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Notes

Boundary Permission

In the BYU AWS account you have to give permissions boundary to any role you create if it is going to assume other roles. Add: iamRolePermissionBoundary

Testing user

  • byucsstudent (CS email)

Image manipulation

Resize image

ffmpeg -i $imageFile -vf scale=$size:-1 -q 1 $newImageFile

Resize png image without loosing transparency

ffmpeg -i x.png -vf scale=75:-1 -pred mixed -y -pix_fmt rgba caddyLogoS.png

Animated gif creation

ffmpeg -i x.mov -filter_complex "[0:v] fps=6,scale=480:-1,split [a][b];[a] palettegen [p];[b][p] paletteuse" x.gif

Launch multiple OBS

open -n -a OBS.app

Display properties crop 2500, 1400

Multi-cam editing in DaVinci

https://www.youtube.com/watch?v=ZzPZe36RdkU

Handling a merge conflict with the remote

git remote add upstream https://github.com/devops329/jwt-pizza-service.git
git fetch upstream
git checkout main
git merge upstream/main

Triggering chaos

You trigger an injection for a learner with a call like:

curl -X PUT http://localhost:4000/api/admin/vendor/111111 -H "Content-Type:application/json" -H "authorization:Bearer xxxx" -d '{"chaos":{"type":"badjwt|fail|throttle"}}' | jq '.'

This will cause a reportUrl field to start appearing on pizza order requests. The location of the field will differ depending on the injection type. However, it always shows up and if they debug or have good logs they should be able to find it easily.

{
    "order": {
        "items": [
            {
                "menuId": 1,
                "description": "Veggie",
                "price": 0.0038
            }
        ],
        "storeId": "2",
        "franchiseId": 1,
        "id": 155
    },
    "jwt": "jwthere",
    "reportUrl": "http://pizza-factory.cs329.click/api/support/1111111/report/22222222"
}

The learner the calls that url and the problem goes away. In the factory I track when the chaos was injected and when it was resolved.

{
  "chaos": {
    "type": "none",
    "errorDate": "2024-06-07T22:28:40.174Z",
    "fixDate": "2024-06-07T22:28:40.170Z"
  }
}

Creating a Pizza Factory vendor

curl -X POST https://pizza-factory.cs329.click/api/admin/vendor -H 'authorization: Bearer 9s32@352.kfdi(l4;' -H 'Content-Type:application/json' -d '{"id":"byucsstudent", "name":"BYU student"}'

{"apiKey":"b819cdd10d3f8d6fe49358e2c77e393e","vendor":{"id":"byucsstudent","name":"BYU student","created":"2024-07-01T19:12:45.187Z","validUntil":"2025-01-01T19:12:45.187Z"}}