文件列表:

datadog/
flask/
redis/
terraform/
.env
app.png
compose.yml
terraform.sh

## Overview A dummy webapp, where users click a button and things happen. Instrumented with Datadog for Metrics, RUM, Logs and Traces.  **Flask** handles cookie-based authentication, web page template rendering and some back-end plumbery. Clicking the big button increments a counter for that user, stored in **Redis**. But it may fail, and run take 100s of milliseconds to run. The webapp comes with a basic collection of Datadog Monitors and Dashboards, deployable through a wrapped and dockerized [Terraform CLI](https://github.comhttps://developer.hashicorp.com/terraform/cli/commands). ## How To ### Setup 1. install [Docker Desktop](https://github.comhttps://www.docker.com/products/docker-desktop/) 2. Create a [Datadog Org](https://github.comhttps://app.datadoghq.com/signup), and update `DD_SITE` in the `.env` file (see [documentation](https://github.comhttps://docs.datadoghq.com/getting_started/site/#access-the-datadog-site) for reference) 3. Get an [API key](https://github.comhttps://app.datadoghq.com/organization-settings/api-keys), an [APP key](https://github.comhttps://app.datadoghq.com/organization-settings/application-keys) as well as a [Client Token](https://github.comhttps://app.datadoghq.com/organization-settings/client-tokens), and update `DD_API_KEY`, `DD_APP_KEY` and `DD_CLIENT_TOKEN` accordingly in the `.env` file. 4. Create a [Datadog RUM Application](https://github.comhttps://app.datadoghq.com/rum/application/create) for Javascript, and update `DD_APPLICATION_ID` in the `.env` file. 5. Update the `NOTIF_EMAIL` in the `.env` file with an email where to send datadog notifications (you can use the email you used for your Datadog Account). ### Run Run `docker compose up` from a terminal at the root of the `redis-sandbox` folder: ```bash $ docker compose up [+] Running 3/3 Container redis Created 10.0s Container datadog Created 10.0s Container flask Created 10.0s ``` Ctrl-C would kill the app. ### Play From a web browser: * Connect to `http://localhost:8000`. You'll be logged in as a random user `abcd1234@sandbox.com`. * Alternatively, log in as any user injecting their user_id in the URL (yay... security): `http://localhost:8000/?user_id=john.doe`. Your cookie expires when you close your browser. ### Terraform Terraform runs within a docker container, with working directory properly wired to the terraform configuration (see [--chdir option](https://github.comhttps://developer.hashicorp.com/terraform/cli/commands#switching-working-directory-with-chdir) ) ``` bash $ ./terraform.sh init Initializing the backend... [...] Terraform has been successfully initialized! ``` ``` bash $ ./terraform.sh apply [...] Apply complete! Resources: 3 added, 0 changed, 0 destroyed. ``` ``` bash $ ./terraform.sh output monitor_tags [ "env:sandbox", "owner:terraform" ] ``` ``` bash $ ./terraform.sh destroy [...] Destroy complete! Resources: 3 destroyed. ``` ### Observe * [Service Catalog](https://github.comhttps://app.datadoghq.com/metric/summary?tags=env%3Asandbox) * [Metrics](https://github.comhttps://app.datadoghq.com/metric/summary) * [Logs](https://github.comhttps://app.datadoghq.com/logs?query=env%3Asandbox) * [Trace](https://github.comhttps://app.datadoghq.com/apm/traces?query=%40_top_level%3A1%20env%3Asandbox) * [RUM Events](https://github.comhttps://app.datadoghq.com/rum/explorer?query=%40type%3Asession) ... [Dashboards](https://github.comhttps://app.datadoghq.com/dashboard/lists), [Monitors](https://github.comhttps://app.datadoghq.com/monitors#recommended?q=integration:Redis&p=1)

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