mirror of https://github.com/louislam/uptime-kuma
119 lines
3.6 KiB
JavaScript
119 lines
3.6 KiB
JavaScript
const axios = require("axios");
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const { R } = require("redbean-node");
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const version = require("../package.json").version;
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const https = require("https");
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class DockerHost {
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/**
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* Save a docker host
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* @param {Object} dockerHost Docker host to save
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* @param {?number} dockerHostID ID of the docker host to update
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* @param {number} userID ID of the user who adds the docker host
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* @returns {Promise<Bean>}
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*/
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static async save(dockerHost, dockerHostID, userID) {
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let bean;
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if (dockerHostID) {
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bean = await R.findOne("docker_host", " id = ? AND user_id = ? ", [ dockerHostID, userID ]);
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if (!bean) {
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throw new Error("docker host not found");
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}
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} else {
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bean = R.dispense("docker_host");
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}
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bean.user_id = userID;
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bean.docker_daemon = dockerHost.dockerDaemon;
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bean.docker_type = dockerHost.dockerType;
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bean.name = dockerHost.name;
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await R.store(bean);
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return bean;
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}
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/**
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* Delete a Docker host
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* @param {number} dockerHostID ID of the Docker host to delete
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* @param {number} userID ID of the user who created the Docker host
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* @returns {Promise<void>}
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*/
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static async delete(dockerHostID, userID) {
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let bean = await R.findOne("docker_host", " id = ? AND user_id = ? ", [ dockerHostID, userID ]);
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if (!bean) {
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throw new Error("docker host not found");
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}
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// Delete removed proxy from monitors if exists
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await R.exec("UPDATE monitor SET docker_host = null WHERE docker_host = ?", [ dockerHostID ]);
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await R.trash(bean);
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}
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/**
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* Fetches the amount of containers on the Docker host
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* @param {Object} dockerHost Docker host to check for
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* @returns {number} Total amount of containers on the host
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*/
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static async testDockerHost(dockerHost) {
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const options = {
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url: "/containers/json?all=true",
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headers: {
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"Accept": "*/*",
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"User-Agent": "Uptime-Kuma/" + version
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},
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httpsAgent: new https.Agent({
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maxCachedSessions: 0, // Use Custom agent to disable session reuse (https://github.com/nodejs/node/issues/3940)
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rejectUnauthorized: false,
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}),
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};
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if (dockerHost.dockerType === "socket") {
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options.socketPath = dockerHost.dockerDaemon;
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} else if (dockerHost.dockerType === "tcp") {
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options.baseURL = DockerHost.patchDockerURL(dockerHost.dockerDaemon);
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}
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let res = await axios.request(options);
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if (Array.isArray(res.data)) {
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if (res.data.length > 1) {
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if ("ImageID" in res.data[0]) {
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return res.data.length;
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} else {
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throw new Error("Invalid Docker response, is it Docker really a daemon?");
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}
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} else {
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return res.data.length;
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}
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} else {
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throw new Error("Invalid Docker response, is it Docker really a daemon?");
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}
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}
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/**
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* Since axios 0.27.X, it does not accept `tcp://` protocol.
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* Change it to `http://` on the fly in order to fix it. (https://github.com/louislam/uptime-kuma/issues/2165)
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*/
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static patchDockerURL(url) {
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if (typeof url === "string") {
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// Replace the first occurrence only with g
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return url.replace(/tcp:\/\//g, "http://");
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}
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return url;
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}
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}
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module.exports = {
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DockerHost,
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};
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