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rbac_role.go
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/
rbac_role.go
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package types
import (
"context"
"errors"
"fmt"
"github.com/rainest/decklib/pkg/crud"
"github.com/rainest/decklib/pkg/state"
"github.com/kong/go-kong/kong"
)
// rbacRoleCRUD implements crud.Actions interface.
type rbacRoleCRUD struct {
client *kong.Client
}
func rbacRoleFromStruct(arg crud.Event) *state.RBACRole {
role, ok := arg.Obj.(*state.RBACRole)
if !ok {
panic("unexpected type, expected *state.RBACRole")
}
return role
}
// Create creates a RBACRole in Kong.
// The arg should be of type crud.Event, containing the role to be created,
// else the function will panic.
// It returns a the created *state.RBACRole.
func (s *rbacRoleCRUD) Create(ctx context.Context, arg ...crud.Arg) (crud.Arg, error) {
event := crud.EventFromArg(arg[0])
role := rbacRoleFromStruct(event)
createdRBACRole, err := s.client.RBACRoles.Create(ctx, &role.RBACRole)
if err != nil {
return nil, err
}
return &state.RBACRole{RBACRole: *createdRBACRole}, nil
}
// Delete deletes a RBACRole in Kong.
// The arg should be of type crud.Event, containing the role to be deleted,
// else the function will panic.
// It returns a the deleted *state.RBACRole.
func (s *rbacRoleCRUD) Delete(ctx context.Context, arg ...crud.Arg) (crud.Arg, error) {
event := crud.EventFromArg(arg[0])
role := rbacRoleFromStruct(event)
err := s.client.RBACRoles.Delete(ctx, role.ID)
if err != nil {
return nil, err
}
return role, nil
}
// Update updates a RBACRole in Kong.
// The arg should be of type crud.Event, containing the role to be updated,
// else the function will panic.
// It returns a the updated *state.RBACRole.
func (s *rbacRoleCRUD) Update(ctx context.Context, arg ...crud.Arg) (crud.Arg, error) {
event := crud.EventFromArg(arg[0])
role := rbacRoleFromStruct(event)
updatedRBACRole, err := s.client.RBACRoles.Create(ctx, &role.RBACRole)
if err != nil {
return nil, err
}
return &state.RBACRole{RBACRole: *updatedRBACRole}, nil
}
type rbacRoleDiffer struct {
kind crud.Kind
currentState, targetState *state.KongState
}
func (d *rbacRoleDiffer) Deletes(handler func(crud.Event) error) error {
currentRBACRoles, err := d.currentState.RBACRoles.GetAll()
if err != nil {
return fmt.Errorf("error fetching rbac roles from state: %w", err)
}
for _, role := range currentRBACRoles {
n, err := d.deleteRBACRole(role)
if err != nil {
return err
}
if n != nil {
err = handler(*n)
if err != nil {
return err
}
}
}
return nil
}
func (d *rbacRoleDiffer) deleteRBACRole(role *state.RBACRole) (*crud.Event, error) {
_, err := d.targetState.RBACRoles.Get(*role.Name)
if errors.Is(err, state.ErrNotFound) {
return &crud.Event{
Op: crud.Delete,
Kind: d.kind,
Obj: role,
}, nil
}
if err != nil {
return nil, fmt.Errorf("looking up rbac role %q: %w",
role.FriendlyName(), err)
}
return nil, nil
}
func (d *rbacRoleDiffer) CreateAndUpdates(handler func(crud.Event) error) error {
targetRBACRoles, err := d.targetState.RBACRoles.GetAll()
if err != nil {
return fmt.Errorf("error fetching rbac roles from state: %w", err)
}
for _, role := range targetRBACRoles {
n, err := d.createUpdateRBACRole(role)
if err != nil {
return err
}
if n != nil {
err = handler(*n)
if err != nil {
return err
}
}
}
return nil
}
func (d *rbacRoleDiffer) createUpdateRBACRole(role *state.RBACRole) (*crud.Event, error) {
roleCopy := &state.RBACRole{RBACRole: *role.DeepCopy()}
currentRole, err := d.currentState.RBACRoles.Get(*role.Name)
if errors.Is(err, state.ErrNotFound) {
return &crud.Event{
Op: crud.Create,
Kind: d.kind,
Obj: roleCopy,
}, nil
}
if err != nil {
return nil, fmt.Errorf("error looking up rbac role %q: %w",
role.FriendlyName(), err)
}
// found, check if update needed
if !currentRole.EqualWithOpts(roleCopy, false, true, false) {
return &crud.Event{
Op: crud.Update,
Kind: d.kind,
Obj: roleCopy,
OldObj: currentRole,
}, nil
}
return nil, nil
}