use a python script

scripts/deploy_containers.py

@@ -0,0 +1,58 @@
+import re
+import sys
+import subprocess
+
+bracket_regex = r'\[([^\]]*)\]'
+quote_regex = r'"([^"]*)"'
+
+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 res.stdout.strip().split("\n")
+
+def construct_ansible_command(server_name = None, tag = None):
+  command = "ANSIBLE_CONFIG=ansible.cfg /usr/bin/ansible-playbook main.yml --vault-password-file ~/.vault_pass.txt"
+
+  if server_name:
+    command += f" -l {server_name}"
+  if tag:
+    command += f" --tags {tag}"
+
+  return command
+
+def run_deployment(server_name = None, tag = None):
+  if tag:
+    print(f"Deploying task '{tag}'..")
+    command = construct_ansible_command(tag=tag)
+  elif server_name:
+    print(f"Deploying caddy on server '{server_name}'..")
+    command = construct_ansible_command(server_name, "caddy_server")
+
+  res = subprocess.run(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+  lines = res.stdout.decode(encoding='utf-8').split("\n")
+  for ind, line in enumerate(lines):
+    if "fatal:" in line:
+      host = re.findall(bracket_regex, line)[0]
+      task_failed = re.findall(bracket_regex, lines[ind - 1])[0]
+      reason_failed = re.findall(quote_regex, line)
+
+      print("\n---------------------")
+      print(" Deployment failed!")
+      print(f" Task: {task_failed}")
+      print(f" Host: {host}")
+      print(f" Reason: {reason_failed[2].split(":")[1].strip()}")
+      print("---------------------\n")
+
+def main():
+  diff = git_diff()
+
+  for file in diff:
+    if "host_vars" in file:
+        server_name = file.split("/")[1].split(".")[0]
+        run_deployment(server_name=server_name)
+    if "tasks" in file:
+        task_name = file.split("/")[1].split(".")[0] + "_deploy"
+        run_deployment(tag=task_name)
+
+if __name__ == "__main__":
+  main()

scripts/deploy_containers.sh

@@ -1,19 +0,0 @@
-#!/bin/bash
-# all new/updated tasks in the diff
-new_tasks=($(git diff --name-only $1 $2 | grep '\.yml$'))
-echo $new_tasks
-echo $1 $2
-
-if [ ! -z "$new_tasks" ]; then
-  for task in "${new_tasks[@]}"; do
-    ansible_tag=$(echo "$task" | awk -F/ '{print $2}')
-    if [[ "$ansible_tag" != "all.yml" && "$ansible_tag" != "all.template.yml" && "$ansible_tag" != "main.yml" ]] ; then
-      tag=${ansible_tag%.*}_deploy
-      if [[ "$tag" != "_deploy" ]] ; then 
-        ansible-playbook main.yml --tags "$tag" --vault-password-file ~/.vault_pass.txt
-      fi
-    elif [[ "$task" == "host_vars/jade.yml" || "$task" == "host_vars/jackson.yml" ]] ; then
-      ansible-playbook main.yml --tags "caddy_deploy" --vault-password-file ~/.vault_pass.txt
-    fi
-  done
-fi