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integration: support querying member metrics

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This commit is contained in:
Anthony Romano 2016-08-08 23:45:50 -07:00
parent 7678b84f2c
commit c3c41234f1
1 changed files with 26 additions and 0 deletions
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26
integration/cluster.go
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@ -708,6 +708,32 @@ func (m *member) Terminate(t *testing.T) {
plog.Printf("terminated %s (%s)", m.Name, m.grpcAddr)
}
// Metric gets the metric value for a member
func (m *member) Metric(metricName string) (string, error) {
cfgtls := transport.TLSInfo{}
tr, err := transport.NewTimeoutTransport(cfgtls, time.Second, time.Second, time.Second)
if err != nil {
return "", err
}
cli := &http.Client{Transport: tr}
resp, err := cli.Get(m.ClientURLs[0].String() + "/metrics")
if err != nil {
return "", err
}
defer resp.Body.Close()
b, rerr := ioutil.ReadAll(resp.Body)
if rerr != nil {
return "", rerr
}
lines := strings.Split(string(b), "\n")
for _, l := range lines {
if strings.HasPrefix(l, metricName) {
return strings.Split(l, " ")[1], nil
}
}
return "", nil
}
func MustNewHTTPClient(t *testing.T, eps []string, tls *transport.TLSInfo) client.Client {
cfgtls := transport.TLSInfo{}
if tls != nil {