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new 72be4bc2 [horus] Add horus monitoring query (#333)
72be4bc2 is described below
commit 72be4bc2c75d3a43bc54b0e0103bf041fce6599b
Author: mfordjody <[email protected]>
AuthorDate: Wed Sep 11 09:14:50 2024 +0800
[horus] Add horus monitoring query (#333)
---
app/horus/core/horuser/prome.go | 50 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/app/horus/core/horuser/prome.go b/app/horus/core/horuser/prome.go
new file mode 100644
index 00000000..d83df40d
--- /dev/null
+++ b/app/horus/core/horuser/prome.go
@@ -0,0 +1,50 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements. See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package horuser
+
+import (
+ "context"
+ apiV1 "github.com/prometheus/client_golang/api"
+ prometheusV1 "github.com/prometheus/client_golang/api/prometheus/v1"
+ "github.com/prometheus/common/model"
+ "k8s.io/klog/v2"
+ "time"
+)
+
+func (h *Horuser) InstantQuery(address, ql string, timeWindowsSecond int64)
(model.Vector, error) {
+ client, err := apiV1.NewClient(apiV1.Config{Address: address})
+ if err != nil {
+ klog.Errorf("prometheus InstantQuery creating NewClient
error:%v", err)
+ return nil, err
+ }
+
+ apiV1 := prometheusV1.NewAPI(client)
+ ctx, cancel := context.WithTimeout(context.Background(),
time.Duration(timeWindowsSecond)*time.Second)
+ defer cancel()
+
+ result, _, err := apiV1.Query(ctx, ql, time.Now())
+ if err != nil {
+ klog.Errorf("prometheus Query error:%v url:%+v ql:%v", err,
address, ql)
+ return nil, err
+ }
+
+ vector, has := result.(model.Vector)
+ if !has {
+ klog.Errorf("prometheus Query result vector error %+v", result)
+ return nil, err
+ }
+ return vector, nil
+}
