1 files changed, 38 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/agent/discovery/cache.go b/src/go/collectors/go.d.plugin/agent/discovery/cache.go
new file mode 100644
index 000000000..31802aa91
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/agent/discovery/cache.go
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package discovery
+
+import (
+	"github.com/netdata/netdata/go/go.d.plugin/agent/confgroup"
+)
+
+type cache map[string]*confgroup.Group // [Source]
+
+func newCache() *cache {
+	return &cache{}
+}
+
+func (c cache) update(groups []*confgroup.Group) {
+	if len(groups) == 0 {
+		return
+	}
+	for _, group := range groups {
+		if group != nil {
+			c[group.Source] = group
+		}
+	}
+}
+
+func (c cache) reset() {
+	for key := range c {
+		delete(c, key)
+	}
+}
+
+func (c cache) groups() []*confgroup.Group {
+	groups := make([]*confgroup.Group, 0, len(c))
+	for _, group := range c {
+		groups = append(groups, group)
+	}
+	return groups
+}