initial ansible setup

1 files changed, 49 insertions, 0 deletions

diff --git a/roles/webserver/tasks/main.yml b/roles/webserver/tasks/main.yml
new file mode 100644
index 0000000..a849f2c
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+++ b/roles/webserver/tasks/main.yml
@@ -0,0 +1,49 @@
+---
+- name: Copy webserver files
+  ansible.builtin.copy:
+    src: "{{ item }}"
+    dest: "{{ DATA_ROOT }}/nginx"
+    owner: "{{ USER }}"
+    group: "{{ USER }}"
+  loop:
+    - www
+    - user_conf.d
+  notify: Restart nginx
+
+- name: Setup nginx
+  containers.podman.podman_container:
+    name: webserver
+    image: docker.io/jonasal/nginx-certbot
+    network: "{{ NETWORK }}"
+    ports:
+      - "8080:80"
+      - "8443:443"
+    env:
+      CERTBOT_EMAIL: "johannes@memzero.de"
+      STAGING: "1"
+      DEBUG: "1"
+    volumes:
+      # Use 'Z' to privately relable selinux contexts.
+      - "{{ DATA_ROOT }}/nginx/user_conf.d:/etc/nginx/user_conf.d:ro,Z"
+      - "{{ DATA_ROOT }}/nginx/www:/www:ro,Z"
+
+# All services run in rootless-podman and nginx is the only entry point from
+# the outside acting as webserver and reverse proxy.
+# Since we dont want to lower the *unprivileged* port start (1024) we install
+# two forwarding routes from
+#   80  -> 8080
+#   443 -> 8443
+- name: Forward port 80/443 to 8080/8443
+  ansible.builtin.iptables:
+    table: nat
+    chain: PREROUTING
+    protocol: tcp
+    match: tcp
+    destination_port: "{{ item.from }}"
+    jump: REDIRECT
+    to_ports: "{{ item.to }}"
+    comment: "Redirect web traffic {{ item.from }} -> {{ item.to }}"
+  become: yes
+  loop:
+    - { from: 80 , to: 8080 }
+    - { from: 443, to: 8443 }
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