diff options
Diffstat (limited to 'inventory')
| -rw-r--r-- | inventory/multi_ec2.yaml.example | 32 | ||||
| -rwxr-xr-x | inventory/multi_inventory.py (renamed from inventory/multi_ec2.py) | 144 | ||||
| -rw-r--r-- | inventory/multi_inventory.yaml.example | 51 |
3 files changed, 143 insertions, 84 deletions
diff --git a/inventory/multi_ec2.yaml.example b/inventory/multi_ec2.yaml.example deleted file mode 100644 index bbd81ad20..000000000 --- a/inventory/multi_ec2.yaml.example +++ /dev/null @@ -1,32 +0,0 @@ -# multi ec2 inventory configs -# -cache_location: ~/.ansible/tmp/multi_ec2_inventory.cache - -accounts: - - name: aws1 - provider: aws/hosts/ec2.py - provider_config: - ec2: - regions: all - regions_exclude: us-gov-west-1,cn-north-1 - destination_variable: public_dns_name - route53: False - cache_path: ~/.ansible/tmp - cache_max_age: 300 - vpc_destination_variable: ip_address - env_vars: - AWS_ACCESS_KEY_ID: XXXXXXXXXXXXXXXXXXXX - AWS_SECRET_ACCESS_KEY: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX - all_group: ec2 - extra_vars: - cloud: aws - account: aws1 - -- name: aws2 - provider: aws/hosts/ec2.py - env_vars: - AWS_ACCESS_KEY_ID: XXXXXXXXXXXXXXXXXXXX - AWS_SECRET_ACCESS_KEY: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX - EC2_INI_PATH: /etc/ansible/ec2.ini - -cache_max_age: 60 diff --git a/inventory/multi_ec2.py b/inventory/multi_inventory.py index 98dde3f3c..354a8c10c 100755 --- a/inventory/multi_ec2.py +++ b/inventory/multi_inventory.py @@ -1,6 +1,6 @@ #!/usr/bin/env python2 ''' - Fetch and combine multiple ec2 account settings into a single + Fetch and combine multiple inventory account settings into a single json hash. ''' # vim: expandtab:tabstop=4:shiftwidth=4 @@ -15,13 +15,19 @@ import errno import fcntl import tempfile import copy +from string import Template +import shutil -CONFIG_FILE_NAME = 'multi_ec2.yaml' -DEFAULT_CACHE_PATH = os.path.expanduser('~/.ansible/tmp/multi_ec2_inventory.cache') +CONFIG_FILE_NAME = 'multi_inventory.yaml' +DEFAULT_CACHE_PATH = os.path.expanduser('~/.ansible/tmp/multi_inventory.cache') -class MultiEc2(object): +class MultiInventoryException(Exception): + '''Exceptions for MultiInventory class''' + pass + +class MultiInventory(object): ''' - MultiEc2 class: + MultiInventory class: Opens a yaml config file and reads aws credentials. Stores a json hash of resources in result. ''' @@ -35,7 +41,7 @@ class MultiEc2(object): self.cache_path = DEFAULT_CACHE_PATH self.config = None - self.all_ec2_results = {} + self.all_inventory_results = {} self.result = {} self.file_path = os.path.join(os.path.dirname(os.path.realpath(__file__))) @@ -56,7 +62,7 @@ class MultiEc2(object): 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 + else the credentials are loaded from multi_inventory.yaml or from the env and we attempt to get the inventory from the provider specified. ''' # load yaml @@ -111,6 +117,10 @@ class MultiEc2(object): with open(conf_file) as conf: config = yaml.safe_load(conf) + # Provide a check for unique account names + if len(set([acc['name'] for acc in config['accounts']])) != len(config['accounts']): + raise MultiInventoryException('Duplicate account names in config file') + return config def get_provider_tags(self, provider, env=None): @@ -136,23 +146,25 @@ class MultiEc2(object): else: cmds.append('--list') - cmds.append('--refresh-cache') + if 'aws' in provider.lower(): + cmds.append('--refresh-cache') return subprocess.Popen(cmds, stderr=subprocess.PIPE, \ stdout=subprocess.PIPE, env=env) @staticmethod - def generate_config(config_data): - """Generate the ec2.ini file in as a secure temp file. - Once generated, pass it to the ec2.py as an environment variable. + def generate_config(provider_files): + """Generate the provider_files in a temporary directory. """ - fildes, tmp_file_path = tempfile.mkstemp(prefix='multi_ec2.ini.') - for section, values in config_data.items(): - os.write(fildes, "[%s]\n" % section) - for option, value in values.items(): - os.write(fildes, "%s = %s\n" % (option, value)) - os.close(fildes) - return tmp_file_path + prefix = 'multi_inventory.' + tmp_dir_path = tempfile.mkdtemp(prefix=prefix) + for provider_file in provider_files: + filedes = open(os.path.join(tmp_dir_path, provider_file['name']), 'w+') + content = Template(provider_file['contents']).substitute(tmpdir=tmp_dir_path) + filedes.write(content) + filedes.close() + + return tmp_dir_path def run_provider(self): '''Setup the provider call with proper variables @@ -160,13 +172,21 @@ class MultiEc2(object): ''' try: all_results = [] - tmp_file_paths = [] + tmp_dir_paths = [] processes = {} for account in self.config['accounts']: - env = account['env_vars'] - if account.has_key('provider_config'): - tmp_file_paths.append(MultiEc2.generate_config(account['provider_config'])) - env['EC2_INI_PATH'] = tmp_file_paths[-1] + tmp_dir = None + if account.has_key('provider_files'): + tmp_dir = MultiInventory.generate_config(account['provider_files']) + tmp_dir_paths.append(tmp_dir) + + # Update env vars after creating provider_config_files + # so that we can grab the tmp_dir if it exists + env = account.get('env_vars', {}) + if env and tmp_dir: + for key, value in env.items(): + env[key] = Template(value).substitute(tmpdir=tmp_dir) + name = account['name'] provider = account['provider'] processes[name] = self.get_provider_tags(provider, env) @@ -182,9 +202,9 @@ class MultiEc2(object): }) finally: - # Clean up the mkstemp file - for tmp_file in tmp_file_paths: - os.unlink(tmp_file) + # Clean up the mkdtemp dirs + for tmp_dir in tmp_dir_paths: + shutil.rmtree(tmp_dir) return all_results @@ -223,7 +243,7 @@ class MultiEc2(object): ] raise RuntimeError('\n'.join(err_msg).format(**result)) else: - self.all_ec2_results[result['name']] = json.loads(result['out']) + self.all_inventory_results[result['name']] = json.loads(result['out']) # Check if user wants extra vars in yaml by # having hostvars and all_group defined @@ -231,29 +251,52 @@ class MultiEc2(object): self.apply_account_config(acc_config) # Build results by merging all dictionaries - values = self.all_ec2_results.values() + values = self.all_inventory_results.values() values.insert(0, self.result) for result in values: - MultiEc2.merge_destructively(self.result, result) + MultiInventory.merge_destructively(self.result, result) + + def add_entry(self, data, keys, item): + ''' Add an item to a dictionary with key notation a.b.c + d = {'a': {'b': 'c'}}} + keys = a.b + item = c + ''' + if "." in keys: + key, rest = keys.split(".", 1) + if key not in data: + data[key] = {} + self.add_entry(data[key], rest, item) + else: + data[keys] = item + + def get_entry(self, data, keys): + ''' Get an item from a dictionary with key notation a.b.c + d = {'a': {'b': 'c'}}} + keys = a.b + return c + ''' + if keys and "." in keys: + key, rest = keys.split(".", 1) + return self.get_entry(data[key], rest) + else: + return data.get(keys, None) def apply_account_config(self, acc_config): ''' Apply account config settings ''' - results = self.all_ec2_results[acc_config['name']] + results = self.all_inventory_results[acc_config['name']] + results['all_hosts'] = results['_meta']['hostvars'].keys() # Update each hostvar with the newly desired key: value from extra_* - for _extra in ['extra_groups', 'extra_vars']: + for _extra in ['extra_vars', 'extra_groups']: for new_var, value in acc_config.get(_extra, {}).items(): - # Verify the account results look sane - # by checking for these keys ('_meta' and 'hostvars' exist) - if results.has_key('_meta') and results['_meta'].has_key('hostvars'): - for data in results['_meta']['hostvars'].values(): - data[str(new_var)] = str(value) + for data in results['_meta']['hostvars'].values(): + self.add_entry(data, new_var, value) # Add this group - if _extra == 'extra_groups' and results.has_key(acc_config['all_group']): - results["%s_%s" % (new_var, value)] = \ - copy.copy(results[acc_config['all_group']]) + if _extra == 'extra_groups': + results["%s_%s" % (new_var, value)] = copy.copy(results['all_hosts']) # Clone groups goes here for to_name, from_name in acc_config.get('clone_groups', {}).items(): @@ -262,14 +305,11 @@ class MultiEc2(object): # Clone vars goes here for to_name, from_name in acc_config.get('clone_vars', {}).items(): - # Verify the account results look sane - # by checking for these keys ('_meta' and 'hostvars' exist) - if results.has_key('_meta') and results['_meta'].has_key('hostvars'): - for data in results['_meta']['hostvars'].values(): - data[str(to_name)] = data.get(str(from_name), 'nil') + for data in results['_meta']['hostvars'].values(): + self.add_entry(data, to_name, self.get_entry(data, from_name)) - # store the results back into all_ec2_results - self.all_ec2_results[acc_config['name']] = results + # store the results back into all_inventory_results + self.all_inventory_results[acc_config['name']] = results @staticmethod def merge_destructively(input_a, input_b): @@ -277,7 +317,7 @@ class MultiEc2(object): for key in input_b: if key in input_a: if isinstance(input_a[key], dict) and isinstance(input_b[key], dict): - MultiEc2.merge_destructively(input_a[key], input_b[key]) + MultiInventory.merge_destructively(input_a[key], input_b[key]) elif input_a[key] == input_b[key]: pass # same leaf value # both lists so add each element in b to a if it does ! exist @@ -333,7 +373,7 @@ class MultiEc2(object): if exc.errno != errno.EEXIST or not os.path.isdir(path): raise - json_data = MultiEc2.json_format_dict(self.result, True) + json_data = MultiInventory.json_format_dict(self.result, True) with open(self.cache_path, 'w') as cache: try: fcntl.flock(cache, fcntl.LOCK_EX) @@ -369,7 +409,7 @@ class MultiEc2(object): if __name__ == "__main__": - MEC2 = MultiEc2() - MEC2.parse_cli_args() - MEC2.run() - print MEC2.result_str() + MI2 = MultiInventory() + MI2.parse_cli_args() + MI2.run() + print MI2.result_str() diff --git a/inventory/multi_inventory.yaml.example b/inventory/multi_inventory.yaml.example new file mode 100644 index 000000000..0f0788d18 --- /dev/null +++ b/inventory/multi_inventory.yaml.example @@ -0,0 +1,51 @@ +# multi ec2 inventory configs +# +cache_location: ~/.ansible/tmp/multi_inventory.cache + +accounts: + - name: aws1 + provider: aws/ec2.py + provider_files: + - name: ec2.ini + content: |- + [ec2] + regions = all + regions_exclude = us-gov-west-1,cn-north-1 + destination_variable = public_dns_name + route53 = False + cache_path = ~/.ansible/tmp + cache_max_age = 300 + vpc_destination_variable = ip_address + env_vars: + AWS_ACCESS_KEY_ID: XXXXXXXXXXXXXXXXXXXX + AWS_SECRET_ACCESS_KEY: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX + EC2_INI_PATH: ${tmpdir}/ec2.ini # we replace ${tmpdir} with the temporary directory that we've created for the provider. + extra_vars: + cloud: aws + account: aws1 + +- name: mygce + extra_vars: + cloud: gce + account: gce1 + env_vars: + GCE_INI_PATH: ${tmpdir}/gce.ini # we replace ${tmpdir} with the temporary directory that we've created for the provider. + provider: gce/gce.py + provider_files: + - name: priv_key.pem + contents: |- + -----BEGIN PRIVATE KEY----- + yourprivatekeydatahere + -----END PRIVATE KEY----- + - name: gce.ini + contents: |- + [gce] + gce_service_account_email_address = <uuid>@developer.gserviceaccount.com + gce_service_account_pem_file_path = ${tmpdir}/priv_key.pem # we replace ${tmpdir} with the temporary directory that we've created for the provider. + gce_project_id = gce-project + zone = us-central1-a + network = default + gce_machine_type = n1-standard-2 + gce_machine_image = rhel7 + +cache_max_age: 600 |