Add GET cluster/resources API Method

.gitignore

@@ -0,0 +1 @@
+.idea/

cluster.go

@@ -43,3 +43,56 @@ func (s *ClusterService) GetClusterStatus() (*GetClusterStatusResponse, *http.Re
 
 	return d, resp, nil
 }
+
+// GetClusterResourcesResponse contains the response for the /cluster/resources endpoint
+type GetClusterResourcesResponse struct {
+	Data []GetClusterResourcesData `json:"data"`
+}
+
+// GetClusterResourcesData contains data of a cluster's resources from GetClusterResources
+type GetClusterResourcesData struct {
+	ID         string   `json:"id"`
+	Node       string   `json:"node"`
+	Status     string   `json:"status"`
+	Type       string   `json:"type"`
+	CPU        *float64 `json:"cpu"`
+	Disk       *int     `json:"disk"`
+	DiskRead   *int     `json:"diskread"`
+	DiskWrite  *int     `json:"diskwrite"`
+	MaxCPU     *int     `json:"maxcpu"`
+	MaxDisk    *int     `json:"maxdisk"`
+	MaxMem     *int     `json:"maxmem"`
+	Mem        *int     `json:"mem"`
+	Name       *string  `json:"name"`
+	NetIn      *int     `json:"netin"`
+	NetOut     *int     `json:"netout"`
+	Template   *int     `json:"template"`
+	Uptime     *int     `json:"uptime"`
+	VMID       *int     `json:"vmid"`
+	HAState    *string  `json:"hastate"`
+	CgroupMode *int     `json:"cgroup-mode"`
+	Level      *string  `json:"level"`
+	Content    *string  `json:"content"`
+	PluginType *string  `json:"plugintype"`
+	Shared     *int     `json:"shared"`
+	Storage    *string  `json:"storage"`
+	SDN        *string  `json:"sdn"`
+}
+
+// GetClusterResources makes a GET request to the /cluster/resources endpoint
+// https://pve.proxmox.com/pve-docs/api-viewer/index.html#/cluster/resources
+func (s *ClusterService) GetClusterResources() (*GetClusterResourcesResponse, *http.Response, error) {
+	u := "cluster/resources"
+	req, err := s.client.NewRequest(http.MethodGet, u, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	d := new(GetClusterResourcesResponse)
+	resp, err := s.client.Do(req, d)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return d, resp, nil
+}

cluster_test.go

@@ -0,0 +1,99 @@
+package proxmox
+
+import (
+	"fmt"
+	"net/http"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func testStr(s string) *string {
+	return &s
+}
+
+func testInt(i int) *int {
+	return &i
+}
+
+func testFloat64(f float64) *float64 {
+	return &f
+}
+
+func TestGetClusterResources(t *testing.T) {
+	mux, server, client := setup(t)
+	defer teardown(server)
+
+	mux.HandleFunc("/api2/json/cluster/resources", func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		_, err := fmt.Fprint(w, fixture("clusters/get_cluster_resources.json"))
+		if err != nil {
+			return
+		}
+	})
+
+	want := GetClusterResourcesResponse{
+		Data: []GetClusterResourcesData{
+			{
+				CPU:       testFloat64(.00215395696684676),
+				Disk:      testInt(0),
+				DiskRead:  testInt(1899047936),
+				DiskWrite: testInt(2697581568),
+				ID:        "qemu/101",
+				MaxCPU:    testInt(4),
+				MaxDisk:   testInt(549755813888),
+				MaxMem:    testInt(17179869184),
+				Mem:       testInt(3865654169),
+				Name:      testStr("my-vm"),
+				NetIn:     testInt(554461212),
+				NetOut:    testInt(13830445),
+				Node:      "node1",
+				Status:    "running",
+				Template:  testInt(0),
+				Type:      "qemu",
+				Uptime:    testInt(234806),
+				VMID:      testInt(101),
+			},
+			{
+				CgroupMode: testInt(2),
+				CPU:        testFloat64(0.0496424063946151),
+				Disk:       testInt(5996113920),
+				ID:         "node/node1",
+				Level:      testStr(""),
+				MaxCPU:     testInt(16),
+				MaxDisk:    testInt(100861726720),
+				MaxMem:     testInt(134850514944),
+				Mem:        testInt(64139268096),
+				Node:       "node1",
+				Status:     "online",
+				Type:       "node",
+				Uptime:     testInt(234832),
+			},
+			{
+				Content:    testStr("iso,backup,vztmpl"),
+				Disk:       testInt(5996113920),
+				ID:         "storage/node1/local",
+				MaxDisk:    testInt(100861726720),
+				Node:       "node1",
+				PluginType: testStr("dir"),
+				Shared:     testInt(0),
+				Status:     "available",
+				Storage:    testStr("local"),
+				Type:       "storage",
+			},
+			{
+				ID:     "sdn/node1/localnetwork",
+				Node:   "node1",
+				SDN:    testStr("localnetwork"),
+				Status: "ok",
+				Type:   "sdn",
+			},
+		},
+	}
+
+	r, resp, err := client.Cluster.GetClusterResources()
+	require.NoError(t, err)
+	require.NotNil(t, resp)
+	require.Equal(t, want, *r)
+}

testdata/clusters/get_cluster_resources.json

@@ -0,0 +1,58 @@
+{
+  "data": [
+    {
+      "cpu": 0.00215395696684676,
+      "disk": 0,
+      "diskread": 1899047936,
+      "diskwrite": 2697581568,
+      "id": "qemu/101",
+      "maxcpu": 4,
+      "maxdisk": 549755813888,
+      "maxmem": 17179869184,
+      "mem": 3865654169,
+      "name": "my-vm",
+      "netin": 554461212,
+      "netout": 13830445,
+      "node": "node1",
+      "status": "running",
+      "template": 0,
+      "type": "qemu",
+      "uptime": 234806,
+      "vmid": 101
+    },
+    {
+      "cgroup-mode": 2,
+      "cpu": 0.0496424063946151,
+      "disk": 5996113920,
+      "id": "node/node1",
+      "level": "",
+      "maxcpu": 16,
+      "maxdisk": 100861726720,
+      "maxmem": 134850514944,
+      "mem": 64139268096,
+      "node": "node1",
+      "status": "online",
+      "type": "node",
+      "uptime": 234832
+    },
+    {
+      "content": "iso,backup,vztmpl",
+      "disk": 5996113920,
+      "id": "storage/node1/local",
+      "maxdisk": 100861726720,
+      "node": "node1",
+      "plugintype": "dir",
+      "shared": 0,
+      "status": "available",
+      "storage": "local",
+      "type": "storage"
+    },
+    {
+      "id": "sdn/node1/localnetwork",
+      "node": "node1",
+      "sdn": "localnetwork",
+      "status": "ok",
+      "type": "sdn"
+    }
+  ]
+}