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📝 Updates info section of status check docs

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Alicia Sykes 2021-08-26 23:02:22 +01:00
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docs/status-indicators.md
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@ -1,6 +1,6 @@
# Status Indicators
Dashy has an optional feature that can display a small icon next to each of your running services, indicating it's current status. This is useful if you are using Dashy as your homelab's start page, as it gives you an overview of the health of each of your running services.
Dashy has an optional feature that can display a small icon next to each of your running services, indicating it's current status. This can be useful if you are using Dashy as your homelab's start page, as it gives you an overview of the health of each of your running services. The status feature will show response time, response code, online/ offline check and if applicable, a relevant error message
<p align="center">
<img width="800" src="/docs/assets/status-check-demo.gif" />
@ -24,21 +24,21 @@ sections:
description: Firewall Central Management
icon: networking/opnsense.png
url: https://192.168.1.1
statusCheck: false
statusCheck: false
- title: MalTrail
description: Malicious traffic detection system
icon: networking/maltrail.png
url: http://192.168.1.1:8338
statusCheck: true
statusCheck: true
- title: Ntopng
description: Network traffic probe and network use monitor
icon: networking/ntop.png
url: http://192.168.1.1:3001
statusCheck: true
statusCheck: true
```
## Continuous Checking
By default, with status indicators enabled Dashy will check an applications status on page load, and will not keep indicators updated. This is usually desirable behavior. However, if you do want the status indicators to continue to poll your running services, this can be enabled by setting the `statusCheckInterval` attribute. Here you define an interval in seconds, and Dashy will poll your apps every x seconds. Note that if this number is very low (below 5 seconds), you may notice the app running slightly slower.
By default, with status indicators enabled Dashy will check an applications status on page load, and will not keep indicators updated. This is usually desirable behavior. However, if you do want the status indicators to continue to poll your running services, this can be enabled by setting the `statusCheckInterval` attribute. Here you define an interval as an integer in seconds, and Dashy will poll your apps every x seconds. Note that if this number is very low (below 5 seconds), you may notice the app running slightly slower.
The following example, will instruct Dashy to continuously check the status of your services every 20 seconds
@ -58,7 +58,7 @@ If your service is responding with an error, despite being up and running, it is
For example, `statusCheckHeaders: { 'X-Custom-Header': 'foobar' }`
## Disabling Security
By default, (if you're using HTTPS) any requests to insecure or non-HTTPS content will be blocked. This will likely cause the status check to fail. If you trust the endpoint (e.g. you're self-hosting it), then you can disable this security measure for an individual item. This is done by setting `statusCheckAllowInsecure: true`
By default, (if you're using HTTPS) any requests to insecure or non-HTTPS content will be blocked. This will cause the status check to fail. If you trust the endpoint (e.g. you're self-hosting it), then you can disable this security measure for an individual item. This is done by setting `statusCheckAllowInsecure: true`
## Troubleshooting Failing Status Checks
If the status is always returning an error, despite the service being online, then it is most likely an issue with access control, and should be fixed with the correct headers. Hover over the failing status to see the error code and response, in order to know where to start with addressing it.
@ -68,12 +68,16 @@ If you are still having issues, it may be because your target application is blo
Access-Control-Allow-Origin: https://location-of-dashy/
Vary: Origin
```
If the URL you are checking is not using HTTPS, then you may need to disable the rejection of insecure requests. This can be done by setting `statusCheckAllowInsecure` to true for a given item.
If you're serving Dashy though a CDN, instead of using the Node server or Docker image, then the Node endpoint that makes requests will not be available to you, and all requests will fail. A workaround for this may be implemented in the future, but in the meantime, your only option is to use the Docker or Node deployment method.
For further troubleshooting, use an application like [Postman](https://postman.com) to diagnose the issue.
## How it Works
When Dashy is loaded, items with `statusCheck` enabled will make a request, to `https://[your-host-name]/ping?url=[address-or-servce]`, which in turn will ping that running service, and respond with a status code. Response time is calculated from the difference between start and end time of the request.
When the app is loaded, if `appConfig.statusCheck: true` is set, or if any items have the `statusCheck: true` enabled, then Dashy will make a request, to `https://[your-host-name]/ping?url=[address-or-servce]` (may al include GET params for headers and the secure flag), which in turn will ping that running service, and respond with a status code. Response time is calculated from the difference between start and end time of the request.
When the response completes, an indicator will display next to each item. The color denotes the status: Yellow while waiting for the response to return, green if request was successful, red if it failed, and grey if it was unable to make the request all together.
All requests are made straight from your server, there is no intermediary. So providing you are hosting Dashy yourself, and are checking the status of other self-hosted services, there shouldn't be any privacy concerns. Requests are made asynchronously, so this won't have any impact on page load speeds. However recurring requests (using `statusCheckInterval`) may run more slowly if the interval between requests is very short.
All requests are made straight from your server, there is no intermediary. So providing you are hosting Dashy yourself, and are checking the status of other self-hosted services, there shouldn't be any privacy concerns. Requests are made asynchronously, so this won't have any significant impact on page load speeds. However recurring requests (using `statusCheckInterval`) may run more slowly if the interval between requests is very short.