def upgrade(new_rpm_path, local_config_dir=None, overwrite=False):
"""
Copy and upgrade a new presto-server rpm to all of the nodes in the
cluster. Retains existing node configuration.
The existing topology information is read from the config.json file.
Unlike install, there is no provision to supply topology information
interactively.
The existing cluster configuration is collected from the nodes on the
cluster and stored on the host running presto-admin. After the
presto-server packages have been upgraded, presto-admin pushes the
collected configuration back out to the hosts on the cluster.
Note that the configuration files in the presto-admin configuration
directory are not updated during upgrade.
:param new_rpm_path - The path to the new Presto RPM to
install
:param local_config_dir - (optional) Directory to store the cluster
configuration in. If not specified, a temp
directory is used.
:param overwrite - (optional) if set to True then existing
configuration will be orerwriten.
:param --nodeps - (optional) Flag to indicate if server upgrade
should ignore checking Presto rpm package
dependencies. Equivalent to adding --nodeps
flag to rpm -U.
"""
stop()
temp_config_tar = configure_cmds.gather_config_directory()
package.deploy_upgrade(new_rpm_path)
configure_cmds.deploy_config_directory(temp_config_tar)
def upgrade(new_rpm_path, local_config_dir=None, overwrite=False):
"""
Copy and upgrade a new presto-server rpm to all of the nodes in the
cluster. Retains existing node configuration.
The existing topology information is read from the config.json file.
Unlike install, there is no provision to supply topology information
interactively.
The existing cluster configuration is collected from the nodes on the
cluster and stored on the host running presto-admin. After the
presto-server packages have been upgraded, presto-admin pushes the
collected configuration back out to the hosts on the cluster.
Note that the configuration files in the presto-admin configuration
directory are not updated during upgrade.
:param new_rpm_path - The path to the new Presto RPM to
install
:param local_config_dir - (optional) Directory to store the cluster
configuration in. If not specified, a temp
directory is used.
:param overwrite - (optional) if set to True then existing
configuration will be orerwriten.
:param --nodeps - (optional) Flag to indicate if server upgrade
should ignore checking Presto rpm package
dependencies. Equivalent to adding --nodeps
flag to rpm -U.
"""
stop()
temp_config_tar = configure_cmds.gather_config_directory()
package.deploy_upgrade(new_rpm_path)
configure_cmds.deploy_config_directory(temp_config_tar)