|
| 1 | +/* |
| 2 | + * Copyright 2023 The Kubernetes Authors |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + * you may not use this file except in compliance with the License. |
| 6 | + * You may obtain a copy of the License at |
| 7 | + * |
| 8 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | + * |
| 10 | + * Unless required by applicable law or agreed to in writing, software |
| 11 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | + * See the License for the specific language governing permissions and |
| 14 | + * limitations under the License. |
| 15 | + */ |
| 16 | + |
| 17 | +import React from "react" |
| 18 | +import { Box, Text, TextProps } from "ink" |
| 19 | +import type { Arguments } from "@kui-shell/core" |
| 20 | + |
| 21 | +type WorkerState = "Pending" | "Scheduled" | "Installing" | "Running" | "Failed" | "Success" |
| 22 | + |
| 23 | +type Props = unknown |
| 24 | +type State = { |
| 25 | + workers: WorkerState[] |
| 26 | +} |
| 27 | + |
| 28 | +class Dashboard extends React.PureComponent<Props, State> { |
| 29 | + public constructor(props: Props) { |
| 30 | + super(props) |
| 31 | + |
| 32 | + const styles = Object.keys(this.styleOf) as WorkerState[] |
| 33 | + const randoState = () => styles[Math.round(Math.random() * styles.length) % styles.length] |
| 34 | + this.state = { |
| 35 | + workers: Array(50).fill(1).map(randoState), |
| 36 | + } |
| 37 | + |
| 38 | + setInterval(() => { |
| 39 | + this.setState((curState) => { |
| 40 | + const idx = Math.round(Math.random() * this.state.workers.length) % this.state.workers.length |
| 41 | + const styles = Object.keys(this.styleOf) |
| 42 | + const newState = styles[Math.round(Math.random() * styles.length) % styles.length] |
| 43 | + return { |
| 44 | + workers: [...curState.workers.slice(0, idx), newState as WorkerState, ...curState.workers.slice(idx + 1)], |
| 45 | + } |
| 46 | + }) |
| 47 | + }, 1000) |
| 48 | + } |
| 49 | + |
| 50 | + // private readonly sizes = ["▁▁", "▃▃", "▅▅", "▆▆", "██", "■■"] |
| 51 | + // private readonly sizes = "■".repeat(5) |
| 52 | + private readonly sizes = Array(5).fill("▇▇") |
| 53 | + // private readonly sizes = "█".repeat(4) |
| 54 | + |
| 55 | + private readonly styleOf: Record<WorkerState, TextProps> = { |
| 56 | + Pending: { color: "gray", children: this.sizes[3] }, |
| 57 | + Scheduled: { color: "white", dimColor: true, children: this.sizes[3] }, |
| 58 | + // Pulling: { color: "yellow", dimColor: true, children: this.sizes[3] }, |
| 59 | + Installing: { color: "yellow", children: this.sizes[3] }, |
| 60 | + Running: { color: "cyan", children: this.sizes[4] }, |
| 61 | + Failed: { color: "red", children: this.sizes[4] }, |
| 62 | + Success: { color: "blue", children: this.sizes[4] }, |
| 63 | + } |
| 64 | + |
| 65 | + private matrix(): WorkerState[][] { |
| 66 | + const N = Math.ceil(Math.sqrt(this.state.workers.length)) |
| 67 | + const matrix = Array(N) |
| 68 | + for (let i = 0; i < N; i++) { |
| 69 | + matrix[i] = Array(N) |
| 70 | + for (let j = 0; j < N; j++) { |
| 71 | + matrix[i][j] = this.state.workers[i * N + j] |
| 72 | + } |
| 73 | + } |
| 74 | + return matrix |
| 75 | + } |
| 76 | + |
| 77 | + private histo(): number[] { |
| 78 | + const keys = Object.keys(this.styleOf) |
| 79 | + const indexer = keys.reduce((M, worker, idx) => { |
| 80 | + M[worker] = idx |
| 81 | + return M |
| 82 | + }, {} as Record<string, number>) |
| 83 | + |
| 84 | + return this.state.workers.reduce((H, worker) => { |
| 85 | + H[indexer[worker]]++ |
| 86 | + return H |
| 87 | + }, Array(keys.length).fill(0)) |
| 88 | + } |
| 89 | + |
| 90 | + public render() { |
| 91 | + const M = this.matrix() |
| 92 | + const H = this.histo() |
| 93 | + |
| 94 | + return ( |
| 95 | + <Box flexDirection="column" margin={1}> |
| 96 | + <Box> |
| 97 | + {Object.keys(this.styleOf).map((_, idx) => ( |
| 98 | + <Box width="20%" borderStyle="singleDouble" marginRight={1} key={_}> |
| 99 | + <Box flexDirection="column"> |
| 100 | + <Box> |
| 101 | + <Text color={this.styleOf[_ as WorkerState].color} bold inverse> |
| 102 | + {_} |
| 103 | + </Text> |
| 104 | + </Box> |
| 105 | + <Box> |
| 106 | + <Text>{H[idx]}</Text> |
| 107 | + </Box> |
| 108 | + </Box> |
| 109 | + </Box> |
| 110 | + ))} |
| 111 | + </Box> |
| 112 | + |
| 113 | + <Box marginTop={1} width={M.reduce((N, c) => (N += c.length), 0)} flexDirection="column"> |
| 114 | + {M.map((row, ridx) => ( |
| 115 | + <Box key={ridx}> |
| 116 | + {row.map((worker, cidx) => ( |
| 117 | + <Text key={cidx} {...this.styleOf[worker]} /> |
| 118 | + ))} |
| 119 | + </Box> |
| 120 | + ))} |
| 121 | + </Box> |
| 122 | + </Box> |
| 123 | + ) |
| 124 | + } |
| 125 | +} |
| 126 | + |
| 127 | +// eslint-disable-next-line @typescript-eslint/no-unused-vars |
| 128 | +export default async function dashboard(args: Arguments) { |
| 129 | + const { render } = await import("ink") |
| 130 | + await render(<Dashboard />) |
| 131 | + await new Promise(() => {}) // eslint-disable-line @typescript-eslint/no-empty-function |
| 132 | + return true |
| 133 | +} |
0 commit comments