Atmos v.1

.circleci/config.yml

@@ -0,0 +1,13 @@
+version: 2.1
+orbs:
+  aws-ecr: circleci/aws-ecr@1.0.0
+workflows:
+  build_and_push_image:
+    jobs:
+      - aws-ecr/build_and_push_image:
+          account-url: AWS_ECR_ACCOUNT_URL
+          aws-access-key-id: AWS_ACCESS_KEY_ID
+          aws-secret-access-key: AWS_SECRET_ACCESS_KEY
+          create-repo: false
+          repo: tf-builder
+          region: AWS_REGION

Dockerfile

@@ -7,3 +7,4 @@ RUN mv terraform /usr/bin/
 
 COPY shared-creds /root/.aws/credentials
 COPY atmos.py /usr/bin/atmos
+COPY atmos.config /root/.config/atmos.config

atmos.config

@@ -0,0 +1 @@
+dev,preprod

atmos.py

@@ -1,33 +1,52 @@
 #!/usr/bin/env python3
 
-import argparse
+import argparse, subprocess, shlex, sys, os
-import subprocess
-import sys
 
 def main(argv):
     parser = argparse.ArgumentParser(description='Control Terraform Workspaces.')
-    parser.add_argument("command", help="Send commands to terraform", default=False)
+    g = parser.add_mutually_exclusive_group()
-    parser.add_argument("-auto", help="Flag to skip waiting for user input", action="store_true")
+    g.add_argument("command", help="Send commands to terraform with workspace variable context", nargs='?', default=False)
-    args = parser.parse_args()
+    g.add_argument("-configure", help="Setup atmos parameters", nargs='?', default=False)
-    determine_actions(args)
+    args, params = parser.parse_known_args()
+    if args.command:
+        determine_actions(args, params)
+    if args.configure == None:
+        configure_atmos()
 
-def determine_actions(args):
+def determine_actions(args, params):
-    if args.auto:
+    env_actions = ["plan", "apply", "destroy"] # Commands that require env context
-        args.command = args.command + " -auto-approve"
+    cmd = 'terraform {args}'.format(args=args.command)
-    valid_actions = ["plan", "apply", "destroy"]
+
-    if args.command in valid_actions:
+    for param in params: # Pass terraform params directly through
-        print('Terraform {args} using env vars in {env}'.format(args=args.command, env=get_env()))
+        cmd = cmd + ' ' + param
-        print(subprocess.getoutput('terraform {args} -var-file=vars/{env}.tfvars'.format(args=args.command, env=get_env())))
+
-    else:
+    if args.command in env_actions: # Append with env context
-        print(subprocess.getoutput('terraform {args}'.format(args=args.command)))
+        cmd = cmd + ' -var-file=vars/{env}.tfvars'.format(env=get_env())
+
+    print('Terraform {args} using env vars in {env}'.format(args=args.command, env=get_env()))
+    with subprocess.Popen(shlex.split(cmd)) as proc:
+        exit # Start process but kill py program
+
+def get_valid_envs():
+    try:
+        return open(os.path.expanduser('~/.config/atmos.config'), 'r').read().split(",")
+    except FileNotFoundError:
+        return False
 
 def get_env():
-    valid_envs = ["dev","preprod","emea","apac"]
     tf_env = subprocess.getoutput('cat .terraform/environment')
-    if str(tf_env) in valid_envs:
+    if str(tf_env) in get_valid_envs():
         return(tf_env)
     else:
         return("qa")
 
+def configure_atmos():
+    current_valid_envs = get_valid_envs()
+    if current_valid_envs:
+        print("Current special environments: {envs}".format(envs=current_valid_envs))
+    valid_envs = input("Enter special environments, e.g dev,preprod,prod: ")
+    with open(os.path.expanduser('~/.config/atmos.config'),"w+") as f:
+        f.write(valid_envs)
+
 if __name__ == "__main__":
     main(sys.argv)

shared-creds

@@ -1,4 +1,3 @@
 [default]
-AWS_SOMETHING
 
 [ldm-preprod]