub-cache.service
@@ -0,0 +1,14 @@
+[Unit]
+Description=Docker Hub Cache
+After=docker.service
+Requires=docker.service
+
+[Service]
+TimeoutStartSec=0
+Restart=always
+ExecStartPre=-/usr/bin/docker stop registry
+ExecStartPre=-/usr/bin/docker rm registry
+ExecStart=/usr/bin/docker run -p 127.0.0.1:5000:5000 -e REGISTRY_PROXY_REMOTEURL=https://registry-1.docker.io --restart always --name registry registry:2
+
+[Install]
+WantedBy=default.target
diff --git a/handlers/main.yml b/handlers/main.yml
new file mode 100644
index 0000000..75fd407
--- /dev/null
+++ b/handlers/main.yml
@@ -0,0 +1,10 @@
+- name: update apt cache
+ apt: update_cache=yes
+- name: restart docker-hub-cache
+ service:
+ name: docker-hub-cache
+ enabled: true
+ state: restarted
+ daemon_reload: true
+- name: reload docker
+ service: name=docker state=reloaded
diff --git a/tasks/main.yml b/tasks/main.yml
index 2a1cfdd..e5e4ffd 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -6,10 +6,15 @@
- name: add docker gpg key
apt_key:
url: https://download.docker.com/linux/{{ ansible_distribution|lower }}/gpg
+ notify: "update apt cache"
- name: add docker repo
apt_repository:
repo: deb [arch=amd64] https://download.docker.com/linux/{{ ansible_distribution|lower }} {{ ansible_distribution_release|lower }} stable
+ notify: "update apt cache"
+
+- name: flush handlers so apt cahe is updated
+ meta: flush_handlers
- name: install docker components
apt:
@@ -18,6 +23,24 @@
- docker-ce-cli
- containerd.io
+- name: setup docker hub proxy service
+ notify: restart docker-hub-cache
+ copy:
+ src: docker-hub-cache.service
+ dest: /etc/systemd/system/docker-hub-cache.service
+ mode: 0644
+ owner: root
+ group: root
+
+- name: copy daemon config
+ notify: reload docker
+ copy:
+ src: daemon.json
+ dest: /etc/docker/daemon.json
+ mode: 0644
+ owner: root
+ group: root
+
- name: set periodic docker system prune
cron:
name: docker-prune
--
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