/
node.go
80 lines (69 loc) · 2.4 KB
/
node.go
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package backend
import (
"context"
"github.com/google/go-cmp/cmp"
capabilityv1 "github.com/rancher/opni/pkg/apis/capability/v1"
corev1 "github.com/rancher/opni/pkg/apis/core/v1"
"github.com/rancher/opni/pkg/capabilities/wellknown"
"github.com/rancher/opni/pkg/plugins/apis/apiextensions/stream"
"github.com/rancher/opni/plugins/metrics/apis/node"
"google.golang.org/grpc"
"google.golang.org/protobuf/testing/protocmp"
"google.golang.org/protobuf/types/known/emptypb"
)
type NodeServiceBackend struct {
node.UnsafeNodeConfigurationServer
*MetricsBackend
}
func (m *NodeServiceBackend) syncAllNodes() error {
_, err := m.Delegate.WithBroadcastSelector(&corev1.ClusterSelector{}, stream.DiscardReplies).
SyncNow(context.Background(), &capabilityv1.Filter{
CapabilityNames: []string{wellknown.CapabilityMetrics},
}, grpc.WaitForReady(false))
return err
}
func (m *NodeServiceBackend) GetDefaultNodeConfiguration(ctx context.Context, _ *emptypb.Empty) (*node.MetricsCapabilitySpec, error) {
m.WaitForInit()
return m.getDefaultNodeSpec(ctx)
}
func (m *NodeServiceBackend) GetNodeConfiguration(ctx context.Context, node *corev1.Reference) (*node.MetricsCapabilitySpec, error) {
m.WaitForInit()
return m.getNodeSpecOrDefault(ctx, node.GetId())
}
func (m *NodeServiceBackend) SetDefaultNodeConfiguration(ctx context.Context, conf *node.MetricsCapabilitySpec) (*emptypb.Empty, error) {
m.WaitForInit()
var empty node.MetricsCapabilitySpec
if cmp.Equal(conf, &empty, protocmp.Transform()) {
if err := m.KV.DefaultCapabilitySpec.Delete(ctx); err != nil {
return nil, err
}
m.broadcastNodeSync(ctx)
return &emptypb.Empty{}, nil
}
if err := conf.Validate(); err != nil {
return nil, err
}
if err := m.KV.DefaultCapabilitySpec.Put(ctx, conf); err != nil {
return nil, err
}
m.broadcastNodeSync(ctx)
return &emptypb.Empty{}, nil
}
func (m *NodeServiceBackend) SetNodeConfiguration(ctx context.Context, req *node.NodeConfigRequest) (*emptypb.Empty, error) {
m.WaitForInit()
if req.Spec == nil {
if err := m.KV.NodeCapabilitySpecs.Delete(ctx, req.Node.GetId()); err != nil {
return nil, err
}
m.requestNodeSync(ctx, req.Node)
return &emptypb.Empty{}, nil
}
if err := req.Spec.Validate(); err != nil {
return nil, err
}
if err := m.KV.NodeCapabilitySpecs.Put(ctx, req.Node.GetId(), req.GetSpec()); err != nil {
return nil, err
}
m.requestNodeSync(ctx, req.Node)
return &emptypb.Empty{}, nil
}