from ganeti import compat
from ganeti import objects
from ganeti import ht
+from ganeti import runtime
from ganeti import qlang
from ganeti.constants import (QFT_UNKNOWN, QFT_TEXT, QFT_BOOL, QFT_NUMBER,
(GQ_CONFIG,
GQ_NODE,
- GQ_INST) = range(200, 203)
+ GQ_INST,
+ GQ_DISKPARAMS) = range(200, 204)
+
+(CQ_CONFIG,
+ CQ_QUEUE_DRAINED,
+ CQ_WATCHER_PAUSE) = range(300, 303)
# Query field flags
QFF_HOSTNAME = 0x01
doc=doc)
+def _StaticValueInner(value, ctx, _): # pylint: disable=W0613
+ """Returns a static value.
+
+ """
+ return value
+
+
+def _StaticValue(value):
+ """Prepares a function to return a static value.
+
+ """
+ return compat.partial(_StaticValueInner, value)
+
+
def _GetNodeRole(node, master_name):
"""Determine node role.
"""Data container for node group data queries.
"""
- def __init__(self, cluster, groups, group_to_nodes, group_to_instances):
+ def __init__(self, cluster, groups, group_to_nodes, group_to_instances,
+ want_diskparams):
"""Initializes this class.
@param cluster: Cluster object
@param group_to_nodes: Per-group list of nodes
@type group_to_instances: dict; group UUID as key
@param group_to_instances: Per-group list of (primary) instances
+ @type want_diskparams: bool
+ @param want_diskparams: Whether diskparamters should be calculated
"""
self.groups = groups
self.group_to_nodes = group_to_nodes
self.group_to_instances = group_to_instances
self.cluster = cluster
+ self.want_diskparams = want_diskparams
# Used for individual rows
self.group_ipolicy = None
self.ndparams = None
+ self.group_dp = None
def __iter__(self):
"""Iterate over all node groups.
for group in self.groups:
self.group_ipolicy = self.cluster.SimpleFillIPolicy(group.ipolicy)
self.ndparams = self.cluster.SimpleFillND(group.ndparams)
+ if self.want_diskparams:
+ self.group_dp = self.cluster.SimpleFillDP(group.diskparams)
+ else:
+ self.group_dp = None
yield group
(_MakeField("ndparams", "NDParams", QFT_OTHER,
"Node parameters"),
GQ_CONFIG, 0, lambda ctx, _: ctx.ndparams),
+ (_MakeField("diskparams", "DiskParameters", QFT_OTHER,
+ "Disk parameters (merged)"),
+ GQ_DISKPARAMS, 0, lambda ctx, _: ctx.group_dp),
+ (_MakeField("custom_diskparams", "CustomDiskParameters", QFT_OTHER,
+ "Custom disk parameters"),
+ GQ_CONFIG, 0, _GetItemAttr("diskparams")),
])
# ND parameters
return _PrepareFieldList(fields, [])
+def _JobUnavailInner(fn, ctx, (job_id, job)): # pylint: disable=W0613
+ """Return L{_FS_UNAVAIL} if job is None.
+
+ When listing specifc jobs (e.g. "gnt-job list 1 2 3"), a job may not be
+ found, in which case this function converts it to L{_FS_UNAVAIL}.
+
+ """
+ if job is None:
+ return _FS_UNAVAIL
+ else:
+ return fn(job)
+
+
+def _JobUnavail(inner):
+ """Wrapper for L{_JobUnavailInner}.
+
+ """
+ return compat.partial(_JobUnavailInner, inner)
+
+
+def _PerJobOpInner(fn, job):
+ """Executes a function per opcode in a job.
+
+ """
+ return map(fn, job.ops)
+
+
+def _PerJobOp(fn):
+ """Wrapper for L{_PerJobOpInner}.
+
+ """
+ return _JobUnavail(compat.partial(_PerJobOpInner, fn))
+
+
+def _JobTimestampInner(fn, job):
+ """Converts unavailable timestamp to L{_FS_UNAVAIL}.
+
+ """
+ timestamp = fn(job)
+
+ if timestamp is None:
+ return _FS_UNAVAIL
+ else:
+ return timestamp
+
+
+def _JobTimestamp(fn):
+ """Wrapper for L{_JobTimestampInner}.
+
+ """
+ return _JobUnavail(compat.partial(_JobTimestampInner, fn))
+
+
+def _BuildJobFields():
+ """Builds list of fields for job queries.
+
+ """
+ fields = [
+ (_MakeField("id", "ID", QFT_TEXT, "Job ID"),
+ None, 0, lambda _, (job_id, job): job_id),
+ (_MakeField("status", "Status", QFT_TEXT, "Job status"),
+ None, 0, _JobUnavail(lambda job: job.CalcStatus())),
+ (_MakeField("priority", "Priority", QFT_NUMBER,
+ ("Current job priority (%s to %s)" %
+ (constants.OP_PRIO_LOWEST, constants.OP_PRIO_HIGHEST))),
+ None, 0, _JobUnavail(lambda job: job.CalcPriority())),
+ (_MakeField("ops", "OpCodes", QFT_OTHER, "List of all opcodes"),
+ None, 0, _PerJobOp(lambda op: op.input.__getstate__())),
+ (_MakeField("opresult", "OpCode_result", QFT_OTHER,
+ "List of opcodes results"),
+ None, 0, _PerJobOp(operator.attrgetter("result"))),
+ (_MakeField("opstatus", "OpCode_status", QFT_OTHER,
+ "List of opcodes status"),
+ None, 0, _PerJobOp(operator.attrgetter("status"))),
+ (_MakeField("oplog", "OpCode_log", QFT_OTHER,
+ "List of opcode output logs"),
+ None, 0, _PerJobOp(operator.attrgetter("log"))),
+ (_MakeField("opstart", "OpCode_start", QFT_OTHER,
+ "List of opcode start timestamps (before acquiring locks)"),
+ None, 0, _PerJobOp(operator.attrgetter("start_timestamp"))),
+ (_MakeField("opexec", "OpCode_exec", QFT_OTHER,
+ "List of opcode execution start timestamps (after acquiring"
+ " locks)"),
+ None, 0, _PerJobOp(operator.attrgetter("exec_timestamp"))),
+ (_MakeField("opend", "OpCode_end", QFT_OTHER,
+ "List of opcode execution end timestamps"),
+ None, 0, _PerJobOp(operator.attrgetter("end_timestamp"))),
+ (_MakeField("oppriority", "OpCode_prio", QFT_OTHER,
+ "List of opcode priorities"),
+ None, 0, _PerJobOp(operator.attrgetter("priority"))),
+ (_MakeField("received_ts", "Received", QFT_OTHER,
+ "Timestamp of when job was received"),
+ None, 0, _JobTimestamp(operator.attrgetter("received_timestamp"))),
+ (_MakeField("start_ts", "Start", QFT_OTHER,
+ "Timestamp of job start"),
+ None, 0, _JobTimestamp(operator.attrgetter("start_timestamp"))),
+ (_MakeField("end_ts", "End", QFT_OTHER,
+ "Timestamp of job end"),
+ None, 0, _JobTimestamp(operator.attrgetter("end_timestamp"))),
+ (_MakeField("summary", "Summary", QFT_OTHER,
+ "List of per-opcode summaries"),
+ None, 0, _PerJobOp(lambda op: op.input.Summary())),
+ ]
+
+ return _PrepareFieldList(fields, [])
+
+
+def _GetExportName(_, (node_name, expname)): # pylint: disable=W0613
+ """Returns an export name if available.
+
+ """
+ if expname is None:
+ return _FS_UNAVAIL
+ else:
+ return expname
+
+
+def _BuildExportFields():
+ """Builds list of fields for exports.
+
+ """
+ fields = [
+ (_MakeField("node", "Node", QFT_TEXT, "Node name"),
+ None, QFF_HOSTNAME, lambda _, (node_name, expname): node_name),
+ (_MakeField("export", "Export", QFT_TEXT, "Export name"),
+ None, 0, _GetExportName),
+ ]
+
+ return _PrepareFieldList(fields, [])
+
+
+_CLUSTER_VERSION_FIELDS = {
+ "software_version": ("SoftwareVersion", QFT_TEXT, constants.RELEASE_VERSION,
+ "Software version"),
+ "protocol_version": ("ProtocolVersion", QFT_NUMBER,
+ constants.PROTOCOL_VERSION,
+ "RPC protocol version"),
+ "config_version": ("ConfigVersion", QFT_NUMBER, constants.CONFIG_VERSION,
+ "Configuration format version"),
+ "os_api_version": ("OsApiVersion", QFT_NUMBER, max(constants.OS_API_VERSIONS),
+ "API version for OS template scripts"),
+ "export_version": ("ExportVersion", QFT_NUMBER, constants.EXPORT_VERSION,
+ "Import/export file format version"),
+ }
+
+
+_CLUSTER_SIMPLE_FIELDS = {
+ "cluster_name": ("Name", QFT_TEXT, QFF_HOSTNAME, "Cluster name"),
+ "master_node": ("Master", QFT_TEXT, QFF_HOSTNAME, "Master node name"),
+ "volume_group_name": ("VgName", QFT_TEXT, 0, "LVM volume group name"),
+ }
+
+
+class ClusterQueryData:
+ def __init__(self, cluster, drain_flag, watcher_pause):
+ """Initializes this class.
+
+ @type cluster: L{objects.Cluster}
+ @param cluster: Instance of cluster object
+ @type drain_flag: bool
+ @param drain_flag: Whether job queue is drained
+ @type watcher_pause: number
+ @param watcher_pause: Until when watcher is paused (Unix timestamp)
+
+ """
+ self._cluster = cluster
+ self.drain_flag = drain_flag
+ self.watcher_pause = watcher_pause
+
+ def __iter__(self):
+ return iter([self._cluster])
+
+
+def _ClusterWatcherPause(ctx, _):
+ """Returns until when watcher is paused (if available).
+
+ """
+ if ctx.watcher_pause is None:
+ return _FS_UNAVAIL
+ else:
+ return ctx.watcher_pause
+
+
+def _BuildClusterFields():
+ """Builds list of fields for cluster information.
+
+ """
+ fields = [
+ (_MakeField("tags", "Tags", QFT_OTHER, "Tags"), CQ_CONFIG, 0,
+ lambda ctx, cluster: list(cluster.GetTags())),
+ (_MakeField("architecture", "ArchInfo", QFT_OTHER,
+ "Architecture information"), None, 0,
+ lambda ctx, _: runtime.GetArchInfo()),
+ (_MakeField("drain_flag", "QueueDrained", QFT_BOOL,
+ "Flag whether job queue is drained"), CQ_QUEUE_DRAINED, 0,
+ lambda ctx, _: ctx.drain_flag),
+ (_MakeField("watcher_pause", "WatcherPause", QFT_TIMESTAMP,
+ "Until when watcher is paused"), CQ_WATCHER_PAUSE, 0,
+ _ClusterWatcherPause),
+ ]
+
+ # Simple fields
+ fields.extend([
+ (_MakeField(name, title, kind, doc), CQ_CONFIG, flags, _GetItemAttr(name))
+ for (name, (title, kind, flags, doc)) in _CLUSTER_SIMPLE_FIELDS.items()
+ ])
+
+ # Version fields
+ fields.extend([
+ (_MakeField(name, title, kind, doc), None, 0, _StaticValue(value))
+ for (name, (title, kind, value, doc)) in _CLUSTER_VERSION_FIELDS.items()
+ ])
+
+ # Add timestamps
+ fields.extend(_GetItemTimestampFields(CQ_CONFIG))
+
+ return _PrepareFieldList(fields, [
+ ("name", "cluster_name"),
+ ])
+
+
+#: Fields for cluster information
+CLUSTER_FIELDS = _BuildClusterFields()
+
#: Fields available for node queries
NODE_FIELDS = _BuildNodeFields()
#: Fields available for operating system queries
OS_FIELDS = _BuildOsFields()
+#: Fields available for job queries
+JOB_FIELDS = _BuildJobFields()
+
+#: Fields available for exports
+EXPORT_FIELDS = _BuildExportFields()
+
#: All available resources
ALL_FIELDS = {
+ constants.QR_CLUSTER: CLUSTER_FIELDS,
constants.QR_INSTANCE: INSTANCE_FIELDS,
constants.QR_NODE: NODE_FIELDS,
constants.QR_LOCK: LOCK_FIELDS,
constants.QR_GROUP: GROUP_FIELDS,
constants.QR_OS: OS_FIELDS,
+ constants.QR_JOB: JOB_FIELDS,
+ constants.QR_EXPORT: EXPORT_FIELDS,
}
#: All available field lists