AWS Code Pipeline Run Commands After Deployment

Question

I have setup an AWS Pipeline that automatically sources my code from an S3 Bucket, Builds it and Deploys it to EC2 instances. I would now like to run some shell commands (eg: Start a python script) automatically. How can I integrate that in Pipeline?

are you using codedeploy ro some other deployment service?

bryan60
– bryan60

2018-11-02 21:13:09 +00:00
Commented Nov 2, 2018 at 21:13 — bryan60
– bryan60, Commented Nov 2, 2018 at 21:13

bryan60 · Accepted Answer · 2018-11-02 21:26:49Z

3

If you're using code deploy, the answer is in your appspec.yml file which provides for the execution of commands at certain lifecycle hooks in the deployment.

I'm guessing you want the "ApplicationStart" hook. you use hooks by adding a section like:

hooks:
  BeforeInstall:
    - location: Scripts/UnzipResourceBundle.sh
    - location: Scripts/UnzipDataBundle.sh
  AfterInstall:
    - location: Scripts/RunResourceTests.sh
      timeout: 180
  ApplicationStart:
    - location: Scripts/RunFunctionalTests.sh
      timeout: 3600
  ValidateService:
    - location: Scripts/MonitorService.sh
      timeout: 3600
      runas: codedeployuser

Code example from AWS docs: https://docs.aws.amazon.com/codedeploy/latest/userguide/reference-appspec-file-example.html

pretty much the deployer agent will run the commands in the "location" clause at the given life cycle hook. As you can see, there are other options which are fullly documented in code deploy docs.

If you're using CodePipeline with some alternate deployment agent, best bet is to ask a question about that deploy agent or look at their docs. Pipeline just coordinates a code repo, a build agent and a deploy agent. It doesn't actually do the deployment itself or execute deployment commands.

edited Nov 2, 2018 at 21:26

answered Nov 2, 2018 at 21:17

bryan60

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5 Comments

MrD Over a year ago

That makes sense but still not working, in case I'll followup with another question

bryan60 Over a year ago

you need to put your shell command file in the listed location (location is relative to the deployment location unless you make it absolute) and also make sure the deployer has the appropriate permissions or use sudo appropriately.

MrD Over a year ago

Yes that's fine, basically what I'm trying to do is to copy one of the directories deployed into a docker container by using docker cp but.... it appears the directory isn't actually there when AfterInstall is called

bryan60 Over a year ago

integrating this with docker is not something I've ever really tried so there could definitely be some gotchas there. There usually is

MrD Over a year ago

Ok so as you were saying I was using the wrong directory, I now put the absolute path and we shall see...

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