hostsstore

Documentation

Overview

Package hostsstore provides the interface for /var/lib/nerdctl/<ADDRHASH>/etchosts . Prioritize simplicity over scalability.

Index

• func AllocHostsFile(dataStore, ns, id string) (string, error)
• func DeallocHostsFile(dataStore, ns, id string) error
• func HostsPath(dataStore, ns, id string) string
• func ParseHosts(hostsFileContent []byte, err error) (map[string][]string, error)
• type Meta
• type Store
  • func NewStore(dataStore string) (Store, error)

Functions

func AllocHostsFile

func AllocHostsFile(dataStore, ns, id string) (string, error)

AllocHostsFile is used for creating mount-bindable /etc/hosts file. The file is initialized with no content.

func DeallocHostsFile

func DeallocHostsFile(dataStore, ns, id string) error

func HostsPath

func HostsPath(dataStore, ns, id string) string

HostsPath returns "/var/lib/nerdctl/<ADDRHASH>/etchosts/<NS>/<ID>/hosts"

func ParseHosts

func ParseHosts(hostsFileContent []byte, err error) (map[string][]string, error)

ParseHosts takes in hosts file content and returns a map of parsed results. Copy from https://github.com/jaytaylor/go-hostsfile/blob/59e7508e09b9e08c57183ae15eabf1b757328ebf/hosts.go#L18

Types

type Meta

type Meta struct {
	Namespace  string
	ID         string
	Networks   map[string]*types100.Result
	Hostname   string
	ExtraHosts map[string]string // host:ip
	Name       string
}

type Store

type Store interface {
	Acquire(Meta) error
	Release(ns, id string) error
	Update(ns, id, newName string) error
}

func NewStore

func NewStore(dataStore string) (Store, error)