[v0.3] Migrate SQL cache to Steve (#474)

* Migrate SQLcache to Steve

* Fix imports

* go mod tidy

* Fix lint errors

* Remove lasso SQL cache mentions

* Fix more CI lint errors

* fix goimports

Signed-off-by: Silvio Moioli <silvio@moioli.net>

* Fix more linting errors

* More lint fix

* Add envtest support

---------

Signed-off-by: Silvio Moioli <silvio@moioli.net>
Co-authored-by: Silvio Moioli <silvio@moioli.net>

pkg/sqlcache/informer/listoptions.go

@@ -0,0 +1,59 @@
+package informer
+
+type Op string
+
+const (
+	Eq    Op = ""
+	NotEq Op = "!="
+)
+
+// SortOrder represents whether the list should be ascending or descending.
+type SortOrder int
+
+const (
+	// ASC stands for ascending order.
+	ASC SortOrder = iota
+	// DESC stands for descending (reverse) order.
+	DESC
+)
+
+// ListOptions represents the query parameters that may be included in a list request.
+type ListOptions struct {
+	ChunkSize  int
+	Resume     string
+	Filters    []OrFilter
+	Sort       Sort
+	Pagination Pagination
+}
+
+// Filter represents a field to filter by.
+// A subfield in an object is represented in a request query using . notation, e.g. 'metadata.name'.
+// The subfield is internally represented as a slice, e.g. [metadata, name].
+type Filter struct {
+	Field   []string
+	Match   string
+	Op      Op
+	Partial bool
+}
+
+// OrFilter represents a set of possible fields to filter by, where an item may match any filter in the set to be included in the result.
+type OrFilter struct {
+	Filters []Filter
+}
+
+// Sort represents the criteria to sort on.
+// The subfield to sort by is represented in a request query using . notation, e.g. 'metadata.name'.
+// The subfield is internally represented as a slice, e.g. [metadata, name].
+// The order is represented by prefixing the sort key by '-', e.g. sort=-metadata.name.
+type Sort struct {
+	PrimaryField   []string
+	SecondaryField []string
+	PrimaryOrder   SortOrder
+	SecondaryOrder SortOrder
+}
+
+// Pagination represents how to return paginated results.
+type Pagination struct {
+	PageSize int
+	Page     int
+}