Update containers/common to main branch

Want to add support for Machine.Volumes

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

vendor/github.com/containers/common/pkg/config/config.go

@@ -558,8 +558,10 @@ type MachineConfig struct {
 	Image string `toml:"image,omitempty"`
 	// Memory in MB a machine is created with.
 	Memory uint64 `toml:"memory,omitempty,omitzero"`
-	// Username to use for rootless podman when init-ing a podman machine VM
+	// User to use for rootless podman when init-ing a podman machine VM
 	User string `toml:"user,omitempty"`
+	// Volumes are host directories mounted into the VM by default.
+	Volumes []string `toml:"volumes"`
 }
 
 // Destination represents destination for remote service

vendor/github.com/containers/common/pkg/config/containers.conf

@@ -627,6 +627,15 @@ default_sysctls = [
 #
 #user = "core"
 
+# Host directories to be mounted as volumes into the VM by default.
+# Environment variables like $HOME as well as complete paths are supported for
+# the source and destination. An optional third field `:ro` can be used to 
+# tell the container engines to mount the volume readonly.
+#
+# volumes = [
+#  "$HOME:$HOME",
+#]
+
 # The [machine] table MUST be the last entry in this file.
 # (Unless another table is added)
 # TOML does not provide a way to end a table other than a further table being

vendor/github.com/containers/common/pkg/config/default.go

@@ -9,6 +9,7 @@ import (
 	"path/filepath"
 	"regexp"
 	"strconv"
+	"strings"
 
 	nettypes "github.com/containers/common/libnetwork/types"
 	"github.com/containers/common/pkg/apparmor"
@@ -246,6 +247,7 @@ func defaultMachineConfig() MachineConfig {
 		Image:    getDefaultMachineImage(),
 		Memory:   2048,
 		User:     getDefaultMachineUser(),
+		Volumes:  []string{"$HOME:$HOME"},
 	}
 }
 
@@ -593,3 +595,24 @@ func (c *Config) LogDriver() string {
 func (c *Config) MachineEnabled() bool {
 	return c.Engine.MachineEnabled
 }
+
+// MachineVolumes returns volumes to mount into the VM
+func (c *Config) MachineVolumes() ([]string, error) {
+	return machineVolumes(c.Machine.Volumes)
+}
+
+func machineVolumes(volumes []string) ([]string, error) {
+	translatedVolumes := []string{}
+	for _, v := range volumes {
+		vol := os.ExpandEnv(v)
+		split := strings.Split(vol, ":")
+		if len(split) < 2 || len(split) > 3 {
+			return nil, errors.Errorf("invalid machine volume %s, 2 or 3 fields required", v)
+		}
+		if split[0] == "" || split[1] == "" {
+			return nil, errors.Errorf("invalid machine volume %s, fields must container data", v)
+		}
+		translatedVolumes = append(translatedVolumes, vol)
+	}
+	return translatedVolumes, nil
+}