Method GetPolicy

backend/store/policy.go:439–467

GetPolicy gets a policy.

(ctx context.Context, find *FindPolicyMessage)

// GetPolicy gets a policy.
func (s *Store) GetPolicy(ctx context.Context, find *FindPolicyMessage) (*PolicyMessage, error) {
	if find.ResourceType != nil && find.Resource != nil && find.Type != nil {
		if v, ok := s.policyCache.Get(getPolicyCacheKey(find.Workspace, *find.ResourceType, *find.Resource, *find.Type)); ok && s.enableCache {
			return v, nil
		}
	}

	// We will always return the resource regardless of its deleted state.
	find.ShowAll = true
	policies, err := s.ListPolicies(ctx, find)
	if err != nil {
		return nil, err
	}
	if len(policies) == 0 {
		// Cache the policy for not found as well to reduce the look up latency.
		if find.ResourceType != nil && find.Resource != nil && find.Type != nil {
			s.policyCache.Add(getPolicyCacheKey(find.Workspace, *find.ResourceType, *find.Resource, *find.Type), nil)
		}
		return nil, nil
	}
	if len(policies) > 1 {
		return nil, &common.Error{Code: common.Conflict, Err: errors.Errorf("found %d policies with filter %+v, expect 1", len(policies), find)}
	}
	policy := policies[0]

	s.policyCache.Add(getPolicyCacheKey(policy.Workspace, policy.ResourceType, policy.Resource, policy.Type), policy)

	return policy, nil
}

// ListPolicies lists all policies.
func (s *Store) ListPolicies(ctx context.Context, find *FindPolicyMessage) ([]*PolicyMessage, error) {