ganeti.ssconf

module documentation

Global Configuration data for Ganeti.

This module provides the interface to a special case of cluster configuration data, which is mostly static and available to all nodes.

Class	`SimpleStore`	Interface to static cluster data.
Function	`CheckMaster`	Checks the node setup.
Function	`GetMasterAndMyself`	Get the master node and my own hostname.
Function	`ReadSsconfFile`	Reads an ssconf file and verifies its size.
Function	`VerifyClusterName`	Verifies cluster name against a local cluster name.
Function	`VerifyKeys`	Raises an exception if unknown ssconf keys are given.
Function	`WriteSsconfFiles`	Update all ssconf files.
Constant	`SSCONF_LOCK_TIMEOUT`	Undocumented
Constant	`_MAX_SIZE`	Undocumented

def CheckMaster(debug, ss=None): ¶

Checks the node setup.

If this is the master, the function will return. Otherwise it will exit with an exit code based on the node status.

def GetMasterAndMyself(ss=None): ¶

Get the master node and my own hostname.

This can be either used for a 'soft' check (compared to CheckMaster, which exits) or just for computing both at the same time.

The function does not handle any errors, these should be handled in the caller (errors.ConfigurationError, errors.ResolverError).

Parameters
ss	either a sstore.SimpleConfigReader or a sstore.SimpleStore instance
Returns
tuple	a tuple (master node name, my own name)

def ReadSsconfFile(filename): ¶

Reads an ssconf file and verifies its size.

Parameters
filename:string	Path to file
Returns
string	File contents without newlines at the end
Raises
`RuntimeError`	When the file size exceeds `_MAX_SIZE`

def VerifyClusterName(name, _cfg_location=None): ¶

Verifies cluster name against a local cluster name.

def VerifyKeys(keys): ¶

Raises an exception if unknown ssconf keys are given.

def WriteSsconfFiles(values, dry_run=False): ¶

Update all ssconf files.

SSCONF_LOCK_TIMEOUT: int = ¶

Undocumented

Value

_MAX_SIZE = ¶

Undocumented

Value

128*1024