util

package
v0.24.0 Latest Latest
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Published: Apr 6, 2018 License: Apache-2.0 Imports: 25 Imported by: 0

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Constants

View Source
const (
	DefaultDirectoryPermissions os.FileMode = 0755
	DefaultFilePermissions      os.FileMode = 0644
)
View Source
const (
	DefaultPresetPermissions os.FileMode = 0644
)

Variables

This section is empty.

Functions

func CreateDeviceAlias added in v0.10.1

func CreateDeviceAlias(path string) (string, error)

CreateDeviceAlias creates a device alias for the supplied path. On success the canonicalized path used as the alias target is returned.

func DeviceAlias added in v0.10.1

func DeviceAlias(path string) string

DeviceAlias returns the aliased form of the supplied path. Note device paths in ignition are always absolute.

func FilesystemLabel added in v0.15.0

func FilesystemLabel(device string) (string, error)

func FilesystemType added in v0.15.0

func FilesystemType(device string) (string, error)

func FilesystemUUID added in v0.15.0

func FilesystemUUID(device string) (string, error)

func MkdirForFile added in v0.13.0

func MkdirForFile(path string) error

MkdirForFile helper creates the directory components of path.

func NetworkdDropinsPath added in v0.21.0

func NetworkdDropinsPath(unitName string) string

func NetworkdUnitsPath

func NetworkdUnitsPath() string

func SystemdDropinsPath

func SystemdDropinsPath(unitName string) string

func SystemdUnitsPath

func SystemdUnitsPath() string

Types

type FetchOp added in v0.17.0

type FetchOp struct {
	Hash         hash.Hash
	Path         string
	Url          url.URL
	Mode         *int
	FetchOptions resource.FetchOptions
	Overwrite    *bool
	Append       bool
	Node         types.Node
}

func FileFromNetworkdUnit

func FileFromNetworkdUnit(unit types.Networkdunit) (*FetchOp, error)

func FileFromNetworkdUnitDropin added in v0.21.0

func FileFromNetworkdUnitDropin(unit types.Networkdunit, dropin types.NetworkdDropin) (*FetchOp, error)

func FileFromSystemdUnit

func FileFromSystemdUnit(unit types.Unit) (*FetchOp, error)

func FileFromSystemdUnitDropin added in v0.21.0

func FileFromSystemdUnitDropin(unit types.Unit, dropin types.SystemdDropin) (*FetchOp, error)

type Util

type Util struct {
	DestDir string // directory prefix to use in applying fs paths.
	Fetcher resource.Fetcher
	*log.Logger
}

Util encapsulates logging and destdir indirection for the util methods.

func (Util) AuthorizeSSHKeys

func (u Util) AuthorizeSSHKeys(c types.PasswdUser) error

Add the provided SSH public keys to the user's authorized keys.

func (Util) CheckIfUserExists added in v0.15.0

func (u Util) CheckIfUserExists(c types.PasswdUser) (bool, error)

func (Util) CreateGroup

func (u Util) CreateGroup(g types.PasswdGroup) error

CreateGroup creates the group as described.

func (Util) DeletePathOnOverwrite added in v0.21.0

func (u Util) DeletePathOnOverwrite(n types.Node) error

func (Util) DisableUnit added in v0.17.0

func (u Util) DisableUnit(unit types.Unit) error

func (Util) EnableUnit

func (u Util) EnableUnit(unit types.Unit) error

func (Util) EnsureUser added in v0.15.0

func (u Util) EnsureUser(c types.PasswdUser) error

EnsureUser ensures that the user exists as described. If the user does not yet exist, they will be created, otherwise the existing user will be modified.

func (Util) JoinPath

func (u Util) JoinPath(path ...string) string

JoinPath returns a path into the context ala filepath.Join(d, args)

func (Util) MaskUnit

func (u Util) MaskUnit(unit types.Unit) error

func (Util) PerformFetch added in v0.17.0

func (u Util) PerformFetch(f *FetchOp) error

PerformFetch performs a fetch operation generated by PrepareFetch, retrieving the file and writing it to disk. Any encountered errors are returned.

func (Util) PrepareFetch added in v0.17.0

func (u Util) PrepareFetch(l *log.Logger, f types.File) *FetchOp

PrepareFetch converts a given logger, http client, and types.File into a FetchOp. This includes operations such as parsing the source URL, generating a hasher, and performing user/group name lookups. If an error is encountered, the issue will be logged and nil will be returned.

func (Util) ResolveNodeUidAndGid added in v0.21.0

func (u Util) ResolveNodeUidAndGid(n types.Node, defaultUid, defaultGid int) (int, int, error)

ResolveNodeUidAndGid attempts to convert a types.Node into a concrete uid and gid. If the node has the User.ID field set, that's used for the uid. If the node has the User.Name field set, a username -> uid lookup is performed. If neither are set, it returns the passed in defaultUid. The logic is identical for gids with equivalent fields.

func (Util) SetPasswordHash

func (u Util) SetPasswordHash(c types.PasswdUser) error

SetPasswordHash sets the password hash of the specified user.

func (u Util) WriteLink(s types.Link) error

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