Merge pull request #12690 from chlins/fix/preheat-disable-instance-precheck

fix(preheat): add precheck before disable instance
This commit is contained in:
Chlins Zhang 2020-08-10 17:36:29 +08:00 committed by GitHub
commit ad158964bb
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 65 additions and 28 deletions

View File

@ -184,11 +184,45 @@ func (c *controller) CreateInstance(ctx context.Context, instance *providerModel
// DeleteInstance implements @Controller.Delete
func (c *controller) DeleteInstance(ctx context.Context, id int64) error {
// delete instance should check the instance whether be used by policies
policies, err := c.ListPolicies(ctx, &q.Query{
Keywords: map[string]interface{}{
"provider_id": id,
},
})
if err != nil {
return err
}
if len(policies) > 0 {
return errors.New(nil).
WithCode(errors.PreconditionCode).
WithMessage("Can't delete instance %d, %d preheat policies use it as provider", id, len(policies))
}
return c.iManager.Delete(ctx, id)
}
// UpdateInstance implements @Controller.Update
func (c *controller) UpdateInstance(ctx context.Context, instance *providerModels.Instance, properties ...string) error {
if !instance.Enabled {
// update instance should check the instance whether be used by policies
policies, err := c.ListPolicies(ctx, &q.Query{
Keywords: map[string]interface{}{
"provider_id": instance.ID,
},
})
if err != nil {
return err
}
if len(policies) > 0 {
return errors.New(nil).
WithCode(errors.PreconditionCode).
WithMessage("Can't disable instance %d, %d preheat policies use it as provider", instance.ID, len(policies))
}
}
return c.iManager.Update(ctx, instance, properties...)
}

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@ -168,21 +168,40 @@ func (s *preheatSuite) TestCreateInstance() {
}
func (s *preheatSuite) TestDeleteInstance() {
err := s.controller.DeleteInstance(s.ctx, 0)
s.Error(err)
// instance be used should not be deleted
s.fakePolicyMgr.On("ListPolicies", s.ctx, &q.Query{Keywords: map[string]interface{}{"provider_id": int64(1)}}).Return([]*policy.Schema{
{
ProviderID: 1,
},
}, nil)
err := s.controller.DeleteInstance(s.ctx, int64(1))
s.Error(err, "instance should not be deleted")
err = s.controller.DeleteInstance(s.ctx, int64(1))
s.NoError(err)
s.fakePolicyMgr.On("ListPolicies", s.ctx, &q.Query{Keywords: map[string]interface{}{"provider_id": int64(2)}}).Return([]*policy.Schema{}, nil)
s.fakeInstanceMgr.On("Delete", s.ctx, int64(2)).Return(nil)
err = s.controller.DeleteInstance(s.ctx, int64(2))
s.NoError(err, "instance can be deleted")
}
func (s *preheatSuite) TestUpdateInstance() {
s.fakeInstanceMgr.On("Update", s.ctx, mock.Anything).Return(errors.New("no properties provided to update"))
err := s.controller.UpdateInstance(s.ctx, nil)
s.Error(err)
// normal update
s.fakeInstanceMgr.On("Update", s.ctx, &providerModel.Instance{ID: 1000, Enabled: true}).Return(nil)
err := s.controller.UpdateInstance(s.ctx, &providerModel.Instance{ID: 1000, Enabled: true})
s.NoError(err, "instance can be updated")
s.fakeInstanceMgr.On("Update", mock.Anything, mock.Anything, mock.Anything).Return(nil)
err = s.controller.UpdateInstance(s.ctx, &providerModel.Instance{ID: 1}, "enabled")
s.NoError(err)
// disable instance should error due to with policy used
s.fakeInstanceMgr.On("Update", s.ctx, &providerModel.Instance{ID: 1001}).Return(nil)
s.fakePolicyMgr.On("ListPolicies", s.ctx, &q.Query{Keywords: map[string]interface{}{"provider_id": int64(1001)}}).Return([]*policy.Schema{
{ProviderID: 1001},
}, nil)
err = s.controller.UpdateInstance(s.ctx, &providerModel.Instance{ID: 1001})
s.Error(err, "instance should not be disabled")
// disable instance can be deleted if no policy used
s.fakeInstanceMgr.On("Update", s.ctx, &providerModel.Instance{ID: 1002}).Return(nil)
s.fakePolicyMgr.On("ListPolicies", s.ctx, &q.Query{Keywords: map[string]interface{}{"provider_id": int64(1002)}}).Return([]*policy.Schema{}, nil)
err = s.controller.UpdateInstance(s.ctx, &providerModel.Instance{ID: 1002})
s.NoError(err, "instance can be disabled")
}
func (s *preheatSuite) TestGetInstance() {
@ -278,8 +297,8 @@ func (s *preheatSuite) TestDeletePolicy() {
}
func (s *preheatSuite) TestListPolicies() {
s.fakePolicyMgr.On("ListPolicies", s.ctx, mock.Anything).Return([]*policy.Schema{}, nil)
p, err := s.controller.ListPolicies(s.ctx, nil)
s.fakePolicyMgr.On("ListPolicies", s.ctx, &q.Query{}).Return([]*policy.Schema{}, nil)
p, err := s.controller.ListPolicies(s.ctx, &q.Query{})
s.NoError(err)
s.NotNil(p)
}

View File

@ -81,22 +81,6 @@ func (api *preheatAPI) DeleteInstance(ctx context.Context, params operation.Dele
return api.SendError(ctx, err)
}
// delete instance should check the instance whether be used by policies
policies, err := api.preheatCtl.ListPolicies(ctx, &q.Query{
Keywords: map[string]interface{}{
"provider_id": instance.ID,
},
})
if err != nil {
return api.SendError(ctx, err)
}
if len(policies) > 0 {
return api.SendError(ctx, liberrors.New(nil).
WithCode(liberrors.PreconditionCode).
WithMessage("Can't delete instance %s, %d preheat policies use it as provider", instance.Name, len(policies)))
}
err = api.preheatCtl.DeleteInstance(ctx, instance.ID)
if err != nil {
return api.SendError(ctx, err)