I have a Django app running on Google AppEngine Standard environment. I've set up a cloud build trigger from my master branch in Github to run the following steps:
steps:
- name: 'python:3.7'
entrypoint: python3
args: ['-m', 'pip', 'install', '--target', '.', '--requirement', 'requirements.txt']
- name: 'python:3.7'
entrypoint: python3
args: ['./manage.py', 'collectstatic', '--noinput']
- name: 'gcr.io/cloud-builders/gcloud'
args: ['app', 'deploy', 'app.yaml']
env:
- 'SHORT_SHA=$SHORT_SHA'
- 'TAG_NAME=$TAG_NAME'
I can see under the Execution Details tab on Cloud Build that the variables were actually set.
The problem is, SHORT_SHA
and TAG_NAME
aren't accessible from my Django app (followed instructions at https://cloud.google.com/cloud-build/docs/configuring-builds/substitute-variable-values#using_user-defined_substitutions ). But if I set them in my app.yaml file with hardcoded values under env_variables
, then my Django app can access those hardcoded values (and the values set in my build don't overwrite those hardcoded in app.yaml).
Why is this? Am I accessing them/setting them incorrectly? Should I be setting them in app.yaml somehow?
I even printed the whole os.environ
dictionary in one of my views to see if they were just there with different names or something, but they're not present in there.
Not the cleanest solution, but I used this medium post as a guidance to my solution. I hypothesize that runserver
command isn't being passed those env variables, and that those variables are only used for the app deploy
command.
.env
file in project dir.env
file in this step) - name: 'python:3.7'
entrypoint: python3
args: ['./create_env_file.py']
env:
- 'SHORT_SHA=$SHORT_SHA'
- 'TAG_NAME=$TAG_NAME'
app deploy
happens
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