recreate all containers when secrets change

scripts/deploy_containers.py

@@ -5,17 +5,25 @@ import subprocess
 def git_diff():
   args = sys.argv
   res = subprocess.run(f"git diff --name-only {args[1]} {args[2]}", capture_output=True, shell=True, text=True)
-  return [x for x in res.stdout.strip().split("\n") if "tasks/" in x or "roles/" in x]
+  return [x for x in res.stdout.strip().split("\n") if "tasks/" in x or "roles/" in x or "host_vars" in x]
+
+def construct_command(tag = None, host = None):
+  command = f"ANSIBLE_CONFIG=ansible.cfg /usr/bin/ansible-playbook main.yml --vault-password-file ~/.vault_pass.txt"
+
+  if host:
+    command += f" -l {host}"
+  if tag:
+    command += f" --tags {tag}_deploy"
 
-def construct_command(tag = None):
-  command = f"ANSIBLE_CONFIG=ansible.cfg /usr/bin/ansible-playbook main.yml --vault-password-file ~/.vault_pass.txt --tags {tag}_deploy"
   return command
 
-def deploy(tag = None):
-  if tag:
-    command = construct_command(tag)
+def deploy(tag = None, host = None):
+  command = construct_command(tag, host)
   
+  if tag:
     print(f"Deploying {tag}...\n")
+  else:
+    print(f"Deploying {host}...\n")
   res = subprocess.run(command, shell=True)
 
   return res.returncode == 0
@@ -23,6 +31,7 @@ def deploy(tag = None):
 def main():
   tasks_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "../tasks")
   diff = git_diff()
+  host_vars_changed_for = []
   vpn_containers = [
     "tasks/qbittorrent.yml",
     "tasks/jackett.yml"
@@ -35,12 +44,19 @@ def main():
       if container not in diff:
         diff.append(container)
 
+  # when variables update for a host, recreate containers
+  for file in diff:
+    if "host_vars" in file:
+      hostname = file.split("/")[1].split(".")[0]
+      print(f"Secret file for '{hostname}' changed, will recreate containers on host after deployment")
+      host_vars_changed_for.append(hostname)
+
+  deployed = []
   failed = []
-  deployed = 0
   for file in diff:
     # separating these for now because roles will typically
     # have a bunch of other things tied to them
-    if "roles/" not in file:
+    if "roles/" not in file and "host_vars/" not in file:
       task_name = file.split("/")[1].split(".")[0]
       task_file_path = os.path.join(tasks_path, file.split("/")[1])
 
@@ -54,32 +70,43 @@ def main():
 
           print(f"Cleaned up container {task_name}")
 
+    if "host_vars" not in file:
       # deploy the task, regardless of its status
       if "roles/" not in file:
-      task = deploy(task_name)
+        task = deploy(tag=task_name)
       else:
         role_name = file.split("/")[1]
-      task = deploy(role_name)
+        task = deploy(tag=role_name)
 
       if not task:
         failed.append(task_name)
       else:
-      deployed += 1
+        deployed.append(task_name)
 
-  if len(failed) <= 0 and deployed > 0:
+  if len(host_vars_changed_for) > 0:
+    for host in host_vars_changed_for:
+      print(f"Redeploying containers on {host} due to host vars update")
+      task = deploy(host=host)
+      if task:
+        deployed.append(host)
+      else:
+        failed.append(host)
+
+
+  if len(failed) <= 0 and len(deployed) > 0:
     print("\n---------------------")
     print(" Deployment succeeded!")
-    print(f" All tasks: {", ".join(diff)}")
+    print(f" All tasks: {", ".join(deployed)}")
     print("---------------------\n")
     sys.exit(0)
   elif len(failed) > 0:
     print("\n---------------------")
     print(" Deployment failed!")
     print(f" Failed tasks: {", ".join(failed)}")
-    print(f" All tasks: {", ".join(diff)}")
+    print(f" All tasks: {", ".join(deployed)}")
     print("---------------------\n")
     sys.exit(1)
-  elif deployed <= 0:
+  elif len(deployed) <= 0:
     print("Successfully executed, no tasks required execution")
     sys.exit(0)