util/structfs: import https://github.com/unistack-org/go-structfs

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

util/structfs/metadata_ec2.go

@@ -0,0 +1,30 @@
+package structfs
+
+type EC2Metadata struct {
+	Latest struct {
+		Metadata struct {
+			AMIID              int      `json:"ami-id"`
+			AMILaunchIndex     int      `json:"ami-launch-index"`
+			AMIManifestPath    string   `json:"ami-manifest-path"`
+			AncestorAMIIDs     []int    `json:"ancestor-ami-ids"`
+			BlockDeviceMapping []string `json:"block-device-mapping"`
+			InstanceID         int      `json:"instance-id"`
+			InstanceType       string   `json:"instance-type"`
+			LocalHostname      string   `json:"local-hostname"`
+			LocalIPv4          string   `json:"local-ipv4"`
+			kernelID           int      `json:"kernel-id"`
+			Placement          string   `json:"placement"`
+			AvailabilityZone   string   `json:"availability-zone"`
+			ProductCodes       string   `json:"product-codes"`
+			PublicHostname     string   `json:"public-hostname"`
+			PublicIPv4         string   `json:"public-ipv4"`
+			PublicKeys         []struct {
+				Key []string `json:"-"`
+			} `json:"public-keys"`
+			RamdiskID      int      `json:"ramdisk-id"`
+			ReservationID  int      `json:"reservation-id"`
+			SecurityGroups []string `json:"security-groups"`
+		} `json:"meta-data"`
+		Userdata string `json:"user-data"`
+	} `json:"latest"`
+}