Initial commit for Postgres Operator UI (#613)

* Initial commit for our basic Postgres Operator UI:
 * Create and modify Postgres manifests
 * Watch Operator Logs in the UI
 * Observe cluster creation progress
 * S3 Backup browser for clone and restore

Many thanks to Manuel Gomez and Jan Mussler for the initial UI work a long time ago!

ui/operator_ui/static/prism.css

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+/* http://prismjs.com/download.html?themes=prism&languages=yaml */
+/**
+ * prism.js default theme for JavaScript, CSS and HTML
+ * Based on dabblet (http://dabblet.com)
+ * @author Lea Verou
+ */
+
+code[class*="language-"],
+pre[class*="language-"] {
+	color: black;
+	background: none;
+	text-shadow: 0 1px white;
+	font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
+	text-align: left;
+	white-space: pre;
+	word-spacing: normal;
+	word-break: normal;
+	word-wrap: normal;
+	line-height: 1.5;
+
+	-moz-tab-size: 4;
+	-o-tab-size: 4;
+	tab-size: 4;
+
+	-webkit-hyphens: none;
+	-moz-hyphens: none;
+	-ms-hyphens: none;
+	hyphens: none;
+}
+
+pre[class*="language-"]::-moz-selection, pre[class*="language-"] ::-moz-selection,
+code[class*="language-"]::-moz-selection, code[class*="language-"] ::-moz-selection {
+	text-shadow: none;
+	background: #b3d4fc;
+}
+
+pre[class*="language-"]::selection, pre[class*="language-"] ::selection,
+code[class*="language-"]::selection, code[class*="language-"] ::selection {
+	text-shadow: none;
+	background: #b3d4fc;
+}
+
+@media print {
+	code[class*="language-"],
+	pre[class*="language-"] {
+		text-shadow: none;
+	}
+}
+
+/* Code blocks */
+pre[class*="language-"] {
+	padding: 1em;
+	margin: .5em 0;
+	overflow: auto;
+}
+
+:not(pre) > code[class*="language-"],
+pre[class*="language-"] {
+	background: #f5f2f0;
+}
+
+/* Inline code */
+:not(pre) > code[class*="language-"] {
+	padding: .1em;
+	border-radius: .3em;
+	white-space: normal;
+}
+
+.token.comment,
+.token.prolog,
+.token.doctype,
+.token.cdata {
+	color: slategray;
+}
+
+.token.punctuation {
+	color: #999;
+}
+
+.namespace {
+	opacity: .7;
+}
+
+.token.property,
+.token.tag,
+.token.boolean,
+.token.number,
+.token.constant,
+.token.symbol,
+.token.deleted {
+	color: #905;
+}
+
+.token.selector,
+.token.attr-name,
+.token.string,
+.token.char,
+.token.builtin,
+.token.inserted {
+	color: #690;
+}
+
+.token.operator,
+.token.entity,
+.token.url,
+.language-css .token.string,
+.style .token.string {
+	color: #a67f59;
+	background: hsla(0, 0%, 100%, .5);
+}
+
+.token.atrule,
+.token.attr-value,
+.token.keyword {
+	color: #07a;
+}
+
+.token.function {
+	color: #DD4A68;
+}
+
+.token.regex,
+.token.important,
+.token.variable {
+	color: #e90;
+}
+
+.token.important,
+.token.bold {
+	font-weight: bold;
+}
+.token.italic {
+	font-style: italic;
+}
+
+.token.entity {
+	cursor: help;
+}
+

ui/operator_ui/static/styles.css

@@ -0,0 +1,66 @@
+body {
+  padding-top: 70px;
+}
+
+h1, h2, h3 {
+  font-family: 'Open Sans', sans-serif;
+}
+
+.font-robot {
+  font-family: 'Roboto 300', sans-serif;
+}
+
+input:invalid {
+  color: red;
+  font-weight: 600;
+}
+
+ul.ips { list-style-type: none; margin: 0; padding: 0; overflow-x: hidden; }
+ul.ips li { margin: 0; padding: 0; }
+ul.ips label { margin: 0; padding: 0; }
+
+.panel-heading.collapsible {
+  cursor: pointer;
+}
+
+.timeline {
+  cursor: pointer;
+}
+
+.panel-heading .collapsible:after {
+  color: grey;
+  content: "\e113";
+  float: right;
+  font-family: 'Glyphicons Halflings';
+  transition: all 0.5s;
+}
+
+.panel-heading.collapsed .collapsible:after {
+  transform: rotate(-180deg);
+}
+
+:not(form):invalid,select.owner:disabled {
+  border: 1px solid red;
+  box-shadow: 0 0 10px red;
+}
+
+.page-header {
+  margin-top: 0px;
+}
+
+.page-header h1 {
+  margin-top: 0px;
+}
+
+label {
+  font-weight: normal;
+  margin-top: 0;
+}
+
+.sk-spinner-pulse {
+  background-color: darkblue;
+}
+
+td {
+  vertical-align: middle !important;
+}