def parse_value(self, value: FilterHTTPVariables) -> Labels:
# Do not restrict to a certain number, because we'd like to link to this
# via an URL, e.g. from the virtual host tree snapin
num = 0
while (this_tag :=
value.get("%s_%d" % (self.var_prefix, num))) is not None:
if this_tag:
negate = bool(value.get("%s_%d_neg" % (self.var_prefix, num)))
yield Label(this_tag, this_tag, negate)
num += 1
def filter(self, value: FilterHTTPVariables) -> FilterHeader:
if filter_value := value.get(self.request_vars[0]):
return encode_labels_for_livestatus(
column=self.column,
labels=[
Label(
f"cmk/kubernetes/{self._kubernetes_object_type}",
filter_value,
False,
)
],
)
def parse_value(self, value: FilterHTTPVariables) -> Labels:
# Do not restrict to a certain number, because we'd like to link to this
# via an URL, e.g. from the virtual host tree snapin
num = 0
while value.get("%s_%d_grp" % (self.var_prefix, num)):
prefix = "%s_%d" % (self.var_prefix, num)
num += 1
op = value.get(prefix + "_op")
tag_group = active_config.tags.get_tag_group(
value.get(prefix + "_grp", ""))
if tag_group and op:
tag = value.get(prefix + "_val", "")
yield Label(tag_group.id, tag, negate=op != "is")
def _query_callback(
sites_live: MultiSiteConnection) -> Collection[LivestatusColumn]:
"""
we search for hosts having a certain label
('cmk/kubernets/object:{object_type}') and want a list of unique labels
values of labels with the key label_name.
"""
label_filter = encode_label_for_livestatus(
column="labels",
label=Label("cmk/kubernetes/object", object_type, False),
)
query = f"GET hosts\nColumns: labels\n{label_filter}"
query_result = sites_live.query_column(query)
label_values = set()
for element in query_result:
for label_key, label_value in element.items():
if label_key == label_name:
label_values.add(label_value)
return label_values