allow inventory script to select IP domain via envvar

diff --git a/inventory/asg-inventory.py b/inventory/asg-inventory.py
index 1eba92e66e0b93813d267964bd5362dec2694193..34c6e1c6f7ce8df1e44e85ca6416712fdd99ed6d 100755 (executable)
--- a/inventory/asg-inventory.py
+++ b/inventory/asg-inventory.py
@@ -9,13 +9,19 @@ import argparse
 import boto3
 import json
 import sys
+import os
 from multiprocessing.dummy import Pool as ThreadPool
 from functools import partial
 
 
-DEFAULT_REGIONS = ['us-east-1', 'us-west-2']
+#DEFAULT_REGIONS = ['us-east-1', 'us-west-2']
+DEFAULT_REGIONS = ['us-east-2']
 HOSTVARS = {}
 
+try:
+    PUBLIC = len(os.environ['INVENTORY_PUBLIC']) > 0
+except:
+    PUBLIC = False
 
 def allASGInstances(asgc):
     'Return a tuple of a dict of each ASG name listing the instance IDs within it, and a list of all instance IDs.'
@@ -84,7 +90,7 @@ def mergeDictOfLists(a, b):
 
 
 parser = argparse.ArgumentParser(description='dynamic Ansible inventory from AWS Autoscaling Groups')
-parser.add_argument('--public', action='store_true', help='inventory public IPs (default: private IPs)')
+parser.add_argument('--public', action='store_true' if not PUBLIC else 'store_false', help='inventory public IPs (default: private IPs)')
 parser.add_argument('--profile', metavar='PROFILE', dest='profile_name', help='AWS Profile (default: current IAM Role)')
 parser.add_argument('--regions', metavar='REGION', nargs='+', default=DEFAULT_REGIONS, help='AWS Regions (default: %(default)s)')
 parser.add_argument('--list', action='store_true')