+class DeployConfig(object):
+ def __init__(self):
+ self.kwargs = parse_arguments()
+ self.dea_conf = dict()
+ self.dea_metadata = dict()
+ self.dea_pod_ovr_metadata = dict()
+ self.dea_pod_ovr_nodes = None
+ self.scenario_metadata = dict()
+ self.modules = []
+ self.module_uris = []
+ self.module_titles = []
+ self.module_versions = []
+ self.module_createds = []
+ self.module_shas = []
+ self.module_comments = []
+ self.dha_pod_conf = dict()
+ self.dha_metadata = dict()
+
+ def process_dea_base(self):
+ # Generate final dea.yaml by merging following config files/fragments in reverse priority order:
+ # "dea-base", "dea-pod-override", "deplyment-scenario/module-config-override"
+ # and "deployment-scenario/dea-override"
+ print('Generating final dea.yaml configuration....')
+
+ # Fetch dea-base, extract and purge meta-data
+ print('Parsing dea-base from: ' + self.kwargs["dea_base_uri"] + "....")
+ response = urllib2.urlopen(self.kwargs["dea_base_uri"])
+ dea_conf = yaml.load(response.read())
+
+ dea_metadata = dict()
+ dea_metadata['title'] = dea_conf['dea-base-config-metadata']['title']
+ dea_metadata['version'] = dea_conf['dea-base-config-metadata']['version']
+ dea_metadata['created'] = dea_conf['dea-base-config-metadata']['created']
+ dea_metadata['sha'] = sha_uri(self.kwargs["dea_base_uri"])
+ dea_metadata['comment'] = dea_conf['dea-base-config-metadata']['comment']
+ self.dea_metadata = dea_metadata
+ dea_conf.pop('dea-base-config-metadata')
+ self.dea_conf = dea_conf
+
+ def process_dea_pod_override(self):
+ # Fetch dea-pod-override, extract and purge meta-data, merge with previous dea data structure
+ print('Parsing the dea-pod-override from: ' + self.kwargs["dea_pod_override_uri"] + "....")
+ response = urllib2.urlopen(self.kwargs["dea_pod_override_uri"])
+ dea_pod_override_conf = yaml.load(response.read())
+
+ if dea_pod_override_conf:
+ metadata = dict()
+ metadata['title'] = dea_pod_override_conf['dea-pod-override-config-metadata']['title']
+ metadata['version'] = dea_pod_override_conf['dea-pod-override-config-metadata']['version']
+ metadata['created'] = dea_pod_override_conf['dea-pod-override-config-metadata']['created']
+ metadata['sha'] = sha_uri(self.kwargs["dea_pod_override_uri"])
+ metadata['comment'] = dea_pod_override_conf['dea-pod-override-config-metadata']['comment']
+ self.dea_pod_ovr_metadata = metadata
+
+ print('Merging dea-base and dea-pod-override configuration ....')
+ dea_pod_override_conf.pop('dea-pod-override-config-metadata')
+
+ # Copy the list of original nodes, which holds info on their transformations
+ if 'nodes' in dea_pod_override_conf:
+ self.dea_pod_ovr_nodes = list(dea_pod_override_conf['nodes'])
+ if dea_pod_override_conf:
+ self.dea_conf = dict(merge_dicts(self.dea_conf, dea_pod_override_conf))
+
+ def get_scenario_uri(self):
+ response = urllib2.urlopen(self.kwargs["scenario_base_uri"] + "/scenario.yaml")
+ scenario_short_translation_conf = yaml.load(response.read())
+ if self.kwargs["scenario"] in scenario_short_translation_conf:
+ scenario_uri = (self.kwargs["scenario_base_uri"]
+ + "/"
+ + scenario_short_translation_conf[self.kwargs["scenario"]]['configfile'])
+ else:
+ scenario_uri = self.kwargs["scenario_base_uri"] + "/" + self.kwargs["scenario"]
+
+ return scenario_uri
+
+ def get_scenario_config(self):
+ self.scenario_metadata['uri'] = self.get_scenario_uri()
+ response = urllib2.urlopen(self.scenario_metadata['uri'])
+ return yaml.load(response.read())
+
+ def process_modules(self):
+ scenario_conf = self.get_scenario_config()
+ if scenario_conf["stack-extensions"]:
+ for module in scenario_conf["stack-extensions"]:
+ print('Loading configuration for module: '
+ + module["module"]
+ + ' and merging it to final dea.yaml configuration....')
+ response = urllib2.urlopen(self.kwargs["plugins_uri"]
+ + '/'
+ + module["module-config-name"]
+ + '_'
+ + module["module-config-version"]
+ + '.yaml')
+ module_conf = yaml.load(response.read())
+ self.modules.append(module["module"])
+ self.module_uris.append(self.kwargs["plugins_uri"]
+ + '/'
+ + module["module-config-name"]
+ + '_'
+ + module["module-config-version"]
+ + '.yaml')
+ self.module_titles.append(str(module_conf['plugin-config-metadata']['title']))
+ self.module_versions.append(str(module_conf['plugin-config-metadata']['version']))
+ self.module_createds.append(str(module_conf['plugin-config-metadata']['created']))
+ self.module_shas.append(sha_uri(self.kwargs["plugins_uri"]
+ + '/'
+ + module["module-config-name"]
+ + '_'
+ + module["module-config-version"]
+ + '.yaml'))
+ self.module_comments.append(str(module_conf['plugin-config-metadata']['comment']))
+ module_conf.pop('plugin-config-metadata')
+ self.dea_conf['settings']['editable'].update(module_conf)
+
+ scenario_module_override_conf = module.get('module-config-override')
+ if scenario_module_override_conf:
+ dea_scenario_module_override_conf = {}
+ dea_scenario_module_override_conf['settings'] = {}
+ dea_scenario_module_override_conf['settings']['editable'] = {}
+ dea_scenario_module_override_conf['settings']['editable'][module["module"]] = scenario_module_override_conf
+ self.dea_conf = dict(merge_dicts(self.dea_conf, dea_scenario_module_override_conf))
+
+ def process_scenario_config(self):
+ # Fetch deployment-scenario, extract and purge meta-data, merge deployment-scenario/
+ # dea-override-configith previous dea data structure
+ print('Parsing deployment-scenario from: ' + self.kwargs["scenario"] + "....")
+
+ scenario_conf = self.get_scenario_config()
+
+ metadata = dict()
+ if scenario_conf:
+ metadata['title'] = scenario_conf['deployment-scenario-metadata']['title']
+ metadata['version'] = scenario_conf['deployment-scenario-metadata']['version']
+ metadata['created'] = scenario_conf['deployment-scenario-metadata']['created']
+ metadata['sha'] = sha_uri(self.scenario_metadata['uri'])
+ metadata['comment'] = scenario_conf['deployment-scenario-metadata']['comment']
+ self.scenario_metadata = metadata
+ scenario_conf.pop('deployment-scenario-metadata')
+ else:
+ print("Deployment scenario file not found or is empty")
+ print("Cannot continue, exiting ....")
+ sys.exit(1)
+
+ dea_scenario_override_conf = scenario_conf["dea-override-config"]
+ if dea_scenario_override_conf:
+ print('Merging dea-base-, dea-pod-override- and deployment-scenario '
+ 'configuration into final dea.yaml configuration....')
+ self.dea_conf = dict(merge_dicts(self.dea_conf, dea_scenario_override_conf))
+
+ self.process_modules()
+
+ # Fetch plugin-configuration configuration files, extract and purge meta-data,
+ # merge/append with previous dea data structure, override plugin-configuration with
+ # deploy-scenario/module-config-override
+
+ if self.dea_pod_ovr_nodes:
+ for node in self.dea_conf['nodes']:
+ data = get_node_ifaces_and_trans(self.dea_pod_ovr_nodes, node['id'])
+ if data:
+ print("Honoring original interfaces and transformations for "
+ "node %d to %s, %s" % (node['id'], data[0], data[1]))
+ node['interfaces'] = data[0]
+ node['transformations'] = data[1]
+
+ def dump_dea_config(self):
+ # Dump final dea.yaml including configuration management meta-data to argument provided
+ # directory
+ path = self.kwargs["output_path"]
+ if not os.path.exists(path):
+ os.makedirs(path)
+ print('Dumping final dea.yaml to ' + path + '/dea.yaml....')
+ with open(path + '/dea.yaml', "w") as f:
+ f.write("\n".join([("title: DEA.yaml file automatically generated from the "
+ 'configuration files stated in the "configuration-files" '
+ "fragment below"),
+ "version: " + str(calendar.timegm(time.gmtime())),
+ "created: " + time.strftime("%d/%m/%Y %H:%M:%S"),
+ "comment: none\n"]))
+
+ f.write("\n".join(["configuration-files:",
+ " dea-base:",
+ " uri: " + self.kwargs["dea_base_uri"],
+ " title: " + str(self.dea_metadata['title']),
+ " version: " + str(self.dea_metadata['version']),
+ " created: " + str(self.dea_metadata['created']),
+ " sha1: " + sha_uri(self.kwargs["dea_base_uri"]),
+ " comment: " + str(self.dea_metadata['comment']) + "\n"]))
+
+ f.write("\n".join([" pod-override:",
+ " uri: " + self.kwargs["dea_pod_override_uri"],
+ " title: " + str(self.dea_pod_ovr_metadata['title']),
+ " version: " + str(self.dea_pod_ovr_metadata['version']),
+ " created: " + str(self.dea_pod_ovr_metadata['created']),
+ " sha1: " + self.dea_pod_ovr_metadata['sha'],
+ " comment: " + str(self.dea_pod_ovr_metadata['comment']) + "\n"]))
+
+ f.write("\n".join([" deployment-scenario:",
+ " uri: " + self.scenario_metadata['uri'],
+ " title: " + str(self.scenario_metadata['title']),
+ " version: " + str(self.scenario_metadata['version']),
+ " created: " + str(self.scenario_metadata['created']),
+ " sha1: " + self.scenario_metadata['sha'],
+ " comment: " + str(self.scenario_metadata['comment']) + "\n"]))
+
+ f.write(" plugin-modules:\n")
+ for k, _ in enumerate(self.modules):
+ f.write("\n".join([" - module: " + self.modules[k],
+ " uri: " + self.module_uris[k],
+ " title: " + str(self.module_titles[k]),
+ " version: " + str(self.module_versions[k]),
+ " created: " + str(self.module_createds[k]),
+ " sha-1: " + self.module_shas[k],
+ " comment: " + str(self.module_comments[k]) + "\n"]))
+
+ yaml.dump(self.dea_conf, f, default_flow_style=False)
+
+ def process_dha_pod_config(self):
+ # Load POD dha and override it with "deployment-scenario/dha-override-config" section
+ print('Generating final dha.yaml configuration....')
+ print('Parsing dha-pod yaml configuration....')
+ response = urllib2.urlopen(self.kwargs["dha_uri"])
+ dha_pod_conf = yaml.load(response.read())
+
+ dha_metadata = dict()
+ dha_metadata['title'] = dha_pod_conf['dha-pod-config-metadata']['title']
+ dha_metadata['version'] = dha_pod_conf['dha-pod-config-metadata']['version']
+ dha_metadata['created'] = dha_pod_conf['dha-pod-config-metadata']['created']
+ dha_metadata['sha'] = sha_uri(self.kwargs["dha_uri"])
+ dha_metadata['comment'] = dha_pod_conf['dha-pod-config-metadata']['comment']
+ self.dha_metadata = dha_metadata
+ dha_pod_conf.pop('dha-pod-config-metadata')
+ self.dha_pod_conf = dha_pod_conf
+
+ scenario_conf = self.get_scenario_config()
+ dha_scenario_override_conf = scenario_conf["dha-override-config"]
+ # Only virtual deploy scenarios can override dha.yaml since there
+ # is no way to programatically override a physical environment:
+ # wireing, IPMI set-up, etc.
+ # For Physical environments, dha.yaml overrides will be silently ignored
+ if dha_scenario_override_conf and (dha_pod_conf['adapter'] == 'libvirt'
+ or dha_pod_conf['adapter'] == 'esxi'
+ or dha_pod_conf['adapter'] == 'vbox'):
+ print('Merging dha-pod and deployment-scenario override information to final dha.yaml configuration....')
+ self.dha_pod_conf = dict(merge_dicts(self.dha_pod_conf, dha_scenario_override_conf))
+
+ def dump_dha_config(self):
+ # Dump final dha.yaml to argument provided directory
+ path = self.kwargs["output_path"]
+ print('Dumping final dha.yaml to ' + path + '/dha.yaml....')
+ with open(path + '/dha.yaml', "w") as f:
+ f.write("\n".join([("title: DHA.yaml file automatically generated from "
+ "the configuration files stated in the "
+ '"configuration-files" fragment below'),
+ "version: " + str(calendar.timegm(time.gmtime())),
+ "created: " + time.strftime("%d/%m/%Y %H:%M:%S"),
+ "comment: none\n"]))
+
+ f.write("configuration-files:\n")
+
+ f.write("\n".join([" dha-pod-configuration:",
+ " uri: " + self.kwargs["dha_uri"],
+ " title: " + str(self.dha_metadata['title']),
+ " version: " + str(self.dha_metadata['version']),
+ " created: " + str(self.dha_metadata['created']),
+ " sha-1: " + self.dha_metadata['sha'],
+ " comment: " + str(self.dha_metadata['comment']) + "\n"]))
+
+ f.write("\n".join([" deployment-scenario:",
+ " uri: " + self.scenario_metadata['uri'],
+ " title: " + str(self.scenario_metadata['title']),
+ " version: " + str(self.scenario_metadata['version']),
+ " created: " + str(self.scenario_metadata['created']),
+ " sha-1: " + self.scenario_metadata['sha'],
+ " comment: " + str(self.scenario_metadata['comment']) + "\n"]))
+
+ yaml.dump(self.dha_pod_conf, f, default_flow_style=False)
+
+