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Satellites Above

Alexa skill to tell you the number of satellites overhead.

This AWS Blog Post is a good introduction to creating an Alexa Skill with Zappa and Lambda.

To get started:

$ pip install flask-ask zappa requests awscli

I had previously created a zappa-deploy IAM user w/ AdministratorAccess privledges. I did add a [zappa-deploy] section with the appropriate keys to ~/.aws/credentials.

$ zappa init

Mostly selected the defaults, although I did tell it to use the zappa-deploy config. This creates a zappa_settings.json. I don't track this file in git because it contains a sensitive environmental variable.

What not to do is add it to .gitignore and remove it with

$ git rm --cached zappa_settings.json

as this will delete the file... which is wrong, because you need it for zappa to run.

I should have just done:

$ git update-index --assume-unchanged zappa_settings.json

I order to supply the N2YO api key in a marginally secure manner, I added it as an environment variable that is set via the zappa_settings.json (instructions):

        "environment_variables": {
            "N2YO_API_KEY": "KEYVALUE"
        }

To actually push your endpoint to production:

$ zappa deploy dev

Troubleshooting

Kept getting errors like:

(satellite_pass) satellite_pass $ pip install flask-ask
Collecting flask-ask
  Using cached https://files.pythonhosted.org/packages/6a/f5/d4709ae94584a0b1541e9b52b2d25a8a1bdb6e2da9d6870f23fdd0523a30/Flask-Ask-0.9.8.tar.gz
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/private/var/folders/fn/2wspq0zs4qx9s5wyct0k87bc0000gn/T/pip-install-pbzq0cuf/flask-ask/setup.py", line 8, in <module>
        from pip.req import parse_requirements
    ModuleNotFoundError: No module named 'pip.req'

    ----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /private/var/folders/fn/2wspq0zs4qx9s5wyct0k87bc0000gn/T/pip-install-pbzq0cuf/flask-ask/

Fixed it by specifically installing the latest versino of flask-ask:

$ pip install flask-ask==0.9.7

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