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server_mgr_main.py
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server_mgr_main.py
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#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
"""
Name : server_manager.py
Author : Abhay Joshi
Description : This file contains code that provides REST api interface to
configure, get and manage configurations for servers which
are part of the contrail cluster of nodes, interacting
together to provide a scalable virtual network system.
"""
import os
import glob
import sys
import re
import datetime
import subprocess
import json
import argparse
from gevent import monkey
monkey.patch_all(thread=not 'unittest' in sys.modules)
import bottle
from bottle import route, run, request, abort
import ConfigParser
import paramiko
import base64
import shutil
import string
from urlparse import urlparse, parse_qs
from time import gmtime, strftime, localtime
import pdb
import server_mgr_db
import ast
import uuid
import traceback
import platform
from netaddr import *
import copy
import distutils.core
from server_mgr_defaults import *
from server_mgr_err import *
from server_mgr_status import *
from server_mgr_db import ServerMgrDb as db
from server_mgr_cobbler import ServerMgrCobbler as ServerMgrCobbler
from server_mgr_puppet import ServerMgrPuppet as ServerMgrPuppet
from server_mgr_logger import ServerMgrlogger as ServerMgrlogger
from server_mgr_logger import ServerMgrTransactionlogger as ServerMgrTlog
from server_mgr_exception import ServerMgrException as ServerMgrException
from server_mgr_mon_base_plugin import ServerMgrMonBasePlugin
from send_mail import send_mail
import tempfile
from contrail_defaults import *
from gevent import monkey
monkey.patch_all()
import gevent
bottle.BaseRequest.MEMFILE_MAX = 2 * 102400
_WEB_HOST = '127.0.0.1'
_WEB_PORT = 9001
_DEF_CFG_DB = 'cluster_server_mgr.db'
_DEF_SMGR_BASE_DIR = '/etc/contrail_smgr/'
_DEF_SMGR_CFG_FILE = _DEF_SMGR_BASE_DIR + 'sm-config.ini'
_SERVER_TAGS_FILE = _DEF_SMGR_BASE_DIR + 'tags.ini'
_DEF_HTML_ROOT_DIR = '/var/www/html/'
_DEF_COBBLER_IP = '127.0.0.1'
_DEF_COBBLER_PORT = None
_DEF_COBBLER_USERNAME = 'cobbler'
_DEF_COBBLER_PASSWORD = 'cobbler'
_DEF_IPMI_USERNAME = 'ADMIN'
_DEF_IPMI_PASSWORD = 'ADMIN'
_DEF_IPMI_TYPE = 'ipmilan'
_DEF_PUPPET_DIR = '/etc/puppet/'
# Temporary variable added to disable use of new puppet framework. This should be removed/enabled
# only after the new puppet framework has been fully tested. Value is set to TRUE for now, remove
# this variable and it's use when enabling new puppet framework.
_ENABLE_NEW_PUPPET_FRAMEWORK = True
@bottle.error(403)
def error_403(err):
return err.body
# end error_403
@bottle.error(404)
def error_404(err):
return err.body
# end error_404
@bottle.error(409)
def error_409(err):
return err.body
# end error_409
@bottle.error(500)
def error_500(err):
return err.body
# end error_500
@bottle.error(503)
def error_503(err):
return err.body
# end error_503
class VncServerManager():
'''
This is the main class that makes use of bottle package to provide rest
interface for the server manager. This class serves rest APIs and then
processes cluster, server and nodes classes in accordance with information
provided in the REST calls.
'''
_smgr_log = None
_smgr_trans_log = None
_tags_list = ['tag1', 'tag2', 'tag3', 'tag4',
'tag5', 'tag6', 'tag7']
_image_list = ["centos", "fedora", "ubuntu", "redhat",
"contrail-ubuntu-package", "contrail-centos-package",
"contrail-storage-ubuntu-package",
"esxi5.5", "esxi5.1"]
_iso_types = ["centos", "redhat", "ubuntu", "fedora", "esxi5.1", "esxi5.5"]
_package_types = ["contrail-ubuntu-package", "contrail-centos-package",
"contrail-storage-ubuntu-package"]
_image_category_list = ["image", "package"]
_tags_dict = {}
_rev_tags_dict = {}
_dev_env_monitoring_obj = None
_monitoring_base_plugin_obj = None
_config_set = False
#dict to hold cfg defaults
_cfg_defaults_dict = {}
#dict to hold code defaults
_code_defaults_dict = {}
_smgr_config = None
#fileds here except match_keys, obj_name and primary_key should
#match with the db columns
def _do_puppet_kick(self, host_ip):
msg = "Puppet kick trigered for %s" % (host_ip)
self._smgr_log.log(self._smgr_log.INFO, msg)
try:
rc = subprocess.check_call(
["puppet", "kick", "--host", host_ip])
# Log, return error if return code is non-null - TBD Abhay
except subprocess.CalledProcessError as e:
msg = ("put_image: error %d when executing"
"\"%s\"" %(e.returncode, e.cmd))
self._smgr_log.log(self._smgr_log.ERROR, msg)
def merge_dict(self, d1, d2):
for k,v2 in d2.items():
v1 = d1.get(k) # returns None if v1 has no value for this key
if ( isinstance(v1, dict) and
isinstance(v2, dict) ):
self.merge_dict(v1, v2)
elif v1:
#do nothing, Retain value
msg = "%s already present in dict d1," \
"Retaining value %s against %s" % (k, v1, v2)
self._smgr_log.log(self._smgr_log.INFO, msg)
else:
#do nothing, Retain value
msg = "adding %s:%s" % (k, v1)
self._smgr_log.log(self._smgr_log.INFO, msg)
d1[k] = copy.deepcopy(v2)
def _cfg_parse_defaults(self, cfg_def_objs):
defaults_dict = {}
cur_dict = defaults_dict
for k,v in cfg_def_objs.items():
d_dict = v
cur_dict = defaults_dict
if k in cur_dict:
cur_dict_l1 = cur_dict[k]
continue
else:
new_dict = {}
cur_dict[k] = new_dict
previous_dict_l1 = cur_dict
cur_dict_l1 = new_dict
for k,v in d_dict.items():
cur_dict = cur_dict_l1
dict_key_list = k.split(".")
for x in dict_key_list:
if x in cur_dict:
cur_dict = cur_dict[x]
continue
else:
new_dict = {}
cur_dict[x] = new_dict
previous_dict = cur_dict
cur_dict = new_dict
previous_dict[x] = v
return defaults_dict
def _prepare_code_defaults(self):
code_defaults_dict = {}
obj_list = {"server" : server_fields, "cluster": cluster_fields,
"image": image_fields}
for obj_name, obj in obj_list.items():
obj_cpy = obj.copy()
pop_items = ["match_keys", "obj_name", "primary_keys"]
obj_cpy.pop("match_keys")
obj_cpy.pop("obj_name")
obj_cpy.pop("primary_keys")
parameters = eval(obj_cpy.get("parameters", {}))
obj_cpy["parameters"] = parameters
code_defaults_dict[obj_name] = obj_cpy
return code_defaults_dict
def __init__(self, args_str=None):
self._args = None
#Create an instance of logger
try:
self._smgr_log = ServerMgrlogger()
except:
print "Error Creating logger object"
self._smgr_log.log(self._smgr_log.INFO, "Starting Server Manager")
#Create an instance of Transaction logger
try:
self._smgr_trans_log = ServerMgrTlog()
except:
print "Error Creating Transaction logger object"
self._monitoring_base_plugin_obj = ServerMgrMonBasePlugin()
if not args_str:
args_str = sys.argv[1:]
self._parse_args(args_str)
self._cfg_obj_defaults = self._read_smgr_object_defaults(self._smgr_config)
self._cfg_defaults_dict = self._cfg_parse_defaults(self._cfg_obj_defaults)
self._code_defaults_dict = self._prepare_code_defaults()
# Reads the tags.ini file to get tags mapping (if it exists)
if os.path.isfile(_SERVER_TAGS_FILE):
tags_config = ConfigParser.SafeConfigParser()
tags_config.read(_SERVER_TAGS_FILE)
tags_config_dict = dict(tags_config.items("TAGS"))
for key, value in tags_config_dict.iteritems():
if key not in self._tags_list:
self._smgr_log.log(
self._smgr_log.ERROR,
"Invalid tag %s in tags ini file"
%(key))
exit()
if value:
self._tags_dict[key] = value
self._rev_tags_dict[value] = key
# end if os.path.isfile()
# Connect to the cluster-servers database
try:
self._serverDb = db(
self._args.server_manager_base_dir+self._args.database_name)
except:
self._smgr_log.log(self._smgr_log.ERROR,
"Error Connecting to Server Database %s"
% (self._args.server_manager_base_dir+self._args.database_name))
exit()
# Add server tags to the DB
try:
self._serverDb.add_server_tags(self._tags_dict)
except:
self._smgr_log.log(
self._smgr_log.ERROR,
"Error adding server tags to server manager DB")
exit()
# Create an instance of cobbler interface class and connect to it.
try:
self._smgr_cobbler = ServerMgrCobbler(self._args.server_manager_base_dir,
self._args.cobbler_ip_address,
self._args.cobbler_port,
self._args.cobbler_username,
self._args.cobbler_password)
except:
print "Error connecting to cobbler"
exit()
# Create an instance of puppet interface class.
try:
# TBD - Puppet parameters to be added.
self._smgr_puppet = ServerMgrPuppet(self._args.server_manager_base_dir,
self._args.puppet_dir)
except:
self._smgr_log.log(self._smgr_log.ERROR, "Error creating instance of puppet object")
exit()
try:
# needed for testing...
status_thread_config = {}
status_thread_config['listen_ip'] = self._args.listen_ip_addr
status_thread_config['listen_port'] = '9002'
status_thread_config['smgr_puppet'] = self._smgr_puppet
status_thread = ServerMgrStatusThread(
None, "Status-Thread", status_thread_config)
# Make the thread as daemon
status_thread.daemon = True
status_thread.start()
except:
self._smgr_log.log(self._smgr_log.ERROR,
"Error starting the status thread")
exit()
# Read the JSON file, validate for correctness and add the entries to
# our DB.
if self._args.server_list is not None:
try:
server_file = open(self._args.server_list, 'r')
json_data = server_file.read()
server_file.close()
except IOError:
self._smgr_log.log(self._smgr_log.ERROR,
"Error reading initial config file %s") \
% (self._args.server_list)
exit()
try:
self.config_data = json.loads(json_data)
self._smgr_log.log(self._smgr_log.DEBUG,
"Server list is %s" % self.config_data)
except Exception as e:
print repr(e)
self._smgr_log.log(self._smgr_log.ERROR,
"Initial config file %s format error. "
"File should be in JSON format") \
% (self._args.server_list)
exit()
# Validate the config for sematic correctness.
self._validate_config(self.config_data)
# Store the initial configuration in our DB
try:
self._create_server_manager_config(self.config_data)
except Exception as e:
print repr(e)
self._dev_env_monitoring_obj.set_serverdb(self._serverDb)
self._dev_env_monitoring_obj.set_ipmi_defaults(self._args.ipmi_username, self._args.ipmi_password)
self._dev_env_monitoring_obj.daemon = True
self._dev_env_monitoring_obj.start()
self._base_url = "http://%s:%s" % (self._args.listen_ip_addr,
self._args.listen_port)
self._pipe_start_app = bottle.app()
# All bottle routes to be defined here...
# REST calls for GET methods (Get Info about existing records)
bottle.route('/all', 'GET', self.get_server_mgr_config)
bottle.route('/cluster', 'GET', self.get_cluster)
bottle.route('/server', 'GET', self.get_server)
bottle.route('/image', 'GET', self.get_image)
bottle.route('/status', 'GET', self.get_status)
bottle.route('/server_status', 'GET', self.get_server_status)
bottle.route('/tag', 'GET', self.get_server_tags)
bottle.route('/Monitor', 'GET', self.get_mon_details)
bottle.route('/defaults', 'GET', self.get_defaults)
# REST calls for PUT methods (Create New Records)
bottle.route('/all', 'PUT', self.create_server_mgr_config)
bottle.route('/image/upload', 'PUT', self.upload_image)
bottle.route('/status', 'PUT', self.put_status)
#smgr_add
bottle.route('/server', 'PUT', self.put_server)
bottle.route('/image', 'PUT', self.put_image)
bottle.route('/cluster', 'PUT', self.put_cluster)
bottle.route('/tag', 'PUT', self.put_server_tags)
# REST calls for DELETE methods (Remove records)
bottle.route('/cluster', 'DELETE', self.delete_cluster)
bottle.route('/server', 'DELETE', self.delete_server)
bottle.route('/image', 'DELETE', self.delete_image)
# REST calls for POST methods
bottle.route('/server/reimage', 'POST', self.reimage_server)
bottle.route('/server/provision', 'POST', self.provision_server)
bottle.route('/server/restart', 'POST', self.restart_server)
bottle.route('/dhcp_event', 'POST', self.process_dhcp_event)
bottle.route('/interface_created', 'POST', self.interface_created)
def get_pipe_start_app(self):
return self._pipe_start_app
# end get_pipe_start_app
def get_server_ip(self):
return self._args.listen_ip_addr
# end get_server_ip
def get_server_port(self):
return self._args.listen_port
# end get_server_port
# REST API call to get sever manager config - configuration of all
# clusters & all servers is returned.
def get_server_mgr_config(self):
self._smgr_log.log(self._smgr_log.DEBUG, "get_server_mgr_config")
config = {}
try:
query_args = parse_qs(urlparse(bottle.request.url).query,
keep_blank_values=True)
# Check if request arguments has detail parameter
detail = ("detail" in query_args)
config['cluster'] = self._serverDb.get_cluster(detail=detail)
config['server'] = self._serverDb.get_server(detail=detail)
config['image'] = self._serverDb.get_image(detail=detail)
# always call get_server_tags with detail=True
config['tag'] = self._serverDb.get_server_tags(detail=True)
except Exception as e:
self._smgr_trans_log.log(bottle.request, self._smgr_trans_log.GET_SMGR_ALL,
False)
self.log_trace()
resp_msg = self.form_operartion_data(repr(e), ERR_GENERAL_ERROR, None)
abort(404, resp_msg)
self._smgr_trans_log.log(bottle.request, self._smgr_trans_log.GET_SMGR_CFG_ALL)
self._smgr_log.log(self._smgr_log.DEBUG, "Config returned: %s" % (config))
return config
# end get_server_mgr_config
# REST API call to get sever manager config - configuration of all
# CLUSTERs, with all servers and roles is returned. This call
# provides all the configuration as in get_server_mgr_config() call
# above. This call additionally provides a way of getting all the
# configuration for a particular cluster.
def get_cluster(self):
self._smgr_log.log(self._smgr_log.DEBUG, "get_cluster")
try:
ret_data = self.validate_smgr_request("CLUSTER", "GET",
bottle.request)
if ret_data["status"] == 0:
match_key = ret_data["match_key"]
match_value = ret_data["match_value"]
select_clause = ret_data["select"]
match_dict = {}
if match_key:
match_dict[match_key] = match_value
detail = ret_data["detail"]
entity = self._serverDb.get_cluster(
match_dict, detail=detail,
field_list=select_clause)
except ServerMgrException as e:
self._smgr_trans_log.log(bottle.request,
self._smgr_trans_log.GET_SMGR_CFG_CLUSTER,
False)
resp_msg = self.form_operartion_data(e.msg, ERR_IMG_TYPE_INVALID,
None)
abort(404, resp_msg)
except Exception as e:
self._smgr_trans_log.log(bottle.request,
self._smgr_trans_log.GET_SMGR_CFG_CLUSTER,
False)
self.log_trace()
resp_msg = self.form_operartion_data(repr(e), ERR_GENERAL_ERROR, None)
abort(404, resp_msg)
self._smgr_trans_log.log(bottle.request,
self._smgr_trans_log.GET_SMGR_CFG_CLUSTER,
False)
self._smgr_trans_log.log(bottle.request,
self._smgr_trans_log.GET_SMGR_CFG_CLUSTER)
for x in entity:
if x.get("parameters", None) is not None:
x['parameters'] = eval(x['parameters'])
self._smgr_log.log(self._smgr_log.DEBUG, "Entity returned: %s" % (print_rest_response(entity)))
return {"cluster": entity}
# end get_cluster
# REST API call to get list of server tags. The tags are read from
# .ini file and stored in DB. There is also a copy maintained in a
# dictionary. Since all these are synced up, we return info from
# dictionaty variable itself.
def get_server_tags(self):
self._smgr_log.log(self._smgr_log.DEBUG, "get_server_tags")
try:
query_args = parse_qs(urlparse(bottle.request.url).query,
keep_blank_values=True)
tag_dict = self._tags_dict.copy()
except Exception as e:
self._smgr_trans_log.log(bottle.request,
self._smgr_trans_log.GET_SMGR_CFG_TAG,
False)
self.log_trace()
resp_msg = self.form_operartion_data(repr(e), ERR_GENERAL_ERROR,
None)
abort(404, resp_msg)
self._smgr_trans_log.log(bottle.request,
self._smgr_trans_log.GET_SMGR_CFG_TAG)
self._smgr_log.log(self._smgr_log.DEBUG, "Entity returned: %s" % (tag_dict))
return tag_dict
# end get_server_tags
def validate_smgr_entity(self, type, entity):
obj_list = entity.get(type, None)
if obj_list is None:
msg = "%s data not available in JSON" % \
type
self.log_and_raise_exception(msg)
def validate_smgr_get(self, validation_data, request, data=None):
ret_data = {}
ret_data['status'] = 1
query_args = parse_qs(urlparse(request.url).query,
keep_blank_values=True)
detail = ("detail" in query_args)
query_args.get("detail", None)
match_key = None
match_value = None
select_clause = self.get_select_clause(query_args)
if ((detail == True and len(query_args) == 1) or\
(detail == False and len(query_args) == 0) or\
(detail == False and len(query_args) == 1 and select_clause)):
ret_data["status"] = 0
ret_data["match_key"] = match_key
ret_data["match_value"] = match_value
ret_data["detail"] = detail
elif len(query_args) >= 1:
match_keys_str = validation_data['match_keys']
match_keys = eval(match_keys_str)
match_values = []
matches = self.validate_smgr_keys(query_args, match_keys)
self._smgr_log.log(self._smgr_log.DEBUG,
"match key returned: %s" % (matches))
self._smgr_log.log(self._smgr_log.DEBUG,
"select keys: %s" %(select_clause))
match_key, match_values = matches.popitem()
#TODO, Do we need this ?
# Append "discovered" as one of the values, though
# its not part of server table fields.
match_keys.append("discovered")
if (match_key not in match_keys):
raise ServerMgrException("Match Key not present", ERR_MATCH_KEY_NOT_PRESENT)
if match_values == None or match_values[0] == '':
raise ServerMgrException("Match Value not Specified",
ERR_MATCH_VALUE_NOT_PRESENT)
ret_data["status"] = 0
ret_data["match_key"] = match_key
ret_data["match_value"] = match_values[0]
ret_data["detail"] = detail
# end elif
ret_data['select'] = select_clause
return ret_data
def validate_smgr_put(self, validation_data, request, data=None,
modify = False):
ret_data = {}
ret_data['status'] = 1
try:
json_data = json.load(request.body)
except ValueError as e :
msg = "Invalid JSON data : %s " % e
self.log_and_raise_exception(msg)
entity = request.json
#check if json data is present
if (not entity):
msg = "No JSON data specified"
self.log_and_raise_exception(msg)
#Check if object is present
obj_name = validation_data['obj_name']
objs = entity.get(obj_name)
if len(objs) == 0:
msg = ("No %s data specified") % \
(obj_name)
self.log_and_raise_exception(msg)
#check if primary_keys are present
primary_keys_str = validation_data['primary_keys']
primary_keys = eval(primary_keys_str)
for primary_key in primary_keys:
if primary_key not in data:
msg = ("Primary Key %s not present") % (primary_key)
self.log_and_raise_exception(msg)
#Parse for the JSON to find allowable fields
remove_list = []
#new default code
if modify == False:
#pick the object defaults
obj_defaults = self._cfg_defaults_dict[obj_name]
obj_code_defaults = self._code_defaults_dict[obj_name]
#call the merge
self.merge_dict(data, obj_defaults)
self.merge_dict(data, obj_code_defaults)
obj_params_str = obj_name + "_params"
for k, v in data.iteritems():
#If json data name is not present in list of
#allowable fields silently ignore them.
if k not in validation_data:
# data.pop(k, None)
remove_list.append(k)
msg = ("Value %s is not an option") % (k)
self._smgr_log.log(self._smgr_log.ERROR,
msg)
if v == '""':
data[k] = ''
for item in remove_list:
data.pop(item, None)
if 'roles' in data:
if 'storage-compute' in data['roles'] and 'compute' not in data['roles']:
msg = "role 'storage-compute' needs role 'compute' in provision file"
raise ServerMgrException(msg, ERR_OPR_ERROR)
elif 'storage-master' in data['roles'] and 'openstack' not in data['roles']:
msg = "role 'storage-master' needs role 'openstack' in provision file"
raise ServerMgrException(msg, ERR_OPR_ERROR)
return ret_data
def validate_smgr_delete(self, validation_data, request, data = None):
ret_data = {}
ret_data['status'] = 1
match_keys_str = validation_data['match_keys']
match_keys = eval(match_keys_str)
query_args = parse_qs(urlparse(request.url).query,
keep_blank_values=True)
# Get the query argument.
force = ("force" in query_args)
query_args.pop("force", None)
matches = self.validate_smgr_keys(query_args, match_keys)
match_key, match_values = matches.popitem()
ret_data["status"] = 0
ret_data["match_key"] = match_key
ret_data["match_value"] = match_values[0]
ret_data["force"] = force
return ret_data
def _validate_roles(self, cluster_id):
# get list of all servers in this cluster
servers = self._serverDb.get_server(
{'cluster_id': cluster_id}, detail=True)
role_list = [
"database", "openstack", "config",
"control", "collector", "webui", "compute" ]
roles_set = set(role_list)
optional_role_list = ["storage-compute", "storage-master"]
optional_role_set = set(optional_role_list)
cluster_role_list = []
for server in servers:
if 'roles' in server and server['roles']:
role_list = eval(server['roles'])
else:
role_list = []
duplicate_roles = self.list_duplicates(role_list)
if len(duplicate_roles):
msg = "Duplicate Roles '%s' present" % \
", ".join(str(e) for e in duplicate_roles)
self.log_and_raise_exception(msg)
cluster_role_list.extend(role_list)
cluster_unique_roles = set(cluster_role_list)
missing_roles = roles_set.difference(cluster_unique_roles)
if len(missing_roles):
msg = "Mandatory roles \"%s\" are not present" % \
", ".join(str(e) for e in missing_roles)
self.log_and_raise_exception(msg)
unknown_roles = cluster_unique_roles.difference(roles_set)
unknown_roles.difference_update(optional_role_set)
if len(unknown_roles):
msg = "Unknown Roles: %s" % \
", ".join(str(e) for e in unknown_roles)
self.log_and_raise_exception(msg)
return 0
def list_duplicates(self, seq):
seen = set()
seen_add = seen.add
# adds all elements it doesn't know yet to seen and all other to
# seen_twice
seen_twice = set( x for x in seq if x in seen or seen_add(x) )
# turn the set into a list (as requested)
return list( seen_twice )
def validate_smgr_provision(self, validation_data, request , data=None):
ret_data = {}
ret_data['status'] = 1
entity = request.json
package_image_id = entity.get("package_image_id", '')
if package_image_id:
self.get_package_image(package_image_id)
#if package_image_id is None:
# msg = "No contrail package specified for provisioning"
# raise ServerMgrException(msg)
req_provision_params = entity.get("provision_parameters", None)
# if req_provision_params are specified, check contents for
# validity, store the info in DB and proceed with the
# provisioning step.
if req_provision_params is not None:
role_list = [
"database", "openstack", "config",
"control", "collector", "webui", "compute", "zookeeper", "storage-compute", "storage-master"]
roles = req_provision_params.get("roles", None)
if roles is None:
msg = "No provisioning roles specified"
self.log_and_raise_exception(msg)
if (type(roles) != type({})):
msg = "Invalid roles definition"
self.log_and_raise_exception(msg)
prov_servers = {}
for key, value in roles.iteritems():
if key not in role_list:
msg = "invalid role %s in provision file" %(
key)
self.log_and_raise_exception(msg)
if type(value) != type ([]):
msg = "role %s needs to have server list" %(
key)
self.log_and_raise_exception(msg)
for server in value:
if server not in prov_servers:
prov_servers[server] = [key]
else:
prov_servers[server].append(key)
# end for server
# end for key
cluster_id = None
servers = []
for key in prov_servers:
server = self._serverDb.get_server(
{"id" : key}, detail=True)
if server:
server = server[0]
servers.append(server)
if ((cluster_id != None) and
(server['cluster_id'] != cluster_id)):
msg = "all servers must belong to same cluster"
self.log_and_raise_exception(msg)
cluster_id = server['cluster_id']
# end for
#Modify the roles
for key, value in prov_servers.iteritems():
new_server = {
'id' : key,
'roles' : value }
self._serverDb.modify_server(new_server)
# end for
if len(servers) == 0:
msg = "No servers found"
self.log_and_raise_exception(msg)
ret_data["status"] = 0
ret_data["servers"] = servers
ret_data["package_image_id"] = package_image_id
else:
matches = self.validate_smgr_keys(entity)
match_key, match_value = matches.popitem()
# match_value = match_values[0]
# end else
match_dict = {}
if match_key == "tag":
match_dict = self._process_server_tags(match_value)
elif match_key:
match_dict[match_key] = match_value
servers = self._serverDb.get_server(
match_dict, detail=True)
if len(servers) == 0:
msg = "No servers found for %s" % \
(match_value)
self.log_and_raise_exception(msg)
cluster_id = servers[0]['cluster_id']
if not cluster_id:
msg = ("No Cluster associated with server %s") % (match_value)
self.log_and_raise_exception(msg)
self._validate_roles(cluster_id)
ret_data["status"] = 0
ret_data["servers"] = servers
ret_data["package_image_id"] = package_image_id
ret_data['server_packages'] = \
self.get_server_packages(servers, package_image_id)
return ret_data
# end validate_smgr_provision
def validate_smgr_reboot(self, validation_data, request , data=None):
ret_data = {}
ret_data['status'] = 1
entity = request.json
# Get parameter to check if netboot should be enabled.
net_boot = entity.get("net_boot", None)
if ((not net_boot) or
(net_boot not in ["y","Y","1"])):
net_boot = False
else:
net_boot = True
matches = self.validate_smgr_keys(entity)
match_key, match_value = matches.popitem()
ret_data['status'] = 0
ret_data['match_key'] = match_key
ret_data['match_value'] = match_value
ret_data['net_boot'] = net_boot
return ret_data
# end else
def validate_smgr_reimage(self, validation_data, request , data=None):
ret_data = {}
ret_data['status'] = 1
entity = request.json
# Get parameter to check server(s) are to be rebooted
# following reimage configuration in cobbler. Default is yes.
do_reboot = True
no_reboot = entity.get("no_reboot", None)
if ((no_reboot) and
(no_reboot in ["y","Y","1"])):
do_reboot = False
# Get image version parameter
base_image_id = entity.get("base_image_id", None)
package_image_id = entity.get("package_image_id", '')
if base_image_id is None:
msg = "No base image id specified"
self.log_and_raise_exception(msg)
matches = self.validate_smgr_keys(entity)
match_key, match_value = matches.popitem()
ret_data['status'] = 0
ret_data['match_key'] = match_key
ret_data['match_value'] = match_value
ret_data['base_image_id'] = base_image_id
ret_data['package_image_id'] = package_image_id
ret_data['do_reboot'] = do_reboot
return ret_data
# end validate_smgr_reimage
def get_select_clause(self, entity):
select_clause = select = None
if entity:
select = entity.get("select", None)
if select:
return select[0].split(',')
return select_clause
# end get_select_clause
def validate_smgr_keys(self, entity,
keys = ["id", "mac_address","tag","cluster_id", "where"]):
found = False
for key in keys:
if key in entity:
found = True
match_key = key
match_value = entity[key]
if found == False:
msg = "Match key not present"
self.log_and_raise_exception(msg)
return {match_key: match_value}
# end validate_smgr_keys
def validate_smgr_request(self, type, oper, request, data = None, modify =
False):
self._smgr_log.log(self._smgr_log.DEBUG, "validate_smgr_request")
ret_data = {}
ret_data['status'] = 1
if type == "SERVER":
validation_data = server_fields
elif type == "CLUSTER":
validation_data = cluster_fields
elif type == "IMAGE":
validation_data = image_fields
else:
validation_data = None
if oper == "GET":
ret_val_data = self.validate_smgr_get(validation_data, request, data)
elif oper == "PUT":
ret_val_data = self.validate_smgr_put(validation_data, request, data, modify)
elif oper == "DELETE":
ret_val_data = self.validate_smgr_delete(validation_data, request, data)
elif oper == "PROVISION":
ret_val_data = self.validate_smgr_provision(validation_data, request, data)
elif oper == "REBOOT":
ret_val_data = self.validate_smgr_reboot(validation_data, request, data)
elif oper == "REIMAGE":
ret_val_data = self.validate_smgr_reimage(validation_data, request, data)
self._smgr_log.log(self._smgr_log.DEBUG, "ret_val_data returned: %s" % (ret_val_data))
return ret_val_data
# This function converts the string of tags received in REST call and make
# a dictionary of tag keys that can be passed to match servers from DB.
# The match_value (tags received are in form tag1=value,tag2=value etc.
# This function maps the tag name to tag number and value and makes
# a dictionary of those.
def _process_server_tags(self, match_value):
if not match_value:
return {}
match_dict = {}
tag_list = match_value.split(',')
for x in tag_list:
tag = x.strip().split('=')
if tag[0] in self._rev_tags_dict:
match_dict[self._rev_tags_dict[tag[0]]] = tag[1]
else:
msg = ("Unknown tag %s specified" %(
tag[0]))
self.log_and_raise_exception(msg)
# end else
return match_dict
# end _process_server_tags
# This call returns status information about a provided server. If no server
# if provided, information about all the servers in server manager
# configuration is returned.
def get_server_status(self):
ret_data = None
self._smgr_log.log(self._smgr_log.DEBUG, "get_server_status")
try:
ret_data = self.validate_smgr_request("SERVER", "GET",
bottle.request)
if ret_data["status"] == 0:
match_key = ret_data["match_key"]
match_value = ret_data["match_value"]
select_clause = ret_data["select"]
match_dict = {}
if match_key == "tag":
match_dict = self._process_server_tags(match_value)
elif match_key:
match_dict[match_key] = match_value
detail = False
if not select_clause:
select_clause = ["id", "mac_address", "ip_address", "status"]
servers = self._serverDb.get_server(
match_dict, detail=detail, field_list=select_clause)
except ServerMgrException as e:
self._smgr_trans_log.log(bottle.request,
self._smgr_trans_log.GET_SMGR_CFG_SERVER, False)
resp_msg = self.form_operartion_data(e.msg, e.ret_code, None)
abort(404, resp_msg)
except Exception as e:
self.log_trace()
self._smgr_trans_log.log(bottle.request,
self._smgr_trans_log.GET_SMGR_CFG_SERVER, False)
resp_msg = self.form_operartion_data(repr(e), ERR_GENERAL_ERROR,
None)
abort(404, resp_msg)
self._smgr_trans_log.log(bottle.request,
self._smgr_trans_log.GET_SMGR_CFG_SERVER)
# Convert some of the fields in server entry to match what is accepted for put
self._smgr_log.log(self._smgr_log.DEBUG, "JSON response:%s" % (print_rest_response(servers)))
return {"server": servers}
# end get_server_status
# This call returns information about a provided server. If no server
# if provided, information about all the servers in server manager
# configuration is returned.
def get_server(self):
ret_data = None
self._smgr_log.log(self._smgr_log.DEBUG, "get_server")
servers = []
try:
ret_data = self.validate_smgr_request("SERVER", "GET",
bottle.request)
if ret_data["status"] == 0:
match_key = ret_data["match_key"]
match_value = ret_data["match_value"]
select_clause = ret_data["select"]
match_dict = {}
if match_key == "tag":
match_dict = self._process_server_tags(match_value)
elif match_key:
match_dict[match_key] = match_value
detail = ret_data["detail"]
servers = self._serverDb.get_server(
match_dict, detail=detail, field_list=select_clause)
except ServerMgrException as e:
self._smgr_trans_log.log(bottle.request,
self._smgr_trans_log.GET_SMGR_CFG_SERVER, False)