made it work with teleport ansible script

.gitignore

@@ -1 +1,2 @@
-Caddyfile
+Caddyfile
+Caddyfile.old

caddyinstall.ansible.yml

@@ -5,15 +5,21 @@
     dest: /usr/bin/caddy
     mode: '0751'
 
-- name: create caddyfile
+- name: save a copy of old file
+  ansible.builtin.fetch:
+    src: "{{ CADDYFILE_DEST }}"
+    dest: './caddyfile/Caddyfile.old'
+  when: SAVE_OLD
+
+- name: create caddyfile if it does not exist
   ansible.builtin.blockinfile:
     block: |
       localhost {
         respond "200"
       }
-      ####
-    path: "{{ CADDYFILE_LOC }}"
+    path: "{{ CADDYFILE_DEST }}"
     create: true
+    marker: "### {mark} Caddy configure setup stuffs ###"
 
 - name: create Caddy systemd file
   ansible.builtin.copy:
@@ -28,8 +34,8 @@
       Type=notify
       User=root
       Group=root
-      ExecStart=/usr/bin/caddy run --environ --config {{ CADDYFILE_LOC }}
-      ExecReload=/usr/bin/caddy reload --config {{ CADDYFILE_LOC }} --force
+      ExecStart=/usr/bin/caddy run --environ --config {{ CADDYFILE_DEST }}
+      ExecReload=/usr/bin/caddy reload --config {{ CADDYFILE_DEST }} --force
       TimeoutStopSec=5s
       LimitNOFILE=1048576
       LimitNPROC=512
@@ -49,5 +55,4 @@
     daemon_reload: true
 
 - name: install caddy trust
-  ansible.builtin.shell: "caddy trust"
-    
+  ansible.builtin.shell: "caddy trust"

main.ansible.yml

@@ -15,9 +15,9 @@
 
     - name: copy existing Caddyfile to make sure there is a backup
       ansible.builtin.copy:
-        src: "{{ CADDYFILE_LOC }}"
+        src: "{{ CADDYFILE_DEST }}"
         remote_src: true
-        dest: "{{ CADDYFILE_LOC }}.bak"
+        dest: "{{ CADDYFILE_DEST }}.bak"
         owner: root
         group: root
         mode: '0644'
@@ -25,8 +25,9 @@
     - name: Insert/Update configuration using a local file and validate it
       ansible.builtin.blockinfile:
         block: "{{ lookup('ansible.builtin.file', './caddyfile/Caddyfile') }}"
-        path: "{{ CADDYFILE_LOC }}"
-        insertafter: "####"
+        path: "{{ CADDYFILE_DEST }}"
+        insertafter: "### Caddy configure setup stuffs ###"
+        marker: "### {mark} user configured section ###"
 
     - name: restart Caddy
       ansible.builtin.systemd_service:

vars/default.yml

@@ -2,4 +2,9 @@
 #if you want to install/upgrade caddy on the host above please set INSTALL_CADDY to true.
 INSTALL_CADDY: true
 #Put the location of your caddyfile should you need to manually edit it and want it in an easier place to find.
-CADDYFILE_LOC: /etc/caddy/Caddyfile
+CADDYFILE_DEST: /etc/caddy/Caddyfile
+# if you already set up caddy before and need to save you caddy file to copy over to your new one set this to true.
+# but it will likely just add the new stuff below your old configuration and keep everything working
+# if you do want to delete you old caddy file and use caddyconfigure for everything change this to true, copy the contents from ../caddyfile/Caddyfile.old to ../caddyfile/Caddyfile, 
+# delete the Caddy file from the server and run the script again
+SAVE_OLD: false