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OK, so now let's create our first data source.

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The first task is going to be the test data DB data source.

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The purpose of this data source is for learning about total fake data.

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OK, so one point about Bafana Bafana allows you to query, visualize, alert on and understand your

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metrics no matter where they are stored.

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OK, so stored, OK, data is not stored in Crafar.

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Instead, you create data sources in your Fatah, which acts like query adapters, which query data

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that exists in the underlying system where the data is stored.

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For example, an SQL server via another interface that can read log files via Prometheus, which can

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raid many other types of data stored in various other systems.

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Some of the Blocks DB signed with Xbox and lasting search, so the data that you're querying is still

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stored in the underlying system, no matter what that is.

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But in Gryffindor, you create things called data sources, which are query adapters that will request

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data from the underlying system, whatever that is.

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So the first data source will create in Gravano is the test DB data source, and this is all just fake

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data that is created randomly in real time.

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OK, so back into Safana on this menu, on the left here, down the left, this gear icon configuration

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data sources and data source.

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And if we scroll all the way to the bottom, select test data DB side, press that whole square.

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You can rename it to anything you like, but that name is perfect.

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We can save and test and this data source updated data sources working excellent here in the dashboards

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section, we get a default dashboard that we can import, so we'll import that OK.

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And in setup, we can visit the actual GitHub repository where the source code is stored if you want.

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And that's what it looks like.

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But we don't need that.

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You can look at that if you want to.

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OK, so that data sources now set up, if we now go to that icon, their dashboards manage down here.

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There's a new one simple streaming example.

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We can click that to view it.

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OK, so this is the test data DB data source.

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Just a very simple dashboard that we can experiment with.

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You can quickly just press the buttons on it to see what they do if you like.

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It doesn't matter if you break anything, we can always fix it up.

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So, for example, if I move things around and I try to exit, you will ask me if I want to say the

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dashboard.

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So let's say I did want set dashboard.

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I can press.

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Yes, I can add my notes if I want press save and I can choose whether I'm saving as a new dashboard

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or overwriting the existing let's just say I overwrite existing dashboard.

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OK, so the dashboard is saved and it's been overwritten as a matter if we go back to dashboards harm

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down the bottom here, it shows my most recently viewed dashboard and that's how it was when I saved

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it.

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But if I decided I didn't like it that way and I wanted to go back to the way it was originally, I

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could go.

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Configuration data sources go back into that dashboards and press re-import, and that will put it back

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to the way it was at the beginning.

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So if you break the dashboard, it doesn't matter.

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Excellent.

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So going back to dashboard time now because I've recently viewed a dashboard is showing up down here.

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So simple streaming example that's back to the way it was when I first viewed it the first time.

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So excellent.

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So feel free to just press the buttons, but it doesn't really matter will go into the more details

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as we progress the next few videos.

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Excellent.