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@ -46,7 +46,7 @@ description:
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rax_name
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rax_created
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rax_tenant_id
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rax__loaded
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rax_loaded
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where some item can have nested structure.
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- credentials are set in a credentials file
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@ -57,28 +57,38 @@ options:
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- File to find the Rackspace Public Cloud credentials in
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required: true
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default: null
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region_name:
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region:
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description:
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- Region name to use in request
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required: false
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default: DFW
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author: Jesse Keating
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- An optional value to narrow inventory scope, i.e. DFW, ORD, IAD, LON
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required: false
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default: null
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authors:
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- Jesse Keating <jesse.keating@rackspace.com>
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- Paul Durivage <paul.durivage@rackspace.com>
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notes:
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- Two environment variables need to be set, RAX_CREDS and RAX_REGION.
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- RAX_CREDS points to a credentials file appropriate for pyrax
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- RAX_REGION defines a Rackspace Public Cloud region (DFW, ORD, LON, ...)
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- RAX_CREDS_FILE is an optional environment variable that points to a pyrax-compatible credentials file.
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- If RAX_CREDS_FILE is not supplied, rax.py will look for a credentials file at ~/.rackspace_cloud_credentials.
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- See https://github.com/rackspace/pyrax/blob/master/docs/getting_started.md#authenticating
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- RAX_REGION is an optional environment variable to narrow inventory search scope
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- RAX_REGION, if used, needs a value like ORD, DFW, SYD (a Rackspace datacenter) and optionally accepts a comma-separated list
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requirements: [ "pyrax" ]
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examples:
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- description: List server instances
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code: RAX_CREDS_FILE=~/.raxpub rax.py --list
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- description: List servers in ORD datacenter only
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code: RAX_CREDS_FILE=~/.raxpub RAX_REGION=ORD rax.py --list
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- description: List server instance properties
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code: RAX_CREDS_FILE=~/.raxpub RAX_REGION=ORD rax.py --host <HOST_IP>
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- description: List servers in ORD and DFW datacenters
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code: RAX_CREDS_FILE=~/.raxpub RAX_REGION=ORD,DFW rax.py --list
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- description: Get server details for server named "server.example.com"
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code: RAX_CREDS_FILE=~/.raxpub rax.py --host server.example.com
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'''
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import sys
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import re
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import os
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import argparse
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import collections
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try:
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import json
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@ -91,69 +101,129 @@ except ImportError:
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print('pyrax required for this module')
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sys.exit(1)
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# Setup the parser
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parser = argparse.ArgumentParser(description='List active instances',
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epilog='List by itself will list all the active \
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instances. Listing a specific instance will show \
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all the details about the instance.')
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parser.add_argument('--list', action='store_true', default=True,
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help='List active servers')
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parser.add_argument('--host',
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help='List details about the specific host (IP address)')
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args = parser.parse_args()
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# setup the auth
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try:
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creds_file = os.environ['RAX_CREDS_FILE']
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region = os.environ['RAX_REGION']
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except KeyError, e:
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sys.stderr.write('Unable to load %s\n' % e.message)
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sys.exit(1)
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pyrax.set_setting('identity_type', 'rackspace')
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try:
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pyrax.set_setting("identity_type", "rackspace")
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pyrax.set_credential_file(os.path.expanduser(creds_file),
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region=region)
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except Exception, e:
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sys.stderr.write("%s: %s\n" % (e, e.message))
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sys.exit(1)
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# Execute the right stuff
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if not args.host:
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groups = {}
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# Cycle on servers
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for server in pyrax.cloudservers.list():
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# Define group (or set to empty string)
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try:
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group = server.metadata['group']
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except KeyError:
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group = 'undefined'
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# Create group if not exist and add the server
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groups.setdefault(group, []).append(server.accessIPv4)
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# Return server list
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print(json.dumps(groups))
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def host(regions, hostname):
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hostvars = {}
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for region in regions:
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# Connect to the region
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cs = pyrax.connect_to_cloudservers(region=region)
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for server in cs.servers.list():
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if server.name == hostname:
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keys = [key for key in vars(server) if key not in ('manager', '_info')]
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for key in keys:
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# Extract value
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value = getattr(server, key)
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# Generate sanitized key
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key = 'rax_' + (re.sub("[^A-Za-z0-9\-]", "_", key)
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.lower()
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.lstrip("_"))
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hostvars[key] = value
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# And finally, add an IP address
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hostvars['ansible_ssh_host'] = server.accessIPv4
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print(json.dumps(hostvars, sort_keys=True, indent=4))
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def _list(regions):
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groups = collections.defaultdict(list)
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hostvars = collections.defaultdict(dict)
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# Go through all the regions looking for servers
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for region in regions:
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# Connect to the region
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cs = pyrax.connect_to_cloudservers(region=region)
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for server in cs.servers.list():
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# Create a group on region
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groups[region].append(server.name)
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# Check if group metadata key in servers' metadata
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try:
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group = server.metadata['group']
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except KeyError:
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pass
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else:
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# Create group if not exist and add the server
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groups[group].append(server.name)
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# Add host metadata
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keys = [key for key in vars(server) if key not in ('manager', '_info')]
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for key in keys:
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# Extract value
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value = getattr(server, key)
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# Generate sanitized key
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key = 'rax_' + (re.sub("[^A-Za-z0-9\-]", "_", key)
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.lower()
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.lstrip('_'))
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hostvars[server.name][key] = value
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# And finally, add an IP address
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hostvars[server.name]['ansible_ssh_host'] = server.accessIPv4
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if hostvars:
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groups['_meta'] = {'hostvars': hostvars}
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print(json.dumps(groups, sort_keys=True, indent=4))
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def parse_args():
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parser = argparse.ArgumentParser(description='Ansible Rackspace Cloud '
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'inventory module')
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group = parser.add_mutually_exclusive_group(required=True)
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group.add_argument('--list', action='store_true',
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help='List active servers')
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group.add_argument('--host', help='List details about the specific host')
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return parser.parse_args()
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def setup():
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default_creds_file = os.path.expanduser('~/.rackspace_cloud_credentials')
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# Attempt to grab credentials from environment first
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try:
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creds_file = os.environ['RAX_CREDS_FILE']
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except KeyError, e:
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# But if that fails, use the default location of ~/.rackspace_cloud_credentials
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if os.path.isfile(default_creds_file):
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creds_file = default_creds_file
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else:
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sys.stderr.write('No value in environment variable %s and/or no '
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'credentials file at %s\n'
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% (e.message, default_creds_file))
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sys.exit(1)
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pyrax.set_setting('identity_type', 'rackspace')
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try:
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pyrax.set_credential_file(os.path.expanduser(creds_file))
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except Exception, e:
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sys.stderr.write("%s: %s\n" % (e, e.message))
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sys.exit(1)
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regions = []
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for region in os.getenv('RAX_REGION', 'all').split(','):
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region = region.strip().upper()
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if region == 'ALL':
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regions = pyrax.regions
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break
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elif region not in pyrax.regions:
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sys.stderr.write('Unsupported region %s' % region)
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sys.exit(1)
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elif region not in regions:
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regions.append(region)
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return regions
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def main():
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args = parse_args()
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regions = setup()
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if args.list:
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_list(regions)
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elif args.host:
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host(regions, args.host)
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sys.exit(0)
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# Get the deets for the instance asked for
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results = {}
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# This should be only one, but loop anyway
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for server in pyrax.cloudservers.list():
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if server.accessIPv4 == args.host:
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for key in [key for key in vars(server) if
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key not in ('manager', '_info')]:
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# Extract value
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value = getattr(server, key)
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# Generate sanitized key
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key = 'rax_' + re.sub("[^A-Za-z0-9\-]", "_", key).lower()
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results[key] = value
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print(json.dumps(results))
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sys.exit(0)
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if __name__ == '__main__':
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main()
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Michael DeHaan
12 years ago