skf-api.sh error on line 12

[cptfixit]

Good day,

During startup via docker-compose the skf-api_container shows the following snippets of logging. It includes a clear indication of a mistake on line twelve (12) of the skf-api.sh script.

skf-api_container | + touch /home/user_api/.kube/config
skf-api_container | + base64 -d
skf-api_container | + echo
skf-api_container | + export KUBECONFIG=/home/user_api/.kube/config
skf-api_container | + KUBECONFIG=/home/user_api/.kube/config
skf-api_container | + '[' '' -gt 10 ']'
skf-api_container | /home/user_api/Docker/alpine-cloud/api/skf-api.sh: line 12: [: : integer expression expected
skf-api_container | + cd /home/user_api
skf-api_container | + export FLASK_APP=/home/user_api/skf/app.py
skf-api_container | + FLASK_APP=/home/user_api/skf/app.py
skf-api_container | + export PYTHONPATH=.
skf-api_container | + PYTHONPATH=.

To call out the exact line: skf-api_container | /home/user_api/Docker/alpine-cloud/api/skf-api.sh: line 12: [: : integer expression expected

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[cptfixit]

This issue relates to the following piece of code:

if [ "$GOOGLE_CREDENTIALS" -gt 10 ]
then
 echo $GOOGLE_CREDENTIALS | base64 -d  > /home/user_api/.kube/gsa-key.json 
 export GOOGLE_APPLICATION_CREDENTIALS=/home/user_api/.kube/gsa-key.json 
fi

So, the error occurs when the Google credentials are not set at all. I suggest adding an additional test to first test for null/zero on the relevant variable.

[cptfixit]

This issue appears to be resolved in a later version of the container image. If you use version 4.1.0 of the image, this error no longer occurs.