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()
# cluster opcodes
+class OpPostInitCluster(OpCode):
+ """Post cluster initialization.
+
+ This opcode does not touch the cluster at all. Its purpose is to run hooks
+ after the cluster has been initialized.
+
+ """
+ OP_ID = "OP_CLUSTER_POST_INIT"
+ __slots__ = OpCode.__slots__ + []
+
+
class OpDestroyCluster(OpCode):
"""Destroy the cluster.
"""
OP_ID = "OP_CLUSTER_VERIFY"
- __slots__ = OpCode.__slots__ + ["skip_checks"]
+ __slots__ = OpCode.__slots__ + ["skip_checks", "verbose", "error_codes",
+ "debug_simulate_errors"]
class OpVerifyDisks(OpCode):
__slots__ = OpCode.__slots__ + []
+class OpRepairDiskSizes(OpCode):
+ """Verify the disk sizes of the instances and fixes configuration
+ mimatches.
+
+ Parameters: optional instances list, in case we want to restrict the
+ checks to only a subset of the instances.
+
+ Result: a list of tuples, (instance, disk, new-size) for changed
+ configurations.
+
+ In normal operation, the list should be empty.
+
+ @type instances: list
+ @ivar instances: the list of instances to check, or empty for all instances
+
+ """
+ OP_ID = "OP_CLUSTER_REPAIR_DISK_SIZES"
+ __slots__ = ["instances"]
+
+
class OpQueryConfigValues(OpCode):
"""Query cluster configuration values."""
OP_ID = "OP_CLUSTER_CONFIG_QUERY"
__slots__ = OpCode.__slots__ + ["nodes", "output_fields"]
+class OpQueryNodeStorage(OpCode):
+ """Get information on storage for node(s)."""
+ OP_ID = "OP_NODE_QUERY_STORAGE"
+ __slots__ = OpCode.__slots__ + [
+ "nodes",
+ "storage_type",
+ "name",
+ "output_fields",
+ ]
+
+
+class OpModifyNodeStorage(OpCode):
+ """"""
+ OP_ID = "OP_NODE_MODIFY_STORAGE"
+ __slots__ = OpCode.__slots__ + [
+ "node_name",
+ "storage_type",
+ "name",
+ "changes",
+ ]
+
+
+class OpRepairNodeStorage(OpCode):
+ """Repairs the volume group on a node."""
+ OP_ID = "OP_REPAIR_NODE_STORAGE"
+ OP_DSC_FIELD = "node_name"
+ __slots__ = OpCode.__slots__ + [
+ "node_name",
+ "storage_type",
+ "name",
+ ]
+
+
class OpSetNodeParams(OpCode):
"""Change the parameters of a node."""
OP_ID = "OP_NODE_SET_PARAMS"
"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):
__slots__ = OpCode.__slots__ + ["instance_name", "live", "cleanup"]
+class OpMoveInstance(OpCode):
+ """Move an instance.
+
+ This move (with shutting down an instance and data copying) to an
+ arbitrary node.
+
+ @ivar instance_name: the name of the instance
+ @ivar target_node: the destination node
+
+ """
+ OP_ID = "OP_INSTANCE_MOVE"
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + ["instance_name", "target_node"]
+
+
class OpConnectConsole(OpCode):
"""Connect to an instance's console."""
OP_ID = "OP_INSTANCE_CONSOLE"
"""Activate an instance's disks."""
OP_ID = "OP_INSTANCE_ACTIVATE_DISKS"
OP_DSC_FIELD = "instance_name"
- __slots__ = OpCode.__slots__ + ["instance_name"]
+ __slots__ = OpCode.__slots__ + ["instance_name", "ignore_size"]
class OpDeactivateInstanceDisks(OpCode):
__slots__ = OpCode.__slots__ + ["instance_name"]
+class OpRecreateInstanceDisks(OpCode):
+ """Deactivate an instance's disks."""
+ OP_ID = "OP_INSTANCE_RECREATE_DISKS"
+ OP_DSC_FIELD = "instance_name"
+ __slots__ = OpCode.__slots__ + ["instance_name", "disks"]
+
+
class OpQueryInstances(OpCode):
"""Compute the list of instances."""
OP_ID = "OP_INSTANCE_QUERY"
"mem_size", "disks", "disk_template",
"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"))])