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util.go
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util.go
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package test
import (
"bytes"
"context"
"crypto/tls"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"time"
"github.com/goombaio/namegenerator"
. "github.com/onsi/gomega"
"github.com/rancher/opni/plugins/metrics/pkg/apis/cortexadmin"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func RandomName(seed int64) string {
nameGenerator := namegenerator.NewNameGenerator(seed)
return nameGenerator.Generate()
}
// StandaloneHttpRequest is a helper function to make a http request to a given url.
// returns status code, body and any errors
func StandaloneHttpRequest(
method string,
url string,
requestBody []byte,
values url.Values,
tls *tls.Config,
) (code int, body []byte, err error) {
client := &http.Client{
Transport: &http.Transport{
TLSClientConfig: tls,
},
}
req, err := http.NewRequest(method, url, func() io.Reader {
if requestBody != nil {
return bytes.NewReader(requestBody)
}
return nil
}())
if err != nil {
return 0, nil, err
}
if values != nil && len(values) > 0 {
req.URL.RawQuery = values.Encode()
}
resp, err := client.Do(req)
if err != nil {
return 0, nil, err
}
defer resp.Body.Close()
body, err = ioutil.ReadAll(resp.Body)
if err != nil {
return resp.StatusCode, nil, err
}
return resp.StatusCode, body, nil
}
func ExpectRuleGroupToExist(
client cortexadmin.CortexAdminClient,
ctx context.Context,
tenant string,
groupName string,
pollInterval time.Duration,
maxTimeout time.Duration,
) {
Eventually(func() error {
_, err := client.GetRule(ctx, &cortexadmin.RuleRequest{
ClusterId: tenant,
GroupName: groupName,
})
if err != nil {
return err
}
if status.Code(err) == codes.NotFound {
return fmt.Errorf("rule group %s not found", groupName)
}
return nil
}, maxTimeout, pollInterval).Should(Succeed())
}