lmc/linodes/resize/resize.js

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/*
* This file is part of Linode Manager Classic.
*
* Linode Manager Classic is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Linode Manager Classic is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Linode Manager Classic. If not, see <https://www.gnu.org/licenses/>.
*/
import { settings, elements, apiGet, apiPost, migrateETA, parseParams, setupHeader } from "/global.js";
(function()
{
// Element names specific to this page
elements.autoResize = "auto-resize";
elements.autoResizeBox = "auto-resize-box";
elements.current = "current";
elements.dedicated = "dedicated";
elements.diskName = "disk-name";
elements.eta = "eta";
elements.gpu = "gpu";
elements.instanceType = "instance-type";
elements.highmem = "highmem";
elements.linodeLabel = "linode-label";
elements.linodeTag = "linode-tag";
elements.linodeTagLink = "linode-tag-link";
elements.nanode = "nanode";
elements.resizeButton = "resize-button";
elements.standard = "standard";
// Data received from API calls
var data = {};
data.disks = [];
data.linode = {};
data.types = [];
// Static references to UI elements
var ui = {};
ui.autoResize = {};
ui.autoResizeBox = {};
ui.dedicated = {};
ui.diskName = {};
ui.eta = {};
ui.gpu = {};
ui.highmem = {};
ui.linodeLabel = {};
ui.linodeTag = {};
ui.linodeTagLink = {};
ui.nanode = {};
ui.resizeButton = {};
ui.standard = {};
// Creates a Linode type radio button and label
var createTypeButton = function(type)
{
// Radio button
var radio = document.createElement("input");
radio.id = type.id;
radio.type = "radio";
radio["name"] = elements.instanceType;
radio.value = type.id;
// Label
var label = document.createElement("label");
label.htmlFor = type.id;
label.innerHTML = type.label;
// Text to display next to current plan
var current = document.createElement("span");
current.innerHTML = " (current plan)";
var br = document.createElement("br");
// Insert elements
ui[type["class"]].appendChild(radio);
ui[type["class"]].appendChild(label);
if (type.id == data.linode.type) {
radio.disabled = true;
label.className = elements.current;
ui[type["class"]].appendChild(current);
}
ui[type["class"]].appendChild(br);
};
// Callback for linode details API call
var displayDetails = function(response)
{
data.linode = response;
// Set page title and header stuff
document.title += " // " + data.linode.label;
ui.linodeLabel.innerHTML = data.linode.label;
if (data.linode.tags.length == 1) {
ui.linodeTagLink.href = "/linodes?tag=" + data.linode.tags[0];
ui.linodeTagLink.innerHTML = "(" + data.linode.tags[0] + ")";
ui.linodeTag.style.display = "inline";
} else {
ui.linodeTag.style.display = "none";
}
// Get linode types
apiGet("/linode/types", displayTypes, null);
};
// Callback for linode disks API call
var displayDisks = function(response)
{
// Add disks to array
data.disks = data.disks.concat(response.data);
// Request the next page if there are more pages
if (response.page != response.pages) {
apiGet("/linode/instances/" + data.params.lid + "/disks?page=" + (response.page + 1), displayDisks, null);
return;
}
// Compute total size and types of disks
var size = 0;
var numExt = 0;
var numSwap = 0;
for (var i = 0; i < data.disks.length; i++) {
size += data.disks[i].size;
if (data.disks[i].filesystem.match(/ext3|ext4/)) {
numExt++;
ui.diskName.innerHTML = data.disks[i].label;
}
else if (data.disks[i].filesystem == "swap")
numSwap++;
}
// Compute estimated resize time
ui.eta.innerHTML = migrateETA(size, true);
// Show auto-resize option if there is only a single ext disk
if ((data.disks.length == 1 && numExt == 1) || (data.disks.length == 2 && numExt == 1 && numSwap == 1)) {
ui.autoResizeBox.disabled = false;
ui.autoResizeBox.checked = true;
ui.autoResize.style.display = "block";
}
};
// Callback for linode types API call
var displayTypes = function(response)
{
// Add types to array
data.types = data.types.concat(response.data);
// Request the next page if there are more pages
if (response.page != response.pages) {
apiGet("/linode/types?page=" + (response.page + 1), displayTypes, null);
return;
}
// Insert types
for (var i = 0; i < data.types.length; i++)
createTypeButton(data.types[i]);
ui.resizeButton.disabled = false;
};
// Resize button handler
var handleResize = function(event)
{
if (event.currentTarget.disabled)
return;
// Find the selected type
var type = null;
var inputs = document.getElementsByTagName("input");
for (var i = 0; i < inputs.length; i++) {
if (inputs[i]["name"] == elements.instanceType && inputs[i].checked) {
type = inputs[i];
break;
}
}
if (!type) {
alert("You must choose a new plan.");
return;
}
if (!confirm("Immediately shut down, migrate your Linode, and invoice this account for the difference?"))
return;
var request = {
"type": type.id,
"allow_auto_disk_resize": (!ui.autoResizeBox.disabled && ui.autoResizeBox.checked)
};
apiPost("/linode/instances/" + data.params.lid + "/resize", request, function(response)
{
location.href = "/linodes/dashboard?lid=" + data.params.lid;
});
};
// Initial setup
var setup = function()
{
// Parse URL parameters
data.params = parseParams();
// We need a Linode ID, so die if we don't have it
if (!data.params.lid) {
alert("No Linode ID supplied!");
return;
}
setupHeader();
// Update links on page to include proper Linode ID
var anchors = document.getElementsByTagName("a");
for (var i = 0; i < anchors.length; i++)
anchors[i].href = anchors[i].href.replace("lid=0", "lid=" + data.params.lid);
// Get element references
ui.autoResize = document.getElementById(elements.autoResize);
ui.autoResizeBox = document.getElementById(elements.autoResizeBox);
ui.dedicated = document.getElementById(elements.dedicated);
ui.diskName = document.getElementById(elements.diskName);
ui.eta = document.getElementById(elements.eta);
ui.gpu = document.getElementById(elements.gpu);
ui.highmem = document.getElementById(elements.highmem);
ui.linodeLabel = document.getElementById(elements.linodeLabel);
ui.linodeTag = document.getElementById(elements.linodeTag);
ui.linodeTagLink = document.getElementById(elements.linodeTagLink);
ui.nanode = document.getElementById(elements.nanode);
ui.resizeButton = document.getElementById(elements.resizeButton);
ui.standard = document.getElementById(elements.standard);
// Register resize button handler
ui.resizeButton.addEventListener("click", handleResize);
// Get data from API
apiGet("/linode/instances/" + data.params.lid, displayDetails, null);
apiGet("/linode/instances/" + data.params.lid + "/disks", displayDisks, null);
};
// Attach onload handler
window.addEventListener("load", setup);
})();