Implement NodeBalancers
This commit is contained in:
87
nodebalancers/node/index.shtml
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87
nodebalancers/node/index.shtml
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<!--
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This file is part of Linode Manager Classic.
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Linode Manager Classic is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Linode Manager Classic is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Linode Manager Classic. If not, see <https://www.gnu.org/licenses/>.
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-->
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<!DOCTYPE HTML>
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<html lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>LMC - NodeBalancers</title>
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<link rel="shortcut icon" type="image/x-icon" href="/favicon.ico" />
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<link rel="stylesheet" type="text/css" href="node.css" />
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<script src="node.js" type="module"></script>
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</head>
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<body>
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<!--#include virtual="/include/header.html"-->
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<div id="main-content" class="wrapper">
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<div id="top-links"><a href="/nodebalancers">NodeBalancers</a> » <span id="nodebalancer-tag"><a id="nodebalancer-tag-link" href=""></a> » </span><a id="nodebalancer-label" href="/nodebalancers/balancer?nbid=0"></a> » <a id="config-label" href="/nodebalancers/config?nbid=0&nbcid=0">Port</a> » <span class="top-links-title">Edit Node</span></div>
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<div id="node">
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<table class="lmc-table">
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<thead>
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<tr>
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<td colspan="3">Edit Node</td>
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</tr>
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<tr>
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<td colspan="3">Node Settings</td>
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</tr>
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</thead>
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<tbody>
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<tr class="lmc-tr3">
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<td>Label</td>
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<td><input id="label" type="text" size="30" /></td>
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<td class="info">This backend node's label</td>
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</tr>
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<tr class="lmc-tr3">
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<td>Address</td>
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<td>
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<select id="address">
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<option selected disabled value="0">Select A Linode</option>
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</select>
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</td>
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<td class="info">The private IP address of the backend Linode instance</td>
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</tr>
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<tr class="lmc-tr3">
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<td>Port</td>
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<td><input id="port" type="number" min="1" max="65535" size="4" /></td>
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<td class="info">The backend port for this node</td>
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</tr>
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<tr class="lmc-tr3">
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<td>Weight</td>
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<td><input id="weight" type="number" min="1" max="255" value="100" size="4" /></td>
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<td class="info">Load balancing weight, 1-255. Higher means more connections.</td>
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</tr>
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<tr class="lmc-tr3">
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<td>Mode</td>
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<td>
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<select id="mode">
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<option value="accept">Accept</option>
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<option value="reject">Reject</option>
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<option value="backup">Backup</option>
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<option value="drain">Drain</option>
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</select>
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</td>
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<td class="info">The connections mode for this node</td>
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</tr>
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<tr class="lmc-tr3">
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<td></td>
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<td><button disabled id="save-button" type="button">Save Changes</button></td>
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<td></td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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</body>
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</html>
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27
nodebalancers/node/node.css
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27
nodebalancers/node/node.css
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/*
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* This file is part of Linode Manager Classic.
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*
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* Linode Manager Classic is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Linode Manager Classic is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Linode Manager Classic. If not, see <https://www.gnu.org/licenses/>.
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*/
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@import url('/global.css');
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#node {
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padding: 0px 15px 15px;
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}
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tbody tr td:first-of-type {
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font-weight: bold;
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text-align: right;
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}
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255
nodebalancers/node/node.js
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255
nodebalancers/node/node.js
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/*
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* This file is part of Linode Manager Classic.
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*
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* Linode Manager Classic is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Linode Manager Classic is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Linode Manager Classic. If not, see <https://www.gnu.org/licenses/>.
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*/
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import { settings, elements, apiGet, apiPost, apiPut, parseParams, setupHeader } from "/global.js";
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(function()
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{
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// Element names specific to this page
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elements.address = "address";
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elements.configLabel = "config-label";
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elements.label = "label";
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elements.mode = "mode";
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elements.nodebalancerLabel = "nodebalancer-label";
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elements.nodebalancerTag = "nodebalancer-tag";
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elements.nodebalancerTagLink = "nodebalancer-tag-link";
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elements.port = "port";
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elements.saveButton = "save-button";
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elements.weight = "weight";
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// Data recieved from API calls
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var data = {};
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data.config = {};
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data.linodeFilters = {
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"ipv4": {
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"+contains": "192.168"
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}
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};
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data.linodes = [];
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data.nodebalancer = {};
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data.node = {};
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// Static references to UI elements
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var ui = {};
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ui.address = {};
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ui.configLabel = {};
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ui.label = {};
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ui.mode = {};
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ui.nodebalancerLabel = {};
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ui.nodebalancerTag = {};
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ui.nodebalancerTagLink = {};
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ui.port = {};
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ui.saveButton = {};
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ui.weight = {};
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// Callback for config API call
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var displayConfig = function(response)
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{
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data.config = response;
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ui.configLabel.innerHTML = "Port " + data.config.port;
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if (!parseInt(data.params.nbnid))
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ui.port.value = data.config.port;
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};
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// Callback for linodes API call
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var displayLinodes = function(response)
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{
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data.linodes = data.linodes.concat(response.data);
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// Request the next page if there are more pages
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if (response.page != response.pages) {
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apiGet("/linode/instances?page=" + (response.page + 1), displayLinodes, data.linodeFilters);
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return;
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}
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// Add linodes to address selector
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for (var i = 0; i < data.linodes.length; i++) {
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var ipIndex = -1;
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for (var j = 0; j < data.linodes[i].ipv4.length; j++) {
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if (data.linodes[i].ipv4[j].indexOf("192.168.") == 0) {
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ipIndex = j;
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break;
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}
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}
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if (ipIndex == -1)
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continue;
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var option = document.createElement("option");
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option.value = data.linodes[i].ipv4[j];
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option.innerHTML = data.linodes[i].ipv4[j] + " (" + data.linodes[i].label + ")";
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ui.address.appendChild(option);
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}
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if (parseInt(data.params.nbnid))
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apiGet("/nodebalancers/" + data.params.nbid + "/configs/" + data.params.nbcid + "/nodes/" + data.params.nbnid, displayNode, null);
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else
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ui.saveButton.disabled = false;
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};
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// Callback for nodebalancer API call
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var displayNodebalancer = function(response)
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{
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data.nodebalancer = response;
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// Set page title and header stuff
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if (document.title.indexOf("//") == -1)
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document.title += " // Edit " + data.nodebalancer.label;
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ui.nodebalancerLabel.innerHTML = data.nodebalancer.label;
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if (data.nodebalancer.tags.length == 1) {
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ui.nodebalancerTagLink.href = "/nodebalancers?tag=" + data.nodebalancer.tags[0];
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ui.nodebalancerTagLink.innerHTML = "(" + data.nodebalancer.tags[0] + ")";
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ui.nodebalancerTag.style.display = "inline";
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} else {
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ui.nodebalancerTag.style.display = "none";
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}
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// Get linodes
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data.linodeFilters.region = data.nodebalancer.region;
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apiGet("/linode/instances", displayLinodes, data.linodeFilters);
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};
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// Callback for node API call
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var displayNode = function(response)
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{
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data.node = response;
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ui.label.value = data.node.label;
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var lastColon = data.node.address.lastIndexOf(":");
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ui.address.value = data.node.address.slice(0, lastColon);
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ui.port.value = data.node.address.slice(lastColon + 1);
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ui.weight.value = data.node.weight;
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ui.mode.value = data.node.mode;
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ui.saveButton.disabled = false;
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};
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// Save button handler
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var handleSave = function(event)
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{
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if (event.currentTarget.disabled)
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return;
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if (ui.address.value == "0")
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return;
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var req = {
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"label": ui.label.value,
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"address": ui.address.value + ":" + ui.port.value,
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"weight": parseInt(ui.weight.value),
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"mode": ui.mode.value
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};
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if (data.params.nbnid == 0) {
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apiPost("/nodebalancers/" + data.params.nbid + "/configs/" + data.params.nbcid + "/nodes", req, function(response)
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{
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location.href = "/nodebalancers/config?nbid=" + data.params.nbid + "&nbcid=" + data.params.nbcid;
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});
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} else {
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apiPut("/nodebalancers/" + data.params.nbid + "/configs/" + data.params.nbcid + "/nodes/" + data.params.nbnid, req, function(response)
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{
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location.href = "/nodebalancers/config?nbid=" + data.params.nbid + "&nbcid=" + data.params.nbcid;
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});
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}
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};
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// Initial setup
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var setup = function()
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{
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// Parse URL parameters
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data.params = parseParams();
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// We need a NodeBalancer ID, so die if we don't have it
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if (!data.params.nbid) {
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alert("No NodeBalancer ID supplied!");
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return;
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}
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// We also need a config ID
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if (!data.params.nbcid) {
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alert("No config ID supplied!");
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return;
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}
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// We also need a node ID
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if (!data.params.nbnid) {
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alert("No node ID supplied!");
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return;
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}
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setupHeader();
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// Update links on page to include proper Linode ID
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var anchors = document.getElementsByTagName("a");
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for (var i = 0; i < anchors.length; i++) {
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anchors[i].href = anchors[i].href.replace("nbid=0", "nbid=" + data.params.nbid);
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anchors[i].href = anchors[i].href.replace("nbcid=0", "nbcid=" + data.params.nbcid);
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}
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// Get element references
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ui.address = document.getElementById(elements.address);
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ui.configLabel = document.getElementById(elements.configLabel);
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ui.label = document.getElementById(elements.label);
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ui.mode = document.getElementById(elements.mode);
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ui.nodebalancerLabel = document.getElementById(elements.nodebalancerLabel);
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ui.nodebalancerTag = document.getElementById(elements.nodebalancerTag);
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ui.nodebalancerTagLink = document.getElementById(elements.nodebalancerTagLink);
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ui.port = document.getElementById(elements.port);
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ui.saveButton = document.getElementById(elements.saveButton);
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ui.weight = document.getElementById(elements.weight);
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// Register event handlers
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ui.saveButton.addEventListener("click", handleSave);
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// Get data from API
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apiGet("/nodebalancers/" + data.params.nbid, displayNodebalancer, null);
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apiGet("/nodebalancers/" + data.params.nbid + "/configs/" + data.params.nbcid, displayConfig, null);
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};
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// Show/hide check rows
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var showHideChecks = function(event)
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{
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for (var i = 0; i < ui.checkShow.length; i++) {
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if (ui.checkShow[i].classList.contains(elements.checkShow + "-" + ui.checkType.value))
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ui.checkShow[i].style.display = "table-row";
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else
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ui.checkShow[i].style.display = "none";
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}
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};
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// Show/hide protocol stuff
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var showHideProtocol = function(event)
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{
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for (var i = 0; i < ui.protocolShow.length; i++) {
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if (ui.protocolShow[i].classList.contains(elements.protocolShow + "-" + ui.protocol.value)) {
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if (ui.protocolShow[i].classList.contains(elements.replaceCert)) {
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if (ui.protocolShow[i].classList.contains(elements.replaceCertOnly) == state.replaceCert)
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ui.protocolShow[i].style.display = "table-row";
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else
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ui.protocolShow[i].style.display = "none";
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} else {
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ui.protocolShow[i].style.display = "table-row";
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}
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} else {
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ui.protocolShow[i].style.display = "none";
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}
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}
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};
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// Attach onload handler
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window.addEventListener("load", setup);
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})();
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