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2.4 KiB
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[[development-basepath]]
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=== Considerations for basePath
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All communication from the Kibana UI to the server needs to respect the
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`server.basePath`. Here are the "blessed" strategies for dealing with this
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based on the context:
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[float]
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==== `<img>` and `<a>` elements
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Write the `src` or `href` urls as you would without the base path, but then
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replace `src` or `href` with `kbn-src` or `kbn-href`.
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["source","shell"]
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-----------
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<img kbn-src="plugins/kibana/images/logo.png">
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-----------
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[float]
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==== Getting a static asset url
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Use webpack to import the asset into the build. This will give you a URL in
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JavaScript and gives webpack a chance to perform optimizations and
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cache-busting.
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["source","shell"]
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-----------
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// in plugin/public/main.js
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import uiChrome from 'ui/chrome';
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import logoUrl from 'plugins/facechimp/assets/banner.png';
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uiChrome.setBrand({
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logo: `url(${logoUrl}) center no-repeat`
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});
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-----------
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[float]
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==== API requests from the front-end
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Use `chrome.addBasePath()` to append the basePath to the front of the url.
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["source","shell"]
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-----------
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import chrome from 'ui/chrome';
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$http.get(chrome.addBasePath('/api/plugin/things'));
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-----------
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[float]
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==== Server side
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Append `config.get('server.basePath')` to any absolute URL path.
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["source","shell"]
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-----------
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const basePath = server.config().get('server.basePath');
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server.route({
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path: '/redirect',
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handler(req, reply) {
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reply.redirect(`${basePath}/otherLocation`);
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}
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});
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-----------
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[float]
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==== BasePathProxy in dev mode
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The Kibana dev server automatically runs behind a proxy with a random
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`server.basePath`. This way developers will be constantly verifying that their
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code works with basePath, while they write it.
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To accomplish this the `serve` task does a few things:
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1. change the port for the server to the `dev.basePathProxyTarget` setting (default `5603`)
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2. start a `BasePathProxy` at `server.port`
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- picks a random 3-letter value for `randomBasePath`
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- redirects from `/` to `/{randomBasePath}`
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- redirects from `/{any}/app/{appName}` to `/{randomBasePath}/app/{appName}` so that refreshes should work
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- proxies all requests starting with `/{randomBasePath}/` to the Kibana server
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This proxy can sometimes have unintended side effects in development, so when
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needed you can opt out by passing the `--no-base-path` flag to the `serve` task
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or `yarn start`.
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["source","shell"]
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-----------
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yarn start --no-base-path
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----------- |