def do(self, workflow_dict):
try:
databaseinfra = workflow_dict['databaseinfra']
driver = databaseinfra.get_driver()
sentinel = driver.get_sentinel_client()
master = sentinel.discover_master(databaseinfra.name)
master_host = master[0]
master_port = master[1]
for index, source_host in enumerate(workflow_dict['source_hosts']):
target_host = source_host.future_host
target_cs_host_attr = CS_HostAttr.objects.get(host=target_host)
script = test_bash_script_error()
script += build_start_stop_scripts()
if index < 2:
script += build_start_database_script()
script += build_start_sentinel_script()
script += build_start_http_script()
script = build_context_script({}, script)
output = {}
LOG.info(script)
return_code = exec_remote_command(server=target_host.address,
username=target_cs_host_attr.vm_user,
password=target_cs_host_attr.vm_password,
command=script,
output=output)
LOG.info(output)
if return_code != 0:
raise Exception(str(output))
for target_instance in workflow_dict['target_instances']:
if target_instance.instance_type == target_instance.REDIS:
LOG.info(
'Changing master of host: {}'.format(target_instance.address))
client = driver.get_client(target_instance)
client.slaveof(master_host, master_port)
LOG.info(
'New master: {}:{}'.format(master_host, master_port))
return True
except Exception:
traceback = full_stack()
workflow_dict['exceptions']['error_codes'].append(DBAAS_0020)
workflow_dict['exceptions']['traceback'].append(traceback)
return False
def do(self, workflow_dict):
try:
databaseinfra = workflow_dict['databaseinfra']
driver = databaseinfra.get_driver()
sentinel = driver.get_sentinel_client()
master = sentinel.discover_master(databaseinfra.name)
master_host = master[0]
master_port = master[1]
for index, source_host in enumerate(workflow_dict['source_hosts']):
target_host = source_host.future_host
target_cs_host_attr = CS_HostAttr.objects.get(host=target_host)
script = test_bash_script_error()
script += build_start_stop_scripts()
if index < 2:
script += build_start_database_script()
script += build_start_sentinel_script()
script += build_start_http_script()
script = build_context_script({}, script)
output = {}
LOG.info(script)
return_code = exec_remote_command(server=target_host.address,
username=target_cs_host_attr.vm_user,
password=target_cs_host_attr.vm_password,
command=script,
output=output)
LOG.info(output)
if return_code != 0:
raise Exception(str(output))
for target_instance in workflow_dict['target_instances']:
if target_instance.instance_type == target_instance.REDIS:
LOG.info('Changing master of host: {}'.format(target_instance.address))
client = driver.get_client(target_instance)
client.slaveof(master_host, master_port)
LOG.info('New master: {}:{}'.format(master_host, master_port))
return True
except Exception:
traceback = full_stack()
workflow_dict['exceptions']['error_codes'].append(DBAAS_0020)
workflow_dict['exceptions']['traceback'].append(traceback)
return False
def do(self, workflow_dict):
try:
databaseinfra = workflow_dict["databaseinfra"]
for index, source_host in enumerate(workflow_dict["source_hosts"]):
source_cs_host_attr = CS_HostAttr.objects.get(host=source_host)
script = test_bash_script_error()
script += build_start_stop_scripts()
if index < 2:
script += build_stop_database_script()
script += build_stop_sentinel_script()
script += build_start_http_script()
script = build_context_script({}, script)
output = {}
LOG.info(script)
return_code = exec_remote_command(
server=source_host.address,
username=source_cs_host_attr.vm_user,
password=source_cs_host_attr.vm_password,
command=script,
output=output,
)
LOG.info(output)
if return_code != 0:
raise Exception(str(output))
for source_instance in workflow_dict["source_instances"]:
if source_instance.instance_type == source_instance.REDIS_SENTINEL:
target_instance = source_instance.future_instance
reset_sentinel(
host=target_instance.hostname,
sentinel_host=target_instance.address,
sentinel_port=target_instance.port,
service_name=databaseinfra.name,
)
sleep(30)
return True
except Exception:
traceback = full_stack()
workflow_dict["exceptions"]["error_codes"].append(DBAAS_0020)
workflow_dict["exceptions"]["traceback"].append(traceback)
return False
def do(self, workflow_dict):
try:
databaseinfra = workflow_dict['databaseinfra']
for index, source_host in enumerate(workflow_dict['source_hosts']):
source_cs_host_attr = CS_HostAttr.objects.get(host=source_host)
script = test_bash_script_error()
script += build_start_stop_scripts()
if index < 2:
script += build_stop_database_script()
script += build_stop_sentinel_script()
script += build_start_http_script()
script = build_context_script({}, script)
output = {}
LOG.info(script)
return_code = exec_remote_command(server=source_host.address,
username=source_cs_host_attr.vm_user,
password=source_cs_host_attr.vm_password,
command=script,
output=output)
LOG.info(output)
if return_code != 0:
raise Exception(str(output))
for source_instance in workflow_dict['source_instances']:
if source_instance.instance_type == source_instance.REDIS_SENTINEL:
target_instance = source_instance.future_instance
reset_sentinel(host=target_instance.hostname,
sentinel_host=target_instance.address,
sentinel_port=target_instance.port,
service_name=databaseinfra.name)
sleep(30)
return True
except Exception:
traceback = full_stack()
workflow_dict['exceptions']['error_codes'].append(DBAAS_0020)
workflow_dict['exceptions']['traceback'].append(traceback)
return False
