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buildkite.go
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buildkite.go
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package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"strings"
"time"
buildkiteAgent "github.com/buildkite/agent/agent"
buildkite "github.com/buildkite/agent/api"
"github.com/buildkite/agent/retry"
)
type BuildMetadataClient interface {
ReadOtherBuildMetadata(number string) (map[string]string, error)
}
type DryRunBuildMetadataClient struct{}
func (c *DryRunBuildMetadataClient) ReadOtherBuildMetadata(number string) (map[string]string, error) {
otherMeta := make(map[string]string)
otherMeta["jobsworth:code_version"] = "dry-run-code-version"
otherMeta["jobsworth:source_commit_id"] = "dry-run-commit"
return otherMeta, nil
}
type Buildkite struct {
// There are two different buildkite APIs in use here.
// - The "agent" API is used to interact with the build and job that are
// currently in progress.
// - The regular API is used to interact with pre-existing builds
agentClient *buildkite.Client
apiURL *url.URL
apiToken string
jobId string
pipelineSlug string
}
func (c *Context) Buildkite() *Buildkite {
clientBuilder := buildkiteAgent.APIClient{
Endpoint: c.BuildkiteAgentEndpointURL,
Token: c.BuildkiteAgentAccessToken,
}
agentClient := clientBuilder.Create()
apiURL, _ := url.Parse(fmt.Sprintf("https://api.buildkite.com/v2/organizations/%s/", c.BuildkiteOrganizationSlug))
return &Buildkite{
agentClient: agentClient,
apiToken: c.BuildkiteAPIAccessToken,
apiURL: apiURL,
jobId: c.BuildkiteJobId,
pipelineSlug: c.BuildkitePipelineSlug,
}
}
func (b *Buildkite) WriteJobMetadata(metadata map[string]string) error {
client := b.agentClient
for k, v := range metadata {
metadatum := &buildkite.MetaData{
Key: k,
Value: v,
}
err := retry.Do(func(s *retry.Stats) error {
resp, err := client.MetaData.Set(b.jobId, metadatum)
if resp != nil && (resp.StatusCode == 401 || resp.StatusCode == 404) {
s.Break()
}
return err
}, &retry.Config{Maximum: 10, Interval: 1 * time.Second})
if err != nil {
return fmt.Errorf("error setting metadata %s: %s", k, err)
}
}
return nil
}
func (b *Buildkite) InsertPipelineSteps(steps []interface{}) error {
client := b.agentClient
pipelineBytes, err := MarshalPipelineSteps(steps)
if err != nil {
return err
}
pipeline := &buildkite.Pipeline{
UUID: buildkite.NewUUID(),
Data: pipelineBytes,
FileName: "pipeline.yaml",
}
_, err = client.Pipelines.Upload(b.jobId, pipeline)
return err
}
func (b *Buildkite) ReadOtherBuildMetadata(number string) (map[string]string, error) {
rawData, err := b.apiGET([]string{"pipelines", b.pipelineSlug, "builds", number})
if err != nil {
return nil, err
}
ret := map[string]string{}
for k, v := range rawData["meta_data"].(map[string]interface{}) {
ret[k] = v.(string)
}
return ret, nil
}
func (b *Buildkite) apiGET(pathParts []string) (map[string]interface{}, error) {
urlPath := &url.URL{
Path: strings.Join(pathParts, "/"),
}
reqURL := b.apiURL.ResolveReference(urlPath)
req := &http.Request{
Method: "GET",
Header: http.Header{},
URL: reqURL,
}
req.Header.Add("Authorization", "Bearer "+b.apiToken)
client := &http.Client{}
res, err := client.Do(req)
if err != nil {
return nil, err
}
resBodyBytes, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, err
}
if res.StatusCode < 200 || res.StatusCode >= 300 {
return nil, fmt.Errorf("%s", res.Status)
}
ret := map[string]interface{}{}
err = json.Unmarshal(resBodyBytes, &ret)
return ret, err
}