def get_dmg_command(self, index=0):
"""Get a DmgCommand setup to interact with server manager index.
Return a DmgCommand object configured with:
- the "-l" parameter assigned to the server's access point list
- the "-i" parameter assigned to the server's interactive mode
This method is intended to be used by tests that wants to use dmg to
create and destroy pool. Pass in the object to TestPool constructor.
Access point should be passed in to -l regardless of the number of
servers.
Args:
index (int, optional): Server index. Defaults to 0.
Returns:
DmgCommand: New DmgCommand object.
"""
if self.server_managers:
return self.server_managers[index].dmg
dmg_config_file = self.get_config_file("daos", "dmg")
dmg_cfg = DmgYamlParameters(dmg_config_file, self.server_group,
DmgTransportCredentials(self.workdir))
dmg_cfg.hostlist.update(self.hostlist_servers[:1], "dmg.yaml.hostlist")
return DmgCommand(self.bin, dmg_cfg)
def get_dmg_command(group, cert_dir, bin_dir, config_file, config_temp=None):
"""Get a dmg command object.
Args:
group (str): daos_server group name
cert_dir (str): directory in which to copy certificates
bin_dir (str): location of the dmg executable
config_file (str): configuration file name and path
config_temp (str, optional): file name and path to use to generate the
configuration file locally and then copy it to all the hosts using
the config_file specification. Defaults to None, which creates and
utilizes the file specified by config_file.
Returns:
DmgCommand: the dmg command object
"""
transport_config = DmgTransportCredentials(cert_dir)
config = DmgYamlParameters(config_file, group, transport_config)
command = DmgCommand(bin_dir, config)
if config_temp:
# Setup the DaosServerCommand to write the config file data to the
# temporary file and then copy the file to all the hosts using the
# assigned filename
command.temporary_file = config_temp
return command
def add_server_manager(self,
config_file=None,
dmg_config_file=None,
common_cfg=None,
timeout=20):
"""Add a new daos server manager object to the server manager list.
When adding multiple server managers unique yaml config file names
and common config setting (due to the server group name) should be used.
Args:
config_file (str, optional): daos server config file name. Defaults
to None, which will use a default file name.
dmg_config_file (str, optional): dmg config file name. Defaults
to None, which will use a default file name.
common_cfg (CommonConfig, optional): daos server config file
settings shared between the agent and server. Defaults to None,
which uses the class CommonConfig.
timeout (int, optional): number of seconds to wait for the daos
server to start before reporting an error. Defaults to 60.
"""
self.log.info("--- ADDING SERVER MANAGER ---")
# Setup defaults
if config_file is None:
config_file = self.get_config_file("daos", "server")
if common_cfg is None:
common_cfg = CommonConfig(
self.server_group,
DaosServerTransportCredentials(self.workdir))
if dmg_config_file is None:
dmg_config_file = self.get_config_file("daos", "dmg")
transport_dmg = DmgTransportCredentials(self.workdir)
dmg_cfg = DmgYamlParameters(dmg_config_file, self.server_group,
transport_dmg)
# Create a ServerCommand to manage with a new ServerManager object
server_cfg = DaosServerYamlParameters(config_file, common_cfg)
server_cmd = DaosServerCommand(self.bin, server_cfg, timeout)
self.server_managers.append(
DaosServerManager(server_cmd, self.manager_class, dmg_cfg))