mirror of https://github.com/minio/minio.git
270 lines
8.4 KiB
Go
270 lines
8.4 KiB
Go
/*
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*
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* Mint, (C) 2019 Minio, Inc.
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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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*
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*/
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package main
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import (
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"crypto/tls"
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"encoding/json"
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"fmt"
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"net/http"
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"net/url"
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"os"
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"time"
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jwtgo "github.com/dgrijalva/jwt-go"
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log "github.com/sirupsen/logrus"
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)
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const (
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pass = "PASS" // Indicate that a test passed
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fail = "FAIL" // Indicate that a test failed
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livenessPath = "/minio/health/live"
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readinessPath = "/minio/health/ready"
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prometheusPath = "/minio/prometheus/metrics"
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prometheusPathV2 = "/minio/v2/metrics/cluster"
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timeout = time.Duration(30 * time.Second)
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)
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type mintJSONFormatter struct {
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}
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func (f *mintJSONFormatter) Format(entry *log.Entry) ([]byte, error) {
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data := make(log.Fields, len(entry.Data))
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for k, v := range entry.Data {
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switch v := v.(type) {
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case error:
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// Otherwise errors are ignored by `encoding/json`
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// https://github.com/sirupsen/logrus/issues/137
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data[k] = v.Error()
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default:
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data[k] = v
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}
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}
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serialized, err := json.Marshal(data)
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if err != nil {
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return nil, fmt.Errorf("Failed to marshal fields to JSON, %w", err)
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}
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return append(serialized, '\n'), nil
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}
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// log successful test runs
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func successLogger(function string, args map[string]interface{}, startTime time.Time) *log.Entry {
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// calculate the test case duration
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duration := time.Since(startTime)
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// log with the fields as per mint
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fields := log.Fields{"name": "healthcheck", "function": function, "args": args, "duration": duration.Nanoseconds() / 1000000, "status": pass}
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return log.WithFields(fields)
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}
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// log failed test runs
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func failureLog(function string, args map[string]interface{}, startTime time.Time, alert string, message string, err error) *log.Entry {
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// calculate the test case duration
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duration := time.Since(startTime)
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var fields log.Fields
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// log with the fields as per mint
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if err != nil {
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fields = log.Fields{"name": "healthcheck", "function": function, "args": args,
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"duration": duration.Nanoseconds() / 1000000, "status": fail, "alert": alert, "message": message, "error": err}
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} else {
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fields = log.Fields{"name": "healthcheck", "function": function, "args": args,
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"duration": duration.Nanoseconds() / 1000000, "status": fail, "alert": alert, "message": message}
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}
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return log.WithFields(fields)
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}
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func testLivenessEndpoint(endpoint string) {
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startTime := time.Now()
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function := "testLivenessEndpoint"
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u, err := url.Parse(fmt.Sprintf("%s%s", endpoint, livenessPath))
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if err != nil {
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// Could not parse URL successfully
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failureLog(function, nil, startTime, "", "URL Parsing for Healthcheck Liveness handler failed", err).Fatal()
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}
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tr := &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: u.Scheme == "https"},
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}
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client := &http.Client{Transport: tr, Timeout: timeout}
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resp, err := client.Get(u.String())
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if err != nil {
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// GET request errored
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failureLog(function, nil, startTime, "", "GET request failed", err).Fatal()
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}
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if resp.StatusCode != http.StatusOK {
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// Status not 200 OK
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failureLog(function, nil, startTime, "", fmt.Sprintf("GET /minio/health/live returned %s", resp.Status), err).Fatal()
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}
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defer resp.Body.Close()
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defer successLogger(function, nil, startTime).Info()
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}
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func testReadinessEndpoint(endpoint string) {
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startTime := time.Now()
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function := "testReadinessEndpoint"
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u, err := url.Parse(fmt.Sprintf("%s%s", endpoint, readinessPath))
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if err != nil {
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// Could not parse URL successfully
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failureLog(function, nil, startTime, "", "URL Parsing for Healthcheck Readiness handler failed", err).Fatal()
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}
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tr := &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: u.Scheme == "https"},
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}
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client := &http.Client{Transport: tr, Timeout: timeout}
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resp, err := client.Get(u.String())
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if err != nil {
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// GET request errored
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failureLog(function, nil, startTime, "", "GET request to Readiness endpoint failed", err).Fatal()
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}
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if resp.StatusCode != http.StatusOK {
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// Status not 200 OK
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failureLog(function, nil, startTime, "", "GET /minio/health/ready returned non OK status", err).Fatal()
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}
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defer resp.Body.Close()
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defer successLogger(function, nil, startTime).Info()
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}
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const (
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defaultPrometheusJWTExpiry = 100 * 365 * 24 * time.Hour
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)
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func testPrometheusEndpoint(endpoint string) {
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startTime := time.Now()
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function := "testPrometheusEndpoint"
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u, err := url.Parse(fmt.Sprintf("%s%s", endpoint, prometheusPath))
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if err != nil {
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// Could not parse URL successfully
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failureLog(function, nil, startTime, "", "URL Parsing for Healthcheck Prometheus handler failed", err).Fatal()
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}
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jwt := jwtgo.NewWithClaims(jwtgo.SigningMethodHS512, jwtgo.StandardClaims{
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ExpiresAt: time.Now().UTC().Add(defaultPrometheusJWTExpiry).Unix(),
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Subject: os.Getenv("ACCESS_KEY"),
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Issuer: "prometheus",
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})
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token, err := jwt.SignedString([]byte(os.Getenv("SECRET_KEY")))
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if err != nil {
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failureLog(function, nil, startTime, "", "jwt generation failed", err).Fatal()
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}
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tr := &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: u.Scheme == "https"},
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}
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client := &http.Client{Transport: tr, Timeout: timeout}
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req, err := http.NewRequest(http.MethodGet, u.String(), nil)
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if err != nil {
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failureLog(function, nil, startTime, "", "Initializing GET request to Prometheus endpoint failed", err).Fatal()
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}
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req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
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resp, err := client.Do(req)
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if err != nil {
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// GET request errored
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failureLog(function, nil, startTime, "", "GET request to Prometheus endpoint failed", err).Fatal()
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}
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if resp.StatusCode != http.StatusOK {
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// Status not 200 OK
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failureLog(function, nil, startTime, "", "GET /minio/prometheus/metrics returned non OK status", err).Fatal()
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}
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defer resp.Body.Close()
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defer successLogger(function, nil, startTime).Info()
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}
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func testPrometheusEndpointV2(endpoint string) {
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startTime := time.Now()
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function := "testPrometheusEndpoint"
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u, err := url.Parse(fmt.Sprintf("%s%s", endpoint, prometheusPathV2))
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if err != nil {
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// Could not parse URL successfully
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failureLog(function, nil, startTime, "", "URL Parsing for Healthcheck Prometheus handler failed", err).Fatal()
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}
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jwt := jwtgo.NewWithClaims(jwtgo.SigningMethodHS512, jwtgo.StandardClaims{
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ExpiresAt: time.Now().UTC().Add(defaultPrometheusJWTExpiry).Unix(),
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Subject: os.Getenv("ACCESS_KEY"),
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Issuer: "prometheus",
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})
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token, err := jwt.SignedString([]byte(os.Getenv("SECRET_KEY")))
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if err != nil {
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failureLog(function, nil, startTime, "", "jwt generation failed", err).Fatal()
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}
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tr := &http.Transport{
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TLSClientConfig: &tls.Config{InsecureSkipVerify: u.Scheme == "https"},
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}
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client := &http.Client{Transport: tr, Timeout: timeout}
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req, err := http.NewRequest(http.MethodGet, u.String(), nil)
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if err != nil {
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failureLog(function, nil, startTime, "", "Initializing GET request to Prometheus endpoint failed", err).Fatal()
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}
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req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
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resp, err := client.Do(req)
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if err != nil {
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// GET request errored
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failureLog(function, nil, startTime, "", "GET request to Prometheus endpoint failed", err).Fatal()
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}
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if resp.StatusCode != http.StatusOK {
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// Status not 200 OK
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failureLog(function, nil, startTime, "", "GET /minio/prometheus/metrics returned non OK status", err).Fatal()
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}
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defer resp.Body.Close()
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defer successLogger(function, nil, startTime).Info()
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}
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func main() {
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endpoint := os.Getenv("SERVER_ENDPOINT")
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secure := os.Getenv("ENABLE_HTTPS")
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if secure == "1" {
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endpoint = "https://" + endpoint
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} else {
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endpoint = "http://" + endpoint
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}
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// Output to stdout instead of the default stderr
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log.SetOutput(os.Stdout)
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// create custom formatter
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mintFormatter := mintJSONFormatter{}
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// set custom formatter
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log.SetFormatter(&mintFormatter)
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// log Info or above -- success cases are Info level, failures are Fatal level
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log.SetLevel(log.InfoLevel)
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// execute tests
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testLivenessEndpoint(endpoint)
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testReadinessEndpoint(endpoint)
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testPrometheusEndpoint(endpoint)
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testPrometheusEndpointV2(endpoint)
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}
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