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_NODE,
GQ_INST) = range(200, 203)
+(CQ_CONFIG,
+ CQ_QUEUE_DRAINED,
+ CQ_WATCHER_PAUSE) = range(300, 303)
+
# Query field flags
QFF_HOSTNAME = 0x01
QFF_IP_ADDRESS = 0x02
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.
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()
#: 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,