config

type AufsOptionsConfig struct {
	// MountOpt specifies extra mount options used when mounting
	MountOpt string `toml:"mountopt"`
}

type BtrfsOptionsConfig struct {
	// MinSpace is the minimal spaces allocated to the device
	MinSpace string `toml:"min_space"`
	// Size
	Size string `toml:"size"`
}

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"`

	// Size
	Size string `toml:"size"`

	// RemapUIDs is a list of default UID mappings to use for layers.
	RemapUIDs string `toml:"remap-uids"`
	// RemapGIDs is a list of default GID mappings to use for layers.
	RemapGIDs string `toml:"remap-gids"`
	// IgnoreChownErrors is a flag for whether chown errors should be
	// ignored when building an image.
	IgnoreChownErrors string `toml:"ignore_chown_errors"`

	// ForceMask indicates the permissions mask (e.g. "0755") to use for new
	// files and directories.
	ForceMask os.FileMode `toml:"force_mask"`

	// RemapUser is the name of one or more entries in /etc/subuid which
	// should be used to set up default UID mappings.
	RemapUser string `toml:"remap-user"`
	// RemapGroup is the name of one or more entries in /etc/subgid which
	// should be used to set up default GID mappings.
	RemapGroup string `toml:"remap-group"`

	// 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"`

	// AutoUsernsMinSize is the minimum size for a user namespace that is
	// created automatically.
	AutoUsernsMinSize uint32 `toml:"auto-userns-min-size"`

	// AutoUsernsMaxSize is the maximum size for a user namespace that is
	// created automatically.
	AutoUsernsMaxSize uint32 `toml:"auto-userns-max-size"`

	// Aufs container options to be handed to aufs drivers
	Aufs struct{ AufsOptionsConfig } `toml:"aufs"`

	// Btrfs container options to be handed to btrfs drivers
	Btrfs struct{ BtrfsOptionsConfig } `toml:"btrfs"`

	// Thinpool container options to be handed to thinpool drivers
	Thinpool struct{ ThinpoolOptionsConfig } `toml:"thinpool"`

	// Overlay container options to be handed to overlay drivers
	Overlay struct{ OverlayOptionsConfig } `toml:"overlay"`

	// Vfs container options to be handed to VFS drivers
	Vfs struct{ VfsOptionsConfig } `toml:"vfs"`

	// Zfs container options to be handed to ZFS drivers
	Zfs struct{ ZfsOptionsConfig } `toml:"zfs"`

	// Do not create a bind mount on the storage home
	SkipMountHome string `toml:"skip_mount_home"`

	// Alternative program to use for the mount of the file system
	MountProgram string `toml:"mount_program"`

	// MountOpt specifies extra mount options used when mounting
	MountOpt string `toml:"mountopt"`
}

type OverlayOptionsConfig struct {
	// IgnoreChownErrors is a flag for whether chown errors should be
	// ignored when building an image.
	IgnoreChownErrors string `toml:"ignore_chown_errors"`
	// MountOpt specifies extra mount options used when mounting
	MountOpt string `toml:"mountopt"`
	// Alternative program to use for the mount of the file system
	MountProgram string `toml:"mount_program"`
	// Size
	Size string `toml:"size"`
	// Do not create a bind mount on the storage home
	SkipMountHome string `toml:"skip_mount_home"`
	// ForceMask indicates the permissions mask (e.g. "0755") to use for new
	// files and directories
	ForceMask string `toml:"force_mask"`
}

type ThinpoolOptionsConfig struct {
	// AutoExtendPercent determines the amount by which pool needs to be
	// grown. This is specified in terms of % of pool size. So a value of
	// 20 means that when threshold is hit, pool will be grown by 20% of
	// existing pool size.
	AutoExtendPercent string `toml:"autoextend_percent"`

	// AutoExtendThreshold determines the pool extension threshold in terms
	// of percentage of pool size. For example, if threshold is 60, that
	// means when pool is 60% full, threshold has been hit.
	AutoExtendThreshold string `toml:"autoextend_threshold"`

	// BaseSize specifies the size to use when creating the base device,
	// which limits the size of images and containers.
	BaseSize string `toml:"basesize"`

	// BlockSize specifies a custom blocksize to use for the thin pool.
	BlockSize string `toml:"blocksize"`

	// DirectLvmDevice specifies a custom block storage device to use for
	// the thin pool.
	DirectLvmDevice string `toml:"directlvm_device"`

	// DirectLvmDeviceForcewipes device even if device already has a
	// filesystem
	DirectLvmDeviceForce string `toml:"directlvm_device_force"`

	// Fs specifies the filesystem type to use for the base device.
	Fs string `toml:"fs"`

	// log_level sets the log level of devicemapper.
	LogLevel string `toml:"log_level"`

	// MetadataSize specifies the size of the metadata for the thinpool
	// It will be used with the `pvcreate --metadata` option.
	MetadataSize string `toml:"metadatasize"`

	// MinFreeSpace specifies the min free space percent in a thin pool
	// require for new device creation to
	MinFreeSpace string `toml:"min_free_space"`

	// MkfsArg specifies extra mkfs arguments to be used when creating the
	// basedevice.
	MkfsArg string `toml:"mkfsarg"`

	// MountOpt specifies extra mount options used when mounting the thin
	// devices.
	MountOpt string `toml:"mountopt"`

	// Size
	Size string `toml:"size"`

	// UseDeferredDeletion marks device for deferred deletion
	UseDeferredDeletion string `toml:"use_deferred_deletion"`

	// UseDeferredRemoval marks device for deferred removal
	UseDeferredRemoval string `toml:"use_deferred_removal"`

	// XfsNoSpaceMaxRetriesFreeSpace specifies the maximum number of
	// retries XFS should attempt to complete IO when ENOSPC (no space)
	// error is returned by underlying storage device.
	XfsNoSpaceMaxRetries string `toml:"xfs_nospace_max_retries"`
}

type VfsOptionsConfig struct {
	// IgnoreChownErrors is a flag for whether chown errors should be
	// ignored when building an image.
	IgnoreChownErrors string `toml:"ignore_chown_errors"`
}

type ZfsOptionsConfig struct {
	// MountOpt specifies extra mount options used when mounting
	MountOpt string `toml:"mountopt"`
	// Name is the File System name of the ZFS File system
	Name string `toml:"fsname"`
	// Size
	Size string `toml:"size"`
}