mirror of
https://github.com/thegeeklab/ansible-later.git
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323 lines
16 KiB
Python
323 lines
16 KiB
Python
#
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# Copyright 2018 Red Hat | Ansible
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import absolute_import, division, print_function
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from ansible.module_utils.k8s.common import K8sAnsibleMixin, HAS_K8S_MODULE_HELPER
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try:
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from ansible.errors import AnsibleError
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except ImportError:
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AnsibleError = Exception
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try:
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from openshift.dynamic.exceptions import DynamicApiError
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except ImportError:
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pass
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class K8sInventoryException(Exception):
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pass
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class K8sInventoryHelper(K8sAnsibleMixin):
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helper = None
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transport = 'kubectl'
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def setup(self, config_data, cache, cache_key):
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connections = config_data.get('connections')
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if not HAS_K8S_MODULE_HELPER:
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raise K8sInventoryException(
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"This module requires the OpenShift Python client. Try `pip install openshift`"
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)
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source_data = None
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if cache and cache_key in self._cache:
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try:
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source_data = self._cache[cache_key]
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except KeyError:
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pass
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if not source_data:
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self.fetch_objects(connections)
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def fetch_objects(self, connections):
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client = self.get_api_client()
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if connections:
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if not isinstance(connections, list):
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raise K8sInventoryException("Expecting connections to be a list.")
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for connection in connections:
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if not isinstance(connection, dict):
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raise K8sInventoryException("Expecting connection to be a dictionary.")
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client = self.get_api_client(**connection)
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name = connection.get('name', self.get_default_host_name(client.configuration.host))
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if connection.get('namespaces'):
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namespaces = connection['namespaces']
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else:
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namespaces = self.get_available_namespaces(client)
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for namespace in namespaces:
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self.get_pods_for_namespace(client, name, namespace)
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self.get_services_for_namespace(client, name, namespace)
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else:
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name = self.get_default_host_name(client.configuration.host)
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namespaces = self.get_available_namespaces(client)
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for namespace in namespaces:
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self.get_pods_for_namespace(client, name, namespace)
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self.get_services_for_namespace(client, name, namespace)
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@staticmethod
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def get_default_host_name(host):
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return host.replace('https://', '').replace('http://', '').replace('.', '-').replace(':', '_')
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def get_available_namespaces(self, client):
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v1_namespace = client.resources.get(api_version='v1', kind='Namespace')
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try:
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obj = v1_namespace.get()
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except DynamicApiError as exc:
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raise K8sInventoryException('Error fetching Namespace list: {0}'.format(exc.message))
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return [namespace.metadata.name for namespace in obj.items]
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def get_pods_for_namespace(self, client, name, namespace):
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v1_pod = client.resources.get(api_version='v1', kind='Pod')
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try:
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obj = v1_pod.get(namespace=namespace)
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except DynamicApiError as exc:
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raise K8sInventoryException('Error fetching Pod list: {0}'.format(exc.message))
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namespace_group = 'namespace_{0}'.format(namespace)
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namespace_pods_group = '{0}_pods'.format(namespace_group)
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self.inventory.add_group(name)
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self.inventory.add_group(namespace_group)
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self.inventory.add_child(name, namespace_group)
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self.inventory.add_group(namespace_pods_group)
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self.inventory.add_child(namespace_group, namespace_pods_group)
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for pod in obj.items:
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pod_name = pod.metadata.name
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pod_groups = []
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pod_annotations = {} if not pod.metadata.annotations else dict(pod.metadata.annotations)
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if pod.metadata.labels:
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# create a group for each label_value
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for key, value in pod.metadata.labels:
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group_name = 'label_{0}_{1}'.format(key, value)
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if group_name not in pod_groups:
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pod_groups.append(group_name)
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self.inventory.add_group(group_name)
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pod_labels = dict(pod.metadata.labels)
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else:
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pod_labels = {}
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if not pod.status.containerStatuses:
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continue
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for container in pod.status.containerStatuses:
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# add each pod_container to the namespace group, and to each label_value group
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container_name = '{0}_{1}'.format(pod.metadata.name, container.name)
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self.inventory.add_host(container_name)
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self.inventory.add_child(namespace_pods_group, container_name)
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if pod_groups:
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for group in pod_groups:
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self.inventory.add_child(group, container_name)
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# Add hostvars
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self.inventory.set_variable(container_name, 'object_type', 'pod')
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self.inventory.set_variable(container_name, 'labels', pod_labels)
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self.inventory.set_variable(container_name, 'annotations', pod_annotations)
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self.inventory.set_variable(container_name, 'cluster_name', pod.metadata.clusterName)
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self.inventory.set_variable(container_name, 'pod_node_name', pod.spec.nodeName)
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self.inventory.set_variable(container_name, 'pod_name', pod.spec.name)
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self.inventory.set_variable(container_name, 'pod_host_ip', pod.status.hostIP)
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self.inventory.set_variable(container_name, 'pod_phase', pod.status.phase)
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self.inventory.set_variable(container_name, 'pod_ip', pod.status.podIP)
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self.inventory.set_variable(container_name, 'pod_self_link', pod.metadata.selfLink)
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self.inventory.set_variable(container_name, 'pod_resource_version', pod.metadata.resourceVersion)
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self.inventory.set_variable(container_name, 'pod_uid', pod.metadata.uid)
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self.inventory.set_variable(container_name, 'container_name', container.image)
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self.inventory.set_variable(container_name, 'container_image', container.image)
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if container.state.running:
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self.inventory.set_variable(container_name, 'container_state', 'Running')
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if container.state.terminated:
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self.inventory.set_variable(container_name, 'container_state', 'Terminated')
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if container.state.waiting:
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self.inventory.set_variable(container_name, 'container_state', 'Waiting')
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self.inventory.set_variable(container_name, 'container_ready', container.ready)
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self.inventory.set_variable(container_name, 'ansible_remote_tmp', '/tmp/')
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self.inventory.set_variable(container_name, 'ansible_connection', self.transport)
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self.inventory.set_variable(container_name, 'ansible_{0}_pod'.format(self.transport),
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pod_name)
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self.inventory.set_variable(container_name, 'ansible_{0}_container'.format(self.transport),
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container.name)
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self.inventory.set_variable(container_name, 'ansible_{0}_namespace'.format(self.transport),
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namespace)
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def get_services_for_namespace(self, client, name, namespace):
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v1_service = client.resources.get(api_version='v1', kind='Service')
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try:
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obj = v1_service.get(namespace=namespace)
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except DynamicApiError as exc:
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raise K8sInventoryException('Error fetching Service list: {0}'.format(exc.message))
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namespace_group = 'namespace_{0}'.format(namespace)
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namespace_services_group = '{0}_services'.format(namespace_group)
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self.inventory.add_group(name)
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self.inventory.add_group(namespace_group)
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self.inventory.add_child(name, namespace_group)
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self.inventory.add_group(namespace_services_group)
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self.inventory.add_child(namespace_group, namespace_services_group)
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for service in obj.items:
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service_name = service.metadata.name
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service_labels = {} if not service.metadata.labels else dict(service.metadata.labels)
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service_annotations = {} if not service.metadata.annotations else dict(service.metadata.annotations)
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self.inventory.add_host(service_name)
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if service.metadata.labels:
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# create a group for each label_value
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for key, value in service.metadata.labels:
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group_name = 'label_{0}_{1}'.format(key, value)
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self.inventory.add_group(group_name)
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self.inventory.add_child(group_name, service_name)
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try:
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self.inventory.add_child(namespace_services_group, service_name)
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except AnsibleError as e:
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raise
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ports = [{'name': port.name,
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'port': port.port,
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'protocol': port.protocol,
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'targetPort': port.targetPort,
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'nodePort': port.nodePort} for port in service.spec.ports or []]
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# add hostvars
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self.inventory.set_variable(service_name, 'object_type', 'service')
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self.inventory.set_variable(service_name, 'labels', service_labels)
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self.inventory.set_variable(service_name, 'annotations', service_annotations)
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self.inventory.set_variable(service_name, 'cluster_name', service.metadata.clusterName)
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self.inventory.set_variable(service_name, 'ports', ports)
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self.inventory.set_variable(service_name, 'type', service.spec.type)
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self.inventory.set_variable(service_name, 'self_link', service.metadata.selfLink)
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self.inventory.set_variable(service_name, 'resource_version', service.metadata.resourceVersion)
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self.inventory.set_variable(service_name, 'uid', service.metadata.uid)
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if service.spec.externalTrafficPolicy:
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self.inventory.set_variable(service_name, 'external_traffic_policy',
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service.spec.externalTrafficPolicy)
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if service.spec.externalIPs:
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self.inventory.set_variable(service_name, 'external_ips', service.spec.externalIPs)
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if service.spec.externalName:
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self.inventory.set_variable(service_name, 'external_name', service.spec.externalName)
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if service.spec.healthCheckNodePort:
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self.inventory.set_variable(service_name, 'health_check_node_port',
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service.spec.healthCheckNodePort)
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if service.spec.loadBalancerIP:
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self.inventory.set_variable(service_name, 'load_balancer_ip',
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service.spec.loadBalancerIP)
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if service.spec.selector:
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self.inventory.set_variable(service_name, 'selector', dict(service.spec.selector))
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if hasattr(service.status.loadBalancer, 'ingress') and service.status.loadBalancer.ingress:
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load_balancer = [{'hostname': ingress.hostname,
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'ip': ingress.ip} for ingress in service.status.loadBalancer.ingress]
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self.inventory.set_variable(service_name, 'load_balancer', load_balancer)
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class OpenShiftInventoryHelper(K8sInventoryHelper):
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helper = None
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transport = 'oc'
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def fetch_objects(self, connections):
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super(OpenShiftInventoryHelper, self).fetch_objects(connections)
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client = self.get_api_client()
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if connections:
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for connection in connections:
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client = self.get_api_client(**connection)
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name = connection.get('name', self.get_default_host_name(client.configuration.host))
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if connection.get('namespaces'):
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namespaces = connection['namespaces']
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else:
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namespaces = self.get_available_namespaces(client)
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for namespace in namespaces:
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self.get_routes_for_namespace(client, name, namespace)
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else:
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name = self.get_default_host_name(client.configuration.host)
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namespaces = self.get_available_namespaces(client)
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for namespace in namespaces:
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self.get_routes_for_namespace(client, name, namespace)
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def get_routes_for_namespace(self, client, name, namespace):
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v1_route = client.resources.get(api_version='v1', kind='Route')
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try:
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obj = v1_route.get(namespace=namespace)
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except DynamicApiError as exc:
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raise K8sInventoryException('Error fetching Routes list: {0}'.format(exc.message))
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namespace_group = 'namespace_{0}'.format(namespace)
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namespace_routes_group = '{0}_routes'.format(namespace_group)
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self.inventory.add_group(name)
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self.inventory.add_group(namespace_group)
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self.inventory.add_child(name, namespace_group)
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self.inventory.add_group(namespace_routes_group)
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self.inventory.add_child(namespace_group, namespace_routes_group)
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for route in obj.items:
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route_name = route.metadata.name
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route_annotations = {} if not route.metadata.annotations else dict(route.metadata.annotations)
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self.inventory.add_host(route_name)
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if route.metadata.labels:
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# create a group for each label_value
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for key, value in route.metadata.labels:
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group_name = 'label_{0}_{1}'.format(key, value)
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self.inventory.add_group(group_name)
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self.inventory.add_child(group_name, route_name)
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route_labels = dict(route.metadata.labels)
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else:
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route_labels = {}
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self.inventory.add_child(namespace_routes_group, route_name)
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# add hostvars
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self.inventory.set_variable(route_name, 'labels', route_labels)
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self.inventory.set_variable(route_name, 'annotations', route_annotations)
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self.inventory.set_variable(route_name, 'cluster_name', route.metadata.clusterName)
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self.inventory.set_variable(route_name, 'object_type', 'route')
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self.inventory.set_variable(route_name, 'self_link', route.metadata.selfLink)
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self.inventory.set_variable(route_name, 'resource_version', route.metadata.resourceVersion)
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self.inventory.set_variable(route_name, 'uid', route.metadata.uid)
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if route.spec.host:
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self.inventory.set_variable(route_name, 'host', route.spec.host)
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if route.spec.path:
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self.inventory.set_variable(route_name, 'path', route.spec.path)
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if hasattr(route.spec.port, 'targetPort') and route.spec.port.targetPort:
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self.inventory.set_variable(route_name, 'port', dict(route.spec.port))
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