from this class should override OP_ID.
@cvar OP_ID: The ID of this opcode. This should be unique amongst all
- childre of this class.
+ children of this class.
+ @ivar dry_run: Whether the LU should be run in dry-run mode, i.e. just
+ the check steps
"""
OP_ID = "OP_ABSTRACT"
- __slots__ = []
+ __slots__ = BaseOpCode.__slots__ + ["dry_run"]
def __getstate__(self):
"""Specialized getstate for opcodes.
raise ValueError("Invalid data to LoadOpcode, missing OP_ID")
op_id = data["OP_ID"]
op_class = None
- for item in globals().values():
- if (isinstance(item, type) and
- issubclass(item, cls) and
- hasattr(item, "OP_ID") and
- getattr(item, "OP_ID") == op_id):
- op_class = item
- break
- if op_class is None:
+ if op_id in OP_MAPPING:
+ op_class = OP_MAPPING[op_id]
+ else:
raise ValueError("Invalid data to LoadOpCode: OP_ID %s unsupported" %
op_id)
op = op_class()
op.__setstate__(new_data)
return op
+ def Summary(self):
+ """Generates a summary description of this opcode.
+
+ """
+ # all OP_ID start with OP_, we remove that
+ txt = self.OP_ID[3:]
+ field_name = getattr(self, "OP_DSC_FIELD", None)
+ if field_name:
+ field_value = getattr(self, field_name, None)
+ txt = "%s(%s)" % (txt, field_value)
+ return txt
+
+
+# cluster opcodes
class OpDestroyCluster(OpCode):
"""Destroy the cluster.
"""
OP_ID = "OP_CLUSTER_DESTROY"
- __slots__ = []
+ __slots__ = OpCode.__slots__ + []
class OpQueryClusterInfo(OpCode):
"""Query cluster information."""
OP_ID = "OP_CLUSTER_QUERY"
- __slots__ = []
+ __slots__ = OpCode.__slots__ + []
class OpVerifyCluster(OpCode):
"""
OP_ID = "OP_CLUSTER_VERIFY"
- __slots__ = ["skip_checks"]
+ __slots__ = OpCode.__slots__ + ["skip_checks"]
class OpVerifyDisks(OpCode):
Parameters: none
- Result: two lists:
+ Result: a tuple of four elements:
- list of node names with bad data returned (unreachable, etc.)
- dict of node names with broken volume groups (values: error msg)
- list of instances with degraded disks (that should be activated)
"""
OP_ID = "OP_CLUSTER_VERIFY_DISKS"
- __slots__ = []
+ __slots__ = OpCode.__slots__ + []
-class OpDumpClusterConfig(OpCode):
- """Dump the cluster configuration."""
- OP_ID = "OP_CLUSTER_DUMPCONFIG"
- __slots__ = []
+class OpQueryConfigValues(OpCode):
+ """Query cluster configuration values."""
+ OP_ID = "OP_CLUSTER_CONFIG_QUERY"
+ __slots__ = OpCode.__slots__ + ["output_fields"]
class OpRenameCluster(OpCode):
"""
OP_ID = "OP_CLUSTER_RENAME"
- __slots__ = ["name"]
+ OP_DSC_FIELD = "name"
+ __slots__ = OpCode.__slots__ + ["name"]
class OpSetClusterParams(OpCode):
"""
OP_ID = "OP_CLUSTER_SET_PARAMS"
- __slots__ = ["vg_name"]
+ __slots__ = OpCode.__slots__ + [
+ "vg_name",
+ "enabled_hypervisors",
+ "hvparams",
+ "beparams",
+ "nicparams",
+ "candidate_pool_size",
+ ]
+class OpRedistributeConfig(OpCode):
+ """Force a full push of the cluster configuration.
+
+ """
+ OP_ID = "OP_CLUSTER_REDIST_CONF"
+ __slots__ = OpCode.__slots__ + [
+ ]
+
# node opcodes
class OpRemoveNode(OpCode):
"""
OP_ID = "OP_NODE_REMOVE"
- __slots__ = ["node_name"]
+ OP_DSC_FIELD = "node_name"
+ __slots__ = OpCode.__slots__ + ["node_name"]
class OpAddNode(OpCode):
"""
OP_ID = "OP_NODE_ADD"
- __slots__ = ["node_name", "primary_ip", "secondary_ip", "readd"]
+ OP_DSC_FIELD = "node_name"
+ __slots__ = OpCode.__slots__ + [
+ "node_name", "primary_ip", "secondary_ip", "readd",
+ ]
class OpQueryNodes(OpCode):
"""Compute the list of nodes."""
OP_ID = "OP_NODE_QUERY"
- __slots__ = ["output_fields", "names"]
+ __slots__ = OpCode.__slots__ + ["output_fields", "names", "use_locking"]
class OpQueryNodeVolumes(OpCode):
"""Get list of volumes on node."""
OP_ID = "OP_NODE_QUERYVOLS"
- __slots__ = ["nodes", "output_fields"]
+ __slots__ = OpCode.__slots__ + ["nodes", "output_fields"]
+
+
+class OpSetNodeParams(OpCode):
+ """Change the parameters of a node."""
+ OP_ID = "OP_NODE_SET_PARAMS"
+ OP_DSC_FIELD = "node_name"
+ __slots__ = OpCode.__slots__ + [
+ "node_name",
+ "force",
+ "master_candidate",
+ "offline",
+ "drained",
+ ]
+
+
+class OpPowercycleNode(OpCode):
+ """Tries to powercycle a node."""
+ OP_ID = "OP_NODE_POWERCYCLE"
+ OP_DSC_FIELD = "node_name"
+ __slots__ = OpCode.__slots__ + [
+ "node_name",
+ "force",
+ ]
+
+
+class OpEvacuateNode(OpCode):
+ """Relocate secondary instances from a node."""
+ OP_ID = "OP_NODE_EVACUATE"
+ OP_DSC_FIELD = "node_name"
+ __slots__ = OpCode.__slots__ + [
+ "node_name", "remote_node", "iallocator",
+ ]
+
+
+class OpMigrateNode(OpCode):
+ """Migrate all instances from a node."""
+ OP_ID = "OP_NODE_MIGRATE"
+ OP_DSC_FIELD = "node_name"
+ __slots__ = OpCode.__slots__ + [
+ "node_name",
+ "live",
+ ]
# instance opcodes
class OpCreateInstance(OpCode):
"""Create an instance."""
OP_ID = "OP_INSTANCE_CREATE"
- __slots__ = [
- "instance_name", "mem_size", "disk_size", "os_type", "pnode",
- "disk_template", "snode", "swap_size", "mode",
- "vcpus", "ip", "bridge", "src_node", "src_path", "start",
- "wait_for_sync", "ip_check", "mac",
- "kernel_path", "initrd_path", "hvm_boot_order", "hvm_acpi",
- "hvm_pae", "hvm_cdrom_image_path", "vnc_bind_address",
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + [
+ "instance_name", "os_type", "pnode",
+ "disk_template", "snode", "mode",
+ "disks", "nics",
+ "src_node", "src_path", "start",
+ "wait_for_sync", "ip_check",
"file_storage_dir", "file_driver",
"iallocator",
+ "hypervisor", "hvparams", "beparams",
+ "dry_run",
]
class OpReinstallInstance(OpCode):
"""Reinstall an instance's OS."""
OP_ID = "OP_INSTANCE_REINSTALL"
- __slots__ = ["instance_name", "os_type"]
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + ["instance_name", "os_type"]
class OpRemoveInstance(OpCode):
"""Remove an instance."""
OP_ID = "OP_INSTANCE_REMOVE"
- __slots__ = ["instance_name", "ignore_failures"]
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + ["instance_name", "ignore_failures"]
class OpRenameInstance(OpCode):
"""Rename an instance."""
OP_ID = "OP_INSTANCE_RENAME"
- __slots__ = ["instance_name", "ignore_ip", "new_name"]
+ __slots__ = OpCode.__slots__ + [
+ "instance_name", "ignore_ip", "new_name",
+ ]
class OpStartupInstance(OpCode):
"""Startup an instance."""
OP_ID = "OP_INSTANCE_STARTUP"
- __slots__ = ["instance_name", "force", "extra_args"]
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + [
+ "instance_name", "force", "hvparams", "beparams",
+ ]
class OpShutdownInstance(OpCode):
"""Shutdown an instance."""
OP_ID = "OP_INSTANCE_SHUTDOWN"
- __slots__ = ["instance_name"]
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + ["instance_name"]
class OpRebootInstance(OpCode):
"""Reboot an instance."""
OP_ID = "OP_INSTANCE_REBOOT"
- __slots__ = ["instance_name", "reboot_type", "extra_args",
- "ignore_secondaries" ]
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + [
+ "instance_name", "reboot_type", "ignore_secondaries",
+ ]
class OpReplaceDisks(OpCode):
"""Replace the disks of an instance."""
OP_ID = "OP_INSTANCE_REPLACE_DISKS"
- __slots__ = ["instance_name", "remote_node", "mode", "disks", "iallocator"]
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + [
+ "instance_name", "remote_node", "mode", "disks", "iallocator",
+ ]
class OpFailoverInstance(OpCode):
"""Failover an instance."""
OP_ID = "OP_INSTANCE_FAILOVER"
- __slots__ = ["instance_name", "ignore_consistency"]
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + ["instance_name", "ignore_consistency"]
+
+
+class OpMigrateInstance(OpCode):
+ """Migrate an instance.
+
+ This migrates (without shutting down an instance) to its secondary
+ node.
+
+ @ivar instance_name: the name of the instance
+
+ """
+ OP_ID = "OP_INSTANCE_MIGRATE"
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + ["instance_name", "live", "cleanup"]
class OpConnectConsole(OpCode):
"""Connect to an instance's console."""
OP_ID = "OP_INSTANCE_CONSOLE"
- __slots__ = ["instance_name"]
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + ["instance_name"]
class OpActivateInstanceDisks(OpCode):
"""Activate an instance's disks."""
OP_ID = "OP_INSTANCE_ACTIVATE_DISKS"
- __slots__ = ["instance_name"]
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + ["instance_name"]
class OpDeactivateInstanceDisks(OpCode):
"""Deactivate an instance's disks."""
OP_ID = "OP_INSTANCE_DEACTIVATE_DISKS"
- __slots__ = ["instance_name"]
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + ["instance_name"]
class OpQueryInstances(OpCode):
"""Compute the list of instances."""
OP_ID = "OP_INSTANCE_QUERY"
- __slots__ = ["output_fields", "names"]
+ __slots__ = OpCode.__slots__ + ["output_fields", "names", "use_locking"]
class OpQueryInstanceData(OpCode):
"""Compute the run-time status of instances."""
OP_ID = "OP_INSTANCE_QUERY_DATA"
- __slots__ = ["instances"]
+ __slots__ = OpCode.__slots__ + ["instances", "static"]
class OpSetInstanceParams(OpCode):
"""Change the parameters of an instance."""
OP_ID = "OP_INSTANCE_SET_PARAMS"
- __slots__ = [
- "instance_name", "mem", "vcpus", "ip", "bridge", "mac",
- "kernel_path", "initrd_path", "hvm_boot_order", "hvm_acpi",
- "hvm_pae", "hvm_cdrom_image_path", "vnc_bind_address"
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + [
+ "instance_name",
+ "hvparams", "beparams", "force",
+ "nics", "disks",
]
class OpGrowDisk(OpCode):
"""Grow a disk of an instance."""
OP_ID = "OP_INSTANCE_GROW_DISK"
- __slots__ = ["instance_name", "disk", "amount"]
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + [
+ "instance_name", "disk", "amount", "wait_for_sync",
+ ]
# OS opcodes
class OpDiagnoseOS(OpCode):
"""Compute the list of guest operating systems."""
OP_ID = "OP_OS_DIAGNOSE"
- __slots__ = ["output_fields", "names"]
+ __slots__ = OpCode.__slots__ + ["output_fields", "names"]
# Exports opcodes
class OpQueryExports(OpCode):
"""Compute the list of exported images."""
OP_ID = "OP_BACKUP_QUERY"
- __slots__ = ["nodes"]
+ __slots__ = OpCode.__slots__ + ["nodes", "use_locking"]
class OpExportInstance(OpCode):
"""Export an instance."""
OP_ID = "OP_BACKUP_EXPORT"
- __slots__ = ["instance_name", "target_node", "shutdown"]
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + ["instance_name", "target_node", "shutdown"]
+
class OpRemoveExport(OpCode):
"""Remove an instance's export."""
OP_ID = "OP_BACKUP_REMOVE"
- __slots__ = ["instance_name"]
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + ["instance_name"]
+
# Tags opcodes
class OpGetTags(OpCode):
"""Returns the tags of the given object."""
OP_ID = "OP_TAGS_GET"
- __slots__ = ["kind", "name"]
+ OP_DSC_FIELD = "name"
+ __slots__ = OpCode.__slots__ + ["kind", "name"]
class OpSearchTags(OpCode):
"""Searches the tags in the cluster for a given pattern."""
OP_ID = "OP_TAGS_SEARCH"
- __slots__ = ["pattern"]
+ OP_DSC_FIELD = "pattern"
+ __slots__ = OpCode.__slots__ + ["pattern"]
class OpAddTags(OpCode):
"""Add a list of tags on a given object."""
OP_ID = "OP_TAGS_SET"
- __slots__ = ["kind", "name", "tags"]
+ __slots__ = OpCode.__slots__ + ["kind", "name", "tags"]
class OpDelTags(OpCode):
"""Remove a list of tags from a given object."""
OP_ID = "OP_TAGS_DEL"
- __slots__ = ["kind", "name", "tags"]
+ __slots__ = OpCode.__slots__ + ["kind", "name", "tags"]
# Test opcodes
"""
OP_ID = "OP_TEST_DELAY"
- __slots__ = ["duration", "on_master", "on_nodes"]
+ OP_DSC_FIELD = "duration"
+ __slots__ = OpCode.__slots__ + ["duration", "on_master", "on_nodes"]
class OpTestAllocator(OpCode):
"""
OP_ID = "OP_TEST_ALLOCATOR"
- __slots__ = [
+ OP_DSC_FIELD = "allocator"
+ __slots__ = OpCode.__slots__ + [
"direction", "mode", "allocator", "name",
"mem_size", "disks", "disk_template",
- "os", "tags", "nics", "vcpus",
+ "os", "tags", "nics", "vcpus", "hypervisor",
]
+
+OP_MAPPING = dict([(v.OP_ID, v) for v in globals().values()
+ if (isinstance(v, type) and issubclass(v, OpCode) and
+ hasattr(v, "OP_ID"))])