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# vim: expandtab:tabstop=4:shiftwidth=4
import subprocess
import sys
import os
import json
import re
class AnsibleUtil(object):
def __init__(self):
self.file_path = os.path.join(os.path.dirname(os.path.realpath(__file__)))
self.multi_ec2_path = os.path.realpath(os.path.join(self.file_path, '..','inventory','multi_ec2.py'))
def get_inventory(self,args=[]):
cmd = [self.multi_ec2_path]
if args:
cmd.extend(args)
env = os.environ
p = subprocess.Popen(cmd, stderr=subprocess.PIPE,
stdout=subprocess.PIPE, env=env)
out,err = p.communicate()
if p.returncode != 0:
raise RuntimeError(err)
return json.loads(out.strip())
def get_environments(self):
pattern = re.compile(r'^tag_environment_(.*)')
envs = []
inv = self.get_inventory()
for key in inv.keys():
m = pattern.match(key)
if m:
envs.append(m.group(1))
return envs
def get_security_groups(self):
pattern = re.compile(r'^security_group_(.*)')
groups = []
inv = self.get_inventory()
for key in inv.keys():
m = pattern.match(key)
if m:
groups.append(m.group(1))
return groups
def build_host_dict(self, args=[]):
inv = self.get_inventory(args)
inst_by_env = {}
for dns, host in inv['_meta']['hostvars'].items():
if host['ec2_tag_environment'] not in inst_by_env:
inst_by_env[host['ec2_tag_environment']] = {}
host_id = "%s:%s" % (host['ec2_tag_Name'],host['ec2_id'])
inst_by_env[host['ec2_tag_environment']][host_id] = host
return inst_by_env
def get_hostnames(self, args=[]):
inv = self.get_inventory(args)
import collections
hostnames = collections.defaultdict(list)
for dns, host in inv['_meta']['hostvars'].items():
hostnames['ec2_tag_Name'].append(host['ec2_id'])
return hostnames
def get_host_ids(self, args=[]):
inv = self.get_inventory(args)
ids = {}
for dns, host in inv['_meta']['hostvars'].items():
ids['ec2_id'] = host
return ids
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