REPLACE_DISK_CHG = "replace_new_secondary"
REPLACE_DISK_AUTO = "replace_auto"
+NODE_EVAC_PRI = "primary-only"
+NODE_EVAC_SEC = "secondary-only"
+NODE_EVAC_ALL = "all"
+
NODE_ROLE_DRAINED = "drained"
NODE_ROLE_MASTER_CANDIATE = "master-candidate"
NODE_ROLE_MASTER = "master"
# Internal constants
_REQ_DATA_VERSION_FIELD = "__version__"
-_INST_CREATE_REQV1 = "instance-create-reqv1"
-_INST_REINSTALL_REQV1 = "instance-reinstall-reqv1"
-_NODE_MIGRATE_REQV1 = "node-migrate-reqv1"
-_NODE_EVAC_RES1 = "node-evac-res1"
_INST_NIC_PARAMS = frozenset(["mac", "ip", "mode", "link"])
_INST_CREATE_V0_DISK_PARAMS = frozenset(["size"])
_INST_CREATE_V0_PARAMS = frozenset([
"hypervisor", "file_storage_dir", "file_driver", "dry_run",
])
_INST_CREATE_V0_DPARAMS = frozenset(["beparams", "hvparams"])
+_QPARAM_DRY_RUN = "dry-run"
+_QPARAM_FORCE = "force"
+
+# Feature strings
+INST_CREATE_REQV1 = "instance-create-reqv1"
+INST_REINSTALL_REQV1 = "instance-reinstall-reqv1"
+NODE_MIGRATE_REQV1 = "node-migrate-reqv1"
+NODE_EVAC_RES1 = "node-evac-res1"
+
+# Old feature constant names in case they're references by users of this module
+_INST_CREATE_REQV1 = INST_CREATE_REQV1
+_INST_REINSTALL_REQV1 = INST_REINSTALL_REQV1
+_NODE_MIGRATE_REQV1 = NODE_MIGRATE_REQV1
+_NODE_EVAC_RES1 = NODE_EVAC_RES1
# Older pycURL versions don't have all error constants
try:
self.code = code
+def _AppendIf(container, condition, value):
+ """Appends to a list if a condition evaluates to truth.
+
+ """
+ if condition:
+ container.append(value)
+
+ return condition
+
+
+def _AppendDryRunIf(container, condition):
+ """Appends a "dry-run" parameter if a condition evaluates to truth.
+
+ """
+ return _AppendIf(container, condition, (_QPARAM_DRY_RUN, 1))
+
+
+def _AppendForceIf(container, condition):
+ """Appends a "force" parameter if a condition evaluates to truth.
+
+ """
+ return _AppendIf(container, condition, (_QPARAM_FORCE, 1))
+
+
+def _SetItemIf(container, condition, item, value):
+ """Sets an item if a condition evaluates to truth.
+
+ """
+ if condition:
+ container[item] = value
+
+ return condition
+
+
def UsesRapiClient(fn):
"""Decorator for code using RAPI client to initialize pycURL.
"""
query = [("tag", t) for t in tags]
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
return self._SendRequest(HTTP_PUT, "/%s/tags" % GANETI_RAPI_VERSION,
query, None)
"""
query = [("tag", t) for t in tags]
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
return self._SendRequest(HTTP_DELETE, "/%s/tags" % GANETI_RAPI_VERSION,
query, None)
"""
query = []
- if bulk:
- query.append(("bulk", 1))
+ _AppendIf(query, bulk, ("bulk", 1))
instances = self._SendRequest(HTTP_GET,
"/%s/instances" % GANETI_RAPI_VERSION,
"""
query = []
- if kwargs.get("dry_run"):
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, kwargs.get("dry_run"))
if _INST_CREATE_REQV1 in self.GetFeatures():
# All required fields for request data version 1
"""
query = []
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
return self._SendRequest(HTTP_DELETE,
("/%s/instances/%s" %
"""
query = []
- if ignore_size:
- query.append(("ignore_size", 1))
+ _AppendIf(query, ignore_size, ("ignore_size", 1))
return self._SendRequest(HTTP_PUT,
("/%s/instances/%s/activate-disks" %
("/%s/instances/%s/deactivate-disks" %
(GANETI_RAPI_VERSION, instance)), None, None)
+ def RecreateInstanceDisks(self, instance, disks=None, nodes=None):
+ """Recreate an instance's disks.
+
+ @type instance: string
+ @param instance: Instance name
+ @type disks: list of int
+ @param disks: List of disk indexes
+ @type nodes: list of string
+ @param nodes: New instance nodes, if relocation is desired
+ @rtype: string
+ @return: job id
+
+ """
+ body = {}
+ _SetItemIf(body, disks is not None, "disks", disks)
+ _SetItemIf(body, nodes is not None, "nodes", nodes)
+
+ return self._SendRequest(HTTP_POST,
+ ("/%s/instances/%s/recreate-disks" %
+ (GANETI_RAPI_VERSION, instance)), None, body)
+
def GrowInstanceDisk(self, instance, disk, amount, wait_for_sync=None):
"""Grows a disk of an instance.
"amount": amount,
}
- if wait_for_sync is not None:
- body["wait_for_sync"] = wait_for_sync
+ _SetItemIf(body, wait_for_sync is not None, "wait_for_sync", wait_for_sync)
return self._SendRequest(HTTP_POST,
("/%s/instances/%s/disk/%s/grow" %
"""
query = [("tag", t) for t in tags]
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
return self._SendRequest(HTTP_PUT,
("/%s/instances/%s/tags" %
"""
query = [("tag", t) for t in tags]
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
return self._SendRequest(HTTP_DELETE,
("/%s/instances/%s/tags" %
"""
query = []
- if reboot_type:
- query.append(("type", reboot_type))
- if ignore_secondaries is not None:
- query.append(("ignore_secondaries", ignore_secondaries))
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
+ _AppendIf(query, reboot_type, ("type", reboot_type))
+ _AppendIf(query, ignore_secondaries is not None,
+ ("ignore_secondaries", ignore_secondaries))
return self._SendRequest(HTTP_POST,
("/%s/instances/%s/reboot" %
"""
query = []
- if dry_run:
- query.append(("dry-run", 1))
- if no_remember:
- query.append(("no-remember", 1))
+ _AppendDryRunIf(query, dry_run)
+ _AppendIf(query, no_remember, ("no-remember", 1))
return self._SendRequest(HTTP_PUT,
("/%s/instances/%s/shutdown" %
"""
query = []
- if dry_run:
- query.append(("dry-run", 1))
- if no_remember:
- query.append(("no-remember", 1))
+ _AppendDryRunIf(query, dry_run)
+ _AppendIf(query, no_remember, ("no-remember", 1))
return self._SendRequest(HTTP_PUT,
("/%s/instances/%s/startup" %
body = {
"start": not no_startup,
}
- if os is not None:
- body["os"] = os
- if osparams is not None:
- body["osparams"] = osparams
+ _SetItemIf(body, os is not None, "os", os)
+ _SetItemIf(body, osparams is not None, "osparams", osparams)
return self._SendRequest(HTTP_POST,
("/%s/instances/%s/reinstall" %
(GANETI_RAPI_VERSION, instance)), None, body)
" for instance reinstallation")
query = []
- if os:
- query.append(("os", os))
- if no_startup:
- query.append(("nostartup", 1))
+ _AppendIf(query, os, ("os", os))
+ _AppendIf(query, no_startup, ("nostartup", 1))
+
return self._SendRequest(HTTP_POST,
("/%s/instances/%s/reinstall" %
(GANETI_RAPI_VERSION, instance)), query, None)
def ReplaceInstanceDisks(self, instance, disks=None, mode=REPLACE_DISK_AUTO,
- remote_node=None, iallocator=None, dry_run=False):
+ remote_node=None, iallocator=None):
"""Replaces disks on an instance.
@type instance: str
@type iallocator: str or None
@param iallocator: instance allocator plugin to use (for use with
replace_auto mode)
- @type dry_run: bool
- @param dry_run: whether to perform a dry run
@rtype: string
@return: job id
("mode", mode),
]
- if disks:
- query.append(("disks", ",".join(str(idx) for idx in disks)))
-
- if remote_node:
- query.append(("remote_node", remote_node))
+ # TODO: Convert to body parameters
- if iallocator:
- query.append(("iallocator", iallocator))
+ if disks is not None:
+ _AppendIf(query, True,
+ ("disks", ",".join(str(idx) for idx in disks)))
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendIf(query, remote_node is not None, ("remote_node", remote_node))
+ _AppendIf(query, iallocator is not None, ("iallocator", iallocator))
return self._SendRequest(HTTP_POST,
("/%s/instances/%s/replace-disks" %
"mode": mode,
}
- if shutdown is not None:
- body["shutdown"] = shutdown
-
- if remove_instance is not None:
- body["remove_instance"] = remove_instance
-
- if x509_key_name is not None:
- body["x509_key_name"] = x509_key_name
-
- if destination_x509_ca is not None:
- body["destination_x509_ca"] = destination_x509_ca
+ _SetItemIf(body, shutdown is not None, "shutdown", shutdown)
+ _SetItemIf(body, remove_instance is not None,
+ "remove_instance", remove_instance)
+ _SetItemIf(body, x509_key_name is not None, "x509_key_name", x509_key_name)
+ _SetItemIf(body, destination_x509_ca is not None,
+ "destination_x509_ca", destination_x509_ca)
return self._SendRequest(HTTP_PUT,
("/%s/instances/%s/export" %
"""
body = {}
-
- if mode is not None:
- body["mode"] = mode
-
- if cleanup is not None:
- body["cleanup"] = cleanup
+ _SetItemIf(body, mode is not None, "mode", mode)
+ _SetItemIf(body, cleanup is not None, "cleanup", cleanup)
return self._SendRequest(HTTP_PUT,
("/%s/instances/%s/migrate" %
"""
body = {}
-
- if iallocator is not None:
- body["iallocator"] = iallocator
-
- if ignore_consistency is not None:
- body["ignore_consistency"] = ignore_consistency
-
- if target_node is not None:
- body["target_node"] = target_node
+ _SetItemIf(body, iallocator is not None, "iallocator", iallocator)
+ _SetItemIf(body, ignore_consistency is not None,
+ "ignore_consistency", ignore_consistency)
+ _SetItemIf(body, target_node is not None, "target_node", target_node)
return self._SendRequest(HTTP_PUT,
("/%s/instances/%s/failover" %
"new_name": new_name,
}
- if ip_check is not None:
- body["ip_check"] = ip_check
-
- if name_check is not None:
- body["name_check"] = name_check
+ _SetItemIf(body, ip_check is not None, "ip_check", ip_check)
+ _SetItemIf(body, name_check is not None, "name_check", name_check)
return self._SendRequest(HTTP_PUT,
("/%s/instances/%s/rename" %
"""
query = []
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
return self._SendRequest(HTTP_DELETE,
"/%s/jobs/%s" % (GANETI_RAPI_VERSION, job_id),
"""
query = []
- if bulk:
- query.append(("bulk", 1))
+ _AppendIf(query, bulk, ("bulk", 1))
nodes = self._SendRequest(HTTP_GET, "/%s/nodes" % GANETI_RAPI_VERSION,
query, None)
def EvacuateNode(self, node, iallocator=None, remote_node=None,
dry_run=False, early_release=None,
- primary=None, secondary=None, accept_old=False):
+ mode=None, accept_old=False):
"""Evacuates instances from a Ganeti node.
@type node: str
@param dry_run: whether to perform a dry run
@type early_release: bool
@param early_release: whether to enable parallelization
- @type primary: bool
- @param primary: Whether to evacuate primary instances
- @type secondary: bool
- @param secondary: Whether to evacuate secondary instances
+ @type mode: string
+ @param mode: Node evacuation mode
@type accept_old: bool
@param accept_old: Whether caller is ready to accept old-style (pre-2.5)
results
raise GanetiApiError("Only one of iallocator or remote_node can be used")
query = []
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
if _NODE_EVAC_RES1 in self.GetFeatures():
+ # Server supports body parameters
body = {}
- if iallocator is not None:
- body["iallocator"] = iallocator
- if remote_node is not None:
- body["remote_node"] = remote_node
- if early_release is not None:
- body["early_release"] = early_release
- if primary is not None:
- body["primary"] = primary
- if secondary is not None:
- body["secondary"] = secondary
+ _SetItemIf(body, iallocator is not None, "iallocator", iallocator)
+ _SetItemIf(body, remote_node is not None, "remote_node", remote_node)
+ _SetItemIf(body, early_release is not None,
+ "early_release", early_release)
+ _SetItemIf(body, mode is not None, "mode", mode)
else:
# Pre-2.5 request format
body = None
" not accept old-style results (parameter"
" accept_old)")
- if primary or primary is None or not (secondary is None or secondary):
+ # Pre-2.5 servers can only evacuate secondaries
+ if mode is not None and mode != NODE_EVAC_SEC:
raise GanetiApiError("Server can only evacuate secondary instances")
- if iallocator:
- query.append(("iallocator", iallocator))
- if remote_node:
- query.append(("remote_node", remote_node))
- if early_release:
- query.append(("early_release", 1))
+ _AppendIf(query, iallocator, ("iallocator", iallocator))
+ _AppendIf(query, remote_node, ("remote_node", remote_node))
+ _AppendIf(query, early_release, ("early_release", 1))
return self._SendRequest(HTTP_POST,
("/%s/nodes/%s/evacuate" %
"""
query = []
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
if _NODE_MIGRATE_REQV1 in self.GetFeatures():
body = {}
- if mode is not None:
- body["mode"] = mode
- if iallocator is not None:
- body["iallocator"] = iallocator
- if target_node is not None:
- body["target_node"] = target_node
+ _SetItemIf(body, mode is not None, "mode", mode)
+ _SetItemIf(body, iallocator is not None, "iallocator", iallocator)
+ _SetItemIf(body, target_node is not None, "target_node", target_node)
assert len(query) <= 1
raise GanetiApiError("Server does not support specifying target node"
" for node migration")
- if mode is not None:
- query.append(("mode", mode))
+ _AppendIf(query, mode is not None, ("mode", mode))
return self._SendRequest(HTTP_POST,
("/%s/nodes/%s/migrate" %
@return: job id
"""
- query = [
- ("force", force),
- ]
-
- if auto_promote is not None:
- query.append(("auto-promote", auto_promote))
+ query = []
+ _AppendForceIf(query, force)
+ _AppendIf(query, auto_promote is not None, ("auto-promote", auto_promote))
return self._SendRequest(HTTP_PUT,
("/%s/nodes/%s/role" %
(GANETI_RAPI_VERSION, node)), query, role)
+ def PowercycleNode(self, node, force=False):
+ """Powercycles a node.
+
+ @type node: string
+ @param node: Node name
+ @type force: bool
+ @param force: Whether to force the operation
+ @rtype: string
+ @return: job id
+
+ """
+ query = []
+ _AppendForceIf(query, force)
+
+ return self._SendRequest(HTTP_POST,
+ ("/%s/nodes/%s/powercycle" %
+ (GANETI_RAPI_VERSION, node)), query, None)
+
def ModifyNode(self, node, **kwargs):
"""Modifies a node.
("name", name),
]
- if allocatable is not None:
- query.append(("allocatable", allocatable))
+ _AppendIf(query, allocatable is not None, ("allocatable", allocatable))
return self._SendRequest(HTTP_PUT,
("/%s/nodes/%s/storage/modify" %
"""
query = [("tag", t) for t in tags]
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
return self._SendRequest(HTTP_PUT,
("/%s/nodes/%s/tags" %
"""
query = [("tag", t) for t in tags]
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
return self._SendRequest(HTTP_DELETE,
("/%s/nodes/%s/tags" %
"""
query = []
- if bulk:
- query.append(("bulk", 1))
+ _AppendIf(query, bulk, ("bulk", 1))
groups = self._SendRequest(HTTP_GET, "/%s/groups" % GANETI_RAPI_VERSION,
query, None)
"""
query = []
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
body = {
"name": name,
"""
query = []
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
return self._SendRequest(HTTP_DELETE,
("/%s/groups/%s" %
"""
query = []
-
- if force:
- query.append(("force", 1))
-
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendForceIf(query, force)
+ _AppendDryRunIf(query, dry_run)
body = {
"nodes": nodes,
"""
query = [("tag", t) for t in tags]
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
return self._SendRequest(HTTP_PUT,
("/%s/groups/%s/tags" %
"""
query = [("tag", t) for t in tags]
- if dry_run:
- query.append(("dry-run", 1))
+ _AppendDryRunIf(query, dry_run)
return self._SendRequest(HTTP_DELETE,
("/%s/groups/%s/tags" %
(GANETI_RAPI_VERSION, group)), query, None)
- def Query(self, what, fields, filter_=None):
+ def Query(self, what, fields, qfilter=None):
"""Retrieves information about resources.
@type what: string
@param what: Resource name, one of L{constants.QR_VIA_RAPI}
@type fields: list of string
@param fields: Requested fields
- @type filter_: None or list
- @param filter_: Query filter
+ @type qfilter: None or list
+ @param qfilter: Query filter
@rtype: string
@return: job id
"fields": fields,
}
- if filter_ is not None:
- body["filter"] = filter_
+ _SetItemIf(body, qfilter is not None, "qfilter", qfilter)
+ # TODO: remove "filter" after 2.7
+ _SetItemIf(body, qfilter is not None, "filter", qfilter)
return self._SendRequest(HTTP_PUT,
("/%s/query/%s" %
query = []
if fields is not None:
- query.append(("fields", ",".join(fields)))
+ _AppendIf(query, True, ("fields", ",".join(fields)))
return self._SendRequest(HTTP_GET,
("/%s/query/%s/fields" %
projects / ganeti-local / blobdiff