Script gnt_cluster

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Script gnt_cluster

Cluster related commands

Functions

[hide private]

int

InitCluster(opts, args)
Initialize the cluster.

int

DestroyCluster(opts, args)
Destroy the cluster.

int

RenameCluster(opts, args)
Rename the cluster.

int

RedistributeConfig(opts, args)
Forces push of the cluster configuration.

int

ShowClusterVersion(opts, args)
Write version of ganeti software to the standard output.

int

ShowClusterMaster(opts, args)
Write name of master node to the standard output.

_PrintGroupedParams(paramsdict, level=1, roman=False)
Print Grouped parameters (be, nic, disk) by group.

int

ShowClusterConfig(opts, args)
Shows cluster information.

int

ClusterCopyFile(opts, args)
Copy a file from master to some nodes.

int

RunClusterCommand(opts, args)
Run a command on some nodes.

int

VerifyCluster(opts, args)
Verify integrity of cluster, performing various test on nodes.

int

VerifyDisks(opts, args)
Verify integrity of cluster disks.

int

RepairDiskSizes(opts, args)
Verify sizes of cluster disks.

int

MasterFailover(opts, args)
Failover the master node.

int

MasterPing(opts, args)
Checks if the master is alive.

int

SearchTags(opts, args)
Searches the tags on all the cluster.

_RenewCrypto(new_cluster_cert, new_rapi_cert, rapi_cert_filename, new_confd_hmac_key, new_cds, cds_filename, force)
Renews cluster certificates, keys and secrets.

RenewCrypto(opts, args)
Renews cluster certificates, keys and secrets.

int

SetClusterParams(opts, args)
Modify the cluster.

int

QueueOps(opts, args)
Queue operations.

_ShowWatcherPause(until)

int

WatcherOps(opts, args)
Watcher operations.

Variables

[hide private]

commands = {'init':(InitCluster, [ArgHost(min= 1, max= 1)], [B...

aliases = {'masterfailover': 'master-failover',}
dictionary with aliases for commands

Imports: sys, os, time, OpenSSL, opcodes, constants, errors, utils, bootstrap, ssh, objects, uidpool, compat

Function Details

[hide private]

InitCluster(opts, args)

Initialize the cluster.

Parameters:

opts - the command line options selected by the user
args (list) - should contain only one element, the desired cluster name

Returns: int

the desired exit code

Decorators:

@UsesRPC

DestroyCluster(opts, args)

Destroy the cluster.

Parameters:

opts - the command line options selected by the user
args (list) - should be an empty list

Returns: int

the desired exit code

Decorators:

@UsesRPC

RenameCluster(opts, args)

Rename the cluster.

Parameters:

opts - the command line options selected by the user
args (list) - should contain only one element, the new cluster name

Returns: int

the desired exit code

RedistributeConfig(opts, args)

Forces push of the cluster configuration.

Parameters:

opts - the command line options selected by the user
args (list) - empty list

Returns: int

the desired exit code

ShowClusterVersion(opts, args)

Write version of ganeti software to the standard output.

Parameters:

opts - the command line options selected by the user
args (list) - should be an empty list

Returns: int

the desired exit code

ShowClusterMaster(opts, args)

Write name of master node to the standard output.

Parameters:

opts - the command line options selected by the user
args (list) - should be an empty list

Returns: int

the desired exit code

_PrintGroupedParams(paramsdict, level=1, roman=False)

Print Grouped parameters (be, nic, disk) by group.

Parameters:

paramsdict (dict of dicts) - {group: {param: value, ...}, ...}
level (int) - Level of indention

ShowClusterConfig(opts, args)

Shows cluster information.

Parameters:

opts - the command line options selected by the user
args (list) - should be an empty list

Returns: int

the desired exit code

ClusterCopyFile(opts, args)

Copy a file from master to some nodes.

Parameters:

opts - the command line options selected by the user
args (list) - should contain only one element, the path of the file to be copied

Returns: int

the desired exit code

RunClusterCommand(opts, args)

Run a command on some nodes.

Parameters:

opts - the command line options selected by the user
args (list) - should contain the command to be run and its arguments

Returns: int

the desired exit code

VerifyCluster(opts, args)

Verify integrity of cluster, performing various test on nodes.

Parameters:

opts - the command line options selected by the user
args (list) - should be an empty list

Returns: int

the desired exit code

VerifyDisks(opts, args)

Verify integrity of cluster disks.

Parameters:

opts - the command line options selected by the user
args (list) - should be an empty list

Returns: int

the desired exit code

RepairDiskSizes(opts, args)

Verify sizes of cluster disks.

Parameters:

opts - the command line options selected by the user
args (list) - optional list of instances to restrict check to

Returns: int

the desired exit code

MasterFailover(opts, args)

Failover the master node.

This command, when run on a non-master node, will cause the current master to cease being master, and the non-master to become new master.

Parameters:

opts - the command line options selected by the user
args (list) - should be an empty list

Returns: int

the desired exit code

Decorators:

@UsesRPC

MasterPing(opts, args)

Checks if the master is alive.

Parameters:

opts - the command line options selected by the user
args (list) - should be an empty list

Returns: int

the desired exit code

SearchTags(opts, args)

Searches the tags on all the cluster.

Parameters:

opts - the command line options selected by the user
args (list) - should contain only one element, the tag pattern

Returns: int

the desired exit code

_RenewCrypto(new_cluster_cert, new_rapi_cert, rapi_cert_filename, new_confd_hmac_key, new_cds, cds_filename, force)

Renews cluster certificates, keys and secrets.

Parameters:

new_cluster_cert (bool) - Whether to generate a new cluster certificate
new_rapi_cert (bool) - Whether to generate a new RAPI certificate
rapi_cert_filename (string) - Path to file containing new RAPI certificate
new_confd_hmac_key (bool) - Whether to generate a new HMAC key
new_cds (bool) - Whether to generate a new cluster domain secret
cds_filename (string) - Path to file containing new cluster domain secret
force (bool) - Whether to ask user for confirmation

SetClusterParams(opts, args)

Modify the cluster.

Parameters:

opts - the command line options selected by the user
args (list) - should be an empty list

Returns: int

the desired exit code

QueueOps(opts, args)

Queue operations.

Parameters:

opts - the command line options selected by the user
args (list) - should contain only one element, the subcommand

Returns: int

the desired exit code

WatcherOps(opts, args)

Watcher operations.

Parameters:

opts - the command line options selected by the user
args (list) - should contain only one element, the subcommand

Returns: int

the desired exit code

Variables Details

[hide private]

commands

Value:

{'init':(InitCluster, [ArgHost(min= 1, max= 1)], [BACKEND_OPT, CP_SIZE
_OPT, ENABLED_HV_OPT, GLOBAL_FILEDIR_OPT, HVLIST_OPT, MAC_PREFIX_OPT, 
MASTER_NETDEV_OPT, NIC_PARAMS_OPT, NOLVM_STORAGE_OPT, NOMODIFY_ETCHOST
S_OPT, NOMODIFY_SSH_SETUP_OPT, SECONDARY_IP_OPT, VG_NAME_OPT, MAINTAIN
_NODE_HEALTH_OPT, UIDPOOL_OPT, DRBD_HELPER_OPT, NODRBD_STORAGE_OPT, DE
FAULT_IALLOCATOR_OPT], "[opts...] <cluster_name>", "Initialises a new 
cluster configuration"), 'destroy':(DestroyCluster, ARGS_NONE, [YES_DO
IT_OPT], "", "Destroy cluster"), 'rename':(RenameCluster, [ArgHost(min
...