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ReleaseProcess-create-docker-image.md  (zonemaster-2021.2):ReleaseProcess-create-docker-image.md  (zonemaster-2021.2.1)
Release Process - Create Docker Image Release Process - Create Docker Image
===================================== =====================================
## Table of contents ## Table of contents
* [1. Overview](#1-overview) * [1. Overview](#1-overview)
* [2. Prerequsite](#2-prerequsite) * [2. Prerequsite](#2-prerequsite)
* [3. Create Docker images](#3-create-docker-images) * [3. Create Docker images](#3-create-docker-images)
* [4. Upload images to Docker Hub](#4-upload-images-to-docker-hub) * [4. Upload images to Docker Hub](#4-upload-images-to-docker-hub)
* [5. Image sanity checks][sanity checks] * [5. Image sanity checks][sanity checks]
* [6. Handy Docker commands](#6-handy-docker-commands) * [6. Handy Docker commands][Handy Docker commands]
## 1. Overview ## 1. Overview
This document covers two stages in the release processes: This document covers two stages in the release processes:
1. Creating Docker images for testing. 1. Creating Docker images for testing.
2. Creating Docker image for publishing on Docker Hub 2. Creating Docker image for publishing on Docker Hub
Presently only Zonemaster-CLI is published, and therefore only Zonemaster-LDNS, Presently only Zonemaster-CLI is published, and therefore only Zonemaster-LDNS,
Zonemaster-Engine and Zonemaster-CLI are covered here. Zonemaster-Engine and Zonemaster-CLI are covered here.
skipping to change at line 33 skipping to change at line 33
## 2. Prerequsite ## 2. Prerequsite
The steps in this documents are assumed to be executed on a computer installed The steps in this documents are assumed to be executed on a computer installed
as an [Ubuntu Build Environment] computer. It could work on another OS as long as an [Ubuntu Build Environment] computer. It could work on another OS as long
as the same support is available. as the same support is available.
All commands in this instruction are assumed to be executed from the one and the All commands in this instruction are assumed to be executed from the one and the
same directory. If you run `cd`, then you have to run `cd` back to the start same directory. If you run `cd`, then you have to run `cd` back to the start
directory. directory.
The Docker environment is assumed to be clean. Consider running the following
commands to clean up before proceeding (see section "[Handy Docker commands]"):
```sh
[ "$(docker ps -a -q)" != '' ] && docker rm -f $(docker ps -a -q)
```
```sh
[ "$(docker image ls -q)" != '' ] && docker image prune -a
```
## 3. Create Docker images ## 3. Create Docker images
Clone the three repositories: Clone the three repositories:
```sh ```sh
git clone https://github.com/zonemaster/zonemaster-ldns git clone https://github.com/zonemaster/zonemaster-ldns
git clone https://github.com/zonemaster/zonemaster-engine git clone https://github.com/zonemaster/zonemaster-engine
git clone https://github.com/zonemaster/zonemaster-cli git clone https://github.com/zonemaster/zonemaster-cli
``` ```
skipping to change at line 65 skipping to change at line 74
```sh ```sh
git -C zonemaster-ldns checkout origin/master git -C zonemaster-ldns checkout origin/master
git -C zonemaster-engine checkout origin/master git -C zonemaster-engine checkout origin/master
git -C zonemaster-cli checkout origin/master git -C zonemaster-cli checkout origin/master
``` ```
Create `Makefile` in all three repositories Create `Makefile` in all three repositories
```sh ```sh
(cd zonemaster-ldns; git clean -dfx; perl Makefile.PL) (cd zonemaster-ldns; git clean -dfx; git reset --hard; perl Makefile.PL)
``` ```
```sh ```sh
(cd zonemaster-engine; git clean -dfx; perl Makefile.PL) (cd zonemaster-engine; git clean -dfx; git reset --hard; perl Makefile.PL)
``` ```
```sh ```sh
(cd zonemaster-cli; git clean -dfx; perl Makefile.PL) (cd zonemaster-cli; git clean -dfx; git reset --hard; perl Makefile.PL)
``` ```
Create an image for each repository. That image will be tagged "local". The Create an image for each repository. That image will be tagged "local". The
images must be created in order since there is a dependency on the previous images must be created in order since there is a dependency on the previous
image in each step. image in each step.
```sh ```sh
make -C zonemaster-ldns all dist docker-build make -C zonemaster-ldns all dist docker-build
``` ```
```sh ```sh
make -C zonemaster-engine all docker-build make -C zonemaster-engine all dist docker-build
``` ```
```sh ```sh
make -C zonemaster-cli all docker-build make -C zonemaster-cli all dist docker-build
``` ```
For the Zonemaster-CLI image, add a version tag and a tag "latest". For the Zonemaster-CLI image, add a version tag and a tag "latest".
* Add version tag: * Add version tag:
```sh ```sh
make -C zonemaster-cli docker-tag-version make -C zonemaster-cli docker-tag-version
``` ```
* Add tag "latest": * Add tag "latest":
```sh ```sh
make -C zonemaster-cli docker-tag-latest make -C zonemaster-cli docker-tag-latest
``` ```
All the created images can now be listed. Also consider doing [sanity checks] to All the created images can now be listed. Also consider doing [sanity checks] to
verify that all images work. List images: verify that all images work. Images without tag are temporary images without
further use. List images:
```sh ```sh
docker images docker images
``` ```
## 4. Upload images to Docker Hub ## 4. Upload images to Docker Hub
To upload an image to the Zonemaster Docker Hub organization you have to have To upload an image to the Zonemaster Docker Hub organization you have to have
a Docker Hub account and the authorization to upload images. a Docker Hub account and the authorization to upload images.
```sh ```sh
docker login -u $DOCKERUSER docker login
``` ```
The same image is pushed twice with different tags. Verify in the listing The same image is pushed twice with different tags. Verify in the listing
above that they have the same ID. above that they have the same ID.
* Push latest. * Push latest.
```sh ```sh
docker push zonemaster/cli:latest docker push zonemaster/cli:latest
``` ```
* Set correct version (see listing) and push image with version tag: * Set correct version (see listing above) and push image with version tag:
```sh ```sh
docker push zonemaster/cli:v0.0.0 docker push zonemaster/cli:v0.0.0
``` ```
## 5. Image sanity checks ## 5. Image sanity checks
Zonemaster-LDNS: Zonemaster-LDNS:
```sh ```sh
docker run --rm zonemaster/ldns:local perl -MZonemaster::LDNS -E 'say Zonemaster ::LDNS->new("9.9.9.9")->query("zonemaster.net")->string' docker run --rm zonemaster/ldns:local perl -MZonemaster::LDNS -E 'say Zonemaster ::LDNS->new("9.9.9.9")->query("zonemaster.net")->string'
skipping to change at line 192 skipping to change at line 202
```sh ```sh
docker save -o docker-zonemaster-cli.tar zonemaster/engine docker save -o docker-zonemaster-cli.tar zonemaster/engine
``` ```
Load an image from a tar file Load an image from a tar file
```sh ```sh
docker load -i docker-zonemaster-cli.tar docker load -i docker-zonemaster-cli.tar
``` ```
[Ubuntu Build Environment]: ../distrib-testing/Ubuntu-build-enviro nment.md [Ubuntu Build Environment]: ../distrib-testing/Ubuntu-build-enviro nment.md
[sanity checks]: #5-image-sanity-checks [Sanity checks]: #5-image-sanity-checks
[Handy Docker commands]: #6-handy-docker-commands
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