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|
package config
import (
"fmt"
"os"
)
type AufsOptionsConfig struct {
// MountOpt specifies extra mount options used when mounting
MountOpt string `toml:"mountopt,omitempty"`
}
type BtrfsOptionsConfig struct {
// MinSpace is the minimal spaces allocated to the device
MinSpace string `toml:"min_space,omitempty"`
// Size
Size string `toml:"size,omitempty"`
}
type OverlayOptionsConfig struct {
// IgnoreChownErrors is a flag for whether chown errors should be
// ignored when building an image.
IgnoreChownErrors string `toml:"ignore_chown_errors,omitempty"`
// MountOpt specifies extra mount options used when mounting
MountOpt string `toml:"mountopt,omitempty"`
// Alternative program to use for the mount of the file system
MountProgram string `toml:"mount_program,omitempty"`
// Size
Size string `toml:"size,omitempty"`
// Inodes is used to set a maximum inodes of the container image.
Inodes string `toml:"inodes,omitempty"`
// Do not create a bind mount on the storage home
SkipMountHome string `toml:"skip_mount_home,omitempty"`
// Specify whether composefs must be used to mount the data layers
UseComposefs string `toml:"use_composefs,omitempty"`
// ForceMask indicates the permissions mask (e.g. "0755") to use for new
// files and directories
ForceMask string `toml:"force_mask,omitempty"`
}
type VfsOptionsConfig struct {
// IgnoreChownErrors is a flag for whether chown errors should be
// ignored when building an image.
IgnoreChownErrors string `toml:"ignore_chown_errors,omitempty"`
}
type ZfsOptionsConfig struct {
// MountOpt specifies extra mount options used when mounting
MountOpt string `toml:"mountopt,omitempty"`
// Name is the File System name of the ZFS File system
Name string `toml:"fsname,omitempty"`
// Size
Size string `toml:"size,omitempty"`
}
// OptionsConfig represents the "storage.options" TOML config table.
type OptionsConfig struct {
// AdditionalImagesStores is the location of additional read/only
// Image stores. Usually used to access Networked File System
// for shared image content
AdditionalImageStores []string `toml:"additionalimagestores,omitempty"`
// ImageStore is the location of image store which is separated from the
// container store. Usually this is not recommended unless users wants
// separate store for image and containers.
ImageStore string `toml:"imagestore,omitempty"`
// AdditionalLayerStores is the location of additional read/only
// Layer stores. Usually used to access Networked File System
// for shared image content
// This API is experimental and can be changed without bumping the
// major version number.
AdditionalLayerStores []string `toml:"additionallayerstores,omitempty"`
// Size
Size string `toml:"size,omitempty"`
// IgnoreChownErrors is a flag for whether chown errors should be
// ignored when building an image.
IgnoreChownErrors string `toml:"ignore_chown_errors,omitempty"`
// Specify whether composefs must be used to mount the data layers
UseComposefs string `toml:"use_composefs,omitempty"`
// ForceMask indicates the permissions mask (e.g. "0755") to use for new
// files and directories.
ForceMask os.FileMode `toml:"force_mask,omitempty"`
// RootAutoUsernsUser is the name of one or more entries in /etc/subuid and
// /etc/subgid which should be used to set up automatically a userns.
RootAutoUsernsUser string `toml:"root-auto-userns-user,omitempty"`
// AutoUsernsMinSize is the minimum size for a user namespace that is
// created automatically.
AutoUsernsMinSize uint32 `toml:"auto-userns-min-size,omitempty"`
// AutoUsernsMaxSize is the maximum size for a user namespace that is
// created automatically.
AutoUsernsMaxSize uint32 `toml:"auto-userns-max-size,omitempty"`
// Aufs container options to be handed to aufs drivers
Aufs struct{ AufsOptionsConfig } `toml:"aufs,omitempty"`
// Btrfs container options to be handed to btrfs drivers
Btrfs struct{ BtrfsOptionsConfig } `toml:"btrfs,omitempty"`
// Thinpool container options to be handed to thinpool drivers (NOP)
Thinpool struct{} `toml:"thinpool,omitempty"`
// Overlay container options to be handed to overlay drivers
Overlay struct{ OverlayOptionsConfig } `toml:"overlay,omitempty"`
// Vfs container options to be handed to VFS drivers
Vfs struct{ VfsOptionsConfig } `toml:"vfs,omitempty"`
// Zfs container options to be handed to ZFS drivers
Zfs struct{ ZfsOptionsConfig } `toml:"zfs,omitempty"`
// Do not create a bind mount on the storage home
SkipMountHome string `toml:"skip_mount_home,omitempty"`
// Alternative program to use for the mount of the file system
MountProgram string `toml:"mount_program,omitempty"`
// MountOpt specifies extra mount options used when mounting
MountOpt string `toml:"mountopt,omitempty"`
// PullOptions specifies options to be handed to pull managers
// This API is experimental and can be changed without bumping the major version number.
PullOptions map[string]string `toml:"pull_options,omitempty"`
// DisableVolatile doesn't allow volatile mounts when it is set.
DisableVolatile bool `toml:"disable-volatile,omitempty"`
}
// GetGraphDriverOptions returns the driver specific options
func GetGraphDriverOptions(driverName string, options OptionsConfig) []string {
var doptions []string
switch driverName {
case "aufs":
if options.Aufs.MountOpt != "" {
return append(doptions, fmt.Sprintf("%s.mountopt=%s", driverName, options.Aufs.MountOpt))
} else if options.MountOpt != "" {
doptions = append(doptions, fmt.Sprintf("%s.mountopt=%s", driverName, options.MountOpt))
}
case "btrfs":
if options.Btrfs.MinSpace != "" {
return append(doptions, fmt.Sprintf("%s.min_space=%s", driverName, options.Btrfs.MinSpace))
}
if options.Btrfs.Size != "" {
doptions = append(doptions, fmt.Sprintf("%s.size=%s", driverName, options.Btrfs.Size))
} else if options.Size != "" {
doptions = append(doptions, fmt.Sprintf("%s.size=%s", driverName, options.Size))
}
case "overlay", "overlay2":
// Specify whether composefs must be used to mount the data layers
if options.Overlay.IgnoreChownErrors != "" {
doptions = append(doptions, fmt.Sprintf("%s.ignore_chown_errors=%s", driverName, options.Overlay.IgnoreChownErrors))
} else if options.IgnoreChownErrors != "" {
doptions = append(doptions, fmt.Sprintf("%s.ignore_chown_errors=%s", driverName, options.IgnoreChownErrors))
}
if options.Overlay.MountProgram != "" {
doptions = append(doptions, fmt.Sprintf("%s.mount_program=%s", driverName, options.Overlay.MountProgram))
} else if options.MountProgram != "" {
doptions = append(doptions, fmt.Sprintf("%s.mount_program=%s", driverName, options.MountProgram))
}
if options.Overlay.MountOpt != "" {
doptions = append(doptions, fmt.Sprintf("%s.mountopt=%s", driverName, options.Overlay.MountOpt))
} else if options.MountOpt != "" {
doptions = append(doptions, fmt.Sprintf("%s.mountopt=%s", driverName, options.MountOpt))
}
if options.Overlay.Size != "" {
doptions = append(doptions, fmt.Sprintf("%s.size=%s", driverName, options.Overlay.Size))
} else if options.Size != "" {
doptions = append(doptions, fmt.Sprintf("%s.size=%s", driverName, options.Size))
}
if options.Overlay.Inodes != "" {
doptions = append(doptions, fmt.Sprintf("%s.inodes=%s", driverName, options.Overlay.Inodes))
}
if options.Overlay.SkipMountHome != "" {
doptions = append(doptions, fmt.Sprintf("%s.skip_mount_home=%s", driverName, options.Overlay.SkipMountHome))
} else if options.SkipMountHome != "" {
doptions = append(doptions, fmt.Sprintf("%s.skip_mount_home=%s", driverName, options.SkipMountHome))
}
if options.Overlay.ForceMask != "" {
doptions = append(doptions, fmt.Sprintf("%s.force_mask=%s", driverName, options.Overlay.ForceMask))
} else if options.ForceMask != 0 {
doptions = append(doptions, fmt.Sprintf("%s.force_mask=%s", driverName, options.ForceMask))
}
if options.Overlay.UseComposefs != "" {
doptions = append(doptions, fmt.Sprintf("%s.use_composefs=%s", driverName, options.Overlay.UseComposefs))
}
case "vfs":
if options.Vfs.IgnoreChownErrors != "" {
doptions = append(doptions, fmt.Sprintf("%s.ignore_chown_errors=%s", driverName, options.Vfs.IgnoreChownErrors))
} else if options.IgnoreChownErrors != "" {
doptions = append(doptions, fmt.Sprintf("%s.ignore_chown_errors=%s", driverName, options.IgnoreChownErrors))
}
case "zfs":
if options.Zfs.Name != "" {
doptions = append(doptions, fmt.Sprintf("%s.fsname=%s", driverName, options.Zfs.Name))
}
if options.Zfs.MountOpt != "" {
doptions = append(doptions, fmt.Sprintf("%s.mountopt=%s", driverName, options.Zfs.MountOpt))
} else if options.MountOpt != "" {
doptions = append(doptions, fmt.Sprintf("%s.mountopt=%s", driverName, options.MountOpt))
}
if options.Zfs.Size != "" {
doptions = append(doptions, fmt.Sprintf("%s.size=%s", driverName, options.Zfs.Size))
} else if options.Size != "" {
doptions = append(doptions, fmt.Sprintf("%s.size=%s", driverName, options.Size))
}
}
return doptions
}
|
