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|
package main
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io/ioutil"
"log/syslog"
"net/http"
"os"
"time"
)
// https://buildkite.com/docs/apis/rest-api/builds#create-a-Build
type Build struct {
Commit string `json:"commit"`
Branch string `json:"branch"`
}
type buildResponse struct {
WebUrl string `json:"web_url"`
}
func triggerBuild(cfg *config, log *syslog.Writer, trigger *buildTrigger) error {
b := Build{
Commit: trigger.commit,
Branch: trigger.ref,
}
body, _ := json.Marshal(b)
reader := ioutil.NopCloser(bytes.NewReader(body))
bkUrl := fmt.Sprintf("https://api.buildkite.com/v2/organizations/%s/pipelines/%s/builds", cfg.BuildKiteOrganization, trigger.project)
req, err := http.NewRequest("POST", bkUrl, reader)
if err != nil {
return fmt.Errorf("failed to create an HTTP request: %v", err)
}
req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", cfg.BuildKiteToken))
req.Header.Add("Content-Type", "application/json")
// Let's budget this to 10 seconds maximum, this should be more
// than enough, as we're only triggering the build, we're not
// waiting on the status of the build
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
resp, err := http.DefaultClient.Do(req.WithContext(ctx))
if err != nil {
return fmt.Errorf("failed to send buildKite request: %v", err)
}
defer resp.Body.Close()
respBody, err := ioutil.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("failed to parse buildKite response: %v", err)
}
if resp.StatusCode != http.StatusCreated {
return fmt.Errorf("received a non-success response from buildKite: %s (%v)", respBody, resp.Status)
}
var buildResp buildResponse
err = json.Unmarshal(respBody, &buildResp)
if err != nil {
return fmt.Errorf("failed to unmarshal build response: %v", err)
}
// Report the status back to the Gerrit CL so that users can click
// through to the running build.
msg := fmt.Sprintf("started build for patchset #%s on: %s", trigger.patchset, buildResp.WebUrl)
review := reviewInput{
Message: msg,
OmitDuplicateComments: true,
Tag: "autogenerated:buildkite~trigger",
IgnoreDefaultAttentionSetRules: true,
Notify: "NONE",
}
updateGerrit(cfg, review, trigger.changeId, trigger.patchset)
return nil
}
func postCommand(cfg *config) {
changeId := os.Getenv("GERRIT_CHANGE_ID")
patchSet := os.Getenv("GERRIT_PATCHSET")
if changeId == "" || patchSet == "" {
fmt.Println("nothing to do")
return
}
// our build stage has the label :hammer:
if os.Getenv("BUILDKITE_LABEL") != ":hammer:" {
return
}
var vote int
var verb string
var notify string
if os.Getenv("BUILDKITE_COMMAND_EXIT_STATUS") == "0" {
vote = 1
verb = "passed"
notify = "NONE"
} else {
vote = -1
verb = "failed"
notify = "OWNER"
}
msg := fmt.Sprintf("Build of patchset %s %s: %s", patchSet, verb, os.Getenv("BUILDKITE_BUILD_URL"))
review := reviewInput{
Message: msg,
OmitDuplicateComments: true,
IgnoreDefaultAttentionSetRules: vote == 1,
Tag: "autogenerated:buildkite~result",
Notify: notify,
Labels: map[string]int{
"Verified": vote,
},
}
updateGerrit(cfg, review, changeId, patchSet)
}
|
