lmc/linodes/backup_details/backup_details.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, parseParams, regionNames, setupHeader, timeString } from "/global.js";
(function()
{
// Element names specific to this page
elements.backupAge = "backup-age";
elements.backupConfigs = "backup-configs";
elements.backupDate = "backup-date";
elements.backupDisks = "backup-disks";
elements.backupLabel = "backup-label";
elements.backupLocation = "backup-location";
elements.backupSize = "backup-size";
elements.backupType = "backup-type";
elements.destLabel = "dest-label";
elements.destLinodes = "dest-linodes";
elements.destLocation = "dest-location";
elements.destPlan = "dest-plan";
elements.destSpace = "dest-space";
elements.linodeLabel = "linode-label";
elements.linodeTag = "linode-tag";
elements.linodeTagLink = "linode-tag-link";
elements.loading = "loading-linodes";
elements.lmcRow = "lmc-tr3";
elements.newLinode = "new-linode";
elements.restorePrefix = "restore-";
elements.selectPrefix = "select-";
elements.subnav = "subnav-link";
elements.subnavActive = "subnav-link-active";
elements.unallocatedPrefix = "unallocated-";
// Data recieved from API calls
var data = {};
data.backup = {};
data.linode = {};
data.linodes = [];
data.types = [];
// Static references to UI elements
var ui = {};
ui.backupAge = {};
ui.backupConfigs = {};
ui.backupDate = {};
ui.backupDisks = {};
ui.backupLabel = {};
ui.backupLocation = {};
ui.backupSize = {};
ui.backupType = {};
ui.destLabel = {};
ui.destLinodes = {};
ui.destLocation = {};
ui.destPlan = {};
ui.destSpace = {};
ui.linodeLabel = {};
ui.linodeTag = {};
ui.linodeTagLink = {};
ui.loading = {};
ui.newLinode = {};
// Temporary state
var state = {};
state.haveTypes = false;
// Generate a linode table row
var createLinodeRow = function(linode)
{
var row = document.createElement("tr");
row.className = elements.lmcRow;
var label = document.createElement("td");
label.innerHTML = linode.label;
row.appendChild(label);
var plan = document.createElement("td");
if (linode.type) {
for (var i = 0; i < data.types.length; i++) {
if (data.types[i].id == linode.type) {
plan.innerHTML = data.types[i].label;
break;
}
}
} else {
plan.innerHTML = "Unknown";
}
if (plan.innerHTML == "")
translatePlan(linode.type, plan);
row.appendChild(plan);
var location = document.createElement("td");
if (regionNames[linode.region])
location.innerHTML = regionNames[linode.region];
else
location.innerHTML = linode.region;
row.appendChild(location);
var freeSpace = document.createElement("td");
freeSpace.id = elements.unallocatedPrefix + linode.id;
row.appendChild(freeSpace);
var select = document.createElement("td");
select.id = elements.selectPrefix + linode.id;
row.appendChild(select);
return row;
};
// Callback for backup details API call
var displayBackup = function(response)
{
data.backup = response;
// Populate info table
if (data.backup.label)
ui.backupLabel.innerHTML = data.backup.label;
var now = new Date();
var backupStart = new Date(data.backup.created + "Z");
ui.backupDate.innerHTML = backupStart.toLocaleString();
ui.backupAge.innerHTML = timeString(now - backupStart, true);
ui.backupType.innerHTML = data.backup.type;
for (var i = 0; i < data.backup.configs.length; i++) {
var li = document.createElement("li");
li.innerHTML = data.backup.configs[i];
ui.backupConfigs.appendChild(li);
}
data.backup.totalSize = 0;
for (var i = 0; i < data.backup.disks.length; i++) {
data.backup.totalSize += data.backup.disks[i].size;
var li = document.createElement("li");
li.innerHTML = data.backup.disks[i].label + " (" + data.backup.disks[i].filesystem + ") " + data.backup.disks[i].size + "MB";
ui.backupDisks.appendChild(li);
}
ui.backupSize.innerHTML = data.backup.totalSize + " MB";
if (state.haveTypes && data.linode.id)
insertTypes();
};
// 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";
}
// Display location
if (regionNames[data.linode.region]) {
ui.backupLocation.innerHTML = regionNames[data.linode.region];
ui.destLocation.innerHTML = regionNames[data.linode.region];
} else {
ui.backupLocation.innerHTML = data.linode.region;
ui.destLocation.innerHTML = data.linode.region;
}
if (state.haveTypes && data.backup.id)
insertTypes();
};
// Callback for linode disks API call
var displayDisks = function(response)
{
// Find the linode this response is for
var lid = parseInt(response['_endpoint'].split("/")[3]);
var index = -1;
for (var i = 0; i < data.linodes.length; i++) {
if (data.linodes[i].id == lid) {
index = i;
break;
}
}
if (index == -1)
return;
// Add disks to array
data.linodes[index].disks = data.linodes[index].disks.concat(response.data);
// Request the next page if there are more pages
if (response.page != response.pages) {
apiGet("/linode/instances/" + data.linodes[index].id + "/disks?page=" + (response.page + 1), displayDisks, null);
return;
}
// Calculate Linode's free space
var free = data.linodes[index].specs.disk;
for (var i = 0; i < data.linodes[index].disks.length; i++)
free -= data.linodes[index].disks[i].size;
// Update table
var freeCell = document.getElementById(elements.unallocatedPrefix + data.linodes[index].id);
var selectCell = document.getElementById(elements.selectPrefix + data.linodes[index].id);
freeCell.innerHTML = free + " MB";
if (free >= data.backup.totalSize) {
var restoreLink = document.createElement("a");
restoreLink.id = elements.restorePrefix + data.linodes[index].id;
restoreLink.href = "#";
restoreLink.innerHTML = "Restore to this Linode";
restoreLink.addEventListener("click", handleRestore);
selectCell.appendChild(restoreLink);
} else {
selectCell.innerHTML = "--- not enough free space ---";
}
};
// Callback for linodes API call
var displayLinodes = function(response)
{
// Add linodes to array
data.linodes = data.linodes.concat(response.data);
// Request the next page if there are more pages
if (response.page != response.pages) {
var filter = {
"region": data.linode.region
};
apiGet("/linode/instances?page=" + (response.page + 1), displayLinodes, filter);
return;
}
ui.loading.remove();
for (var i = 0; i < data.linodes.length; i++) {
// Create row in the table
ui.destLinodes.appendChild(createLinodeRow(data.linodes[i]));
// Get the linode's disks
data.linodes[i].disks = [];
apiGet("/linode/instances/" + data.linodes[i].id + "/disks", displayDisks, null);
}
};
// 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;
}
state.haveTypes = true;
if (data.backup.id && data.linode.id)
insertTypes();
};
// Handler for create linode button
var handleCreate = function(event)
{
if (event.currentTarget.disabled)
return;
// Find the selected type
var index = -1;
for (var i = 0; i < data.types.length; i++) {
if (data.types[i].id == ui.destPlan.value) {
index = i;
break;
}
}
if (index == -1)
return;
if (!confirm("Create a new " + data.types[i].label + " from this backup? This new instance will cost $" + data.types[i].price.monthly.toFixed(2) + " per month and backups will be enabled per your global account setting."))
return;
var req = {
"label": ui.destLabel.value,
"type": ui.destPlan.value,
"region": data.linode.region,
"backup_id": data.backup.id
};
var callback = function(response)
{
location.href = "/linodes/dashboard?lid=" + response.id;
};
apiPost("/linode/instances", req, callback);
};
// Handler for backup restore links
var handleRestore = function(event)
{
// Find the linode associated with this link
var lid = parseInt(event.currentTarget.id.replace(elements.restorePrefix, ""));
var index = -1;
for (var i = 0; i < data.linodes.length; i++) {
if (data.linodes[i].id == lid) {
index = i;
break;
}
}
if (index == -1)
return;
if (!confirm("Restore to Linode " + data.linodes[index].label + "?"))
return;
var req = {
"linode_id": lid,
"overwrite": false
};
var callback = function(response)
{
location.href = "/linodes/dashboard?lid=" + lid;
};
apiPost("/linode/instances/" + data.params.lid + "/backups/" + data.backup.id + "/restore", req, callback);
};
// Insert linode types into selector
var insertTypes = function()
{
for (var i = 0; i < data.types.length; i++) {
if (data.types[i].disk < data.backup.totalSize)
continue;
var option = document.createElement("option");
option.value = data.types[i].id;
option.innerHTML = data.types[i].label;
ui.destPlan.appendChild(option);
}
updatePrice(null);
ui.newLinode.disabled = false;
var filter = {
"region": data.linode.region
};
apiGet("/linode/instances", displayLinodes, filter);
};
// 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;
}
// We also need a backup ID
if (!data.params.bid) {
alert("No Backup 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);
// Highlight the backups subnav link
var subnavLinks = document.getElementsByClassName(elements.subnav);
for (var i = 0; i < subnavLinks.length; i++) {
if (subnavLinks[i].pathname == "/linodes/backups")
subnavLinks[i].className += " " + elements.subnavActive;
}
// Get element references
ui.backupAge = document.getElementById(elements.backupAge);
ui.backupConfigs = document.getElementById(elements.backupConfigs);
ui.backupDate = document.getElementById(elements.backupDate);
ui.backupDisks = document.getElementById(elements.backupDisks);
ui.backupLabel = document.getElementById(elements.backupLabel);
ui.backupLocation = document.getElementById(elements.backupLocation);
ui.backupSize = document.getElementById(elements.backupSize);
ui.backupType = document.getElementById(elements.backupType);
ui.destLabel = document.getElementById(elements.destLabel);
ui.destLinodes = document.getElementById(elements.destLinodes);
ui.destLocation = document.getElementById(elements.destLocation);
ui.destPlan = document.getElementById(elements.destPlan);
ui.destSpace = document.getElementById(elements.destSpace);
ui.linodeLabel = document.getElementById(elements.linodeLabel);
ui.linodeTag = document.getElementById(elements.linodeTag);
ui.linodeTagLink = document.getElementById(elements.linodeTagLink);
ui.loading = document.getElementById(elements.loading);
ui.newLinode = document.getElementById(elements.newLinode);
// Register event handlers
ui.destPlan.addEventListener("input", updatePrice);
ui.newLinode.addEventListener("click", handleCreate);
// Get data from API
apiGet("/linode/instances/" + data.params.lid, displayDetails, null);
apiGet("/linode/instances/" + data.params.lid + "/backups/" + data.params.bid, displayBackup, null);
apiGet("/linode/types", displayTypes, null);
};
// Update the given element with the given type's label
var translatePlan = function(type, el)
{
var callback = function(response)
{
el.innerHTML = response.label;
};
apiGet("/linode/types/" + type, callback, null);
};
// Update the price display
var updatePrice = function(event)
{
// Find the selected type
var type = null;
for (var i = 0; i < data.types.length; i++) {
if (data.types[i].id == ui.destPlan.value) {
type = data.types[i];
break;
}
}
if (!type)
return;
ui.destSpace.innerHTML = type.disk;
};
// Attach onload handler
window.addEventListener("load", setup);
})();