@kui-shell/plugin-kubectl
Version:
Kubernetes visualization plugin for kubernetes
122 lines (121 loc) • 4.69 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
exports.emitKubectlConfigChangeEvent = emitKubectlConfigChangeEvent;
exports.offKubectlConfigChangeEvents = offKubectlConfigChangeEvents;
exports.onKubectlConfigChangeEvents = onKubectlConfigChangeEvents;
exports.register = register;
var _core = require("@kui-shell/core");
var _flags = _interopRequireDefault(require("./flags"));
var _exec = require("./exec");
var _options = require("./options");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/*
* Copyright 2020 The Kubernetes Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var __awaiter = void 0 && (void 0).__awaiter || function (thisArg, _arguments, P, generator) {
function adopt(value) {
return value instanceof P ? value : new P(function (resolve) {
resolve(value);
});
}
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) {
try {
step(generator.next(value));
} catch (e) {
reject(e);
}
}
function rejected(value) {
try {
step(generator["throw"](value));
} catch (e) {
reject(e);
}
}
function step(result) {
result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected);
}
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
const kubectlConfigChangeChannel = '/kubectl/config/change';
const mutators = ['delete-cluster', 'delete-context', 'rename-context', 'set', 'set-cluster', 'set-context', 'set-credentials', 'unset', 'use-context'];
function emitKubectlConfigChangeEvent(type, namespace, context) {
try {
_core.Events.eventChannelUnsafe.emit(kubectlConfigChangeChannel, type, namespace, context);
} catch (err) {
console.error('Error in onKubectlConfigChangeEvent handler', err);
}
}
function onKubectlConfigChangeEvents(handler) {
_core.Events.eventChannelUnsafe.on(kubectlConfigChangeChannel, handler);
}
function offKubectlConfigChangeEvents(handler) {
_core.Events.eventChannelUnsafe.off(kubectlConfigChangeChannel, handler);
}
/**
* Here, we conservatively broadcoast that the kubectl config *may*
* have changed.
*
*/
function emitChangeEventIfNeeded(args) {
const idx = args.argvNoOptions.indexOf('config');
const verb = args.argvNoOptions[idx + 1];
const change = verb === 'set' || verb === 'use-context' || verb === 'set-context' && !args.parsedOptions.current ? 'NewContext' : verb === 'set-context' || verb === 'set-cluster' || verb === 'set-credentials' || verb === 'rename-context' ? 'AlteredContext' : undefined;
if (change) {
emitKubectlConfigChangeEvent('SetNamespaceOrContext', (0, _options.getNamespaceAsExpressed)(args), verb === 'use-context' ? args.argvNoOptions[idx + 2] : undefined);
}
}
/** Kui proxy-side handler; we just pass it through to the PTY, and then emit a config change event */
function doConfig(args) {
return __awaiter(this, void 0, void 0, function* () {
args.command = args.command.replace(/_config/, 'config');
args.argvNoOptions[1] = 'config';
args.argv[1] = 'config';
const response = yield (0, _exec.doExecWithPty)(args);
emitChangeEventIfNeeded(args);
return response;
});
}
/** Kui client-side handler; we pass it through to the proxy-side handler, but also emit a config change event */
function doConfigClient(cmd, verb, args) {
return __awaiter(this, void 0, void 0, function* () {
const command = args.command.replace(/config/, '_config');
const response = yield args.REPL.qexec(command);
emitChangeEventIfNeeded(args);
return response;
});
}
function register(registrar, cmd) {
mutators.forEach(verb => {
registrar.listen(`/${cmd}/_config/${verb}`, doConfig, Object.assign({}, _flags.default, {
requiresLocal: true
}));
registrar.listen(`/${cmd}/config/${verb}`, doConfigClient.bind(undefined, cmd, verb), _flags.default);
});
}
/**
* Register the commands
*
*/
var _default = registrar => {
register(registrar, 'kubectl');
register(registrar, 'k');
};
exports.default = _default;