def change_master(cluster_name, pg_id, host):
print magenta("\n[%s] Change master, PG:%d" % (host ,pg_id))
# Get candidates for master
candidates = []
pgs_list = cm.get_pgs_list(cluster_name, pg_id)
for id, data in pgs_list.items():
if data['smr_role'] == 'S' and data['hb'] == 'Y':
active_role = get_role_of_smr(data['ip'], data['mgmt_port'], verbose=False)
if active_role != data['smr_role']:
warn(red("[%s] Change master fail, PGS '%d' has invalid state. %s(%s)" %
(host, id, data['smr_role'], active_role )))
return False
candidates.append(data)
# Check candidates
if len(candidates) == 0:
warn(red("[%s] Change master fail, PG '%d' doesn't have any slave." % (host, pg_id)))
return False
pgs_id = random.choice(candidates)['pgs_id']
master_id = cm.role_change(cluster_name, pgs_id, host)
if master_id == -1:
warn(red("[%s] Change master fail." % host))
return False
print green("[%s] Change master success, PG:%d, MASTER:%d" % (host, pg_id, master_id))
return True
def show_pgs_list(cluster_name, pg_id, print_header, cluster_json=None):
# Check cluster
if cluster_json == None:
cluster_json = cm.cluster_info(cluster_name)
if cluster_json == None:
return False
exist = [k for loop_pg_data in cluster_json['data']['pg_list']
for k, v in loop_pg_data.iteritems() if k == 'pg_id' and int(v) == pg_id]
if len(exist) == 0:
warn(red("PG '%d' doesn't exist." % pg_id))
return True
# get specific pg info
pg = cm.pg_info(cluster_name, pg_id, cluster_json)
if print_header:
print yellow(PG_PARTITION[:-1] + PGS_PARTITION)
print yellow(PG_COLUMN[:-1] + PGS_COLUMN)
print yellow(PG_PARTITION[:-1] + PGS_PARTITION)
# get all pgs info
pgs_list = cm.get_pgs_list(cluster_name, pg_id, cluster_json)
if None == pgs_list:
print yellow('| %-57s |' % ("There is no PGS in PG '%d'." % pg_id))
print yellow(PG_PARTITION[:-1] + PGS_PARTITION)
return True
for id, data in pgs_list.items():
data['active_role'] = util.get_role_of_smr(data['ip'], data['mgmt_port'], verbose=False)
if data['active_role'] == 'M':
data['quorum'] = remote.get_quorum(data)
else:
data['quorum'] = ''
pgs_state = True
begin = True
for pgs_id, pgs in sorted(pgs_list.items(), key=lambda x: int(x[0])):
if pgs['active_role'] == 'M':
bold = True
else:
bold = False
if begin:
prefix_pg = PG_FORMAT[:-1] % pg
begin = False
else:
prefix_pg = PG_PREFIX[:-1]
if pgs['active_role'] != pgs['smr_role']:
print yellow(prefix_pg[:-1]), magenta(PGS_FORMAT % pgs)
pgs_state = False
elif pgs['active_role'] == 'M' or pgs['active_role'] == 'S':
print yellow(prefix_pg[:-1]), yellow(PGS_FORMAT % pgs, bold)
else:
print yellow(prefix_pg[:-1]), red(PGS_FORMAT % pgs)
pgs_state = False
print yellow(PG_PARTITION[:-1] + PGS_PARTITION)
return pgs_state
def change_master(cluster_name, pg_id, host):
print magenta("\n[%s] Change master, PG:%d" % (host ,pg_id))
# Get candidates for master
candidates = []
pgs_list = cm.get_pgs_list(cluster_name, pg_id)
for id, data in pgs_list.items():
if data['smr_role'] == 'S' and data['hb'] == 'Y':
active_role = get_role_of_smr(data['ip'], data['mgmt_port'], verbose=False)
if active_role != data['smr_role']:
warn(red("[%s] Change master fail, PGS '%d' has invalid state. %s(%s)" %
(host, id, data['smr_role'], active_role )))
return False
candidates.append(data)
# Check candidates
if len(candidates) == 0:
warn(red("[%s] Change master fail, PG '%d' doesn't have any slave." % (host, pg_id)))
return False
pgs_id = random.choice(candidates)['pgs_id']
master_id = cm.role_change(cluster_name, pgs_id, host)
if master_id == -1:
warn(red("[%s] Change master fail." % host))
return False
print green("[%s] Change master success, PG:%d, MASTER:%d" % (host, pg_id, master_id))
return True
def get_worker_pgs(cluster_name, pg_id, job_id):
out_pgs_list = cm.get_pgs_list(cluster_name, pg_id)
if out_pgs_list.cm == False:
log_error("%s mgmt-cc error." % BACKUP, job_id)
return None
# First, check a slave
slaves = find_in_map_of_dicts(out_pgs_list.json, "smr_role", "S")
if len(slaves) > 0:
return slaves[0]
# If any slave isn't available, it checks the master
master = find_in_map_of_dicts(out_pgs_list.json, "smr_role", "M")
if len(master) > 0:
return master[0]
log_error('%s there is no available PGS. JOB_ID:%s, PG_ID:%d' % (BACKUP, job_id, pg_id), job_id)
return None
def get_worker_pgs(cluster_name, pg_id, job_id):
out_pgs_list = cm.get_pgs_list(cluster_name, pg_id)
if out_pgs_list.cm == False:
log_error("%s mgmt-cc error." % BACKUP, job_id)
return None
# First, check a slave
slaves = find_in_map_of_dicts(out_pgs_list.json, "smr_role", "S")
if len(slaves) > 0:
return slaves[0]
# If any slave isn't available, it checks the master
master = find_in_map_of_dicts(out_pgs_list.json, "smr_role", "M")
if len(master) > 0:
return master[0]
log_error(
'%s there is no available PGS. JOB_ID:%s, PG_ID:%d' %
(BACKUP, job_id, pg_id), job_id)
return None
def show_pgs_list(cluster_name, pg_id, print_header, cluster_json=None):
# Check cluster
if cluster_json == None:
cluster_json = cm.cluster_info(cluster_name)
if cluster_json == None:
return False
exist = [
k for loop_pg_data in cluster_json['data']['pg_list']
for k, v in loop_pg_data.iteritems()
if k == 'pg_id' and int(v) == pg_id
]
if len(exist) == 0:
warn(red("PG '%d' doesn't exist." % pg_id))
return True
# get specific pg info
pg = cm.pg_info(cluster_name, pg_id, cluster_json)
if print_header:
print yellow(PG_PARTITION[:-1] + PGS_PARTITION)
print yellow(PG_COLUMN[:-1] + PGS_COLUMN)
print yellow(PG_PARTITION[:-1] + PGS_PARTITION)
# get all pgs info
pgs_list = cm.get_pgs_list(cluster_name, pg_id, cluster_json)
if None == pgs_list:
print yellow('| %-57s |' % ("There is no PGS in PG '%d'." % pg_id))
print yellow(PG_PARTITION[:-1] + PGS_PARTITION)
return True
for id, data in pgs_list.items():
# Get active role
data['active_role'] = util.get_role_of_smr(data['ip'],
data['mgmt_port'],
verbose=False)
if data['active_role'] == 'M':
data['quorum'] = remote.get_quorum(data)
else:
data['quorum'] = ''
# Get memlog
host = config.USERNAME + '@' + data['ip'].encode('ascii')
with settings(hide('warnings', 'running', 'stdout', 'user'),
hosts=[host]):
data['memlog'] = execute(remote.exist_smr_memlog,
data['smr_base_port'])[host]
pgs_state = True
begin = True
for pgs_id, pgs in sorted(pgs_list.items(), key=lambda x: int(x[0])):
if pgs['active_role'] == 'M':
bold = True
else:
bold = False
if begin:
prefix_pg = PG_FORMAT[:-1] % pg
begin = False
else:
prefix_pg = PG_PREFIX[:-1]
if pgs['active_role'] != pgs['smr_role']:
print yellow(prefix_pg[:-1]), magenta(PGS_FORMAT % pgs)
pgs_state = False
elif pgs['active_role'] == 'M' or pgs['active_role'] == 'S':
print yellow(prefix_pg[:-1]), yellow(PGS_FORMAT % pgs, bold)
else:
print yellow(prefix_pg[:-1]), red(PGS_FORMAT % pgs)
pgs_state = False
print yellow(PG_PARTITION[:-1] + PGS_PARTITION)
return pgs_state