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.cluster.py
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.cluster.py
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from socket import gethostname
import os
defaults = {
'netmask': '255.255.255.0',
'public_key': '~/.ssh/id_rsa.pub',
'private_key': '~/.ssh/id_rsa',
'domain_name': 'local',
'extra_disks': {},
'openstack': {
'flavor': 'm1.large',
'image': 'Ubuntu-14.04-64',
'key_name': gethostname(),
'network': '{}-net'.format(os.getenv('OS_PROJECT_NAME')),
'create_floating_ip': False,
'floating_ip_pool': 'ext-net',
'security_groups': ['default'],
},
'vagrant': {
'provider': 'libvirt',
'box': 'ubuntu/14.04'
},
'provider': 'openstack',
}
zk = lambda i: {
'zk%d' % i: {}
}
master = lambda i: {
'master%d' % i: {}
# 'openstack': {'security_groups': ['default', 'hadoop-status']}
}
data = lambda i: {
'data%d' % i: {}
}
frontend = lambda i: {
'frontend%d' % i: {
# 'extra_disks': {'vdb': {'size': '10G'}},
# 'openstack': {'create_floating_ip': True},
}
}
loadbalancer = lambda i: {
'loadbalancer%d' % i: {
# 'openstack': {'flavor': 'm1.medium',
# 'security_groups': ['default', 'sshlb'],}
}
}
monitor = lambda i: {
'monitor%d' % i: {}
}
gluster = lambda i: {
'gluster%d' % i: {
'ip': '10.0.6.{}'.format(i+10),
'openstack': {'flavor': 'm1.large',}
}
}
from vcl.specification import expand, group, combine, chain
N_ZK = 3
N_MASTER = 3
N_DATA = 3
N_FRONTEND = 1
N_LOADBALANCER = 0
N_MONITOR = 1
N_GLUSTER = 0
machines = list(chain(
expand(zk, N_ZK),
expand(master, N_MASTER),
expand(data, N_DATA),
expand(frontend, N_FRONTEND),
expand(loadbalancer, N_LOADBALANCER),
expand(monitor, N_MONITOR),
expand(gluster, N_GLUSTER)
))
zookeepers = group('zookeepernodes', [(zk, xrange(N_ZK))])
namenodes = group('namenodes', [(master, [0,1])])
journalnodes = group('journalnodes', [(master, xrange(N_MASTER))])
historyservers = group('historyservernodes', [(master, [2])])
resourcemanagers = group('resourcemanagernodes', [(master, xrange(N_MASTER))])
datanodes = group('datanodes', [(data, xrange(N_DATA))])
frontends = group('frontendnodes', [(frontend, xrange(N_FRONTEND))])
glusternodes = group('glusternodes', [(gluster, xrange(N_GLUSTER))])
hadoopnodes = combine('hadoopnodes', namenodes, datanodes,
journalnodes, historyservers)
loadbalancer = group('loadbalancernodes', [(loadbalancer,
xrange(N_LOADBALANCER))])
monitor = group('monitornodes', [(monitor, xrange(N_MONITOR))])
inventory = [
zookeepers,
namenodes,
journalnodes,
historyservers,
resourcemanagers,
datanodes,
frontends,
glusternodes,
hadoopnodes,
loadbalancer,
monitor,
]
spec = {
'defaults': defaults,
'machines': machines,
'inventory': inventory,
}