SQLite backed cache (#223)

This uses SQLite-backed informers provided by Lasso with https://github.com/rancher/lasso/pull/65 to implement Steve API (/v1/) functionality.

This new functionality is available behind a feature flag to be specified at Steve startup

See https://confluence.suse.com/pages/viewpage.action?pageId=1359086083 

Co-authored-by: Ricardo Weir <ricardo.weir@suse.com>
Co-authored-by: Michael Bolot <michael.bolot@suse.com>
Co-authored-by: Silvio Moioli <silvio@moioli.net>
Signed-off-by: Silvio Moioli <silvio@moioli.net>

pkg/stores/sqlproxy/sql_informer_mocks_test.go

@@ -0,0 +1,54 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: github.com/rancher/lasso/pkg/cache/sql/informer (interfaces: ByOptionsLister)
+
+// Package sqlproxy is a generated GoMock package.
+package sqlproxy
+
+import (
+	context "context"
+	reflect "reflect"
+
+	gomock "github.com/golang/mock/gomock"
+	informer "github.com/rancher/lasso/pkg/cache/sql/informer"
+	partition "github.com/rancher/lasso/pkg/cache/sql/partition"
+	unstructured "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+)
+
+// MockByOptionsLister is a mock of ByOptionsLister interface.
+type MockByOptionsLister struct {
+	ctrl     *gomock.Controller
+	recorder *MockByOptionsListerMockRecorder
+}
+
+// MockByOptionsListerMockRecorder is the mock recorder for MockByOptionsLister.
+type MockByOptionsListerMockRecorder struct {
+	mock *MockByOptionsLister
+}
+
+// NewMockByOptionsLister creates a new mock instance.
+func NewMockByOptionsLister(ctrl *gomock.Controller) *MockByOptionsLister {
+	mock := &MockByOptionsLister{ctrl: ctrl}
+	mock.recorder = &MockByOptionsListerMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockByOptionsLister) EXPECT() *MockByOptionsListerMockRecorder {
+	return m.recorder
+}
+
+// ListByOptions mocks base method.
+func (m *MockByOptionsLister) ListByOptions(arg0 context.Context, arg1 informer.ListOptions, arg2 []partition.Partition, arg3 string) (*unstructured.UnstructuredList, string, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ListByOptions", arg0, arg1, arg2, arg3)
+	ret0, _ := ret[0].(*unstructured.UnstructuredList)
+	ret1, _ := ret[1].(string)
+	ret2, _ := ret[2].(error)
+	return ret0, ret1, ret2
+}
+
+// ListByOptions indicates an expected call of ListByOptions.
+func (mr *MockByOptionsListerMockRecorder) ListByOptions(arg0, arg1, arg2, arg3 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListByOptions", reflect.TypeOf((*MockByOptionsLister)(nil).ListByOptions), arg0, arg1, arg2, arg3)
+}