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cloudstack/plugins/hypervisors/ovm3/scripts/create_pool_cluster.py

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#!/usr/bin/python
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
#
import os, sys, subprocess
from xml.dom.minidom import parseString
from xmlrpclib import ServerProxy, Error
server = ServerProxy("http://localhost:8899")
pooledFs = 1
normalRepo = 0
try:
if normalRepo:
print "normal repo"
# this litterally throws EVERYTHING away on the repo
repoDom = parseString(server.discover_repository_db())
for node in repoDom.getElementsByTagName('Repository'):
repoUuid = node.attributes['Uuid']
remoteMount = node.getElementsByTagName('Fs_location')[0].firstChild.nodeValue
localMount = node.getElementsByTagName('Mount_point')[0].firstChild.nodeValue
# there is a "strong" relation between repo's and VMs
# onfortunately there is no reference in the vm.cfg
# or any known info in the configuration of the VM
# in which repo it lives....
for dirname, dirnames, filenames in os.walk('%s/VirtualMachines/' % localMount):
for vm in dirnames:
print "Destroying vm: %s on repo %s" % (vm, repoUuid.value)
try:
mVm = server.list_vm(repoUuid.value, vm)
if mVm != None:
print server.stop_vm(repoUuid.value, vm)
print server.delete_vm(repoUuid.value, vm)
else:
print "%s already not in repo %s" % (repoUuid.value, vm)
except Error, v:
print "Unable to destroy: %s" % (v)
continue
# VMs = server.list_vms()
# for vm in VMs:
# if vm['domid'] != '0':
# print vm
# print server.delete_vm(repoUuid.value, vm['uuid'])
rc = server.delete_repository(repoUuid.value, True)
# Set to false if you want to keep data: ^^^^
print "Repository: %s" % repoUuid.value
if (rc == None):
print "Ok repo: %s destroyed!" % repoUuid.value
# now unmount the FS
# print server.unmount_repository_fs(localMount)
else:
print "Failed repo: %s not destroyed!" % repoUuid.value
# for now only treat NFS stuff as we're testing with that..
nfsHost='cs-mgmt'
nfsDom = server.storage_plugin_listMountPoints(
'oracle.generic.NFSPlugin.GenericNFSPlugin',
{ 'status': '',
'admin_user': '',
'admin_host': '',
'uuid': '',
'total_sz': 0,
'admin_passwd': '',
'free_sz': 0,
'name': '',
'access_host': nfsHost,
'storage_type': 'FileSys',
'alloc_sz': 0,
'access_grps': [],
'used_sz': 0,
'storage_desc': ''
})
for node in nfsDom:
props = {'status': node['status'],
'uuid': '',
'access_host': nfsHost,
'storage_type': 'FileSys',
'name': '' }
extprops = {'status': node['status'],
'uuid': node['fs_uuid'],
'ss_uuid': '',
'size': 0,
'free_sz': '',
'state': 1,
'access_grp_names': [],
'access_path': nfsHost + ':' + '/volumes/cs-data/secondary',
'name': ''}
# rc = server.storage_plugin_unmount('oracle.generic.NFSPlugin.GenericNFSPlugin', props, extprops, nfsMnt, True)
# print rc
nfsDom = parseString(server.discover_mounted_file_systems('nfs'))
for node in nfsDom.getElementsByTagName('Mount'):
nfsMnt = node.attributes['Dir'].value
print 'Mountpoint: %s' % (nfsMnt)
fsStamp = '%s/.generic_fs_stamp' % nfsMnt
# remove this so we don't cock up next run
if os.path.isfile(fsStamp):
print "Stamp found: %s" % fsStamp
os.unlink(fsStamp)
rc = server.storage_plugin_unmount('oracle.generic.NFSPlugin.GenericNFSPlugin', props, extprops, nfsMnt, True)
print rc
if pooledFs:
print "pooling"
# pool stuff
poolalias="ItsMyPool"
poolmvip="192.168.1.161"
poolfirsthost = {
'ip': "192.168.1.64",
'hn': "ovm-1",
'id': 0,
'role': 'utility,xen'
}
fstype="nfs"
fstarget="cs-mgmt:/volumes/cs-data/primary"
poolid="0004fb0000020000ba9aaf00ae5e2d73"
clusterid="ba9aaf00ae5e2d72"
poolfsuuid="0004fb0000050000e70fbddeb802208f"
poolfsnfsbaseuuid="b8ca41cb-3469-4f74-a086-dddffe37dc2d"
manageruuid="0004fb00000100000af70d20dcce7d65"
pooluuid="0004fb0000020000ba9aaf00ae5e2d73"
blocksize=""
clustersize=""
journalesize=""
# o2cb is the problem.... /etc/init.d/o2cb
# sets it's config in /etc/sysconfig/o2cb (can be removed)
# dmsetup requires the stopping of o2cb first,
# then the removal of the config, after which dmsetup
# can remove the device from /dev/mapper/
# eventually cluster cleanup can be done by removing
# stuff from /etc/ovs-agent/db
# also clean /etc/ocfs2/cluster.conf
print server.create_pool_filesystem(
fstype,
fstarget,
clusterid,
poolfsuuid,
poolfsnfsbaseuuid,
manageruuid,
pooluuid
)
# poolDom = server.discover_server_pool()
# print poolDom
# poolDom = parseString(server.discover_server_pool())
# if poolDom.getElementsByTagName('Server_Pool'):
# get unique id
cluster = server.is_cluster_online()
if cluster == True:
print "clean up pool"
# print server.destroy_cluster(poolfsuuid)
# deconfigure cluster
# print server.destroy_server_pool(poolid)
if cluster == False:
print "create_server_pool"
# first take ownership. without an owner nothing happens
print server.take_ownership(manageruuid, "")
# we need to add the first host first to the pool....
poolDom = server.discover_server_pool()
print poolDom
poolDom = parseString(server.discover_server_pool())
if poolDom.getElementsByTagName('Server_Pool'):
print server.destroy_server_pool(pooluuid)
print server.create_pool_filesystem(
fstype,
fstarget,
clusterid,
poolfsuuid,
poolfsnfsbaseuuid,
manageruuid,
pooluuid
)
print server.create_server_pool(poolalias,
pooluuid,
poolmvip,
poolfirsthost['id'],
poolfirsthost['hn'],
poolfirsthost['ip'],
poolfirsthost['role'])
print "configure_virtual_ip"
server.configure_virtual_ip(poolmvip, poolfirsthost['ip'])
server.set_pool_member_ip_list(['192.168.1.64','192.168.1.65'],)
print "configure for cluster"
server.configure_server_for_cluster(
{
'O2CB_HEARTBEAT_THRESHOLD': '61',
'O2CB_RECONNECT_DELAY_MS': '2000',
'O2CB_KEEPALIVE_DELAY_MS': '2000',
'O2CB_BOOTCLUSTER': clusterid,
'O2CB_IDLE_TIMEOUT_MS': '60000',
'O2CB_ENABLED': 'true',
'O2CB_STACK': 'o2cb'
},
{
'node': [
{
'ip_port': 7777,
'cluster': clusterid,
'ip_address': poolfirsthost['ip'],
'name': poolfirsthost['hn'],
'number': poolfirsthost['id']
}
],
'heartbeat': [
{
'cluster': clusterid,
# uppercase poolfsuuid
'region': '0004FB0000050000E70FBDDEB802208F'
}
],
'cluster': [
{
'heartbeat_mode': 'global',
'node_count': 1,
'name': clusterid
}
]
},
'nfs',
'cs-mgmt:/volumes/cs-data/primary',
poolfsuuid,
poolfsnfsbaseuuid
)
print "create cluster"
server.create_cluster(poolfsuuid,)
poolDom = parseString(server.discover_server_pool())
for node in poolDom.getElementsByTagName('Server_Pool'):
id = node.getElementsByTagName('Unique_Id')[0].firstChild.nodeValue
alias = node.getElementsByTagName('Pool_Alias')[0].firstChild.nodeValue
mvip = node.getElementsByTagName('Master_Virtual_Ip')[0].firstChild.nodeValue
print "pool: %s, %s, %s" % (id, mvip, alias)
members = node.getElementsByTagName('Member')
for member in members:
mip = member.getElementsByTagName('Registered_IP')[0].firstChild.nodeValue
print "member: %s" % (mip)
print server.is_cluster_online()
print server.discover_cluster()
print server.discover_pool_filesystem()
print server.discover_server_pool()
# server.destroy_server_pool(pooluuid)
except Error, v:
print "ERROR", v
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