53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
// Copyright 2019 The prometheus-operator Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package e2e
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import (
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"k8s.io/client-go/kubernetes"
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"github.com/Jeffail/gabs"
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)
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type prometheusClient struct {
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kubeClient kubernetes.Interface
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}
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func newPrometheusClient(kubeClient kubernetes.Interface) *prometheusClient {
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return &prometheusClient{kubeClient}
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}
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// Query makes a request against the Prometheus /api/v1/query endpoint.
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func (c *prometheusClient) query(query string) (int, error) {
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req := c.kubeClient.CoreV1().RESTClient().Get().
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Namespace("monitoring").
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Resource("pods").
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SubResource("proxy").
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Name("prometheus-k8s-0:9090").
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Suffix("/api/v1/query").Param("query", query)
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b, err := req.DoRaw()
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if err != nil {
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return 0, err
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}
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res, err := gabs.ParseJSON(b)
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if err != nil {
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return 0, err
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}
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n, err := res.ArrayCountP("data.result")
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return n, err
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}
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