gm3dmo · September 21, 2019 09:36 · Sep 21, 2019
diff --git a/consul-env-setup.py b/consul-env-setup.py
@@ -0,0 +1,76 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+from __future__ import print_function
+"""
+Emit Consul environment variables so the can be eval'led
+
+eval `python envsetup.py`
+
+/consul/config/server_details
+
+Purpose
+=======
+Allow easy setup of the appropriate consul environment variables when you are in a hurry to run the following:
+
+$ consul members
+$ consul operator raft list-peers
+
+These are the commands that Hashicorp support will ask you to run when troubleshooting an incident.
+"""
+
+__author__ = "David Morris"
+__version__ = "0.1.0"
+__license__ = "MIT"
+
+
+import os
+import sys
+import json
+
+
+def get_master_token(consul_dir, consul_config='consul-config.json'):
+   """consul-config.json file contains a value:
+{
+  "acl" : {
+    "enabled": true,
+    "default_policy": "deny",
+    "down_policy": "extend-cache",
+    "policy_ttl": "5m",
+    "token_ttl": "8h",
+    "enable_token_replication": true,
+    "tokens": {
+      "master": "99a9b999-099d-9969-9ea9-99e49ea9db9e",
+      "agent_master" : "999d999-ea9c-9c99-9e9f-a99eb999be99"
+    }
+
+"""
+   token = False
+   f = os.path.join(consul_dir, 'config', consul_config)
+   if os.path.exists(f):
+      with open(f) as json_file:
+          config = json.load(json_file)
+          token = config["acl"]["tokens"]["master"]
+   return token
+
+
+def main():
+    consul_dir = '/consul'
+    sd = 'server_details'
+    f = os.path.join(consul_dir, sd)
+    vars_to_set = []
+    if os.path.exists(f):
+        with open(f) as consul_server_details:
+            for line in consul_server_details:
+                vars_to_set.append("export {0}".format(line))
+        token = get_master_token(consul_dir)
+        print("export CONSUL_HTTP_TOKEN={0}".format(token))
+        print(''.join(vars_to_set))
+
+    else:
+        print("no file: {0}".format(f))
+        sys.exit()
+
+
+if __name__ == "__main__":
+    """ This is executed when run from the command line """
+    main()
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