add network prune

add the ability to prune unused cni networks.  filters are not implemented
but included both compat and podman api endpoints.

Fixes :#8673

Signed-off-by: baude <bbaude@redhat.com>

3 files changed, 43 insertions, 0 deletions

diff --git a/pkg/api/handlers/compat/networks.go b/pkg/api/handlers/compat/networks.go
index f0b922885..f7a70816f 100644
--- a/pkg/api/handlers/compat/networks.go
+++ b/pkg/api/handlers/compat/networks.go
@@ -388,3 +388,25 @@ func Disconnect(w http.ResponseWriter, r *http.Request) {
 	}
 	utils.WriteResponse(w, http.StatusOK, "OK")
 }
+
+// Prune removes unused networks
+func Prune(w http.ResponseWriter, r *http.Request) {
+	// TODO Filters are not implemented
+	runtime := r.Context().Value("runtime").(*libpod.Runtime)
+	ic := abi.ContainerEngine{Libpod: runtime}
+	pruneOptions := entities.NetworkPruneOptions{}
+	pruneReports, err := ic.NetworkPrune(r.Context(), pruneOptions)
+	if err != nil {
+		utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err)
+		return
+	}
+	var prunedNetworks []string //nolint
+	for _, pr := range pruneReports {
+		if pr.Error != nil {
+			logrus.Error(pr.Error)
+			continue
+		}
+		prunedNetworks = append(prunedNetworks, pr.Name)
+	}
+	utils.WriteResponse(w, http.StatusOK, prunedNetworks)
+}
diff --git a/pkg/api/handlers/compat/swagger.go b/pkg/api/handlers/compat/swagger.go
index 0a514822b..1d1f1ecf2 100644
--- a/pkg/api/handlers/compat/swagger.go
+++ b/pkg/api/handlers/compat/swagger.go
@@ -77,3 +77,10 @@ type swagCompatNetworkDisconnectRequest struct {
 	// in:body
 	Body struct{ types.NetworkDisconnect }
 }
+
+// Network prune
+// swagger:response NetworkPruneResponse
+type swagCompatNetworkPruneResponse struct {
+	// in:body
+	Body []string
+}
diff --git a/pkg/api/handlers/libpod/networks.go b/pkg/api/handlers/libpod/networks.go
index d3bf06988..998f89d96 100644
--- a/pkg/api/handlers/libpod/networks.go
+++ b/pkg/api/handlers/libpod/networks.go
@@ -175,3 +175,17 @@ func ExistsNetwork(w http.ResponseWriter, r *http.Request) {
 	}
 	utils.WriteResponse(w, http.StatusNoContent, "")
 }
+
+// Prune removes unused networks
+func Prune(w http.ResponseWriter, r *http.Request) {
+	// TODO Filters are not implemented
+	runtime := r.Context().Value("runtime").(*libpod.Runtime)
+	ic := abi.ContainerEngine{Libpod: runtime}
+	pruneOptions := entities.NetworkPruneOptions{}
+	pruneReports, err := ic.NetworkPrune(r.Context(), pruneOptions)
+	if err != nil {
+		utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err)
+		return
+	}
+	utils.WriteResponse(w, http.StatusOK, pruneReports)
+}