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-rwxr-xr-xroles/openshift_facts/library/openshift_facts.py337
1 files changed, 211 insertions, 126 deletions
diff --git a/roles/openshift_facts/library/openshift_facts.py b/roles/openshift_facts/library/openshift_facts.py
index 1e0d5c605..bb40a9569 100755
--- a/roles/openshift_facts/library/openshift_facts.py
+++ b/roles/openshift_facts/library/openshift_facts.py
@@ -1,6 +1,15 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
# vim: expandtab:tabstop=4:shiftwidth=4
+# disable pylint checks
+# temporarily disabled until items can be addressed:
+# fixme - until all TODO comments have been addressed
+# permanently disabled unless someone wants to refactor the object model:
+ # no-self-use
+ # too-many-locals
+ # too-many-branches
+ # pylint:disable=fixme, no-self-use
+ # pylint:disable=too-many-locals, too-many-branches
DOCUMENTATION = '''
---
@@ -24,15 +33,18 @@ class OpenShiftFactsFileWriteError(Exception):
class OpenShiftFactsMetadataUnavailableError(Exception):
pass
-class OpenShiftFacts():
+class OpenShiftFacts(object):
known_roles = ['common', 'master', 'node', 'master_sdn', 'node_sdn', 'dns']
def __init__(self, role, filename, local_facts):
self.changed = False
self.filename = filename
if role not in self.known_roles:
- raise OpenShiftFactsUnsupportedRoleError("Role %s is not supported by this module" % role)
+ raise OpenShiftFactsUnsupportedRoleError(
+ "Role %s is not supported by this module" % role
+ )
self.role = role
+ self.system_facts = ansible_facts(module)
self.facts = self.generate_facts(local_facts)
def generate_facts(self, local_facts):
@@ -42,7 +54,6 @@ class OpenShiftFacts():
defaults = self.get_defaults(roles)
provider_facts = self.init_provider_facts()
facts = self.apply_provider_facts(defaults, provider_facts, roles)
-
facts = self.merge_facts(facts, local_facts)
facts['current_config'] = self.current_config(facts)
self.set_url_facts_if_unset(facts)
@@ -53,35 +64,38 @@ class OpenShiftFacts():
if 'master' in facts:
for (url_var, use_ssl, port, default) in [
('api_url',
- facts['master']['api_use_ssl'],
- facts['master']['api_port'],
- facts['common']['hostname']),
+ facts['master']['api_use_ssl'],
+ facts['master']['api_port'],
+ facts['common']['hostname']),
('public_api_url',
- facts['master']['api_use_ssl'],
- facts['master']['api_port'],
- facts['common']['public_hostname']),
+ facts['master']['api_use_ssl'],
+ facts['master']['api_port'],
+ facts['common']['public_hostname']),
('console_url',
- facts['master']['console_use_ssl'],
- facts['master']['console_port'],
- facts['common']['hostname']),
+ facts['master']['console_use_ssl'],
+ facts['master']['console_port'],
+ facts['common']['hostname']),
('public_console_url' 'console_use_ssl',
- facts['master']['console_use_ssl'],
- facts['master']['console_port'],
- facts['common']['public_hostname'])]:
+ facts['master']['console_use_ssl'],
+ facts['master']['console_port'],
+ facts['common']['public_hostname'])]:
if url_var not in facts['master']:
scheme = 'https' if use_ssl else 'http'
netloc = default
- if (scheme == 'https' and port != '443') or (scheme == 'http' and port != '80'):
+ if ((scheme == 'https' and port != '443')
+ or (scheme == 'http' and port != '80')):
netloc = "%s:%s" % (netloc, port)
- facts['master'][url_var] = urlparse.urlunparse((scheme, netloc, '', '', '', ''))
+ facts['master'][url_var] = urlparse.urlunparse(
+ (scheme, netloc, '', '', '', '')
+ )
# Query current OpenShift config and return a dictionary containing
# settings that may be valuable for determining actions that need to be
# taken in the playbooks/roles
def current_config(self, facts):
- current_config=dict()
- roles = [ role for role in facts if role not in ['common','provider'] ]
+ current_config = dict()
+ roles = [role for role in facts if role not in ['common', 'provider']]
for role in roles:
if 'roles' in current_config:
current_config['roles'].append(role)
@@ -94,31 +108,40 @@ class OpenShiftFacts():
# Query kubeconfig settings
kubeconfig_dir = '/var/lib/openshift/openshift.local.certificates'
if role == 'node':
- kubeconfig_dir = os.path.join(kubeconfig_dir, "node-%s" % facts['common']['hostname'])
+ kubeconfig_dir = os.path.join(
+ kubeconfig_dir, "node-%s" % facts['common']['hostname']
+ )
kubeconfig_path = os.path.join(kubeconfig_dir, '.kubeconfig')
- if os.path.isfile('/usr/bin/openshift') and os.path.isfile(kubeconfig_path):
+ if (os.path.isfile('/usr/bin/openshift')
+ and os.path.isfile(kubeconfig_path)):
try:
- _, output, error = module.run_command(["/usr/bin/openshift", "ex",
- "config", "view", "-o",
- "json",
- "--kubeconfig=%s" % kubeconfig_path],
- check_rc=False)
+ _, output, _ = module.run_command(
+ ["/usr/bin/openshift", "ex", "config", "view", "-o",
+ "json", "--kubeconfig=%s" % kubeconfig_path],
+ check_rc=False
+ )
config = json.loads(output)
+ cad = 'certificate-authority-data'
try:
for cluster in config['clusters']:
- config['clusters'][cluster]['certificate-authority-data'] = 'masked'
+ config['clusters'][cluster][cad] = 'masked'
except KeyError:
pass
try:
for user in config['users']:
- config['users'][user]['client-certificate-data'] = 'masked'
+ config['users'][user][cad] = 'masked'
config['users'][user]['client-key-data'] = 'masked'
except KeyError:
pass
current_config['kubeconfig'] = config
+
+ # override pylint broad-except warning, since we do not want
+ # to bubble up any exceptions if openshift ex config view
+ # fails
+ # pylint: disable=broad-except
except Exception:
pass
@@ -139,7 +162,10 @@ class OpenShiftFacts():
if ip_value:
facts['common'][ip_var] = ip_value
- facts['common'][h_var] = self.choose_hostname([provider_facts['network'].get(h_var)], facts['common'][ip_var])
+ facts['common'][h_var] = self.choose_hostname(
+ [provider_facts['network'].get(h_var)],
+ facts['common'][ip_var]
+ )
if 'node' in roles:
ext_id = provider_facts.get('external_id')
@@ -158,32 +184,37 @@ class OpenShiftFacts():
return True
- def choose_hostname(self, hostnames=[], fallback=''):
+ def choose_hostname(self, hostnames=None, fallback=''):
hostname = fallback
+ if hostnames is None:
+ return hostname
- ips = [ i for i in hostnames if i is not None and re.match(r'\A\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\Z', i) ]
- hosts = [ i for i in hostnames if i is not None and i not in set(ips) ]
+ ip_regex = r'\A\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\Z'
+ ips = [i for i in hostnames
+ if (i is not None and isinstance(i, basestring)
+ and re.match(ip_regex, i))]
+ hosts = [i for i in hostnames
+ if i is not None and i != '' and i not in ips]
for host_list in (hosts, ips):
- for h in host_list:
- if self.hostname_valid(h):
- return h
+ for host in host_list:
+ if self.hostname_valid(host):
+ return host
return hostname
def get_defaults(self, roles):
- ansible_facts = self.get_ansible_facts()
-
defaults = dict()
common = dict(use_openshift_sdn=True)
- ip = ansible_facts['default_ipv4']['address']
- common['ip'] = ip
- common['public_ip'] = ip
-
- rc, output, error = module.run_command(['hostname', '-f'])
- hostname_f = output.strip() if rc == 0 else ''
- hostname_values = [hostname_f, ansible_facts['nodename'], ansible_facts['fqdn']]
+ ip_addr = self.system_facts['default_ipv4']['address']
+ common['ip'] = ip_addr
+ common['public_ip'] = ip_addr
+
+ exit_code, output, _ = module.run_command(['hostname', '-f'])
+ hostname_f = output.strip() if exit_code == 0 else ''
+ hostname_values = [hostname_f, self.system_facts['nodename'],
+ self.system_facts['fqdn']]
hostname = self.choose_hostname(hostname_values)
common['hostname'] = hostname
@@ -195,16 +226,18 @@ class OpenShiftFacts():
# the urls, instead of forcing both, also to override the hostname
# without having to re-generate these urls later
master = dict(api_use_ssl=True, api_port='8443',
- console_use_ssl=True, console_path='/console',
- console_port='8443', etcd_use_ssl=False,
- etcd_port='4001', portal_net='172.30.17.0/24')
+ console_use_ssl=True, console_path='/console',
+ console_port='8443', etcd_use_ssl=False,
+ etcd_port='4001', portal_net='172.30.17.0/24')
defaults['master'] = master
if 'node' in roles:
node = dict(external_id=common['hostname'], pod_cidr='',
labels={}, annotations={})
- node['resources_cpu'] = ansible_facts['processor_cores']
- node['resources_memory'] = int(int(ansible_facts['memtotal_mb']) * 1024 * 1024 * 0.75)
+ node['resources_cpu'] = self.system_facts['processor_cores']
+ node['resources_memory'] = int(
+ int(self.system_facts['memtotal_mb']) * 1024 * 1024 * 0.75
+ )
defaults['node'] = node
return defaults
@@ -225,13 +258,13 @@ class OpenShiftFacts():
return facts
def query_metadata(self, metadata_url, headers=None, expect_json=False):
- r, info = fetch_url(module, metadata_url, headers=headers)
+ result, info = fetch_url(module, metadata_url, headers=headers)
if info['status'] != 200:
raise OpenShiftFactsMetadataUnavailableError("Metadata unavailable")
if expect_json:
- return module.from_json(r.read())
+ return module.from_json(result.read())
else:
- return [line.strip() for line in r.readlines()]
+ return [line.strip() for line in result.readlines()]
def walk_metadata(self, metadata_url, headers=None, expect_json=False):
metadata = dict()
@@ -239,49 +272,56 @@ class OpenShiftFacts():
for line in self.query_metadata(metadata_url, headers, expect_json):
if line.endswith('/') and not line == 'public-keys/':
key = line[:-1]
- metadata[key]=self.walk_metadata(metadata_url + line, headers,
- expect_json)
+ metadata[key] = self.walk_metadata(metadata_url + line,
+ headers, expect_json)
else:
results = self.query_metadata(metadata_url + line, headers,
expect_json)
if len(results) == 1:
+ # disable pylint maybe-no-member because overloaded use of
+ # the module name causes pylint to not detect that results
+ # is an array or hash
+ # pylint: disable=maybe-no-member
metadata[line] = results.pop()
else:
metadata[line] = results
return metadata
def get_provider_metadata(self, metadata_url, supports_recursive=False,
- headers=None, expect_json=False):
+ headers=None, expect_json=False):
try:
if supports_recursive:
- metadata = self.query_metadata(metadata_url, headers, expect_json)
+ metadata = self.query_metadata(metadata_url, headers,
+ expect_json)
else:
- metadata = self.walk_metadata(metadata_url, headers, expect_json)
- except OpenShiftFactsMetadataUnavailableError as e:
+ metadata = self.walk_metadata(metadata_url, headers,
+ expect_json)
+ except OpenShiftFactsMetadataUnavailableError:
metadata = None
return metadata
- def get_ansible_facts(self):
- if not hasattr(self, 'ansible_facts'):
- self.ansible_facts = ansible_facts(module)
- return self.ansible_facts
-
+ # TODO: refactor to reduce the size of this method, potentially create
+ # sub-methods (or classes for the different providers)
+ # temporarily disable pylint too-many-statements
+ # pylint: disable=too-many-statements
def guess_host_provider(self):
# TODO: cloud provider facts should probably be submitted upstream
- ansible_facts = self.get_ansible_facts()
- product_name = ansible_facts['product_name']
- product_version = ansible_facts['product_version']
- virt_type = ansible_facts['virtualization_type']
- virt_role = ansible_facts['virtualization_role']
+ product_name = self.system_facts['product_name']
+ product_version = self.system_facts['product_version']
+ virt_type = self.system_facts['virtualization_type']
+ virt_role = self.system_facts['virtualization_role']
provider = None
metadata = None
# TODO: this is not exposed through module_utils/facts.py in ansible,
# need to create PR for ansible to expose it
- bios_vendor = get_file_content('/sys/devices/virtual/dmi/id/bios_vendor')
+ bios_vendor = get_file_content(
+ '/sys/devices/virtual/dmi/id/bios_vendor'
+ )
if bios_vendor == 'Google':
provider = 'gce'
- metadata_url = 'http://metadata.google.internal/computeMetadata/v1/?recursive=true'
+ metadata_url = ('http://metadata.google.internal/'
+ 'computeMetadata/v1/?recursive=true')
headers = {'Metadata-Flavor': 'Google'}
metadata = self.get_provider_metadata(metadata_url, True, headers,
True)
@@ -290,19 +330,28 @@ class OpenShiftFacts():
if metadata:
metadata['project']['attributes'].pop('sshKeys', None)
metadata['instance'].pop('serviceAccounts', None)
- elif virt_type == 'xen' and virt_role == 'guest' and re.match(r'.*\.amazon$', product_version):
+ elif (virt_type == 'xen' and virt_role == 'guest'
+ and re.match(r'.*\.amazon$', product_version)):
provider = 'ec2'
metadata_url = 'http://169.254.169.254/latest/meta-data/'
metadata = self.get_provider_metadata(metadata_url)
elif re.search(r'OpenStack', product_name):
provider = 'openstack'
- metadata_url = 'http://169.254.169.254/openstack/latest/meta_data.json'
- metadata = self.get_provider_metadata(metadata_url, True, None, True)
+ metadata_url = ('http://169.254.169.254/openstack/latest/'
+ 'meta_data.json')
+ metadata = self.get_provider_metadata(metadata_url, True, None,
+ True)
if metadata:
ec2_compat_url = 'http://169.254.169.254/latest/meta-data/'
- metadata['ec2_compat'] = self.get_provider_metadata(ec2_compat_url)
-
+ metadata['ec2_compat'] = self.get_provider_metadata(
+ ec2_compat_url
+ )
+
+ # disable pylint maybe-no-member because overloaded use of
+ # the module name causes pylint to not detect that results
+ # is an array or hash
+ # pylint: disable=maybe-no-member
# Filter public_keys and random_seed from openstack metadata
metadata.pop('public_keys', None)
metadata.pop('random_seed', None)
@@ -326,7 +375,8 @@ class OpenShiftFacts():
if provider == 'gce':
for interface in metadata['instance']['networkInterfaces']:
int_info = dict(ips=[interface['ip']], network_type=provider)
- int_info['public_ips'] = [ ac['externalIp'] for ac in interface['accessConfigs'] ]
+ int_info['public_ips'] = [ac['externalIp'] for ac
+ in interface['accessConfigs']]
int_info['public_ips'].extend(interface['forwardedIps'])
_, _, network_id = interface['network'].rpartition('/')
int_info['network_id'] = network_id
@@ -346,15 +396,26 @@ class OpenShiftFacts():
# TODO: attempt to resolve public_hostname
network['public_hostname'] = network['public_ip']
elif provider == 'ec2':
- for interface in sorted(metadata['network']['interfaces']['macs'].values(),
- key=lambda x: x['device-number']):
+ for interface in sorted(
+ metadata['network']['interfaces']['macs'].values(),
+ key=lambda x: x['device-number']
+ ):
int_info = dict()
var_map = {'ips': 'local-ipv4s', 'public_ips': 'public-ipv4s'}
for ips_var, int_var in var_map.iteritems():
ips = interface[int_var]
- int_info[ips_var] = [ips] if isinstance(ips, basestring) else ips
- int_info['network_type'] = 'vpc' if 'vpc-id' in interface else 'classic'
- int_info['network_id'] = interface['subnet-id'] if int_info['network_type'] == 'vpc' else None
+ if isinstance(ips, basestring):
+ int_info[ips_var] = [ips]
+ else:
+ int_info[ips_var] = ips
+ if 'vpc-id' in interface:
+ int_info['network_type'] = 'vpc'
+ else:
+ int_info['network_type'] = 'classic'
+ if int_info['network_type'] == 'vpc':
+ int_info['network_id'] = interface['subnet-id']
+ else:
+ int_info['network_id'] = None
network['interfaces'].append(int_info)
facts['zone'] = metadata['placement']['availability-zone']
facts['external_id'] = metadata['instance-id']
@@ -384,7 +445,8 @@ class OpenShiftFacts():
network['hostname'] = metadata['hostname']
# TODO: verify that public hostname makes sense and is resolvable
- network['public_hostname'] = metadata['ec2_compat']['public-hostname']
+ pub_h = metadata['ec2_compat']['public-hostname']
+ network['public_hostname'] = pub_h
facts['network'] = network
return facts
@@ -392,8 +454,8 @@ class OpenShiftFacts():
def init_provider_facts(self):
provider_info = self.guess_host_provider()
provider_facts = self.normalize_provider_facts(
- provider_info.get('name'),
- provider_info.get('metadata')
+ provider_info.get('name'),
+ provider_info.get('metadata')
)
return provider_facts
@@ -402,56 +464,77 @@ class OpenShiftFacts():
# of openshift.<blah>
return self.facts
- def init_local_facts(self, facts={}):
+ def init_local_facts(self, facts=None):
changed = False
+ facts_to_set = {self.role: dict()}
+ if facts is not None:
+ facts_to_set[self.role] = facts
- local_facts = ConfigParser.SafeConfigParser()
- local_facts.read(self.filename)
-
- section = self.role
- if not local_facts.has_section(section):
- local_facts.add_section(section)
+ # Handle conversion of INI style facts file to json style
+ local_facts = dict()
+ try:
+ ini_facts = ConfigParser.SafeConfigParser()
+ ini_facts.read(self.filename)
+ for section in ini_facts.sections():
+ local_facts[section] = dict()
+ for key, value in ini_facts.items(section):
+ local_facts[section][key] = value
+
+ except (ConfigParser.MissingSectionHeaderError,
+ ConfigParser.ParsingError):
+ try:
+ with open(self.filename, 'r') as facts_file:
+ local_facts = json.load(facts_file)
+
+ except (ValueError, IOError) as ex:
+ pass
+
+ for arg in ['labels', 'annotations']:
+ if arg in facts_to_set and isinstance(facts_to_set[arg],
+ basestring):
+ facts_to_set[arg] = module.from_json(facts_to_set[arg])
+
+ new_local_facts = self.merge_facts(local_facts, facts_to_set)
+ for facts in new_local_facts.values():
+ keys_to_delete = []
+ for fact, value in facts.iteritems():
+ if value == "" or value is None:
+ keys_to_delete.append(fact)
+ for key in keys_to_delete:
+ del facts[key]
+
+ if new_local_facts != local_facts:
changed = True
- for key, value in facts.iteritems():
- if isinstance(value, bool):
- value = str(value)
- if not value:
- continue
- if not local_facts.has_option(section, key) or local_facts.get(section, key) != value:
- local_facts.set(section, key, value)
- changed = True
-
- if changed and not module.check_mode:
- try:
- fact_dir = os.path.dirname(self.filename)
- if not os.path.exists(fact_dir):
- os.makedirs(fact_dir)
- with open(self.filename, 'w') as fact_file:
- local_facts.write(fact_file)
- except (IOError, OSError) as e:
- raise OpenShiftFactsFileWriteError("Could not create fact file: %s, error: %s" % (self.filename, e))
+ if not module.check_mode:
+ try:
+ fact_dir = os.path.dirname(self.filename)
+ if not os.path.exists(fact_dir):
+ os.makedirs(fact_dir)
+ with open(self.filename, 'w') as fact_file:
+ fact_file.write(module.jsonify(new_local_facts))
+ except (IOError, OSError) as ex:
+ raise OpenShiftFactsFileWriteError(
+ "Could not create fact file: "
+ "%s, error: %s" % (self.filename, ex)
+ )
self.changed = changed
-
- role_facts = dict()
- for section in local_facts.sections():
- role_facts[section] = dict()
- for opt, val in local_facts.items(section):
- role_facts[section][opt] = val
- return role_facts
+ return new_local_facts
def main():
+ # disabling pylint errors for global-variable-undefined and invalid-name
+ # for 'global module' usage, since it is required to use ansible_facts
+ # pylint: disable=global-variable-undefined, invalid-name
global module
module = AnsibleModule(
- argument_spec = dict(
- role=dict(default='common',
- choices=OpenShiftFacts.known_roles,
- required=False),
- local_facts=dict(default={}, type='dict', required=False),
- ),
- supports_check_mode=True,
- add_file_common_args=True,
+ argument_spec=dict(
+ role=dict(default='common', required=False,
+ choices=OpenShiftFacts.known_roles),
+ local_facts=dict(default=None, type='dict', required=False),
+ ),
+ supports_check_mode=True,
+ add_file_common_args=True,
)
role = module.params['role']
@@ -464,11 +547,13 @@ def main():
file_params['path'] = fact_file
file_args = module.load_file_common_arguments(file_params)
changed = module.set_fs_attributes_if_different(file_args,
- openshift_facts.changed)
+ openshift_facts.changed)
return module.exit_json(changed=changed,
- ansible_facts=openshift_facts.get_facts())
+ ansible_facts=openshift_facts.get_facts())
+# ignore pylint errors related to the module_utils import
+# pylint: disable=redefined-builtin, unused-wildcard-import, wildcard-import
# import module snippets
from ansible.module_utils.basic import *
from ansible.module_utils.facts import *