Add compass-deck

RESTful API and DB Handlers for Compass

Change-Id: I1ce411f279943764c286ea48dca9185d453cf254
Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>

1 files changed, 237 insertions, 0 deletions

diff --git a/compass-deck/deployment/deploy_manager.py b/compass-deck/deployment/deploy_manager.py
new file mode 100644
index 0000000..baf7cd6
--- /dev/null
+++ b/compass-deck/deployment/deploy_manager.py
@@ -0,0 +1,237 @@
+# Copyright 2014 Huawei Technologies Co. Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+__author__ = "Grace Yu (grace.yu@huawei.com)"
+
+"""Module to get configs from provider and isntallers and update
+   them to provider and installers.
+"""
+from compass.deployment.installers.installer import OSInstaller
+from compass.deployment.installers.installer import PKInstaller
+from compass.deployment.utils import constants as const
+from compass.utils import util
+
+
+import logging
+
+
+class DeployManager(object):
+    """Deploy manager module."""
+    def __init__(self, adapter_info, cluster_info, hosts_info):
+        """Init deploy manager."""
+        self.os_installer = None
+        self.pk_installer = None
+
+        # Get OS installer
+        os_installer_name = adapter_info[const.OS_INSTALLER][const.NAME]
+        self.os_installer = DeployManager._get_installer(OSInstaller,
+                                                         os_installer_name,
+                                                         adapter_info,
+                                                         cluster_info,
+                                                         hosts_info)
+
+        # Get package installer
+        pk_info = adapter_info.setdefault(const.PK_INSTALLER, {})
+        if pk_info:
+            pk_installer_name = pk_info[const.NAME]
+            self.pk_installer = DeployManager._get_installer(PKInstaller,
+                                                             pk_installer_name,
+                                                             adapter_info,
+                                                             cluster_info,
+                                                             hosts_info)
+
+    @staticmethod
+    def _get_installer(installer_type, name, adapter_info, cluster_info,
+                       hosts_info):
+        """Get installer instance."""
+        callback = getattr(installer_type, 'get_installer')
+        installer = callback(name, adapter_info, cluster_info, hosts_info)
+
+        return installer
+
+    def deploy(self):
+        """Deploy the cluster."""
+        deployed_config = self.deploy_os()
+        package_deployed_config = self.deploy_target_system()
+
+        util.merge_dict(deployed_config, package_deployed_config)
+
+        return deployed_config
+
+    def check_cluster_health(self, callback_url):
+        logging.info("DeployManager check_cluster_health...........")
+        self.pk_installer.check_cluster_health(callback_url)
+
+    def clean_progress(self):
+        """Clean previous installation log and progress."""
+        self.clean_os_installtion_progress()
+        self.clean_package_installation_progress()
+
+    def clean_os_installtion_progress(self):
+        # OS installer cleans previous installing progress.
+        if self.os_installer:
+            self.os_installer.clean_progress()
+
+    def clean_package_installation_progress(self):
+        # Package installer cleans previous installing progress.
+        if self.pk_installer:
+            self.pk_installer.clean_progress()
+
+    def prepare_for_deploy(self):
+        self.clean_progress()
+
+    def deploy_os(self):
+        """Deploy OS to hosts which need to in the cluster.
+
+        Return OS deployed config.
+        """
+        if not self.os_installer:
+            return {}
+
+        pk_installer_config = {}
+        if self.pk_installer:
+            # generate target system config which will be installed by OS
+            # installer right after OS installation is completed.
+            pk_installer_config = self.pk_installer.generate_installer_config()
+            logging.debug('[DeployManager]package installer config is %s',
+                          pk_installer_config)
+
+        # Send package installer config info to OS installer.
+        self.os_installer.set_package_installer_config(pk_installer_config)
+
+        # start to deploy OS
+        return self.os_installer.deploy()
+
+    def deploy_target_system(self):
+        """Deploy target system to all hosts in the cluster.
+
+        Return package deployed config.
+        """
+        if not self.pk_installer:
+            return {}
+
+        return self.pk_installer.deploy()
+
+    def redeploy_os(self):
+        """Redeploy OS for this cluster without changing configurations."""
+        if not self.os_installer:
+            logging.info("Redeploy_os: No OS installer found!")
+            return
+
+        self.os_installer.redeploy()
+        logging.info("Start to redeploy OS for cluster.")
+
+    def redeploy_target_system(self):
+        """Redeploy target system for the cluster without changing config."""
+        if not self.pk_installer:
+            logging.info("Redeploy_target_system: No installer found!")
+            return
+
+        self.pk_installer.deploy()
+        logging.info("Start to redeploy target system.")
+
+    def redeploy(self):
+        """Redeploy the cluster without changing configurations."""
+        self.redeploy_os()
+        self.redeploy_target_system()
+
+    def remove_hosts(self, package_only=False, delete_cluster=False):
+        """Remove hosts from both OS and/or package installlers server side."""
+        if self.os_installer and not package_only:
+            self.os_installer.delete_hosts()
+
+        if self.pk_installer:
+            self.pk_installer.delete_hosts(delete_cluster=delete_cluster)
+
+    def os_installed(self):
+        if self.os_installer:
+            self.os_installer.ready()
+        if self.pk_installer:
+            self.pk_installer.os_ready()
+
+    def cluster_os_installed(self):
+        if self.os_installer:
+            self.os_installer.cluster_ready()
+        if self.pk_installer:
+            self.pk_installer.cluster_os_ready()
+
+    def package_installed(self):
+        if self.pk_installer:
+            self.pk_installer.ready()
+
+    def cluster_installed(self):
+        if self.pk_installer:
+            self.pk_installer.cluster_ready()
+
+
+class Patcher(DeployManager):
+    """Patcher Module."""
+    def __init__(self, adapter_info, cluster_info, hosts_info, cluster_hosts):
+        self.pk_installer = None
+        self.cluster_info = cluster_info
+        registered_roles = cluster_info['flavor']['roles']
+
+        pk_info = adapter_info.setdefault(const.PK_INSTALLER, {})
+        if pk_info:
+            pk_installer_name = pk_info[const.NAME]
+            self.pk_installer = Patcher._get_installer(PKInstaller,
+                                                       pk_installer_name,
+                                                       adapter_info,
+                                                       cluster_info,
+                                                       hosts_info)
+
+        patched_role_mapping = {}
+        for role in registered_roles:
+            patched_role_mapping[role] = []
+        for host in cluster_hosts:
+            if len(host['patched_roles']) == 0:
+                continue
+            for role in host['patched_roles']:
+                patched_role_mapping[role['name']].append(host)
+        self.patched_role_mapping = patched_role_mapping
+
+    def patch(self):
+        patched_config = self.pk_installer.patch(self.patched_role_mapping)
+
+        return patched_config
+
+
+class PowerManager(object):
+    """Manage host to power on, power off, and reset."""
+
+    def __init__(self, adapter_info, cluster_info, hosts_info):
+        os_installer_name = adapter_info[const.OS_INSTALLER][const.NAME]
+        self.os_installer = DeployManager._get_installer(OSInstaller,
+                                                         os_installer_name,
+                                                         adapter_info,
+                                                         cluster_info,
+                                                         hosts_info)
+
+    def poweron(self):
+        if not self.os_installer:
+            logging.info("No OS installer found, cannot power on machine!")
+            return
+        self.os_installer.poweron()
+
+    def poweroff(self):
+        if not self.os_installer:
+            logging.info("No OS installer found, cannot power on machine!")
+            return
+        self.os_installer.poweroff()
+
+    def reset(self):
+        if not self.os_installer:
+            logging.info("No OS installer found, cannot power on machine!")
+            return
+        self.os_installer.reset()