mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-06-12 10:29:35 +00:00
650 lines
17 KiB
Go
650 lines
17 KiB
Go
package server
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/url"
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"regexp"
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"strconv"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/square/go-jose"
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log "github.com/Sirupsen/logrus"
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"github.com/drone/drone/model"
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"github.com/drone/drone/remote"
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"github.com/drone/drone/shared/httputil"
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"github.com/drone/drone/shared/token"
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"github.com/drone/drone/store"
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"github.com/drone/drone/yaml"
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"github.com/drone/envsubst"
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"github.com/drone/mq/stomp"
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"github.com/cncd/pipeline/pipeline/backend"
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"github.com/cncd/pipeline/pipeline/frontend"
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yaml2 "github.com/cncd/pipeline/pipeline/frontend/yaml"
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"github.com/cncd/pipeline/pipeline/frontend/yaml/compiler"
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"github.com/cncd/pipeline/pipeline/frontend/yaml/linter"
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"github.com/cncd/pipeline/pipeline/frontend/yaml/matrix"
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"github.com/cncd/pipeline/pipeline/rpc"
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"github.com/cncd/pubsub"
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"github.com/cncd/queue"
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)
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var skipRe = regexp.MustCompile(`\[(?i:ci *skip|skip *ci)\]`)
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func PostHook(c *gin.Context) {
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remote_ := remote.FromContext(c)
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tmprepo, build, err := remote_.Hook(c.Request)
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if err != nil {
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log.Errorf("failure to parse hook. %s", err)
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c.AbortWithError(400, err)
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return
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}
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if build == nil {
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c.Writer.WriteHeader(200)
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return
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}
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if tmprepo == nil {
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log.Errorf("failure to ascertain repo from hook.")
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c.Writer.WriteHeader(400)
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return
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}
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// skip the build if any case-insensitive combination of the words "skip" and "ci"
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// wrapped in square brackets appear in the commit message
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skipMatch := skipRe.FindString(build.Message)
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if len(skipMatch) > 0 {
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log.Infof("ignoring hook. %s found in %s", skipMatch, build.Commit)
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c.Writer.WriteHeader(204)
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return
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}
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repo, err := store.GetRepoOwnerName(c, tmprepo.Owner, tmprepo.Name)
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if err != nil {
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log.Errorf("failure to find repo %s/%s from hook. %s", tmprepo.Owner, tmprepo.Name, err)
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c.AbortWithError(404, err)
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return
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}
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// get the token and verify the hook is authorized
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parsed, err := token.ParseRequest(c.Request, func(t *token.Token) (string, error) {
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return repo.Hash, nil
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})
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if err != nil {
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log.Errorf("failure to parse token from hook for %s. %s", repo.FullName, err)
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c.AbortWithError(400, err)
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return
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}
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if parsed.Text != repo.FullName {
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log.Errorf("failure to verify token from hook. Expected %s, got %s", repo.FullName, parsed.Text)
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c.AbortWithStatus(403)
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return
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}
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if repo.UserID == 0 {
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log.Warnf("ignoring hook. repo %s has no owner.", repo.FullName)
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c.Writer.WriteHeader(204)
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return
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}
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var skipped = true
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if (build.Event == model.EventPush && repo.AllowPush) ||
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(build.Event == model.EventPull && repo.AllowPull) ||
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(build.Event == model.EventDeploy && repo.AllowDeploy) ||
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(build.Event == model.EventTag && repo.AllowTag) {
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skipped = false
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}
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if skipped {
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log.Infof("ignoring hook. repo %s is disabled for %s events.", repo.FullName, build.Event)
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c.Writer.WriteHeader(204)
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return
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}
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user, err := store.GetUser(c, repo.UserID)
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if err != nil {
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log.Errorf("failure to find repo owner %s. %s", repo.FullName, err)
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c.AbortWithError(500, err)
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return
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}
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// if there is no email address associated with the pull request,
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// we lookup the email address based on the authors github login.
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//
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// my initial hesitation with this code is that it has the ability
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// to expose your email address. At the same time, your email address
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// is already exposed in the public .git log. So while some people will
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// a small number of people will probably be upset by this, I'm not sure
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// it is actually that big of a deal.
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if len(build.Email) == 0 {
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author, uerr := store.GetUserLogin(c, build.Author)
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if uerr == nil {
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build.Email = author.Email
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}
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}
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// if the remote has a refresh token, the current access token
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// may be stale. Therefore, we should refresh prior to dispatching
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// the job.
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if refresher, ok := remote_.(remote.Refresher); ok {
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ok, _ := refresher.Refresh(user)
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if ok {
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store.UpdateUser(c, user)
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}
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}
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// fetch the build file from the database
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config := ToConfig(c)
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raw, err := remote_.File(user, repo, build, config.Yaml)
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if err != nil {
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log.Errorf("failure to get build config for %s. %s", repo.FullName, err)
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c.AbortWithError(404, err)
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return
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}
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sec, err := remote_.File(user, repo, build, config.Shasum)
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if err != nil {
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log.Debugf("cannot find build secrets for %s. %s", repo.FullName, err)
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// NOTE we don't exit on failure. The sec file is optional
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}
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axes, err := yaml.ParseMatrix(raw)
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if err != nil {
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c.String(500, "Failed to parse yaml file or calculate matrix. %s", err)
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return
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}
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if len(axes) == 0 {
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axes = append(axes, yaml.Axis{})
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}
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netrc, err := remote_.Netrc(user, repo)
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if err != nil {
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c.String(500, "Failed to generate netrc file. %s", err)
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return
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}
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// verify the branches can be built vs skipped
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branches := yaml.ParseBranch(raw)
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if !branches.Match(build.Branch) && build.Event != model.EventTag && build.Event != model.EventDeploy {
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c.String(200, "Branch does not match restrictions defined in yaml")
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return
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}
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signature, err := jose.ParseSigned(string(sec))
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if err != nil {
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log.Debugf("cannot parse .drone.yml.sig file. %s", err)
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} else if len(sec) == 0 {
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log.Debugf("cannot parse .drone.yml.sig file. empty file")
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} else {
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build.Signed = true
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output, verr := signature.Verify([]byte(repo.Hash))
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if verr != nil {
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log.Debugf("cannot verify .drone.yml.sig file. %s", verr)
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} else if string(output) != string(raw) {
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log.Debugf("cannot verify .drone.yml.sig file. no match")
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} else {
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build.Verified = true
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}
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}
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// update some build fields
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build.Status = model.StatusPending
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build.RepoID = repo.ID
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// and use a transaction
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var jobs []*model.Job
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for num, axis := range axes {
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jobs = append(jobs, &model.Job{
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BuildID: build.ID,
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Number: num + 1,
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Status: model.StatusPending,
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Environment: axis,
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})
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}
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err = store.CreateBuild(c, build, jobs...)
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if err != nil {
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log.Errorf("failure to save commit for %s. %s", repo.FullName, err)
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c.AbortWithError(500, err)
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return
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}
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c.JSON(200, build)
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url := fmt.Sprintf("%s/%s/%d", httputil.GetURL(c.Request), repo.FullName, build.Number)
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err = remote_.Status(user, repo, build, url)
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if err != nil {
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log.Errorf("error setting commit status for %s/%d", repo.FullName, build.Number)
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}
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// get the previous build so that we can send
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// on status change notifications
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last, _ := store.GetBuildLastBefore(c, repo, build.Branch, build.ID)
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secs, err := store.GetMergedSecretList(c, repo)
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if err != nil {
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log.Debugf("Error getting secrets for %s#%d. %s", repo.FullName, build.Number, err)
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}
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client := stomp.MustFromContext(c)
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client.SendJSON("topic/events", model.Event{
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Type: model.Enqueued,
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Repo: *repo,
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Build: *build,
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},
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stomp.WithHeader("repo", repo.FullName),
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stomp.WithHeader("private", strconv.FormatBool(repo.IsPrivate)),
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)
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for _, job := range jobs {
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broker, _ := stomp.FromContext(c)
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broker.SendJSON("/queue/pending", &model.Work{
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Signed: build.Signed,
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Verified: build.Verified,
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User: user,
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Repo: repo,
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Build: build,
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BuildLast: last,
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Job: job,
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Netrc: netrc,
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Yaml: string(raw),
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Secrets: secs,
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System: &model.System{Link: httputil.GetURL(c.Request)},
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},
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stomp.WithHeader(
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"platform",
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yaml.ParsePlatformDefault(raw, "linux/amd64"),
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),
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stomp.WithHeaders(
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yaml.ParseLabel(raw),
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),
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)
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}
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}
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//
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// CANARY IMPLEMENTATION
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//
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// This file is a complete disaster because I'm trying to wedge in some
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// experimental code. Please pardon our appearance during renovations.
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//
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func GetQueueInfo(c *gin.Context) {
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c.IndentedJSON(200,
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config.queue.Info(c),
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)
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}
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func PostHook2(c *gin.Context) {
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remote_ := remote.FromContext(c)
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tmprepo, build, err := remote_.Hook(c.Request)
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if err != nil {
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log.Errorf("failure to parse hook. %s", err)
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c.AbortWithError(400, err)
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return
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}
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if build == nil {
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c.Writer.WriteHeader(200)
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return
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}
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if tmprepo == nil {
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log.Errorf("failure to ascertain repo from hook.")
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c.Writer.WriteHeader(400)
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return
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}
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// skip the build if any case-insensitive combination of the words "skip" and "ci"
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// wrapped in square brackets appear in the commit message
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skipMatch := skipRe.FindString(build.Message)
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if len(skipMatch) > 0 {
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log.Infof("ignoring hook. %s found in %s", skipMatch, build.Commit)
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c.Writer.WriteHeader(204)
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return
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}
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repo, err := store.GetRepoOwnerName(c, tmprepo.Owner, tmprepo.Name)
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if err != nil {
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log.Errorf("failure to find repo %s/%s from hook. %s", tmprepo.Owner, tmprepo.Name, err)
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c.AbortWithError(404, err)
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return
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}
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// get the token and verify the hook is authorized
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parsed, err := token.ParseRequest(c.Request, func(t *token.Token) (string, error) {
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return repo.Hash, nil
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})
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if err != nil {
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log.Errorf("failure to parse token from hook for %s. %s", repo.FullName, err)
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c.AbortWithError(400, err)
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return
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}
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if parsed.Text != repo.FullName {
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log.Errorf("failure to verify token from hook. Expected %s, got %s", repo.FullName, parsed.Text)
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c.AbortWithStatus(403)
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return
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}
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if repo.UserID == 0 {
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log.Warnf("ignoring hook. repo %s has no owner.", repo.FullName)
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c.Writer.WriteHeader(204)
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return
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}
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var skipped = true
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if (build.Event == model.EventPush && repo.AllowPush) ||
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(build.Event == model.EventPull && repo.AllowPull) ||
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(build.Event == model.EventDeploy && repo.AllowDeploy) ||
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(build.Event == model.EventTag && repo.AllowTag) {
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skipped = false
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}
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if skipped {
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log.Infof("ignoring hook. repo %s is disabled for %s events.", repo.FullName, build.Event)
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c.Writer.WriteHeader(204)
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return
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}
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user, err := store.GetUser(c, repo.UserID)
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if err != nil {
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log.Errorf("failure to find repo owner %s. %s", repo.FullName, err)
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c.AbortWithError(500, err)
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return
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}
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|
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// if there is no email address associated with the pull request,
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// we lookup the email address based on the authors github login.
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//
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// my initial hesitation with this code is that it has the ability
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// to expose your email address. At the same time, your email address
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// is already exposed in the public .git log. So while some people will
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// a small number of people will probably be upset by this, I'm not sure
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// it is actually that big of a deal.
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if len(build.Email) == 0 {
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author, uerr := store.GetUserLogin(c, build.Author)
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if uerr == nil {
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build.Email = author.Email
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}
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}
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// if the remote has a refresh token, the current access token
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// may be stale. Therefore, we should refresh prior to dispatching
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// the job.
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if refresher, ok := remote_.(remote.Refresher); ok {
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ok, _ := refresher.Refresh(user)
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if ok {
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store.UpdateUser(c, user)
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}
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}
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// fetch the build file from the database
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cfg := ToConfig(c)
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raw, err := remote_.File(user, repo, build, cfg.Yaml)
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if err != nil {
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log.Errorf("failure to get build config for %s. %s", repo.FullName, err)
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c.AbortWithError(404, err)
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return
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}
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sec, err := remote_.File(user, repo, build, cfg.Shasum)
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if err != nil {
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log.Debugf("cannot find build secrets for %s. %s", repo.FullName, err)
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// NOTE we don't exit on failure. The sec file is optional
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}
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axes, err := matrix.Parse(raw)
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if err != nil {
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c.String(500, "Failed to parse yaml file or calculate matrix. %s", err)
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return
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}
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if len(axes) == 0 {
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axes = append(axes, matrix.Axis{})
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}
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netrc, err := remote_.Netrc(user, repo)
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if err != nil {
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c.String(500, "Failed to generate netrc file. %s", err)
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return
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}
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// verify the branches can be built vs skipped
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branches, err := yaml2.ParseBytes(raw)
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if err != nil {
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c.String(500, "Failed to parse yaml file. %s", err)
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return
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}
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if !branches.Branches.Match(build.Branch) && build.Event != model.EventTag && build.Event != model.EventDeploy {
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c.String(200, "Branch does not match restrictions defined in yaml")
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return
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}
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signature, err := jose.ParseSigned(string(sec))
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if err != nil {
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log.Debugf("cannot parse .drone.yml.sig file. %s", err)
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} else if len(sec) == 0 {
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log.Debugf("cannot parse .drone.yml.sig file. empty file")
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} else {
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build.Signed = true
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output, verr := signature.Verify([]byte(repo.Hash))
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if verr != nil {
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log.Debugf("cannot verify .drone.yml.sig file. %s", verr)
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} else if string(output) != string(raw) {
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log.Debugf("cannot verify .drone.yml.sig file. no match")
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} else {
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build.Verified = true
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}
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}
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// update some build fields
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build.Status = model.StatusPending
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build.RepoID = repo.ID
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// and use a transaction
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var jobs []*model.Job
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for num, axis := range axes {
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jobs = append(jobs, &model.Job{
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BuildID: build.ID,
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Number: num + 1,
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Status: model.StatusPending,
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Environment: axis,
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})
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}
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err = store.CreateBuild(c, build, jobs...)
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if err != nil {
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log.Errorf("failure to save commit for %s. %s", repo.FullName, err)
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c.AbortWithError(500, err)
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return
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}
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c.JSON(200, build)
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uri := fmt.Sprintf("%s/%s/%d", httputil.GetURL(c.Request), repo.FullName, build.Number)
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err = remote_.Status(user, repo, build, uri)
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if err != nil {
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log.Errorf("error setting commit status for %s/%d", repo.FullName, build.Number)
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}
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|
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// get the previous build so that we can send
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// on status change notifications
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last, _ := store.GetBuildLastBefore(c, repo, build.Branch, build.ID)
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secs, err := store.GetMergedSecretList(c, repo)
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if err != nil {
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log.Debugf("Error getting secrets for %s#%d. %s", repo.FullName, build.Number, err)
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}
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//
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// new code here
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//
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message := pubsub.Message{}
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message.Data, _ = json.Marshal(model.Event{
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Type: model.Enqueued,
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Repo: *repo,
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Build: *build,
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})
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message.Labels = map[string]string{
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"repo": repo.FullName,
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"private": strconv.FormatBool(repo.IsPrivate),
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}
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// TODO remove global reference
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config.pubsub.Publish(c, "topic/events", message)
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//
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// workspace
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//
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var (
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link, _ = url.Parse(repo.Link)
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base = "/drone"
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path = "src/" + link.Host + "/" + repo.FullName
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)
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for _, job := range jobs {
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metadata := metadataFromStruct(repo, build, last, job, "linux/amd64")
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environ := metadata.Environ()
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secrets := map[string]string{}
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for _, sec := range secs {
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if !sec.MatchEvent(build.Event) {
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continue
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}
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if build.Verified || sec.SkipVerify {
|
|
secrets[sec.Name] = sec.Value
|
|
}
|
|
}
|
|
sub := func(name string) string {
|
|
if v, ok := environ[name]; ok {
|
|
return v
|
|
}
|
|
return secrets[name]
|
|
}
|
|
if s, err := envsubst.Eval(string(raw), sub); err != nil {
|
|
raw = []byte(s)
|
|
}
|
|
parsed, err := yaml2.ParseBytes(raw)
|
|
if err != nil {
|
|
// TODO
|
|
}
|
|
|
|
lerr := linter.New(
|
|
linter.WithTrusted(repo.IsTrusted),
|
|
).Lint(parsed)
|
|
if lerr != nil {
|
|
// TODO
|
|
}
|
|
|
|
ir := compiler.New(
|
|
compiler.WithEnviron(environ),
|
|
compiler.WithEscalated("plugins/docker", "plugins/gcr", "plugins/ecr"),
|
|
compiler.WithLocal(false),
|
|
compiler.WithNetrc(netrc.Login, netrc.Password, netrc.Machine),
|
|
compiler.WithPrefix(
|
|
fmt.Sprintf(
|
|
"%d_%d",
|
|
job.ID,
|
|
time.Now().Unix(),
|
|
),
|
|
),
|
|
compiler.WithProxy(),
|
|
compiler.WithVolumes(), // todo set global volumes
|
|
compiler.WithWorkspace(base, path),
|
|
).Compile(parsed)
|
|
|
|
task := new(queue.Task)
|
|
task.ID = fmt.Sprint(job.ID)
|
|
task.Labels = map[string]string{}
|
|
task.Labels["platform"] = "linux/amd64"
|
|
// TODO set proper platform
|
|
// TODO set proper labels
|
|
task.Data, _ = json.Marshal(rpc.Pipeline{
|
|
ID: fmt.Sprint(job.ID),
|
|
Config: ir,
|
|
Timeout: repo.Timeout,
|
|
})
|
|
|
|
config.logger.Open(context.Background(), task.ID)
|
|
config.queue.Push(context.Background(), task)
|
|
}
|
|
}
|
|
|
|
// use helper funciton to return ([]backend.Config, error)
|
|
|
|
type builder struct {
|
|
secs []*model.Secret
|
|
repo *model.Repo
|
|
build *model.Build
|
|
last *model.Build
|
|
jobs []*model.Job
|
|
link string
|
|
}
|
|
|
|
func (b *builder) Build() ([]*backend.Config, error) {
|
|
|
|
return nil, nil
|
|
}
|
|
|
|
// return the metadata from the cli context.
|
|
func metadataFromStruct(repo *model.Repo, build, last *model.Build, job *model.Job, link string) frontend.Metadata {
|
|
return frontend.Metadata{
|
|
Repo: frontend.Repo{
|
|
Name: repo.Name,
|
|
Link: repo.Link,
|
|
Remote: repo.Clone,
|
|
Private: repo.IsPrivate,
|
|
},
|
|
Curr: frontend.Build{
|
|
Number: build.Number,
|
|
Created: build.Created,
|
|
Started: build.Started,
|
|
Finished: build.Finished,
|
|
Status: build.Status,
|
|
Event: build.Event,
|
|
Link: build.Link,
|
|
Target: build.Deploy,
|
|
Commit: frontend.Commit{
|
|
Sha: build.Commit,
|
|
Ref: build.Ref,
|
|
Refspec: build.Refspec,
|
|
Branch: build.Branch,
|
|
Message: build.Message,
|
|
Author: frontend.Author{
|
|
Name: build.Author,
|
|
Email: build.Email,
|
|
Avatar: build.Avatar,
|
|
},
|
|
},
|
|
},
|
|
Prev: frontend.Build{
|
|
Number: last.Number,
|
|
Created: last.Created,
|
|
Started: last.Started,
|
|
Finished: last.Finished,
|
|
Status: last.Status,
|
|
Event: last.Event,
|
|
Link: last.Link,
|
|
Target: last.Deploy,
|
|
Commit: frontend.Commit{
|
|
Sha: last.Commit,
|
|
Ref: last.Ref,
|
|
Refspec: last.Refspec,
|
|
Branch: last.Branch,
|
|
Message: last.Message,
|
|
Author: frontend.Author{
|
|
Name: last.Author,
|
|
Email: last.Email,
|
|
Avatar: last.Avatar,
|
|
},
|
|
},
|
|
},
|
|
Job: frontend.Job{
|
|
Number: job.Number,
|
|
Matrix: job.Environment,
|
|
},
|
|
Sys: frontend.System{
|
|
Name: "drone",
|
|
Link: link,
|
|
Arch: "linux/amd64",
|
|
},
|
|
}
|
|
}
|