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authorThomas Wiest <twiest@redhat.com>2015-04-10 16:30:32 -0400
committerThomas Wiest <twiest@redhat.com>2015-04-10 16:30:32 -0400
commit6b74f852258b51c1558aff3967288a57ca4efb86 (patch)
tree9764fa067c93e7e9911c12d794c7668196373b70 /bin/ohi
parentdd0f997a77fa88291bbd0ec3d59ba0ad369d9fec (diff)
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added ohi
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diff --git a/bin/ohi b/bin/ohi
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+#!/usr/bin/env python
+# vim: expandtab:tabstop=4:shiftwidth=4
+
+import argparse
+import traceback
+import sys
+import os
+import re
+import tempfile
+import time
+import subprocess
+import ConfigParser
+
+from openshift_ansible import awsutil
+
+CONFIG_MAIN_SECTION = 'main'
+CONFIG_HOST_TYPE_ALIAS_SECTION = 'host_type_aliases'
+CONFIG_INVENTORY_OPTION = 'inventory'
+
+class ArgumentMismatchError(ValueError): pass
+
+class Ohi(object):
+ def __init__(self):
+ self.inventory = None
+ self.host_type_aliases = {}
+ self.file_path = os.path.join(os.path.dirname(os.path.realpath(__file__)))
+
+ # Default the config path to /etc
+ self.config_path = os.path.join(os.path.sep, 'etc', \
+ 'openshift_ansible', \
+ 'openshift_ansible.conf')
+
+ self.parse_cli_args()
+ self.parse_config_file()
+
+ self.aws = awsutil.AwsUtil(self.inventory, self.host_type_aliases)
+
+ def run(self):
+ if self.args.list_host_types:
+ self.aws.print_host_types()
+ return 0
+
+ if self.args.env and \
+ self.args.host_type:
+ hosts = self.aws.get_host_list(self.args.host_type, self.args.env)
+ for host in hosts:
+ print host
+ return 0
+
+ # If it makes it here, we weren't able to determine what they wanted to do
+ raise ArgumentMismatchError("Invalid combination of arguments")
+
+ def parse_config_file(self):
+ if os.path.isfile(self.config_path):
+ config = ConfigParser.ConfigParser()
+ config.read(self.config_path)
+
+ if config.has_section(CONFIG_MAIN_SECTION) and \
+ config.has_option(CONFIG_MAIN_SECTION, CONFIG_INVENTORY_OPTION):
+ self.inventory = config.get(CONFIG_MAIN_SECTION, CONFIG_INVENTORY_OPTION)
+
+ self.host_type_aliases = {}
+ if config.has_section(CONFIG_HOST_TYPE_ALIAS_SECTION):
+ for alias in config.options(CONFIG_HOST_TYPE_ALIAS_SECTION):
+ value = config.get(CONFIG_HOST_TYPE_ALIAS_SECTION, alias).split(',')
+ self.host_type_aliases[alias] = value
+
+ def parse_cli_args(self):
+ """Setup the command line parser with the options we want
+ """
+
+ parser = argparse.ArgumentParser(description='Openshift Host Inventory')
+
+ parser.add_argument('--list-host-types', default=False, action='store_true',
+ help='List all of the host types')
+
+ parser.add_argument('-e', '--env', action="store",
+ help="Which environment to use")
+
+ parser.add_argument('-t', '--host-type', action="store",
+ help="Which host type to use")
+
+ self.args = parser.parse_args()
+
+
+if __name__ == '__main__':
+ if len(sys.argv) == 1:
+ print "\nError: No options given. Use --help to see the available options\n"
+ sys.exit(0)
+
+ try:
+ ohi = Ohi()
+ exitcode = ohi.run()
+ sys.exit(exitcode)
+ except ArgumentMismatchError as e:
+ print "\nError: %s\n" % e.message