open-nomad/ui/app/controllers/exec.js
Mahmood Ali cec76a4f66 ui: send authentication ws handshake
Have the UI send the authentication websocket handshake message.
2020-04-03 11:49:22 -04:00

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import { inject as service } from '@ember/service';
import Controller from '@ember/controller';
import { filterBy, mapBy, uniq } from '@ember/object/computed';
import escapeTaskName from 'nomad-ui/utils/escape-task-name';
import ExecCommandEditorXtermAdapter from 'nomad-ui/utils/classes/exec-command-editor-xterm-adapter';
import ExecSocketXtermAdapter from 'nomad-ui/utils/classes/exec-socket-xterm-adapter';
import localStorageProperty from 'nomad-ui/utils/properties/local-storage';
import { Terminal } from 'xterm-vendor';
const ANSI_UI_GRAY_400 = '\x1b[38;2;142;150;163m';
const ANSI_WHITE = '\x1b[0m';
export default Controller.extend({
sockets: service(),
system: service(),
token: service(),
queryParams: ['allocation'],
command: localStorageProperty('nomadExecCommand', '/bin/bash'),
socketOpen: false,
taskState: null,
runningAllocations: filterBy('model.allocations', 'isRunning'),
runningTaskGroups: mapBy('runningAllocations', 'taskGroup'),
uniqueRunningTaskGroups: uniq('runningTaskGroups'),
init() {
this._super(...arguments);
this.terminal = new Terminal({ fontFamily: 'monospace', fontWeight: '400' });
window.execTerminal = this.terminal; // Issue to improve: https://github.com/hashicorp/nomad/issues/7457
this.terminal.write(ANSI_UI_GRAY_400);
this.terminal.writeln('Select a task to start your session.');
},
actions: {
setTaskState({ allocationSpecified, taskState }) {
this.set('taskState', taskState);
this.terminal.write(ANSI_UI_GRAY_400);
this.terminal.writeln('');
if (!allocationSpecified) {
this.terminal.writeln(
'Multiple instances of this task are running. The allocation below was selected by random draw.'
);
this.terminal.writeln('');
}
this.terminal.writeln('Customize your command, then hit return to run.');
this.terminal.writeln('');
this.terminal.write(
`$ nomad alloc exec -i -t -task ${escapeTaskName(taskState.name)} ${
taskState.allocation.shortId
} `
);
this.terminal.write(ANSI_WHITE);
this.terminal.write(this.command);
if (this.commandEditorAdapter) {
this.commandEditorAdapter.destroy();
}
this.commandEditorAdapter = new ExecCommandEditorXtermAdapter(
this.terminal,
this.openAndConnectSocket.bind(this),
this.command
);
},
},
openAndConnectSocket(command) {
this.set('socketOpen', true);
this.set('command', command);
this.socket = this.sockets.getTaskStateSocket(this.taskState, command);
new ExecSocketXtermAdapter(this.terminal, this.socket, this.token.secret);
},
});