Hi there,
>From within a pipeline i would like to generate parallel jobs, and i
want all these jobs to run as ECS tasks using different specialised
docker images.
Can I use this syntax to achieve that?
----
stages {
stage ('Parallel builds') {
parallel {
stage ('Build#1') {
agent { docker 'image1' }
...
}
stage ('Build#2') {
agent { docker 'image2' }
...
}
}
}
---
>From my experiments, I have the feeling that Jenkins will spawn
dockerised slaves in parallel for each parallel stage (good), but the
docker container will run within the EC2 instance ($DOCKER_HOST), and
thus it won't take advantage of CPU scaling (bad).
Right now, my ECS slave template is configured to use an image which
is just jenkins-jnlp + docker client.
Do I have to create one template per docker image and use "agent {
label '...' }" in place of "agent { docker '...' }"?
This looks weird to me.
Sorry if the question sounds stupid, i'm not that familiar with
Jenkins and Amazon ECS.
Thanks,
Chris
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