github.com/kubevela/workflow@v0.6.0/pkg/providers/metrics/prom_check_test.go (about)

     1  /*
     2  Copyright 2022 The KubeVela Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8  	http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  package metrics
    17  
    18  import (
    19  	"context"
    20  	"fmt"
    21  	"net/http"
    22  	"testing"
    23  	"time"
    24  
    25  	"github.com/crossplane/crossplane-runtime/pkg/test"
    26  
    27  	monitorContext "github.com/kubevela/pkg/monitor/context"
    28  	context2 "github.com/kubevela/workflow/pkg/context"
    29  	"github.com/kubevela/workflow/pkg/cue/model/value"
    30  	"github.com/stretchr/testify/assert"
    31  	"sigs.k8s.io/controller-runtime/pkg/client"
    32  )
    33  
    34  func TestMetricCheck(t *testing.T) {
    35  	srv := runMockPrometheusServer() // no lint
    36  
    37  	v, err := value.NewValue(`
    38  	  metricEndpoint: "http://127.0.0.1:18089"
    39        query: "sum(nginx_ingress_controller_requests{host=\"canary-demo.com\",status=\"200\"})"
    40        duration: "4s"
    41        failDuration: "2s"
    42        condition: ">=3"
    43        stepID: "123456"`, nil, "")
    44  	assert.NoError(t, err)
    45  	prd := &provider{}
    46  	ctx := monitorContext.NewTraceContext(context.Background(), "")
    47  	cli := &test.MockClient{
    48  		MockCreate: func(ctx context.Context, obj client.Object, opts ...client.CreateOption) error {
    49  			return nil
    50  		},
    51  		MockPatch: func(ctx context.Context, obj client.Object, patch client.Patch, opts ...client.PatchOption) error {
    52  			return nil
    53  		},
    54  		MockGet: func(ctx context.Context, key client.ObjectKey, obj client.Object) error {
    55  			return nil
    56  		},
    57  	}
    58  	wfCtx, err := context2.NewContext(context.Background(), cli, "default", "v1", nil)
    59  	assert.NoError(t, err)
    60  	err = prd.PromCheck(ctx, wfCtx, v, nil)
    61  	assert.NoError(t, err)
    62  	res, err := v.GetBool("result")
    63  	assert.NoError(t, err)
    64  	assert.Equal(t, res, false)
    65  	message, err := v.GetString("message")
    66  	assert.NoError(t, err)
    67  	assert.Equal(t, message, "The healthy condition should be >=3, and the query result is 10, indicating success.")
    68  	if err := srv.Close(); err != nil {
    69  		fmt.Printf("Server shutdown error: %v\n", err)
    70  	}
    71  }
    72  
    73  func runMockPrometheusServer() *http.Server {
    74  	srv := http.Server{Addr: ":18089", Handler: http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
    75  		w.Header().Set("Content-Type", "application/json")
    76  		w.Write([]byte(`{
    77      "status": "success",
    78      "data": {
    79          "resultType": "vector",
    80          "result": [
    81              {
    82                  "metric": {},
    83                  "value": [
    84                      1678701380.73,
    85                      "10"
    86                  ]
    87              }
    88          ]
    89      }
    90  }`))
    91  	})}
    92  	go srv.ListenAndServe() // no lint
    93  	time.Sleep(3 * time.Second)
    94  	return &srv
    95  }