135 lines
3.6 KiB
JavaScript
135 lines
3.6 KiB
JavaScript
import { inject as service } from '@ember/service';
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import Component from '@ember/component';
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import { computed } from '@ember/object';
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import RSVP from 'rsvp';
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import { logger } from 'nomad-ui/utils/classes/log';
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import timeout from 'nomad-ui/utils/timeout';
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export default Component.extend({
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token: service(),
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classNames: ['boxed-section', 'task-log'],
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allocation: null,
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task: null,
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file: null,
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// When true, request logs from the server agent
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useServer: false,
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// When true, logs cannot be fetched from either the client or the server
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noConnection: false,
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clientTimeout: 1000,
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serverTimeout: 5000,
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didReceiveAttrs() {
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if (this.allocation && this.task) {
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// this.send('toggleStream');
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}
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},
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didInsertElement() {
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this.fillAvailableHeight();
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},
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windowResizeHandler() {
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run.once(this, this.fillAvailableHeight);
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},
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fillAvailableHeight() {
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// This math is arbitrary and far from bulletproof, but the UX
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// of having the log window fill available height is worth the hack.
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const margins = 30 + 30; // Account for padding and margin on either side of the CLI
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const cliWindow = this.$('.cli-window');
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cliWindow.height(window.innerHeight - cliWindow.offset().top - margins);
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},
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fileUrl: computed('task.name', 'allocation.id', 'file', function() {
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return `/v1/client/fs/cat/${this.allocation.id}?path=${this.task.name}/${this.file}`;
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}),
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logUrl: computed('allocation.id', 'allocation.node.httpAddr', 'useServer', function() {
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const address = this.get('allocation.node.httpAddr');
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const allocation = this.get('allocation.id');
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const url = `/v1/client/fs/logs/${allocation}`;
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return this.useServer ? url : `//${address}${url}`;
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}),
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logParams: computed('task', 'mode', function() {
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return {
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task: this.task,
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type: this.mode,
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};
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}),
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logger: logger('logUrl', 'logParams', function logFetch() {
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// If the log request can't settle in one second, the client
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// must be unavailable and the server should be used instead
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const timing = this.useServer ? this.serverTimeout : this.clientTimeout;
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return url =>
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RSVP.race([this.token.authorizedRequest(url), timeout(timing)]).then(
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response => response,
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error => {
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if (this.useServer) {
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this.set('noConnection', true);
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} else {
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this.send('failoverToServer');
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this.stream.perform();
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}
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throw error;
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}
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);
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}),
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head: task(function*() {
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yield this.get('logger.gotoHead').perform();
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run.scheduleOnce('afterRender', () => {
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this.$('.cli-window').scrollTop(0);
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});
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}),
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tail: task(function*() {
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yield this.get('logger.gotoTail').perform();
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run.scheduleOnce('afterRender', () => {
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const cliWindow = this.$('.cli-window');
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cliWindow.scrollTop(cliWindow[0].scrollHeight);
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});
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}),
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stream: task(function*() {
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this.logger.on('tick', () => {
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run.scheduleOnce('afterRender', () => {
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const cliWindow = this.$('.cli-window');
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cliWindow.scrollTop(cliWindow[0].scrollHeight);
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});
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});
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yield this.logger.startStreaming();
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this.logger.off('tick');
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}),
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willDestroy() {
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this.logger.stop();
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},
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actions: {
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setMode(mode) {
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this.logger.stop();
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this.set('mode', mode);
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this.stream.perform();
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},
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toggleStream() {
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if (this.get('logger.isStreaming')) {
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this.logger.stop();
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} else {
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this.stream.perform();
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}
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},
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failoverToServer() {
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this.set('useServer', true);
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},
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},
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});
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