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stellitime-api

Small sample program to facilitate discussions

Description

./app.py invokes a get() or post() operation, depending on absense or presence of a payload argument consisting of a JSON payload containing a "message" string property.

The counter value is stored in a DynamoDB table that has a single row with id and counter_value attributes. The key field id can be overridden by export COUNTER_KEY=some-key.

  • the get() function returns a JSON payload:

    • current time
    • current counter_value from the DynamoDB table
    • and the message Automation For The People

  • the put() function takes a JSON payload containing a message property as input, and also returns a JSON payload:

    • current time
    • incremented counter_value from the DynamoDB table
    • and a copy of message that was passed on the command line.

Setup:

Type make all to:

  • install python3 prerequisites stored in requirements.txt
  • deploy a tiny Cloudformation stack creating the DynamoDB table.

Example Usage:

  • The retrieve the current time and the current counter value (the get() function): 
    ./app.py
  • To echo an arbitary message, and increment the counter (the put() function): 
    ./app.py '{ "message" : "some-string" }'

Example Output

(colorization courtesy of `jq`)