commands

package
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Published: Aug 10, 2015 License: LGPL-3.0 Imports: 3 Imported by: 0

Documentation

Overview

Package commands contains an interface which returns common package-manager related commands and the reference implementation for apt and yum-based systems.

Index

Constants

View Source
const (
	// CentOSSourcesDir is the default directory in which yum sourcefiles
	// may be found.
	CentOSSourcesDir = "/etc/yum/repos.d"

	// CentOSYumKeyfileDir is the default directory for yum repository keys.
	CentOSYumKeyfileDir = "/etc/pki/rpm-gpg/"

	// CentOSSourcesFile is the default file which lists all core sources
	// for yum packages on CentOS.
	CentOSSourcesFile = "/etc/yum/repos.d/CentOS-Base.repo"

	// YumConfigFile is the default configuration file for yum settings.
	YumConfigFilePath = "/etc/yum.conf"
)
View Source
const (
	// AptConfFilePath is the full file path for the proxy settings that are
	// written by cloud-init and the machine environ worker.
	AptConfFilePath = "/etc/apt/apt.conf.d/42-juju-proxy-settings"
)

Variables

This section is empty.

Functions

This section is empty.

Types

type PackageCommander

type PackageCommander interface {
	// InstallPrerequisiteCmd returns the command that installs the
	// prerequisite package for repository-handling operations.
	InstallPrerequisiteCmd() string

	// UpdateCmd returns the command to update the local package list.
	UpdateCmd() string

	// UpgradeCmd returns the command which issues an upgrade on all packages
	// with available newer versions.
	UpgradeCmd() string

	// InstallCmd returns a *single* command that installs the given package(s).
	InstallCmd(...string) string

	// RemoveCmd returns a *single* command that removes the given package(s).
	RemoveCmd(...string) string

	// PurgeCmd returns the command that removes the given package(s) along
	// with any associated config files.
	PurgeCmd(...string) string

	// IsInstalledCmd returns the command which determines whether or not a
	// package is currently installed on the system.
	IsInstalledCmd(string) string

	// SearchCmd returns the command that determines whether the given package is
	// available for installation from the currently configured repositories.
	SearchCmd(string) string

	// ListAvailableCmd returns the command which will list all packages
	// available for installation from the currently configured repositories.
	// NOTE: includes already installed packages.
	ListAvailableCmd() string

	// ListInstalledCmd returns the command which will list all
	// packages currently installed on the system.
	ListInstalledCmd() string

	// ListRepositoriesCmd returns the command that lists all repositories
	// currently configured on the system.
	// NOTE: requires the prerequisite package whose installation command
	// is given by InstallPrerequisiteCmd().
	ListRepositoriesCmd() string

	// AddRepositoryCmd returns the command that adds a repository to the
	// list of available repositories.
	// NOTE: requires the prerequisite package whose installation command
	// is given by InstallPrerequisiteCmd().
	AddRepositoryCmd(string) string

	// RemoveRepositoryCmd returns the command that removes a given
	// repository from the list of available repositories.
	// NOTE: requires the prerequisite package whose installation command
	// is given by InstallPrerequisiteCmd().
	RemoveRepositoryCmd(string) string

	// CleanupCmd returns the command that cleans up all orphaned packages,
	// left-over files and previously-cached packages.
	CleanupCmd() string

	// GetProxyCmd returns the command which outputs the proxies set for the
	// given package management system.
	// NOTE: output may require some additional filtering.
	GetProxyCmd() string

	// ProxyConfigContents returns the format expected by the package manager
	// for proxy settings which can be written directly to the config file.
	ProxyConfigContents(proxy.Settings) string

	// SetProxyCmds returns the commands which write the proxy configuration
	// to the configuration file of the package manager.
	SetProxyCmds(proxy.Settings) []string
}

PackageCommander is the interface which provides runnable shell commands for various packaging-related operations.

func NewAptPackageCommander

func NewAptPackageCommander() PackageCommander

NewAptPackageCommander returns a PackageCommander for apt-based systems.

func NewPackageCommander

func NewPackageCommander(series string) (PackageCommander, error)

NewPackageCommander returns a new PackageCommander instance based on the given series.

func NewYumPackageCommander

func NewYumPackageCommander() PackageCommander

NewYumPackageCommander returns a PackageCommander for yum-based systems.

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