inclusion of podman network

adding podman network and the subcommands inspect, list, and rm.  the
inspect subcommand displays the raw cni network configuration.  the list
subcommand displays a summary of the cni networks ala ps.  and the rm
subcommand removes a cni network.

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

2 files changed, 30 insertions, 0 deletions

diff --git a/pkg/network/config.go b/pkg/network/config.go
new file mode 100644
index 000000000..d282f66b6
--- /dev/null
+++ b/pkg/network/config.go
@@ -0,0 +1,4 @@
+package network
+
+// CNIConfigDir is the path where CNI config files exist
+const CNIConfigDir = "/etc/cni/net.d"
diff --git a/pkg/network/network.go b/pkg/network/network.go
new file mode 100644
index 000000000..9d04340a3
--- /dev/null
+++ b/pkg/network/network.go
@@ -0,0 +1,26 @@
+package network
+
+import (
+	"sort"
+
+	"github.com/containernetworking/cni/libcni"
+)
+
+// LoadCNIConfsFromDir loads all the CNI configurations from a dir
+func LoadCNIConfsFromDir(dir string) ([]*libcni.NetworkConfigList, error) {
+	var configs []*libcni.NetworkConfigList
+	files, err := libcni.ConfFiles(dir, []string{".conflist"})
+	if err != nil {
+		return nil, err
+	}
+	sort.Strings(files)
+
+	for _, confFile := range files {
+		conf, err := libcni.ConfListFromFile(confFile)
+		if err != nil {
+			return nil, err
+		}
+		configs = append(configs, conf)
+	}
+	return configs, nil
+}