Initial status page
This commit is contained in:
Tom Wiesing
parent
a3511b1bfc
commit
a1f35b97d3
17 changed files with 618 additions and 83 deletions
55
internal/component/dis/html/index.html
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55
internal/component/dis/html/index.html
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<!DOCTYPE html>
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<link rel="stylesheet" href="/dis/static/dis.css">
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<link rel="stylesheet" href="/dis/static/autolink.css">
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<title>Distillery Status Page</title>
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<h1 id="top">Distillery Status Page</h1>
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<h2 id="overview">Overview</h2>
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<p>
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<b>Domain:</b> <code>{{.Config.DefaultDomain}}</code> <br />
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<b>Legacy Domain(s):</b> <code>{{.Config.SelfExtraDomains}}</code><br />
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<b>HTTPS Email:</b> <code>{{.Config.CertbotEmail}}</code><br />
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<hr />
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<b>Homepage Redirect:</b><a href="{{.Config.SelfRedirect}}" target="_blank" rel="noopener noreferrer">{{.Config.SelfRedirect}}</a><br />
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<hr />
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<b>Backup Age:</b> <code>{{.Config.MaxBackupAge}}</code> Day(s)<br />
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<hr />
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<b>Base Directory:</b> <code>{{.Config.DeployRoot}}</code><br />
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<b>Configuration File:</b> <code>{{.Config.ConfigPath}}</code><br />
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<b>Authorized_Keys File:</b> <code>{{.Config.GlobalAuthorizedKeysFile}}</code><br />
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<hr />
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<b>MySQL User Prefix:</b> <code>{{.Config.MysqlUserPrefix}}</code><br />
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<b>MySQL Database Prefix:</b> <code>{{.Config.MysqlDatabasePrefix}}</code><br />
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<b>GraphDB User Prefix:</b> <code>{{.Config.GraphDBUserPrefix}}</code><br />
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<b>GraphDB Database Prefix:</b> <code>{{.Config.GraphDBRepoPrefix}}</code><br />
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<hr />
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<b>Bookkeeping Database:</b> <code>{{.Config.DistilleryBookkeepingDatabase}}</code><br />
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<b>Bookkeeping Table:</b> <code>{{.Config.DistilleryBookkeepingTable}}</code><br />
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</p>
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<h2 id="instances">Instances</h2>
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<p>
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<code>{{ .TotalCount }}</code> instance(s) = <code>{{ .RunningCount }}</code> running + <code>{{ .StoppedCount }}</code> stopped<br />
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</p>
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{{range .Instances}}
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<div class="wisski {{ if .Running }}running{{ else }}stopped{{ end }}">
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<h3 id="instance-{{.Slug}}">{{.Slug}}{{ if not .Running }} <small>not running</small>{{ end }}</h3>
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<p>
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<a href="{{.URL}}" target="_blank" rel="noopener noreferrer">{{.URL}}</a><br />
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<small>
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<a href="/dis/instance/{{.Slug}}">More Details</a>
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</small>
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</p>
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</div>
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{{end}}
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<footer>
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Generated at <code>{{ .Time }}</code>
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</footer>
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<script src="/dis/static/autolink.js"></script>
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16
internal/component/dis/html/instance.html
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16
internal/component/dis/html/instance.html
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<!DOCTYPE html>
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<link rel="stylesheet" href="/dis/static/dis.css">
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<title>Distillery Status Page - {{ .Info.Slug }}</title>
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<h1 id="top">Distillery Status Page - {{ .Info.Slug }}</h1>
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<p>
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<a href="/dis/index">Back to index</a>
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</p>
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<pre>{{ . }}</pre>
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<footer>
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Generated at <code>{{ .Time }}</code>
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</footer>
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<script src="/dis/static/autolink.js"></script>
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20
internal/component/dis/html/static/autolink.css
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20
internal/component/dis/html/static/autolink.css
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.header-link {
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position: relative;
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left: 0.5em;
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opacity: 0;
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font-size: 0.8em;
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-webkit-transition: opacity 0.2s ease-in-out 0.1s;
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-moz-transition: opacity 0.2s ease-in-out 0.1s;
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-ms-transition: opacity 0.2s ease-in-out 0.1s;
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text-decoration: none;
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}
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h2:hover .header-link,
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h3:hover .header-link,
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h4:hover .header-link,
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h5:hover .header-link,
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h6:hover .header-link {
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opacity: 1;
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}
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24
internal/component/dis/html/static/autolink.js
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24
internal/component/dis/html/static/autolink.js
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/** adding links to each item, see http://blog.parkermoore.de/2014/08/01/header-anchor-links-in-vanilla-javascript-for-github-pages-and-jekyll/ */
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var anchorForId = function (id) {
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var anchor = document.createElement("a");
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anchor.className = "header-link";
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anchor.href = "#" + id;
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anchor.innerHTML = "#";
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return anchor;
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};
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var linkifyAnchors = function (level) {
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var headers = document.getElementsByTagName("h" + level);
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for (var h = 0; h < headers.length; h++) {
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var header = headers[h];
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if (typeof header.id !== "undefined" && header.id !== "") {
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header.appendChild(anchorForId(header.id));
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}
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}
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};
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for (var level = 1; level <= 6; level++) {
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linkifyAnchors(level);
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}
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67
internal/component/dis/html/static/dis.css
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67
internal/component/dis/html/static/dis.css
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html {
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line-height: 1.5;
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font-family: Roboto;
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font-size: 20px;
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color: #1a1a1a;
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background-color: #fdfdfd;
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}
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body {
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margin: 0 auto;
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max-width: 36em;
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padding-left: 50px;
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padding-right: 50px;
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padding-top: 50px;
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padding-bottom: 50px;
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hyphens: auto;
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overflow-wrap: break-word;
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text-rendering: optimizeLegibility;
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font-kerning: normal;
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}
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@media (max-width: 600px) {
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body {
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font-size: 0.9em;
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padding: 1em;
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}
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}
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h1 {
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margin-top: 1.4em;
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}
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h2,h3 {
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margin-top: 1em;
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}
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code {
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font-family: Roboto Mono;
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color: blue;
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}
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p {
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margin: 1em 0;
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text-align: justify;
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}
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a, a:visited {
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color: #1a1a1a;
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}
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footer {
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border-top: 1px solid #1a1a1a;
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font-size: small;
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text-align: center;
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}
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.wisski {
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padding-left: 5px;
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}
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.wisski.running {
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background-color: green;
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}
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.wisski.stopped {
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background-color: red;
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}
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@ -1,70 +1,198 @@
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package dis
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import (
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"encoding/json"
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"embed"
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"html/template"
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"io/fs"
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"net/http"
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"strings"
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"time"
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"github.com/FAU-CDI/wisski-distillery/internal/bookkeeping"
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"github.com/FAU-CDI/wisski-distillery/internal/component/instances"
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"github.com/FAU-CDI/wisski-distillery/internal/config"
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"github.com/FAU-CDI/wisski-distillery/pkg/httpx"
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"github.com/tkw1536/goprogram/stream"
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"golang.org/x/sync/errgroup"
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_ "embed"
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)
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func (dis *Dis) info(io stream.IOStream) (http.Handler, error) {
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return http.HandlerFunc(dis.handleDis), nil
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mux := http.NewServeMux()
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// handle everything under /dis/!
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mux.HandleFunc("/dis/", func(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path == "/dis/" {
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http.Redirect(w, r, "/dis/index", http.StatusTemporaryRedirect)
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return
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}
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http.NotFound(w, r)
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})
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// static stuff
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static, err := dis.disStatic()
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if err != nil {
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return nil, err
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}
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mux.Handle("/dis/static/", static)
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// render everything
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mux.Handle("/dis/index", httpx.HTMLHandler[disIndex]{
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Handler: dis.disIndex,
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Template: indexTemplate,
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})
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mux.Handle("/dis/instance/", httpx.HTMLHandler[disInstance]{
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Handler: dis.disInstance,
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Template: instanceTemplate,
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})
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// api -- for future usage
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mux.Handle("/dis/api/v1/instance/get/", httpx.JSON(dis.getinstance))
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mux.Handle("/dis/api/v1/instance/all", httpx.JSON(dis.allinstances))
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// ensure that everyone is logged in!
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return httpx.BasicAuth(mux, "WissKI Distillery Admin", func(user, pass string) bool {
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return user == dis.Config.DisAdminUser && pass == dis.Config.DisAdminPassword
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}), nil
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}
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const disLimit = 2
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// disIndex is the context of the "/dis/index" page
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type disIndex struct {
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Time time.Time
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func (dis *Dis) handleDis(w http.ResponseWriter, r *http.Request) {
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// make sure the user is authorized
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if !dis.authDis(r) {
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w.Header().Add("WWW-Authenticate", `Basic realm="WissKI Distillery Admin"`)
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w.WriteHeader(http.StatusUnauthorized)
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w.Write([]byte("Unauthorized"))
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Config *config.Config
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Instances []instances.Info
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TotalCount int
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RunningCount int
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StoppedCount int
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}
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func (dis *Dis) disIndex(r *http.Request) (idx disIndex, err error) {
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// load instances
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idx.Instances, err = dis.allinstances(r)
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if err != nil {
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return
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}
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// create a new error group
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// count how many are running and how many are stopped
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for _, i := range idx.Instances {
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if i.Running {
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idx.RunningCount++
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} else {
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idx.StoppedCount++
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}
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}
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idx.TotalCount = len(idx.Instances)
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// get the static properties
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idx.Config = dis.Config
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// current time
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idx.Time = time.Now()
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return
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}
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// disInstance is the context of the "/dis/instance/*" page
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type disInstance struct {
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Time time.Time
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Instance bookkeeping.Instance
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Info instances.Info
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}
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func (dis *Dis) disInstance(r *http.Request) (is disInstance, err error) {
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// find the slug as the last component of path!
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slug := strings.TrimSuffix(r.URL.Path, "/")
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slug = slug[strings.LastIndex(slug, "/")+1:]
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// find the instance itself!
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instance, err := dis.Instances.WissKI(slug)
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if err == instances.ErrWissKINotFound {
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return is, httpx.ErrNotFound
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}
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if err != nil {
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return is, err
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}
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is.Instance = instance.Instance
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// get some more info about the wisski
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is.Info, err = instance.Info(false)
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if err != nil {
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return is, err
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}
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// current time
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is.Time = time.Now()
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return
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}
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//go:embed html/static
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var htmlStaticFS embed.FS
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func (*Dis) disStatic() (http.Handler, error) {
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fs, err := fs.Sub(htmlStaticFS, "html/static")
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if err != nil {
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return nil, err
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}
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return http.StripPrefix("/dis/static/", http.FileServer(http.FS(fs))), nil
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}
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//go:embed "html/index.html"
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var indexTemplateStr string
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var indexTemplate = template.Must(template.New("index.html").Parse(indexTemplateStr))
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//go:embed "html/instance.html"
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var instanceTemplateString string
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var instanceTemplate = template.Must(template.New("instance.html").Parse(instanceTemplateString))
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func (dis *Dis) getinstance(r *http.Request) (info instances.Info, err error) {
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// find the slug as the last component of path!
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slug := strings.TrimSuffix(r.URL.Path, "/")
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slug = slug[strings.LastIndex(slug, "/")+1:]
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// load the wisski instance!
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wisski, err := dis.Instances.WissKI(strings.TrimSuffix(slug, "/"))
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if err == instances.ErrWissKINotFound {
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return info, httpx.ErrNotFound
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}
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if err != nil {
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return info, err
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}
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// get info about it!
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return wisski.Info(false)
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}
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func (dis *Dis) allinstances(*http.Request) (infos []instances.Info, err error) {
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var errgroup errgroup.Group
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errgroup.SetLimit(disLimit)
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// list all the instances
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all, err := dis.Instances.All()
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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w.Write([]byte("internal server error"))
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return
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return nil, err
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}
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// get all of their info!
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infos := make([]instances.Info, len(all))
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infos = make([]instances.Info, len(all))
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for i, instance := range all {
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{
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i := i
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instance := instance
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errgroup.Go(func() (err error) {
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infos[i], err = instance.Info()
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infos[i], err = instance.Info(true)
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return err
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})
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}
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}
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// if some info call failed
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if err := errgroup.Wait(); err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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w.Write([]byte("internal server error"))
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w.Write([]byte("\n"))
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return
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}
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// and return the json
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(infos)
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}
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func (dis *Dis) authDis(r *http.Request) bool {
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user, pass, ok := r.BasicAuth()
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return ok && user == dis.Config.DisAdminUser && pass == dis.Config.DisAdminPassword
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// wait for the results, and return
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err = errgroup.Wait()
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return
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}
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@ -2,4 +2,4 @@ FROM docker.io/library/docker:20.10-cli
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COPY wdcli /wdcli
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EXPOSE 8888
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CMD ["/wdcli","--internal-in-docker","--config","${CONFIG_PATH}","server","--bind","0.0.0.0:8888"]
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CMD ["/wdcli","--internal-in-docker","--config", "${CONFIG_PATH}","server","--bind","0.0.0.0:8888"]
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