mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-09-08 13:06:42 +00:00
437 lines
12 KiB
Go
437 lines
12 KiB
Go
// Copyright 2018 Drone.IO Inc.
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// Copyright 2021 Informatyka Boguslawski sp. z o.o. sp.k., http://www.ib.pl/
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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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// This file has been modified by Informatyka Boguslawski sp. z o.o. sp.k.
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package api
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import (
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"context"
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"crypto/sha256"
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"encoding/json"
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"fmt"
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"math/rand"
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"net/http"
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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/rs/zerolog/log"
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"github.com/woodpecker-ci/woodpecker/pipeline/frontend/yaml"
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"github.com/woodpecker-ci/woodpecker/pipeline/rpc"
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"github.com/woodpecker-ci/woodpecker/server"
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"github.com/woodpecker-ci/woodpecker/server/model"
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"github.com/woodpecker-ci/woodpecker/server/pubsub"
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"github.com/woodpecker-ci/woodpecker/server/queue"
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"github.com/woodpecker-ci/woodpecker/server/remote"
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"github.com/woodpecker-ci/woodpecker/server/shared"
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"github.com/woodpecker-ci/woodpecker/server/store"
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"github.com/woodpecker-ci/woodpecker/shared/token"
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)
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var skipRe = regexp.MustCompile(`\[(?i:ci *skip|skip *ci)\]`)
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func init() {
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rand.Seed(time.Now().UnixNano())
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}
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func GetQueueInfo(c *gin.Context) {
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c.IndentedJSON(200,
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server.Config.Services.Queue.Info(c),
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)
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}
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func PauseQueue(c *gin.Context) {
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server.Config.Services.Queue.Pause()
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c.Status(http.StatusOK)
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}
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func ResumeQueue(c *gin.Context) {
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server.Config.Services.Queue.Resume()
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c.Status(http.StatusOK)
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}
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func BlockTilQueueHasRunningItem(c *gin.Context) {
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for {
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info := server.Config.Services.Queue.Info(c)
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if info.Stats.Running == 0 {
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break
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}
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}
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c.Status(http.StatusOK)
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}
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func PostHook(c *gin.Context) {
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remote_ := remote.FromContext(c)
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store_ := store.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.Error().Msgf("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.Error().Msgf("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.Info().Msgf("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_.GetRepoName(tmpRepo.Owner + "/" + tmpRepo.Name)
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if err != nil {
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log.Error().Msgf("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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if !repo.IsActive {
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log.Error().Msgf("ignoring hook. %s/%s is inactive.", tmpRepo.Owner, tmpRepo.Name)
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_ = c.AbortWithError(204, 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.Error().Msgf("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.Error().Msgf("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.Warn().Msgf("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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if build.Event == model.EventPull && !repo.AllowPull {
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log.Info().Msgf("ignoring hook. repo %s is disabled for pull requests.", repo.FullName)
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_, _ = c.Writer.Write([]byte("pulls are disabled on woodpecker for this repo"))
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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(repo.UserID)
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if err != nil {
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log.Error().Msgf("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 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 build.
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if refresher, ok := remote_.(remote.Refresher); ok {
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ok, err := refresher.Refresh(c, user)
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if err != nil {
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log.Error().Msgf("failed to refresh oauth2 token: %s", err)
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} else if ok {
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if err := store_.UpdateUser(user); err != nil {
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log.Error().Msgf("error while updating user: %s", err)
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// move forward
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}
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}
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}
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// fetch the build file from the remote
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configFetcher := shared.NewConfigFetcher(remote_, user, repo, build)
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remoteYamlConfigs, err := configFetcher.Fetch(c)
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if err != nil {
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log.Error().Msgf("error: %s: cannot find %s in %s: %s", repo.FullName, repo.Config, build.Ref, err)
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_ = c.AbortWithError(404, err)
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return
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}
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filtered, err := branchFiltered(build, remoteYamlConfigs)
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if err != nil {
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log.Error().Msgf("failure to parse yaml from hook for %s. %s", repo.FullName, err)
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_ = c.AbortWithError(400, err)
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}
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if filtered {
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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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if zeroSteps(build, remoteYamlConfigs) {
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c.String(200, "Step conditions yield zero runnable steps")
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return
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}
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// update some build fields
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build.RepoID = repo.ID
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build.Verified = true
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build.Status = model.StatusPending
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if repo.IsGated && build.Sender != user.Login {
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build.Status = model.StatusBlocked
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}
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err = store_.CreateBuild(build, build.Procs...)
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if err != nil {
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log.Error().Msgf("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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// persist the build config for historical correctness, restarts, etc
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for _, remoteYamlConfig := range remoteYamlConfigs {
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_, err := findOrPersistPipelineConfig(repo, build, remoteYamlConfig)
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if err != nil {
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log.Error().Msgf("failure to find or persist build config 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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}
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c.JSON(200, build)
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if build.Status == model.StatusBlocked {
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return
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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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envs := map[string]string{}
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if server.Config.Services.Environ != nil {
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globals, _ := server.Config.Services.Environ.EnvironList(repo)
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for _, global := range globals {
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envs[global.Name] = global.Value
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}
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}
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secs, err := server.Config.Services.Secrets.SecretListBuild(repo, build)
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if err != nil {
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log.Debug().Msgf("Error getting secrets for %s#%d. %s", repo.FullName, build.Number, err)
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}
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regs, err := server.Config.Services.Registries.RegistryList(repo)
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if err != nil {
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log.Debug().Msgf("Error getting registry credentials for %s#%d. %s", repo.FullName, build.Number, err)
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}
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// get the previous build so that we can send status change notifications
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last, _ := store_.GetBuildLastBefore(repo, build.Branch, build.ID)
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b := shared.ProcBuilder{
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Repo: repo,
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Curr: build,
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Last: last,
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Netrc: netrc,
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Secs: secs,
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Regs: regs,
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Envs: envs,
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Link: server.Config.Server.Host,
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Yamls: remoteYamlConfigs,
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}
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buildItems, err := b.Build()
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if err != nil {
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if _, err = shared.UpdateToStatusError(store_, *build, err); err != nil {
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log.Error().Msgf("Error setting error status of build for %s#%d. %s", repo.FullName, build.Number, err)
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}
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return
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}
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build = shared.SetBuildStepsOnBuild(b.Curr, buildItems)
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err = store_.ProcCreate(build.Procs)
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if err != nil {
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log.Error().Msgf("error persisting procs %s/%d: %s", repo.FullName, build.Number, err)
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}
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defer func() {
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for _, item := range buildItems {
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uri := fmt.Sprintf("%s/%s/build/%d", server.Config.Server.Host, repo.FullName, build.Number)
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if len(buildItems) > 1 {
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err = remote_.Status(c, user, repo, build, uri, item.Proc)
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} else {
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err = remote_.Status(c, user, repo, build, uri, nil)
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}
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if err != nil {
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log.Error().Msgf("error setting commit status for %s/%d: %v", repo.FullName, build.Number, err)
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}
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}
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}()
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if err := publishToTopic(c, build, repo, model.Enqueued); err != nil {
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log.Error().Err(err).Msg("publishToTopic")
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}
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if err := queueBuild(build, repo, buildItems); err != nil {
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log.Error().Err(err).Msg("queueBuild")
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}
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}
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// TODO: parse yaml once and not for each filter function
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func branchFiltered(build *model.Build, remoteYamlConfigs []*remote.FileMeta) (bool, error) {
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log.Trace().Msgf("hook.branchFiltered(): build branch: '%s' build event: '%s' config count: %d", build.Branch, build.Event, len(remoteYamlConfigs))
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for _, remoteYamlConfig := range remoteYamlConfigs {
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parsedPipelineConfig, err := yaml.ParseString(string(remoteYamlConfig.Data))
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if err != nil {
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log.Trace().Msgf("parse config '%s': %s", remoteYamlConfig.Name, err)
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return false, err
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}
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log.Trace().Msgf("config '%s': %#v", remoteYamlConfig.Name, parsedPipelineConfig)
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if !parsedPipelineConfig.Branches.Match(build.Branch) && build.Event != model.EventTag && build.Event != model.EventDeploy {
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} else {
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return false, nil
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}
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}
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return true, nil
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}
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func zeroSteps(build *model.Build, remoteYamlConfigs []*remote.FileMeta) bool {
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b := shared.ProcBuilder{
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Repo: &model.Repo{},
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Curr: build,
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Last: &model.Build{},
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Netrc: &model.Netrc{},
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Secs: []*model.Secret{},
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Regs: []*model.Registry{},
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Link: "",
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Yamls: remoteYamlConfigs,
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}
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buildItems, err := b.Build()
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if err != nil {
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return false
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}
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if len(buildItems) == 0 {
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return true
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}
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return false
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}
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func findOrPersistPipelineConfig(repo *model.Repo, build *model.Build, remoteYamlConfig *remote.FileMeta) (*model.Config, error) {
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sha := shasum(remoteYamlConfig.Data)
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conf, err := server.Config.Storage.Config.ConfigFindIdentical(build.RepoID, sha)
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if err != nil {
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conf = &model.Config{
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RepoID: build.RepoID,
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Data: remoteYamlConfig.Data,
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Hash: sha,
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Name: shared.SanitizePath(remoteYamlConfig.Name),
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}
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err = server.Config.Storage.Config.ConfigCreate(conf)
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if err != nil {
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// retry in case we receive two hooks at the same time
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conf, err = server.Config.Storage.Config.ConfigFindIdentical(build.RepoID, sha)
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if err != nil {
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return nil, err
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}
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}
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}
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buildConfig := &model.BuildConfig{
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ConfigID: conf.ID,
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BuildID: build.ID,
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}
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err = server.Config.Storage.Config.BuildConfigCreate(buildConfig)
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if err != nil {
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return nil, err
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}
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return conf, nil
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}
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// publishes message to UI clients
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func publishToTopic(c *gin.Context, build *model.Build, repo *model.Repo, event model.EventType) error {
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message := pubsub.Message{
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Labels: map[string]string{
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"repo": repo.FullName,
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"private": strconv.FormatBool(repo.IsSCMPrivate),
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},
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}
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buildCopy := *build
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buildCopy.Procs = model.Tree(buildCopy.Procs)
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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: buildCopy,
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})
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return server.Config.Services.Pubsub.Publish(c, "topic/events", message)
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}
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func queueBuild(build *model.Build, repo *model.Repo, buildItems []*shared.BuildItem) error {
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var tasks []*queue.Task
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for _, item := range buildItems {
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if item.Proc.State == model.StatusSkipped {
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continue
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}
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task := new(queue.Task)
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task.ID = fmt.Sprint(item.Proc.ID)
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task.Labels = map[string]string{}
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for k, v := range item.Labels {
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task.Labels[k] = v
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}
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task.Labels["platform"] = item.Platform
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task.Labels["repo"] = repo.FullName
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task.Dependencies = taskIds(item.DependsOn, buildItems)
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task.RunOn = item.RunsOn
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task.DepStatus = make(map[string]string)
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task.Data, _ = json.Marshal(rpc.Pipeline{
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ID: fmt.Sprint(item.Proc.ID),
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Config: item.Config,
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Timeout: repo.Timeout,
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})
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if err := server.Config.Services.Logs.Open(context.Background(), task.ID); err != nil {
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return err
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}
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tasks = append(tasks, task)
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}
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return server.Config.Services.Queue.PushAtOnce(context.Background(), tasks)
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}
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func taskIds(dependsOn []string, buildItems []*shared.BuildItem) (taskIds []string) {
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for _, dep := range dependsOn {
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for _, buildItem := range buildItems {
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if buildItem.Proc.Name == dep {
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taskIds = append(taskIds, fmt.Sprint(buildItem.Proc.ID))
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}
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}
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}
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return
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}
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func shasum(raw []byte) string {
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sum := sha256.Sum256(raw)
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return fmt.Sprintf("%x", sum)
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}
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