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buildkit-tekton in action

buildkit-tekton

Buildkit frontend to run Tekton objects locally.

This repository produces two artifacts:

  • a Buildkit frontend
  • a tkn-local command to easily consume this frontend (in most situation)

buildkit-tekton Usage

With Docker (v20.04+ with DOCKER_BUILDKIT=1)

Add #syntax=ghcr.io/vdemeester/buildkit-tekton/frontend:v0.3.0 as the first line of you tekton yaml:

docker build -f taskrun.yaml .

With buildctl

buildctl build --frontend=gateway.v0 --opt source=ghcr.io/vdemeester/buildkit-tekton/frontend:v0.3.0 --local context=. --opt-filename=pipelienrun.yaml --local dockerfile=.

Options

No options yet, but there will be a lot.

Examples

There is a examples folder to try things out.

$ docker build -t foo -f examples/0-taskrun-simple/run.yaml .
[+] Building 1.6s (12/12) FINISHED
 => [internal] load build definition from run.yaml                                0.0s
 => => transferring dockerfile: 887B                                              0.0s
 => [internal] load .dockerignore                                                 0.0s
 => => transferring context: 34B                                                  0.0s
 => resolve image config for ghcr.io/vdemeester/buildkit-tekton/frontend:latest   0.0s
 => CACHED docker-image://ghcr.io/vdemeester/buildkit-tekton/frontend:latest      0.0s
 => [tekton] load resource(s) from run.yaml                                       0.0s
 => => transferring dockerfile: 131B                                              0.0s
 => [tekton] load yaml files from context                                         0.0s
 => => transferring context: 33.45kB                                              0.0s
 => resolve image config for docker.io/library/bash:latest                        0.0s
 => CACHED docker-image://docker.io/library/bash:latest                           0.0s
 => [tekton] simple-task-generated/print-date-unix-timestamp                      0.4s
 => [tekton] simple-task-generated/print-date-human-readable                      0.3s
 => [tekton] simple-task-generated/list-results                                   0.3s
 => exporting to image                                                            0.0s
 => => exporting layers                                                           0.0s
 => => writing image sha256:2ff10579bf3e33cf7cda836d8bdd5962f77d9c995fd342bf3b9e  0.0s
 => => naming to docker.io/library/foo
 0.0s

The same PipelineRun on buildkit-tekton and in a kubernetes cluster with tekton installed (both without pre-cached images, … and with approximately the same hardware)

  • buildkit-tekton: 4m5s
  • tekton in k8s: 7m

tkn-local Usage

$ tkn local
Local commands

Usage:
  local [command]

Available Commands:
  completion  Generate the autocompletion script for the specified shell
  help        Help about any command
  prune       Run a tekton resource
  run         Run a tekton resource

Flags:
  -h, --help   help for local

Use "local [command] --help" for more information about a command.