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feature/docker-action (#11)

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Co-authored-by: kjuulh <contact@kjuulh.io>
Reviewed-on: kjuulh/kraken#11
This commit is contained in:
Kasper Juul Hermansen 2022-09-18 11:51:22 +02:00
parent 9696270d22
commit 1ff0014ad4
14 changed files with 202 additions and 21 deletions
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1
.gitignore vendored
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@ -1 +1,2 @@
.cuddle/
.env

8
_examples/actions/docker_action/Dockerfile Normal file
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@ -0,0 +1,8 @@
FROM debian:bullseye-slim
# Kraken relies on this path being the specified path
WORKDIR /src/work/
COPY entry.sh /src/script.sh
CMD [ "/src/script.sh" ]

5
_examples/actions/docker_action/entry.sh Executable file
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@ -0,0 +1,5 @@
#!/bin/bash
set -e
echo "# README docker" > README.md

11
_examples/actions/docker_action/go.mod Normal file
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@ -0,0 +1,11 @@
module write_a_readme
go 1.19
require github.com/bitfield/script v0.20.2
require (
bitbucket.org/creachadair/shell v0.0.7 // indirect
github.com/itchyny/gojq v0.12.7 // indirect
github.com/itchyny/timefmt-go v0.1.3 // indirect
)

20
_examples/actions/docker_action/go.sum Normal file
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@ -0,0 +1,20 @@
bitbucket.org/creachadair/shell v0.0.7 h1:Z96pB6DkSb7F3Y3BBnJeOZH2gazyMTWlvecSD4vDqfk=
bitbucket.org/creachadair/shell v0.0.7/go.mod h1:oqtXSSvSYr4624lnnabXHaBsYW6RD80caLi2b3hJk0U=
github.com/bitfield/script v0.20.2 h1:4DexsRtBILVMEn3EZwHbtJdDqdk43sXI8gM3F04JXgs=
github.com/bitfield/script v0.20.2/go.mod h1:l3AZPVAtKQrL03bwh7nlNTUtgrgSWurpJSbtqspYrOA=
github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
github.com/itchyny/gojq v0.12.7 h1:hYPTpeWfrJ1OT+2j6cvBScbhl0TkdwGM4bc66onUSOQ=
github.com/itchyny/gojq v0.12.7/go.mod h1:ZdvNHVlzPgUf8pgjnuDTmGfHA/21KoutQUJ3An/xNuw=
github.com/itchyny/timefmt-go v0.1.3 h1:7M3LGVDsqcd0VZH2U+x393obrzZisp7C0uEe921iRkU=
github.com/itchyny/timefmt-go v0.1.3/go.mod h1:0osSSCQSASBJMsIZnhAaF1C2fCBTJZXrnj37mG8/c+A=
github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220227234510-4e6760a101f9/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

11
_examples/actions/docker_action/kraken.yml Normal file
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@ -0,0 +1,11 @@
apiVersion: git.front.kjuulh.io/kjuulh/kraken/blob/main/schema/v1
name: write-a-readme
select:
repositories:
- git@git.front.kjuulh.io:kjuulh/kraken-test.git
# providers:
# - gitea: https://git.front.kjuulh.io
# organisation: "cibus"
actions:
- type: docker-build
entry: Dockerfile

4
cmd/kraken/commands/process.go
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@ -22,8 +22,8 @@ func CreateKrakenProcessCmd() *cobra.Command {
Path string `json:"path"`
}{
Repository: "git@git.front.kjuulh.io:kjuulh/kraken.git",
Branch: "feature/gitea-integration",
Path: "_examples/actions/write_a_readme/",
Branch: "feature/docker-action",
Path: "_examples/actions/docker_action/",
})
if err != nil {
panic(err)

12
internal/actions/action.go
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@ -30,6 +30,18 @@ func (a *Action) Execute(ctx context.Context, area *storage.Area) error {
zap.L().Debug("Execution done")
case "docker-build":
zap.L().Debug("Building docker-build")
runCmd, err := builders.NewDockerBuild(zap.L()).Build(ctx, a.SchemaPath, action.Entry)
if err != nil {
return err
}
err = runCmd(ctx, area.Path)
if err != nil {
return err
}
return nil
default:
return errors.New("could not determine action type")
}

95
internal/actions/builders/docker.go Normal file
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@ -0,0 +1,95 @@
package builders
import (
"context"
"crypto/rand"
"encoding/hex"
"errors"
"fmt"
"os"
"os/exec"
"go.uber.org/zap"
"go.uber.org/zap/zapio"
)
type DockerBuild struct {
logger *zap.Logger
}
func NewDockerBuild(logger *zap.Logger) *DockerBuild {
return &DockerBuild{logger: logger}
}
type DockerRunCommand func(ctx context.Context, victimPath string) error
func (g *DockerBuild) Build(ctx context.Context, modulePath, entryPath string) (DockerRunCommand, error) {
g.logger.Debug("Building docker image", zap.String("actiondir", modulePath), zap.String("entry", entryPath))
if _, err := os.Stat(fmt.Sprintf("%s/%s", modulePath, entryPath)); os.IsNotExist(err) {
return nil, errors.New("could not find entry")
}
b := make([]byte, 20)
_, err := rand.Reader.Read(b)
if err != nil {
return nil, err
}
tag := hex.EncodeToString(b)
buildDockerCmd := fmt.Sprintf("(cd %s; docker build -f %s --tag kraken/%s .)", modulePath, entryPath, tag)
g.logger.Debug("Running command", zap.String("command", buildDockerCmd))
cmd := exec.CommandContext(
ctx,
"/bin/bash",
"-c",
buildDockerCmd,
)
debugwriter := &zapio.Writer{
Log: g.logger,
Level: zap.DebugLevel,
}
defer debugwriter.Close()
cmd.Stdout = debugwriter
cmd.Stderr = debugwriter
err = cmd.Start()
if err != nil {
return nil, err
}
err = cmd.Wait()
if err != nil {
return nil, err
}
g.logger.Debug("Docker image built!")
return func(ctx context.Context, victimPath string) error {
g.logger.Debug("Executing script", zap.String("victim", victimPath))
cmd := exec.CommandContext(
ctx,
"/bin/bash",
"-c",
fmt.Sprintf("docker run --rm -v %s/:/src/work/ kraken/%s", victimPath, tag),
)
runDockerWriter := &zapio.Writer{
Log: g.logger,
Level: zap.DebugLevel,
}
defer runDockerWriter.Close()
cmd.Stdout = runDockerWriter
cmd.Stderr = runDockerWriter
err = cmd.Start()
if err != nil {
return err
}
return cmd.Wait()
}, nil
}

19
internal/commands/process_repos.go
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@ -168,6 +168,16 @@ func (pr *ProcessRepos) commit(ctx context.Context, area *storage.Area, repo *pr
return fmt.Errorf("could not add file: %w", err)
}
status, err := wt.Status()
if err != nil {
return err
}
if status.IsClean() {
pr.logger.Info("Returning early, as no modifications are detected")
return nil
}
err = pr.git.Commit(ctx, repo)
if err != nil {
return fmt.Errorf("could not get diff: %w", err)
@ -175,15 +185,6 @@ func (pr *ProcessRepos) commit(ctx context.Context, area *storage.Area, repo *pr
dryrun := false
if !dryrun {
status, err := wt.Status()
if err != nil {
return err
}
if status.IsClean() {
pr.logger.Info("Returning early, as no modifications are detected")
return nil
}
err = pr.git.Push(ctx, repo)
if err != nil {

12
internal/gitproviders/gitea.go
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@ -2,7 +2,9 @@ package gitproviders
import (
"context"
"errors"
"fmt"
"os"
"sync"
"code.gitea.io/sdk/gitea"
@ -121,7 +123,15 @@ func (g *Gitea) getOrCreateClient(ctx context.Context, server string) (*gitea.Cl
client, ok := g.giteaClients[server]
if !ok || client == nil {
c, err := gitea.NewClient(server)
c.SetBasicAuth("kjuulh", "c0bd801cc9a7f2ed559ea45d603afc92f5443f19")
username, ok := os.LookupEnv("GITEA_USERNAME")
if !ok {
return nil, errors.New("missing environment variable GITEA_USERNAME")
}
apitoken, ok := os.LookupEnv("GITEA_API_TOKEN")
if !ok {
return nil, errors.New("missing environment variable GITEA_API_TOKEN")
}
c.SetBasicAuth(username, apitoken)
if err != nil {
return nil, err
}

21
internal/services/providers/git.go
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@ -2,6 +2,7 @@ package providers
import (
"context"
"errors"
"fmt"
"time"
@ -63,12 +64,12 @@ func NewGit(logger *zap.Logger, gitConfig *GitConfig, openPGP *signer.OpenPGP) *
}
func (g *Git) GetOriginHEADForRepo(ctx context.Context, gitRepo *GitRepo) (string, error) {
remote, err := gitRepo.repo.Remote("origin")
auth, err := g.GetAuth()
if err != nil {
return "", err
}
auth, err := g.GetAuth()
remote, err := gitRepo.repo.Remote("origin")
if err != nil {
return "", err
}
@ -82,11 +83,16 @@ func (g *Git) GetOriginHEADForRepo(ctx context.Context, gitRepo *GitRepo) (strin
headRef := ""
for _, ref := range refs {
//g.logger.Debug(ref.String())
if !ref.Name().IsBranch() {
headRef = ref.Target().Short()
}
}
if headRef == "" {
return "", errors.New("no upstream HEAD branch could be found")
}
return headRef, nil
}
@ -107,7 +113,7 @@ func (g *Git) CloneBranch(ctx context.Context, storageArea *storage.Area, repoUr
Auth: auth,
RemoteName: "origin",
ReferenceName: plumbing.NewBranchReferenceName(branch),
SingleBranch: true,
SingleBranch: false,
NoCheckout: false,
Depth: 1,
RecurseSubmodules: 1,
@ -118,7 +124,7 @@ func (g *Git) CloneBranch(ctx context.Context, storageArea *storage.Area, repoUr
}
repo, err := git.PlainCloneContext(ctx, storageArea.Path, false, &cloneOptions)
if err != nil {
if err != nil && !errors.Is(err, git.NoErrAlreadyUpToDate) {
return nil, err
}
@ -144,7 +150,7 @@ func (g *Git) Clone(ctx context.Context, storageArea *storage.Area, repoUrl stri
Auth: auth,
RemoteName: "origin",
ReferenceName: "refs/heads/main",
SingleBranch: true,
SingleBranch: false,
NoCheckout: false,
Depth: 1,
RecurseSubmodules: 1,
@ -245,7 +251,7 @@ func (g *Git) CreateBranch(ctx context.Context, gitRepo *GitRepo) error {
InsecureSkipTLS: false,
CABundle: []byte{},
})
if err != nil {
if err != nil && !errors.Is(err, git.NoErrAlreadyUpToDate) {
return fmt.Errorf("could not pull from origin: %w", err)
}
@ -287,12 +293,11 @@ func (g *Git) Push(ctx context.Context, gitRepo *GitRepo) error {
Auth: auth,
Progress: g.getProgressWriter(),
Prune: false,
Force: false,
Force: true,
InsecureSkipTLS: false,
CABundle: []byte{},
RequireRemoteRefs: []config.RefSpec{},
})
if err != nil {
return err
}

2
roadmap.md
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@ -20,7 +20,7 @@
- [x] Setup a way to choose actions and predicates
- [x] Allow instantiation of actions, kraken template repo etc.
- [ ] Implement docker action
- [x] Implement docker action
- [ ] Providing query results
- [x] Create pr for gitea provider
- [ ] Think about some sort of isolation

2
scripts/run_server.sh
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@ -2,4 +2,6 @@
set -e
export $(cat .env | xargs)
go run cmd/server/server.go start