godrbdutils

package module

v0.0.0-...-ec7ed42 Latest Latest Go to latest Published: Oct 2, 2019 License: Apache-2.0 Imports: 10 Imported by: 3

Details

Valid go.mod file

The Go module system was introduced in Go 1.11 and is the official dependency management solution for Go.
Redistributable license

Redistributable licenses place minimal restrictions on how software can be used, modified, and redistributed.
Tagged version

Modules with tagged versions give importers more predictable builds.
Stable version

When a project reaches major version v1 it is considered stable.
Learn more about best practices

Repository

github.com/LINBIT/godrbdutils

Links

Open Source Insights

README ¶

godrbdutils

Golang library for drbdadm/drbdsetup. For now don't expect the API to be stable in any way.

Documentation ¶

Index ¶

func GetNumber(min, max int, used []int) (int, error)
type Action
- func (i Action) String() string
type Cmd
- func (i Cmd) String() string
type DrbdAdm
- func NewDrbdAdm(res []string) *DrbdAdm
type DrbdCmd
- func NewDrbdCmd(cmd Cmd, action Action, res []string, arg ...string) (*DrbdCmd, error)
type Host
type NumberPool
- func NewNumberPool(min, max int, used []int) *NumberPool
- func (n *NumberPool) Get() (int, error)
type Resource
- func NewResource(name string, port int) *Resource

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func GetNumber ¶

func GetNumber(min, max int, used []int) (int, error)

GetNumber is used to return a free number within [min,max], where both are >=0 It can be used to allocate new Port/Minor numbers

Types ¶

type Action ¶

type Action int

const (
	Up Action = iota
	Down
	Adjust
	Attach
	Detach
	Connect
	Disconnect
	Primary
	Secondary
	Create_md
)

func (Action) String ¶

func (i Action) String() string

type Cmd ¶

type Cmd int

const (
	Drbdsetup Cmd = iota
	Drbdadm
)

func (Cmd) String ¶

func (i Cmd) String() string

type DrbdAdm ¶

type DrbdAdm struct {
	// contains filtered or unexported fields
}

func NewDrbdAdm ¶

func NewDrbdAdm(res []string) *DrbdAdm

func (*DrbdAdm) Adjust ¶

func (a *DrbdAdm) Adjust(arg ...string) ([]byte, error)

func (*DrbdAdm) Attach ¶

func (a *DrbdAdm) Attach(arg ...string) ([]byte, error)

func (*DrbdAdm) Connect ¶

func (a *DrbdAdm) Connect(arg ...string) ([]byte, error)

func (*DrbdAdm) CreateMetaData ¶

func (a *DrbdAdm) CreateMetaData(arg ...string) ([]byte, error)

func (*DrbdAdm) Detach ¶

func (a *DrbdAdm) Detach(arg ...string) ([]byte, error)

func (*DrbdAdm) Disconnect ¶

func (a *DrbdAdm) Disconnect(arg ...string) ([]byte, error)

func (*DrbdAdm) Down ¶

func (a *DrbdAdm) Down(arg ...string) ([]byte, error)

func (*DrbdAdm) Primary ¶

func (a *DrbdAdm) Primary(arg ...string) ([]byte, error)

func (*DrbdAdm) Secondary ¶

func (a *DrbdAdm) Secondary(arg ...string) ([]byte, error)

func (*DrbdAdm) SetTimeout ¶

func (a *DrbdAdm) SetTimeout(timeout time.Duration)

func (*DrbdAdm) Up ¶

func (a *DrbdAdm) Up(arg ...string) ([]byte, error)

type DrbdCmd ¶

type DrbdCmd struct {
	// contains filtered or unexported fields
}

func NewDrbdCmd ¶

func NewDrbdCmd(cmd Cmd, action Action, res []string, arg ...string) (*DrbdCmd, error)

func (*DrbdCmd) CombinedOutput ¶

func (c *DrbdCmd) CombinedOutput() ([]byte, error)

func (*DrbdCmd) SetTimeout ¶

func (c *DrbdCmd) SetTimeout(timeout time.Duration)

func (*DrbdCmd) String ¶

func (c *DrbdCmd) String() string

type Host ¶

type Host struct {
	ID   int    `yaml:"Node-ID,omitempty"`
	Name string `yaml:"Hostname,omitempty"`
	IP   string `yaml:"IP,omitempty"`
	// contains filtered or unexported fields
}

type NumberPool ¶

type NumberPool struct {
	sync.Mutex
	// contains filtered or unexported fields
}

NumberPool is used as a stateful type to keep track of used numbers

func NewNumberPool ¶

func NewNumberPool(min, max int, used []int) *NumberPool

NewNumberPool is used to allacte a new number pool

func (*NumberPool) Get ¶

func (n *NumberPool) Get() (int, error)

Get is used to get a free number

type Resource ¶

type Resource struct {
	sync.Mutex
	// contains filtered or unexported fields
}

Resource is a DRBD resource

func NewResource ¶

func NewResource(name string, port int) *Resource

NewResource returns a new DRBD resource object

func (*Resource) AddHost ¶

func (r *Resource) AddHost(id int, hostname, ip string) error

AddHost adds a host information to a resource

func (*Resource) AddVolume ¶

func (r *Resource) AddVolume(id, minor int, backingDevice, hostname string) error

AddVolume adds DRBD volume information to a resource

func (*Resource) WriteConfig ¶

func (r *Resource) WriteConfig(filename string) error

WriteConfig writes the configuration of a DRBD resource to file parsable by drbd-utils It is up to the user to check for errors and to check if the file is valid (and to remove it if it isn't).

Source Files ¶

View all Source files

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL