forked from loft-sh/vcluster-sdk
/
plugin_server.go
141 lines (121 loc) · 3.04 KB
/
plugin_server.go
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package plugin
import (
"context"
"encoding/json"
"fmt"
"github.com/TylerGillson/vcluster-sdk/hook"
"github.com/TylerGillson/vcluster-sdk/plugin/remote"
)
type pluginServer struct {
remote.UnimplementedPluginServer
hooks map[ApiVersionKindType][]hook.ClientHook
registeredHooks []*remote.ClientHook
}
type ApiVersionKindType struct {
ApiVersion string
Kind string
Type string
}
var _ remote.PluginServer = &pluginServer{}
func (p *pluginServer) Mutate(ctx context.Context, req *remote.MutateRequest) (*remote.MutateResult, error) {
hooks, ok := p.hooks[ApiVersionKindType{
ApiVersion: req.ApiVersion,
Kind: req.Kind,
Type: req.Type,
}]
if !ok {
return &remote.MutateResult{}, nil
}
object := req.Object
originalObject := object
for _, h := range hooks {
res := h.Resource()
err := json.Unmarshal([]byte(object), res)
if err != nil {
return nil, fmt.Errorf("error decoding object: %v", err)
}
switch req.Type {
case "CreatePhysical":
m, ok := h.(hook.MutateCreatePhysical)
if !ok {
continue
}
res, err = m.MutateCreatePhysical(ctx, res)
if err != nil {
return nil, fmt.Errorf("error mutating object: %v", err)
}
case "UpdatePhysical":
m, ok := h.(hook.MutateUpdatePhysical)
if !ok {
continue
}
res, err = m.MutateUpdatePhysical(ctx, res)
if err != nil {
return nil, fmt.Errorf("error mutating object: %v", err)
}
case "DeletePhysical":
m, ok := h.(hook.MutateDeletePhysical)
if !ok {
continue
}
res, err = m.MutateDeletePhysical(ctx, res)
if err != nil {
return nil, fmt.Errorf("error mutating object: %v", err)
}
case "GetPhysical":
m, ok := h.(hook.MutateGetPhysical)
if !ok {
continue
}
res, err = m.MutateGetPhysical(ctx, res)
if err != nil {
return nil, fmt.Errorf("error mutating object: %v", err)
}
case "CreateVirtual":
m, ok := h.(hook.MutateCreateVirtual)
if !ok {
continue
}
res, err = m.MutateCreateVirtual(ctx, res)
if err != nil {
return nil, fmt.Errorf("error mutating object: %v", err)
}
case "UpdateVirtual":
m, ok := h.(hook.MutateUpdateVirtual)
if !ok {
continue
}
res, err = m.MutateUpdateVirtual(ctx, res)
if err != nil {
return nil, fmt.Errorf("error mutating object: %v", err)
}
case "DeleteVirtual":
m, ok := h.(hook.MutateDeleteVirtual)
if !ok {
continue
}
res, err = m.MutateDeleteVirtual(ctx, res)
if err != nil {
return nil, fmt.Errorf("error mutating object: %v", err)
}
case "GetVirtual":
m, ok := h.(hook.MutateGetVirtual)
if !ok {
continue
}
res, err = m.MutateGetVirtual(ctx, res)
if err != nil {
return nil, fmt.Errorf("error mutating object: %v", err)
}
}
rawObject, err := json.Marshal(res)
if err != nil {
return nil, fmt.Errorf("error encoding object %#+v: %v", res, err)
}
object = string(rawObject)
}
if object == originalObject {
return &remote.MutateResult{}, nil
}
return &remote.MutateResult{Mutated: true, Object: object}, nil
}