Add option for install behind http_proxy (#384)

* Add option for install behind http_proxy

* Tidy up http_proxy usage

inventory/sample/group_vars/all.yml

@@ -121,3 +121,9 @@ custom_registries_yaml: |
       auth:
         username: yourusername
         password: yourpassword
+
+# Only enable and configure these if you access the internet through a proxy
+# proxy_env:
+#   HTTP_PROXY: "http://proxy.domain.local:3128"
+#   HTTPS_PROXY: "http://proxy.domain.local:3128"
+#   NO_PROXY: "*.domain.local,127.0.0.0/8,10.0.0.0/8,172.16.0.0/12,192.168.0.0/16"

roles/k3s_agent/tasks/http_proxy.yml

@@ -0,0 +1,18 @@
+---
+
+- name: Create k3s.service.d directory
+  file:
+    path: '{{ systemd_dir }}/k3s.service.d'
+    state: directory
+    owner: root
+    group: root
+    mode: '0755'
+
+
+- name: Copy K3s http_proxy conf file
+  template:
+    src: "http_proxy.conf.j2"
+    dest: "{{ systemd_dir }}/k3s.service.d/http_proxy.conf"
+    owner: root
+    group: root
+    mode: '0755'

roles/k3s_agent/tasks/main.yml

@@ -1,5 +1,9 @@
 ---
 
+- name: Deploy K3s http_proxy conf
+  include_tasks: http_proxy.yml
+  when: proxy_env is defined
+
 - name: Copy K3s service file
   template:
     src: "k3s.service.j2"

roles/k3s_agent/templates/http_proxy.conf.j2

@@ -0,0 +1,4 @@
+[Service]
+Environment=HTTP_PROXY={{ proxy_env.HTTP_PROXY }}
+Environment=HTTPS_PROXY={{ proxy_env.HTTPS_PROXY }}
+Environment=NO_PROXY={{ proxy_env.NO_PROXY }}

roles/k3s_server/tasks/http_proxy.yml

@@ -0,0 +1,18 @@
+---
+
+- name: Create k3s.service.d directory
+  file:
+    path: '{{ systemd_dir }}/k3s.service.d'
+    state: directory
+    owner: root
+    group: root
+    mode: '0755'
+
+
+- name: Copy K3s http_proxy conf file
+  template:
+    src: "http_proxy.conf.j2"
+    dest: "{{ systemd_dir }}/k3s.service.d/http_proxy.conf"
+    owner: root
+    group: root
+    mode: '0755'

roles/k3s_server/tasks/main.yml

@@ -12,6 +12,10 @@
   failed_when: false
   changed_when: false
 
+- name: Deploy K3s http_proxy conf
+  include_tasks: http_proxy.yml
+  when: proxy_env is defined
+
 - name: Deploy vip manifest
   include_tasks: vip.yml
 

roles/k3s_server/templates/http_proxy.conf.j2

@@ -0,0 +1,4 @@
+[Service]
+Environment=HTTP_PROXY={{ proxy_env.HTTP_PROXY }}
+Environment=HTTPS_PROXY={{ proxy_env.HTTPS_PROXY }}
+Environment=NO_PROXY={{ proxy_env.NO_PROXY }}

roles/reset/tasks/main.yml

@@ -46,6 +46,15 @@
     - /var/lib/rancher/
     - /var/lib/cni/
 
+- name: Remove K3s http_proxy files
+  file:
+    name: "{{ item }}"
+    state: absent
+  with_items:
+    - "{{ systemd_dir }}/k3s.service.d"
+    - "{{ systemd_dir }}/k3s-node.service.d"
+  when: proxy_env is defined
+
 - name: Reload daemon_reload
   systemd:
     daemon_reload: yes

site.yml

@@ -3,13 +3,15 @@
   hosts: proxmox
   gather_facts: true
   become: yes
+  environment: "{{ proxy_env | default({}) }}"
   roles:
     - role: proxmox_lxc
       when: proxmox_lxc_configure
 
 - name: Prepare k3s nodes
   hosts: k3s_cluster
   gather_facts: yes
+  environment: "{{ proxy_env | default({}) }}"
   roles:
     - role: lxc
       become: true
@@ -26,18 +28,21 @@
 
 - name: Setup k3s servers
   hosts: master
+  environment: "{{ proxy_env | default({}) }}"
   roles:
     - role: k3s_server
       become: true
 
 - name: Setup k3s agents
   hosts: node
+  environment: "{{ proxy_env | default({}) }}"
   roles:
     - role: k3s_agent
       become: true
 
 - name: Configure k3s cluster
   hosts: master
+  environment: "{{ proxy_env | default({}) }}"
   roles:
     - role: k3s_server_post
       become: true