Prepare frontend repository for monorepo

This change prepares the frontend Git repository for the monorepo
residing at https://github.com/atlarge-research.com/opendc. To
accomodate for this, we move all files into a frontend subdirectory.

1 files changed, 78 insertions, 0 deletions

diff --git a/frontend/src/components/app/sidebars/topology/rack/MachineComponent.js b/frontend/src/components/app/sidebars/topology/rack/MachineComponent.js
new file mode 100644
index 00000000..2521f4a2
--- /dev/null
+++ b/frontend/src/components/app/sidebars/topology/rack/MachineComponent.js
@@ -0,0 +1,78 @@
+import React from "react";
+import Shapes from "../../../../../shapes";
+import { convertLoadToSimulationColor } from "../../../../../util/simulation-load";
+
+const UnitIcon = ({ id, type }) => (
+  <div>
+    <img
+      src={"/img/topology/" + id + "-icon.png"}
+      alt={"Machine contains " + type + " units"}
+      className="img-fluid ml-1"
+      style={{ maxHeight: "35px" }}
+    />
+  </div>
+);
+
+const MachineComponent = ({
+  position,
+  machine,
+  inSimulation,
+  machineLoad,
+  onClick
+}) => {
+  let color = "white";
+  if (inSimulation && machineLoad >= 0) {
+    color = convertLoadToSimulationColor(machineLoad);
+  }
+  const hasNoUnits =
+    machine.cpuIds.length +
+      machine.gpuIds.length +
+      machine.memoryIds.length +
+      machine.storageIds.length ===
+    0;
+
+  return (
+    <li
+      className="d-flex list-group-item list-group-item-action justify-content-between align-items-center"
+      onClick={onClick}
+      style={{ backgroundColor: color }}
+    >
+      <span className="badge badge-default badge-info mr-1">{position}</span>
+      <div className="d-inline-flex">
+        {machine.cpuIds.length > 0 ? (
+          <UnitIcon id="cpu" type="CPU" />
+        ) : (
+          undefined
+        )}
+        {machine.gpuIds.length > 0 ? (
+          <UnitIcon id="gpu" type="GPU" />
+        ) : (
+          undefined
+        )}
+        {machine.memoryIds.length > 0 ? (
+          <UnitIcon id="memory" type="memory" />
+        ) : (
+          undefined
+        )}
+        {machine.storageIds.length > 0 ? (
+          <UnitIcon id="storage" type="storage" />
+        ) : (
+          undefined
+        )}
+        {hasNoUnits ? (
+          <span className="badge badge-default badge-warning">
+            Machine with no units
+          </span>
+        ) : (
+          undefined
+        )}
+      </div>
+    </li>
+  );
+};
+
+MachineComponent.propTypes = {
+  machine: Shapes.Machine
+};
+
+export default MachineComponent;