Merge pull request #448 from jameswynn/kubernetes

Support for Kubernetes and Longhorn

src/widgets/components.js

@@ -10,6 +10,7 @@ const components = {
   deluge: dynamic(() => import("./deluge/component")),
   downloadstation: dynamic(() => import("./downloadstation/component")),
   docker: dynamic(() => import("./docker/component")),
+  kubernetes: dynamic(() => import("./kubernetes/component")),
   emby: dynamic(() => import("./emby/component")),
   flood: dynamic(() => import("./flood/component")),
   gluetun: dynamic(() => import("./gluetun/component")),

src/widgets/kubernetes/component.jsx

@@ -0,0 +1,50 @@
+import useSWR from "swr";
+import { useTranslation } from "next-i18next";
+
+import Container from "components/services/widget/container";
+import Block from "components/services/widget/block";
+
+export default function Component({ service }) {
+  const { t } = useTranslation();
+
+  const { widget } = service;
+  const podSelectorString = widget.podSelector !== undefined ? `podSelector=${widget.podSelector}` : "";
+  const { data: statusData, error: statusError } = useSWR(
+    `/api/kubernetes/status/${widget.namespace}/${widget.app}?${podSelectorString}`);
+
+  const { data: statsData, error: statsError } = useSWR(
+    `/api/kubernetes/stats/${widget.namespace}/${widget.app}?${podSelectorString}`);
+
+  if (statsError || statusError) {
+    return <Container error={t("widget.api_error")} />;
+  }
+
+  if (statusData && statusData.status !== "running") {
+    return (
+      <Container>
+        <Block label={t("widget.status")} value={t("docker.offline")} />
+      </Container>
+    );
+  }
+
+  if (!statsData || !statusData) {
+    return (
+      <Container service={service}>
+        <Block label="docker.cpu" />
+        <Block label="docker.mem" />
+      </Container>
+    );
+  }
+
+  return (
+    <Container service={service}>
+      {statsData.stats.cpuLimit && (
+        <Block label="docker.cpu" value={t("common.percent", { value: statsData.stats.cpuUsage })} />
+      ) || (
+        <Block label="docker.cpu" value={t("common.number", { value: statsData.stats.cpu, maximumFractionDigits: 4 })}
+        />
+      )}
+      <Block label="docker.mem" value={t("common.bytes", { value: statsData.stats.mem })} />
+    </Container>
+  );
+}