Generator is a conventional Docker image builder that simply accepts webhooks from any Github repository, builds an image for that repository, and pushes it to the supplied registry.
- Generator receives a build request, for example, via a GitHub commit webhook.
- Generator builds and tags the resulting image.
- Generator then pushes the image to the supplied Docker registry such as dockyard.
Compile is as simple as:
# create a 'github.com/containerops' directory in your GOPATH/src
cd github.com/containerops
git clone https://github.com/containerops/generator
cd generator
go build
Before using generator
service, some prerequisites should be done first.
As the default registry for generator, dockyard should be deployed starting generator
service. You can follow the instruction to complete the operation.
Add a config file named pool.json
at generator/conf
directory before starting generator
service. Below is a pool.json
example:
{
"docker":[
{
"url":"127.0.0.1",
"port":"19000"
},
{
"url":"127.0.0.1",
"port":"19100"
}
]
}
Run docker daemon corresponding to the pool.json
$ docker daemon --insecure-registry=containerops.me -iptables=false -H :19000 -g /opt/docker-data/19000 &
$ docker daemon --insecure-registry=containerops.me -iptables=false -H :19100 -g /opt/docker-data/19100 &
Add a config file named runtime.conf
at generator/conf
directory before starting generator
service. Below is a runtime.conf
example:
runmode = dev
listenmode = http
httpscertfile = cert/containerops/containerops.crt
httpskeyfile = cert/containerops/containerops.key
[log]
filepath = log/containerops-log
[db]
uri = localhost:6379
passwd = containerops
db = 8
[generator]
genurl = containerops.me
dockerfilepath = /tmp
Start generator
service:
$ ./generator web &
- Preparing Dockerfile
FROM ubuntu
MAINTAINER Cheng Tiesheng <chengtiesheng@huawei.com>
ENV TERM xterm
EXPOSE 80
- Encoding Dockerfile by Base64
RlJPTSAgICAgICB1YnVudHUNCg0KTUFJTlRBSU5FUiBDaGVuZyBUaWVzaGVuZyA8Y2hlbmd0aWVzaGVuZ0BodWF3ZWkuY29tPg0KDQpFTlYgVEVSTSB4dGVybQ0KDQpFWFBPU0UgODA=
- Use Web broswer to trigger REST API call
http://localhost:8080/b1/build?mode=dockerfile&imagename=containerops.me/cts/example&context=RlJPTSAgICAgICB1YnVudHUNCg0KTUFJTlRBSU5FUiBDaGVuZyBUaWVzaGVuZyA8Y2hlbmd0aWVzaGVuZ0BodWF3ZWkuY29tPg0KDQpFTlYgVEVSTSB4dGVybQ0KDQpFWFBPU0UgODA=
Then you will ge a job id such as:
f96ab2530d17c08716d2850d17c08729
- Following the progress of a build
You can get the build log by using web socket:
ws://localhost:8080/b1/build/log/ws/f96ab2530d17c08716d2850d17c08729
- Get docker image from dockyard
Now, the docker image containerops.me/cts/example has been pushed to dockyard, you can get it by using docker pull:
docker pull containerops.me/cts/example
- Prepare archive including dockerfile
Using hello-world as a example
Download it from github
cd hello-world
tar cvf hello.tar *
mkdir /tmp
cp hello.tar /tmp/
- Use web browser to trigger REST API CALL
http://localhost:8080/b1/build?mode=archive&imagename=containerops.me/cts/example&context=/tmp/hello.tar
- Debug and get logs
Debug and get logs as the way in topic 'trigger a build by dockerfile'