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Add an example for IAP on GCE#1099

Merged
theacodes merged 19 commits into
GoogleCloudPlatform:masterfrom
buserp:master
Sep 13, 2017
Merged

Add an example for IAP on GCE#1099
theacodes merged 19 commits into
GoogleCloudPlatform:masterfrom
buserp:master

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@buserp

@buserp buserp commented Sep 6, 2017

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Using Flask, this app verifies the IAP-added headers and returns a greeting.

@googlebot googlebot added the cla: yes This human has signed the Contributor License Agreement. label Sep 6, 2017
Comment thread iap/example_gce_backend.py Outdated
@@ -0,0 +1,30 @@
CLOUD_PROJECT_ID = 'YOUR_PROJECT_ID'

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This file needs a license header.

Comment thread iap/example_gce_backend.py Outdated
CLOUD_PROJECT_ID = 'YOUR_PROJECT_ID'
BACKEND_SERVICE_ID = 'YOUR_BACKEND_SERVICE_ID'

from flask import Flask

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Import modules, not members, so just import flask and use flask.Flask and flask.request.

from flask import Flask
from flask import request

import platform

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Standard library imports go into the first section:

import platform

import flask

import validate_jwt

return "Error: %s" % error_str
else:
return "Hi, {}. I am {}.".format(user_email, platform.node())

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style: two blank spaces between functions.

Comment thread iap/example_gce_backend.py Outdated
return 'OK', 200

if __name__ == '__main__':
app.run(host='0.0.0.0', port=80)

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just use app.run(), do not bind to a specific port. Use gunicorn to run this in production.

Comment thread iap/requirements.txt Outdated
@@ -1,5 +1,6 @@
PyJWT==1.5.2
cryptography==2.0.3
flask

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You must pin versions.

Comment thread iap/example_gce_backend.py Outdated
user_id, user_email, error_str = validate_iap_jwt_from_compute_engine(
jwt, CLOUD_PROJECT_ID, BACKEND_SERVICE_ID)
if error_str:
return "Error: %s" % error_str

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Use single quotes everywhere (except docstrings), and use .format over %.

@buserp

buserp commented Sep 12, 2017

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I've made the changes you requested (I used the "thumbs-up" to mean "done"). Please take another look and let me know what you think.

Comment thread iap/example_gce_backend.py Outdated
return 'Hi, {}. I am {}.'.format(user_email, platform.node())


@app.route('/healthz')

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Why's this needed?

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It's not, actually. I've taken it out.

Comment thread iap/example_gce_backend.py Outdated
# See the License for the specific language governing permissions and
# limitations under the License.

CLOUD_PROJECT_ID = 'YOUR_PROJECT_ID'

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You need to put constant after imports to please the linter.

@buserp

buserp commented Sep 13, 2017

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I don't have merge access, could you merge this if it looks good?

@theacodes

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Yep, there's still one small lint issue. I'll fix it and merge.

@theacodes
theacodes merged commit 9752362 into GoogleCloudPlatform:master Sep 13, 2017
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3 participants