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Fully support displaying all supported PodVolume types (#4131)

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Sebastian Malton authored and GitHub committed 2022-03-28 09:04:15 -04:00
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docs/extensions/guides/renderer-extension.md
+160 -160
View File
@@ -6,29 +6,29 @@ The Renderer Extension API allows you to access, configure, and customize Lens d
The custom Lens UI elements that you can add include:
* [Cluster pages](#clusterpages)
* [Cluster page menus](#clusterpagemenus)
* [Global pages](#globalpages)
* [Welcome menus](#welcomemenus)
* [App preferences](#apppreferences)
* [Top bar items](#topbaritems)
* [Status bar items](#statusbaritems)
* [KubeObject menu items](#kubeobjectmenuitems)
* [KubeObject detail items](#kubeobjectdetailitems)
* [KubeObject status texts](#kubeobjectstatustexts)
* [Kube workloads overview items](#kubeworkloadsoverviewitems)
- [Cluster pages](#clusterpages)
- [Cluster page menus](#clusterpagemenus)
- [Global pages](#globalpages)
- [Welcome menus](#welcomemenus)
- [App preferences](#apppreferences)
- [Top bar items](#topbaritems)
- [Status bar items](#statusbaritems)
- [KubeObject menu items](#kubeobjectmenuitems)
- [KubeObject detail items](#kubeobjectdetailitems)
- [KubeObject status texts](#kubeobjectstatustexts)
- [Kube workloads overview items](#kubeworkloadsoverviewitems)
as well as catalog-related UI elements:
* [Entity settings](#entitysettings)
* [Catalog entity detail items](#catalogentitydetailitems)
- [Entity settings](#entitysettings)
- [Catalog entity detail items](#catalogentitydetailitems)
All UI elements are based on React components.
Finally, you can also add commands and protocol handlers:
* [Command palette commands](#commandpalettecommands)
* [protocol handlers](protocol-handlers.md)
- [Command palette commands](#commandpalettecommands)
- [protocol handlers](protocol-handlers.md)
## `Renderer.LensExtension` Class
@@ -41,11 +41,11 @@ import { Renderer } from "@k8slens/extensions";
export default class ExampleExtensionMain extends Renderer.LensExtension {
onActivate() {
console.log('custom renderer process extension code started');
console.log("custom renderer process extension code started");
}
onDeactivate() {
console.log('custom renderer process extension de-activated');
console.log("custom renderer process extension de-activated");
}
}
```
@@ -56,7 +56,7 @@ You can initiate custom code by implementing `onActivate()`.
Implementing `onDeactivate()` gives you the opportunity to clean up after your extension.
!!! info
Disable extensions from the Lens Extensions page:
Disable extensions from the Lens Extensions page:
1. Navigate to **File** > **Extensions** in the top menu bar.
(On Mac, it is **Lens** > **Extensions**.)
@@ -75,17 +75,17 @@ Add a cluster page definition to a `Renderer.LensExtension` subclass with the fo
```typescript
import { Renderer } from "@k8slens/extensions";
import { ExampleIcon, ExamplePage } from "./page"
import React from "react"
import { ExampleIcon, ExamplePage } from "./page";
import React from "react";
export default class ExampleExtension extends Renderer.LensExtension {
clusterPages = [
{
id: "hello",
components: {
Page: () => <ExamplePage extension={this}/>,
}
}
Page: () => <ExamplePage extension={this} />,
},
},
];
}
```
@@ -93,24 +93,26 @@ export default class ExampleExtension extends Renderer.LensExtension {
`clusterPages` is an array of objects that satisfy the `PageRegistration` interface.
The properties of the `clusterPages` array objects are defined as follows:
* `id` is a string that identifies the page.
* `components` matches the `PageComponents` interface for which there is one field, `Page`.
* `Page` is of type ` React.ComponentType<any>`.
It offers flexibility in defining the appearance and behavior of your page.
- `id` is a string that identifies the page.
- `components` matches the `PageComponents` interface for which there is one field, `Page`.
- `Page` is of type ` React.ComponentType<any>`.
It offers flexibility in defining the appearance and behavior of your page.
`ExamplePage` in the example above can be defined in `page.tsx`:
```typescript
import { Renderer } from "@k8slens/extensions";
import React from "react"
import React from "react";
export class ExamplePage extends React.Component<{ extension: LensRendererExtension }> {
export class ExamplePage extends React.Component<{
extension: LensRendererExtension;
}> {
render() {
return (
<div>
<p>Hello world!</p>
</div>
)
);
}
}
```
@@ -130,17 +132,17 @@ By expanding on the above example, you can add a cluster page menu item to the `
```typescript
import { Renderer } from "@k8slens/extensions";
import { ExampleIcon, ExamplePage } from "./page"
import React from "react"
import { ExampleIcon, ExamplePage } from "./page";
import React from "react";
export default class ExampleExtension extends Renderer.LensExtension {
clusterPages = [
{
id: "hello",
components: {
Page: () => <ExamplePage extension={this}/>,
}
}
Page: () => <ExamplePage extension={this} />,
},
},
];
clusterPageMenus = [
@@ -149,7 +151,7 @@ export default class ExampleExtension extends Renderer.LensExtension {
title: "Hello World",
components: {
Icon: ExampleIcon,
}
},
},
];
}
@@ -159,10 +161,10 @@ export default class ExampleExtension extends Renderer.LensExtension {
This element defines how the cluster page menu item will appear and what it will do when you click it.
The properties of the `clusterPageMenus` array objects are defined as follows:
* `target` links to the relevant cluster page using `pageId`.
* `pageId` takes the value of the relevant cluster page's `id` property.
* `title` sets the name of the cluster page menu item that will appear in the left side menu.
* `components` is used to set an icon that appears to the left of the `title` text in the left side menu.
- `target` links to the relevant cluster page using `pageId`.
- `pageId` takes the value of the relevant cluster page's `id` property.
- `title` sets the name of the cluster page menu item that will appear in the left side menu.
- `components` is used to set an icon that appears to the left of the `title` text in the left side menu.
The above example creates a menu item that reads **Hello World**.
When users click **Hello World**, the cluster dashboard will show the contents of `Example Page`.
@@ -171,7 +173,7 @@ This example requires the definition of another React-based component, `ExampleI
```typescript
import { Renderer } from "@k8slens/extensions";
import React from "react"
import React from "react";
type IconProps = Renderer.Component.IconProps;
@@ -180,16 +182,18 @@ const {
} = Renderer;
export function ExampleIcon(props: IconProps) {
return <Icon {...props} material="pages" tooltip={"Hi!"}/>
return <Icon {...props} material="pages" tooltip={"Hi!"} />;
}
export class ExamplePage extends React.Component<{ extension: Renderer.LensExtension }> {
export class ExamplePage extends React.Component<{
extension: Renderer.LensExtension;
}> {
render() {
return (
<div>
<p>Hello world!</p>
</div>
)
);
}
}
```
@@ -198,32 +202,31 @@ Lens includes various built-in components available for extension developers to
One of these is the `Renderer.Component.Icon`, introduced in `ExampleIcon`, which you can use to access any of the [icons](https://material.io/resources/icons/) available at [Material Design](https://material.io).
The properties that `Renderer.Component.Icon` uses are defined as follows:
* `material` takes the name of the icon you want to use.
* `tooltip` sets the text you want to appear when a user hovers over the icon.
- `material` takes the name of the icon you want to use.
- `tooltip` sets the text you want to appear when a user hovers over the icon.
`clusterPageMenus` can also be used to define sub menu items, so that you can create groups of cluster pages.
The following example groups two sub menu items under one parent menu item:
```typescript
import { Renderer } from "@k8slens/extensions";
import { ExampleIcon, ExamplePage } from "./page"
import React from "react"
import { ExampleIcon, ExamplePage } from "./page";
import React from "react";
export default class ExampleExtension extends Renderer.LensExtension {
clusterPages = [
{
id: "hello",
components: {
Page: () => <ExamplePage extension={this}/>,
}
Page: () => <ExamplePage extension={this} />,
},
},
{
id: "bonjour",
components: {
Page: () => <ExemplePage extension={this}/>,
}
}
Page: () => <ExemplePage extension={this} />,
},
},
];
clusterPageMenus = [
@@ -232,7 +235,7 @@ export default class ExampleExtension extends Renderer.LensExtension {
title: "Greetings",
components: {
Icon: ExampleIcon,
}
},
},
{
parentId: "example",
@@ -240,7 +243,7 @@ export default class ExampleExtension extends Renderer.LensExtension {
title: "Hello World",
components: {
Icon: ExampleIcon,
}
},
},
{
parentId: "example",
@@ -248,8 +251,8 @@ export default class ExampleExtension extends Renderer.LensExtension {
title: "Bonjour le monde",
components: {
Icon: ExempleIcon,
}
}
},
},
];
}
```
@@ -280,18 +283,18 @@ Unlike cluster pages, users can trigger global pages even when there is no activ
The following example defines a `Renderer.LensExtension` subclass with a single global page definition:
```typescript
import { Renderer } from '@k8slens/extensions';
import { HelpPage } from './page';
import React from 'react';
import { Renderer } from "@k8slens/extensions";
import { HelpPage } from "./page";
import React from "react";
export default class HelpExtension extends Renderer.LensExtension {
globalPages = [
{
id: "help",
components: {
Page: () => <HelpPage extension={this}/>,
}
}
Page: () => <HelpPage extension={this} />,
},
},
];
}
```
@@ -299,24 +302,26 @@ export default class HelpExtension extends Renderer.LensExtension {
`globalPages` is an array of objects that satisfy the `PageRegistration` interface.
The properties of the `globalPages` array objects are defined as follows:
* `id` is a string that identifies the page.
* `components` matches the `PageComponents` interface for which there is one field, `Page`.
* `Page` is of type `React.ComponentType<any>`.
It offers flexibility in defining the appearance and behavior of your page.
- `id` is a string that identifies the page.
- `components` matches the `PageComponents` interface for which there is one field, `Page`.
- `Page` is of type `React.ComponentType<any>`.
It offers flexibility in defining the appearance and behavior of your page.
`HelpPage` in the example above can be defined in `page.tsx`:
```typescript
import { Renderer } from "@k8slens/extensions";
import React from "react"
import React from "react";
export class HelpPage extends React.Component<{ extension: LensRendererExtension }> {
export class HelpPage extends React.Component<{
extension: LensRendererExtension;
}> {
render() {
return (
<div>
<p>Help yourself</p>
</div>
)
);
}
}
```
@@ -328,11 +333,12 @@ This way, `HelpPage` can access all `HelpExtension` subclass data.
This example code shows how to create a global page, but not how to make that page available to the Lens user.
Global pages are typically made available in the following ways:
* To add global pages to the top menu bar, see [`appMenus`](../main-extension#appmenus) in the Main Extension guide.
* To add global pages as an interactive element in the blue status bar along the bottom of the Lens UI, see [`statusBarItems`](#statusbaritems).
* To add global pages to the Welcome Page, see [`welcomeMenus`](#welcomemenus).
- To add global pages to the top menu bar, see [`appMenus`](../main-extension#appmenus) in the Main Extension guide.
- To add global pages as an interactive element in the blue status bar along the bottom of the Lens UI, see [`statusBarItems`](#statusbaritems).
- To add global pages to the Welcome Page, see [`welcomeMenus`](#welcomemenus).
### `welcomeMenus`
### `appPreferences`
The Lens **Preferences** page is a built-in global page.
@@ -342,22 +348,24 @@ The following example demonstrates adding a custom preference:
```typescript
import { Renderer } from "@k8slens/extensions";
import { ExamplePreferenceHint, ExamplePreferenceInput } from "./src/example-preference";
import {
ExamplePreferenceHint,
ExamplePreferenceInput,
} from "./src/example-preference";
import { observable } from "mobx";
import React from "react";
export default class ExampleRendererExtension extends Renderer.LensExtension {
@observable preference = { enabled: false };
appPreferences = [
{
title: "Example Preferences",
components: {
Input: () => <ExamplePreferenceInput preference={this.preference}/>,
Hint: () => <ExamplePreferenceHint/>
}
}
Input: () => <ExamplePreferenceInput preference={this.preference} />,
Hint: () => <ExamplePreferenceHint />,
},
},
];
}
```
@@ -365,13 +373,13 @@ export default class ExampleRendererExtension extends Renderer.LensExtension {
`appPreferences` is an array of objects that satisfies the `AppPreferenceRegistration` interface.
The properties of the `appPreferences` array objects are defined as follows:
* `title` sets the heading text displayed on the Preferences page.
* `components` specifies two `React.Component` objects that define the interface for the preference.
* `Input` specifies an interactive input element for the preference.
* `Hint` provides descriptive information for the preference, shown below the `Input` element.
- `title` sets the heading text displayed on the Preferences page.
- `components` specifies two `React.Component` objects that define the interface for the preference.
- `Input` specifies an interactive input element for the preference.
- `Hint` provides descriptive information for the preference, shown below the `Input` element.
!!! note
Note that the input and the hint can be comprised of more sophisticated elements, according to the needs of the extension.
Note that the input and the hint can be comprised of more sophisticated elements, according to the needs of the extension.
`ExamplePreferenceInput` expects its React props to be set to an `ExamplePreferenceProps` instance.
This is how `ExampleRendererExtension` handles the state of the preference input.
@@ -386,22 +394,19 @@ import { observer } from "mobx-react";
import React from "react";
const {
Component: {
Checkbox,
},
Component: { Checkbox },
} = Renderer;
export class ExamplePreferenceProps {
preference: {
enabled: boolean;
}
};
}
@observer
export class ExamplePreferenceInput extends React.Component<ExamplePreferenceProps> {
public constructor() {
super({preference: { enabled: false}});
super({ preference: { enabled: false } });
makeObservable(this);
}
@@ -411,7 +416,9 @@ export class ExamplePreferenceInput extends React.Component<ExamplePreferencePro
<Checkbox
label="I understand appPreferences"
value={preference.enabled}
onChange={v => { preference.enabled = v; }}
onChange={(v) => {
preference.enabled = v;
}}
/>
);
}
@@ -419,18 +426,16 @@ export class ExamplePreferenceInput extends React.Component<ExamplePreferencePro
export class ExamplePreferenceHint extends React.Component {
render() {
return (
<span>This is an example of an appPreference for extensions.</span>
);
return <span>This is an example of an appPreference for extensions.</span>;
}
}
```
`ExamplePreferenceInput` implements a simple checkbox using Lens's `Renderer.Component.Checkbox` using the following properties:
* `label` sets the text that displays next to the checkbox.
* `value` is initially set to `preference.enabled`.
* `onChange` is a function that responds when the state of the checkbox changes.
- `label` sets the text that displays next to the checkbox.
- `value` is initially set to `preference.enabled`.
- `onChange` is a function that responds when the state of the checkbox changes.
`ExamplePreferenceInput` is defined with the `ExamplePreferenceProps` React props.
This is an object with the single `enabled` property.
@@ -461,18 +466,18 @@ The following example adds a `statusBarItems` definition and a `globalPages` def
It configures the status bar item to navigate to the global page upon activation (normally a mouse click):
```typescript
import { Renderer } from '@k8slens/extensions';
import { HelpIcon, HelpPage } from "./page"
import React from 'react';
import { Renderer } from "@k8slens/extensions";
import { HelpIcon, HelpPage } from "./page";
import React from "react";
export default class HelpExtension extends Renderer.LensExtension {
globalPages = [
{
id: "help",
components: {
Page: () => <HelpPage extension={this}/>,
}
}
Page: () => <HelpPage extension={this} />,
},
},
];
statusBarItems = [
@@ -486,7 +491,7 @@ export default class HelpExtension extends Renderer.LensExtension {
<HelpIcon />
My Status Bar Item
</div>
)
),
},
},
];
@@ -495,14 +500,14 @@ export default class HelpExtension extends Renderer.LensExtension {
The properties of the `statusBarItems` array objects are defined as follows:
* `Item` specifies the `React.Component` that will be shown on the status bar.
By default, items are added starting from the right side of the status bar.
Due to limited space in the status bar, `Item` will typically specify only an icon or a short string of text.
The example above reuses the `HelpIcon` from the [`globalPageMenus` guide](#globalpagemenus).
* `onClick` determines what the `statusBarItem` does when it is clicked.
In the example, `onClick` is set to a function that calls the `LensRendererExtension` `navigate()` method.
`navigate` takes the `id` of the associated global page as a parameter.
Thus, clicking the status bar item activates the associated global pages.
- `Item` specifies the `React.Component` that will be shown on the status bar.
By default, items are added starting from the right side of the status bar.
Due to limited space in the status bar, `Item` will typically specify only an icon or a short string of text.
The example above reuses the `HelpIcon` from the [`globalPageMenus` guide](#globalpagemenus).
- `onClick` determines what the `statusBarItem` does when it is clicked.
In the example, `onClick` is set to a function that calls the `LensRendererExtension` `navigate()` method.
`navigate` takes the `id` of the associated global page as a parameter.
Thus, clicking the status bar item activates the associated global pages.
### `kubeObjectMenuItems`
@@ -518,9 +523,9 @@ They also appear on the title bar of the details page for specific resources:
The following example shows how to add a `kubeObjectMenuItems` for namespace resources with an associated action:
```typescript
import React from "react"
import React from "react";
import { Renderer } from "@k8slens/extensions";
import { NamespaceMenuItem } from "./src/namespace-menu-item"
import { NamespaceMenuItem } from "./src/namespace-menu-item";
type KubeObjectMenuProps = Renderer.Component.KubeObjectMenuProps;
type Namespace = Renderer.K8sApi.Namespace;
@@ -531,23 +536,24 @@ export default class ExampleExtension extends Renderer.LensExtension {
kind: "Namespace",
apiVersions: ["v1"],
components: {
MenuItem: (props: KubeObjectMenuProps<Namespace>) => <NamespaceMenuItem {...props} />
}
}
MenuItem: (props: KubeObjectMenuProps<Namespace>) => (
<NamespaceMenuItem {...props} />
),
},
},
];
}
```
`kubeObjectMenuItems` is an array of objects matching the `KubeObjectMenuRegistration` interface.
The example above adds a menu item for namespaces in the cluster dashboard.
The properties of the `kubeObjectMenuItems` array objects are defined as follows:
* `kind` specifies the Kubernetes resource type the menu item will apply to.
* `apiVersion` specifies the Kubernetes API version number to use with the resource type.
* `components` defines the menu item's appearance and behavior.
* `MenuItem` provides a function that returns a `React.Component` given a set of menu item properties.
In this example a `NamespaceMenuItem` object is returned.
- `kind` specifies the Kubernetes resource type the menu item will apply to.
- `apiVersion` specifies the Kubernetes API version number to use with the resource type.
- `components` defines the menu item's appearance and behavior.
- `MenuItem` provides a function that returns a `React.Component` given a set of menu item properties.
In this example a `NamespaceMenuItem` object is returned.
`NamespaceMenuItem` is defined in `./src/namespace-menu-item.tsx`:
@@ -556,11 +562,7 @@ import React from "react";
import { Renderer } from "@k8slens/extensions";
const {
Component: {
terminalStore,
MenuItem,
Icon,
},
Component: { terminalStore, MenuItem, Icon },
Navigation,
} = Renderer;
@@ -587,12 +589,15 @@ export function NamespaceMenuItem(props: KubeObjectMenuProps<Namespace>) {
return (
<MenuItem onClick={getPods}>
<Icon material="speaker_group" interactive={toolbar} title="Get pods in terminal"/>
<Icon
material="speaker_group"
interactive={toolbar}
title="Get pods in terminal"
/>
<span className="title">Get Pods</span>
</MenuItem>
);
}
```
`NamespaceMenuItem` returns a `Renderer.Component.MenuItem` which defines the menu item's appearance and its behavior when activated via the `onClick` property.
@@ -629,9 +634,11 @@ export default class ExampleExtension extends Renderer.LensExtension {
apiVersions: ["v1"],
priority: 10,
components: {
Details: (props: KubeObjectDetailsProps<Namespace>) => <NamespaceDetailsItem {...props} />
}
}
Details: (props: KubeObjectDetailsProps<Namespace>) => (
<NamespaceDetailsItem {...props} />
),
},
},
];
}
```
@@ -640,15 +647,15 @@ export default class ExampleExtension extends Renderer.LensExtension {
This example above adds a detail item for namespaces in the cluster dashboard.
The properties of the `kubeObjectDetailItems` array objects are defined as follows:
* `kind` specifies the Kubernetes resource type the detail item will apply to.
* `apiVersion` specifies the Kubernetes API version number to use with the resource type.
* `components` defines the detail item's appearance and behavior.
* `Details` provides a function that returns a `React.Component` given a set of detail item properties.
In this example a `NamespaceDetailsItem` object is returned.
- `kind` specifies the Kubernetes resource type the detail item will apply to.
- `apiVersion` specifies the Kubernetes API version number to use with the resource type.
- `components` defines the detail item's appearance and behavior.
- `Details` provides a function that returns a `React.Component` given a set of detail item properties.
In this example a `NamespaceDetailsItem` object is returned.
`NamespaceDetailsItem` is defined in `./src/namespace-details-item.tsx`:
``` typescript
```typescript
import { Renderer } from "@k8slens/extensions";
import { PodsDetailsList } from "./pods-details-list";
import React from "react";
@@ -656,12 +663,8 @@ import { observable } from "mobx";
import { observer } from "mobx-react";
const {
K8sApi: {
podsApi,
},
Component: {
DrawerTitle,
},
K8sApi: { podsApi },
Component: { DrawerTitle },
} = Renderer;
type KubeObjectMenuProps = Renderer.Component.KubeObjectMenuProps;
@@ -669,7 +672,9 @@ type Namespace = Renderer.K8sApi.Namespace;
type Pod = Renderer.K8sApi.Pod;
@observer
export class NamespaceDetailsItem extends React.Component<KubeObjectDetailsProps<Namespace>> {
export class NamespaceDetailsItem extends React.Component<
KubeObjectDetailsProps<Namespace>
> {
@observable private pods: Pod[];
async componentDidMount() {
@@ -681,10 +686,10 @@ export class NamespaceDetailsItem extends React.Component<KubeObjectDetailsProps
render() {
return (
<div>
<DrawerTitle title="Pods" />
<PodsDetailsList pods={this.pods}/>
<DrawerTitle>Pods</DrawerTitle>
<PodsDetailsList pods={this.pods} />
</div>
)
);
}
}
```
@@ -709,17 +714,12 @@ Details are placed in drawers, and using `Renderer.Component.DrawerTitle` provid
Multiple details in a drawer can be placed in `<Renderer.Component.DrawerItem>` elements for further separation, if desired.
The rest of this example's details are defined in `PodsDetailsList`, found in `./pods-details-list.tsx`:
``` typescript
```typescript
import React from "react";
import { Renderer } from "@k8slens/extensions";
const {
Component: {
TableHead,
TableRow,
TableCell,
Table,
},
Component: { TableHead, TableRow, TableCell, Table },
} = Renderer;
type Pod = Renderer.K8sApi.Pod;
@@ -736,11 +736,11 @@ export class PodsDetailsList extends React.Component<PodsDetailsListProps> {
<TableCell className="podAge">{pods[index].getAge()}</TableCell>
<TableCell className="podStatus">{pods[index].getStatus()}</TableCell>
</TableRow>
)
);
};
render() {
const { pods } = this.props
const { pods } = this.props;
if (!pods?.length) {
return null;
@@ -754,7 +754,7 @@ export class PodsDetailsList extends React.Component<PodsDetailsListProps> {
<TableCell className="podAge">Age</TableCell>
<TableCell className="podStatus">Status</TableCell>
</TableHead>
{ pods.map(this.getTableRow) }
{pods.map(this.getTableRow)}
</Table>
</div>
);