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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 11:19:16 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-24 09:53:24 +0000 |
commit | b5f8ee61a7f7e9bd291dd26b0585d03eb686c941 (patch) | |
tree | d4d31289c39fc00da064a825df13a0b98ce95b10 /src/go/collectors/go.d.plugin/pkg/prometheus/selector/selector.go | |
parent | Adding upstream version 1.44.3. (diff) | |
download | netdata-b5f8ee61a7f7e9bd291dd26b0585d03eb686c941.tar.xz netdata-b5f8ee61a7f7e9bd291dd26b0585d03eb686c941.zip |
Adding upstream version 1.46.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/go/collectors/go.d.plugin/pkg/prometheus/selector/selector.go | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/pkg/prometheus/selector/selector.go b/src/go/collectors/go.d.plugin/pkg/prometheus/selector/selector.go new file mode 100644 index 000000000..28203fca1 --- /dev/null +++ b/src/go/collectors/go.d.plugin/pkg/prometheus/selector/selector.go @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +package selector + +import ( + "github.com/netdata/netdata/go/go.d.plugin/pkg/matcher" + + "github.com/prometheus/prometheus/model/labels" +) + +type Selector interface { + Matches(lbs labels.Labels) bool +} + +const ( + OpEqual = "=" + OpNegEqual = "!=" + OpRegexp = "=~" + OpNegRegexp = "!~" + OpSimplePatterns = "=*" + OpNegSimplePatterns = "!*" +) + +type labelSelector struct { + name string + m matcher.Matcher +} + +func (s labelSelector) Matches(lbs labels.Labels) bool { + if s.name == labels.MetricName { + return s.m.MatchString(lbs[0].Value) + } + if label, ok := lookupLabel(s.name, lbs[1:]); ok { + return s.m.MatchString(label.Value) + } + return false +} + +type Func func(lbs labels.Labels) bool + +func (fn Func) Matches(lbs labels.Labels) bool { + return fn(lbs) +} + +func lookupLabel(name string, lbs labels.Labels) (labels.Label, bool) { + for _, label := range lbs { + if label.Name == name { + return label, true + } + } + return labels.Label{}, false +} |