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authorKenny Woodson <kwoodson@redhat.com>2015-05-14 12:34:10 -0400
committerKenny Woodson <kwoodson@redhat.com>2015-05-14 12:34:10 -0400
commit5204ba97de0bb3872defa391f9991f52622b4b0a (patch)
tree6c2d53abd668273402543f111bef872fe2824614 /inventory/multi_ec2.py
parent87e53ef9917556a331a81d8a01195c4ac8679bcd (diff)
parent2657d56660495476d4e64bf4b1a47ebf277770ee (diff)
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Merge pull request #225 from kwoodson/multi_ec2_lib
multi_ec2 can be called as a library
Diffstat (limited to 'inventory/multi_ec2.py')
-rwxr-xr-xinventory/multi_ec2.py39
1 files changed, 27 insertions, 12 deletions
diff --git a/inventory/multi_ec2.py b/inventory/multi_ec2.py
index 11247f942..f8196aefd 100755
--- a/inventory/multi_ec2.py
+++ b/inventory/multi_ec2.py
@@ -26,8 +26,14 @@ class MultiEc2(object):
Stores a json hash of resources in result.
'''
- def __init__(self):
- self.args = None
+ def __init__(self, args=None):
+ # Allow args to be passed when called as a library
+ if not args:
+ self.args = {}
+ else:
+ self.args = args
+
+ self.cache_path = DEFAULT_CACHE_PATH
self.config = None
self.all_ec2_results = {}
self.result = {}
@@ -44,8 +50,15 @@ class MultiEc2(object):
else:
self.config_file = None # expect env vars
- self.parse_cli_args()
+ def run(self):
+ '''This method checks to see if the local
+ cache is valid for the inventory.
+
+ if the cache is valid; return cache
+ else the credentials are loaded from multi_ec2.yaml or from the env
+ and we attempt to get the inventory from the provider specified.
+ '''
# load yaml
if self.config_file and os.path.isfile(self.config_file):
self.config = self.load_yaml_config()
@@ -70,15 +83,14 @@ class MultiEc2(object):
raise RuntimeError("Could not find valid ec2 credentials in the environment.")
# Set the default cache path but if its defined we'll assign it.
- self.cache_path = DEFAULT_CACHE_PATH
if self.config.has_key('cache_location'):
self.cache_path = self.config['cache_location']
- if self.args.refresh_cache:
+ if self.args.get('refresh_cache', None):
self.get_inventory()
self.write_to_cache()
# if its a host query, fetch and do not cache
- elif self.args.host:
+ elif self.args.get('host', None):
self.get_inventory()
elif not self.is_cache_valid():
# go fetch the inventories and cache them if cache is expired
@@ -119,9 +131,9 @@ class MultiEc2(object):
"and that it is executable. (%s)" % provider)
cmds = [provider]
- if self.args.host:
+ if self.args.get('host', None):
cmds.append("--host")
- cmds.append(self.args.host)
+ cmds.append(self.args.get('host', None))
else:
cmds.append('--list')
@@ -191,7 +203,7 @@ class MultiEc2(object):
# process --host results
# For any 0 result, return it
- if self.args.host:
+ if self.args.get('host', None):
count = 0
for results in provider_results:
if results['code'] == 0 and results['err'] == '' and results['out'] != '{}':
@@ -199,7 +211,7 @@ class MultiEc2(object):
count += 1
if count > 1:
raise RuntimeError("Found > 1 results for --host %s. \
- This is an invalid state." % self.args.host)
+ This is an invalid state." % self.args.get('host', None))
# process --list results
else:
# For any non-zero, raise an error on it
@@ -290,7 +302,7 @@ class MultiEc2(object):
help='List instances (default: True)')
parser.add_argument('--host', action='store', default=False,
help='Get all the variables about a specific instance')
- self.args = parser.parse_args()
+ self.args = parser.parse_args().__dict__
def write_to_cache(self):
''' Writes data in JSON format to a file '''
@@ -340,4 +352,7 @@ class MultiEc2(object):
if __name__ == "__main__":
- print MultiEc2().result_str()
+ MEC2 = MultiEc2()
+ MEC2.parse_cli_args()
+ MEC2.run()
+ print MEC2.result_str()