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✨ Operator endpoints for cluster insights (#1312)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| package cluster | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "connectrpc.com/connect" | ||
| api_cluster "github.com/rigdev/rig-go-api/operator/api/v1/cluster" | ||
| "github.com/rigdev/rig-go-api/operator/api/v1/cluster/clusterconnect" | ||
| "github.com/rigdev/rig/pkg/service/cluster" | ||
| ) | ||
|
|
||
| func NewHandler( | ||
| cluster cluster.Service, | ||
| ) clusterconnect.ServiceHandler { | ||
| return &handler{ | ||
| cluster: cluster, | ||
| } | ||
| } | ||
|
|
||
| type handler struct { | ||
| cluster cluster.Service | ||
| } | ||
|
|
||
| func (h *handler) GetNodes( | ||
| ctx context.Context, _ *connect.Request[api_cluster.GetNodesRequest], | ||
| ) (*connect.Response[api_cluster.GetNodesResponse], error) { | ||
| nodes, err := h.cluster.GetNodes(ctx) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return connect.NewResponse(&api_cluster.GetNodesResponse{ | ||
| Nodes: nodes, | ||
| }), nil | ||
| } | ||
|
|
||
| func (h *handler) GetNodePods( | ||
| ctx context.Context, req *connect.Request[api_cluster.GetNodePodsRequest], | ||
| ) (*connect.Response[api_cluster.GetNodePodsResponse], error) { | ||
| pods, err := h.cluster.GetNodePods(ctx, req.Msg.GetNodeName()) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return connect.NewResponse(&api_cluster.GetNodePodsResponse{ | ||
| Pods: pods, | ||
| }), nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| package cluster | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "maps" | ||
| "slices" | ||
|
|
||
| "github.com/rigdev/rig-go-api/model" | ||
| api_cluster "github.com/rigdev/rig-go-api/operator/api/v1/cluster" | ||
| "github.com/rigdev/rig/pkg/pipeline" | ||
| corev1 "k8s.io/api/core/v1" | ||
| metricsv1beta1 "k8s.io/metrics/pkg/apis/metrics/v1beta1" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
||
| type Service interface { | ||
| GetNodes(ctx context.Context) ([]*api_cluster.Node, error) | ||
| GetNodePods(ctx context.Context, nodeName string) ([]*api_cluster.Pod, error) | ||
| } | ||
|
|
||
| func New(client client.Client) Service { | ||
| return &service{ | ||
| client: client, | ||
| } | ||
| } | ||
|
|
||
| type service struct { | ||
| client client.Client | ||
| } | ||
|
|
||
| func (s *service) GetNodes(ctx context.Context) ([]*api_cluster.Node, error) { | ||
| listReq := corev1.NodeList{} | ||
| if err := s.client.List(ctx, &listReq); err != nil { | ||
| return nil, fmt.Errorf("failed to list nodes: %w", err) | ||
| } | ||
|
|
||
| nodes := map[string]*api_cluster.Node{} | ||
|
|
||
| for _, node := range listReq.Items { | ||
| nodes[node.GetName()] = &api_cluster.Node{ | ||
| NodeName: node.GetName(), | ||
| Allocateable: &model.Resources{ | ||
| CpuMillis: uint64(node.Status.Allocatable.Cpu().MilliValue()), | ||
| MemoryBytes: uint64(node.Status.Allocatable.Memory().Value()), | ||
| }, | ||
| MaxPods: uint64(node.Status.Allocatable.Pods().Value()), | ||
| } | ||
| } | ||
|
|
||
| list := metricsv1beta1.NodeMetricsList{} | ||
| if err := s.client.List(ctx, &list); err != nil { | ||
| return nil, fmt.Errorf("failed to list node metrics: %w", err) | ||
| } | ||
|
|
||
| for _, node := range list.Items { | ||
| n, ok := nodes[node.GetName()] | ||
| if !ok { | ||
| n = &api_cluster.Node{ | ||
| NodeName: node.GetName(), | ||
| Allocateable: &model.Resources{}, | ||
| Usage: &model.Resources{}, | ||
| MaxPods: 0, | ||
| } | ||
| nodes[node.GetName()] = n | ||
| } | ||
| n.Usage = &model.Resources{ | ||
| CpuMillis: uint64(node.Usage.Cpu().MilliValue()), | ||
| MemoryBytes: uint64(node.Usage.Memory().Value()), | ||
| } | ||
| } | ||
|
|
||
| keys := slices.Sorted((maps.Keys(nodes))) | ||
| var res []*api_cluster.Node | ||
| for _, k := range keys { | ||
| res = append(res, nodes[k]) | ||
| } | ||
| return res, nil | ||
| } | ||
|
|
||
| func (s *service) GetNodePods(ctx context.Context, nodeName string) ([]*api_cluster.Pod, error) { | ||
| listReq := corev1.PodList{} | ||
| if err := s.client.List(ctx, &listReq, client.MatchingFields{ | ||
| "spec.nodeName": nodeName, | ||
| }); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| var res []*api_cluster.Pod | ||
| for _, pod := range listReq.Items { | ||
| req := &model.Resources{} | ||
| for _, c := range pod.Spec.Containers { | ||
| req.CpuMillis += uint64(c.Resources.Requests.Cpu().MilliValue()) | ||
| req.MemoryBytes += uint64(c.Resources.Requests.Memory().Value()) | ||
| } | ||
| res = append(res, &api_cluster.Pod{ | ||
| PodName: pod.GetName(), | ||
| Namespace: pod.GetNamespace(), | ||
| Requested: req, | ||
| CapsuleName: pod.Labels[pipeline.LabelCapsule], | ||
| }) | ||
| } | ||
|
|
||
| return res, nil | ||
| } |