n8n-nodes-netdevices
Version:
n8n node to interact with network devices (Cisco, MikroTik, Arista, Extreme Networks, Dell, Juniper, HP, Aruba, Ubiquiti, Palo Alto, Fortinet - ISP, data center, campus, and edge)
199 lines • 6.98 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.CiscoIOSXRConnection = void 0;
const base_connection_1 = require("../base-connection");
class CiscoIOSXRConnection extends base_connection_1.BaseConnection {
constructor(credentials) {
super(credentials);
this.inConfigMode = false;
}
async sessionPreparation() {
await this.createIOSXRShellChannel();
await this.setTerminalSettings();
await this.setBasePrompt();
}
async createIOSXRShellChannel() {
return new Promise((resolve, reject) => {
this.client.shell((err, channel) => {
if (err) {
reject(err);
return;
}
this.currentChannel = channel;
this.currentChannel.setEncoding(this.encoding);
const waitTime = this.fastMode ? 200 : 500;
setTimeout(() => {
resolve();
}, waitTime);
});
});
}
async setTerminalSettings() {
try {
await this.writeChannel('terminal length 0' + this.newline);
await this.readChannel(2000);
await this.writeChannel('terminal width 511' + this.newline);
await this.readChannel(2000);
}
catch (error) {
}
}
async setBasePrompt() {
await this.writeChannel(this.returnChar);
const output = await this.readChannel(3000);
const lines = output.trim().split('\n');
const lastLine = lines[lines.length - 1];
this.basePrompt = lastLine.replace(/[>#$%]\s*$/, '').trim();
this.configPrompt = this.basePrompt + '(config)#';
}
async enterConfigMode() {
try {
await this.writeChannel('configure terminal' + this.newline);
const output = await this.readChannel(3000);
if (output.includes('(config)#')) {
this.inConfigMode = true;
}
else {
throw new Error('Failed to enter configuration mode');
}
}
catch (error) {
throw new Error(`Failed to enter configuration mode: ${error}`);
}
}
async exitConfigMode() {
if (!this.inConfigMode) {
return;
}
try {
await this.writeChannel('exit' + this.newline);
const output = await this.readChannel(3000);
if (output.includes('#') && !output.includes('(config)#')) {
this.inConfigMode = false;
}
else {
await this.writeChannel('end' + this.newline);
const endOutput = await this.readChannel(3000);
if (endOutput.includes('#') && !endOutput.includes('(config)#')) {
this.inConfigMode = false;
}
else {
throw new Error('Failed to exit configuration mode');
}
}
}
catch (error) {
throw new Error(`Failed to exit configuration mode: ${error}`);
}
}
async sendCommand(command) {
try {
if (!this.isConnected || !this.currentChannel) {
throw new Error('Not connected to device');
}
await this.writeChannel(command + this.newline);
const timeout = this.fastMode ? 5000 : 10000;
const output = await this.readUntilPrompt(undefined, timeout);
const cleanOutput = this.sanitizeOutput(output, command);
return {
command,
output: cleanOutput,
success: true
};
}
catch (error) {
return {
command,
output: '',
success: false,
error: error instanceof Error ? error.message : 'Unknown error'
};
}
}
async sendConfig(commands) {
try {
if (!this.isConnected || !this.currentChannel) {
throw new Error('Not connected to device');
}
let fullOutput = '';
let allCommands = commands.join('\n');
await this.enterConfigMode();
for (const command of commands) {
await this.writeChannel(command + this.newline);
const output = await this.readChannel(3000);
fullOutput += output;
}
await this.writeChannel('commit' + this.newline);
const commitOutput = await this.readChannel(5000);
fullOutput += commitOutput;
await this.exitConfigMode();
const cleanOutput = this.sanitizeOutput(fullOutput, allCommands);
return {
command: allCommands,
output: cleanOutput,
success: true
};
}
catch (error) {
try {
await this.exitConfigMode();
}
catch (exitError) {
}
return {
command: commands.join('\n'),
output: '',
success: false,
error: error instanceof Error ? error.message : 'Unknown error'
};
}
}
async getCurrentConfig() {
return await this.sendCommand('show running-config');
}
async saveConfig() {
return await this.sendCommand('show configuration commit changes last 1');
}
async rebootDevice() {
try {
await this.writeChannel('reload' + this.newline);
let output = await this.readChannel(5000);
if (output.includes('confirm') || output.includes('Proceed')) {
await this.writeChannel('yes' + this.newline);
output += await this.readChannel(5000);
}
return {
command: 'reload',
output: output,
success: true
};
}
catch (error) {
return {
command: 'reload',
output: '',
success: false,
error: error instanceof Error ? error.message : 'Unknown error'
};
}
}
sanitizeOutput(output, command) {
const lines = output.split('\n');
if (lines.length > 0 && lines[0].includes(command)) {
lines.shift();
}
if (lines.length > 0) {
const lastLine = lines[lines.length - 1];
const promptRegex = new RegExp(`^${this.escapeRegex(this.basePrompt)}[>#$]`);
if (promptRegex.test(lastLine)) {
lines.pop();
}
}
return lines.join('\n').trim();
}
isInConfigMode() {
return this.inConfigMode;
}
}
exports.CiscoIOSXRConnection = CiscoIOSXRConnection;
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