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// Copyright 2015 Canonical Ltd.
// Copyright 2015 Cloudbase Solutions SRL
// Licensed under the LGPLv3, see LICENCE file for details.
// The config package defines an interface which returns packaging-related
// configuration options and operations depending on the desired
// package-management system.
package config
import (
"github.com/juju/utils/packaging"
)
// PackagingConfigurer is an interface which handles various packaging-related configuration
// functions for the specific distribution it represents.
type PackagingConfigurer interface {
// DefaultPackages returns a list of default packages whcih should be
// installed the vast majority of cases on any specific machine
DefaultPackages() []string
// GetPackageNameForSeries returns the equivalent package name of the
// specified package for the given series or an error if no mapping
// for it exists.
GetPackageNameForSeries(pack string, series string) (string, error)
// IsCloudArchivePackage signals whether the given package is a
// cloud archive package and thus should be set as such.
IsCloudArchivePackage(pack string) bool
// ApplyCloudArchiveTarget returns the package with the required target
// release bits preceding it.
ApplyCloudArchiveTarget(pack string) []string
// RenderSource returns the os-specific full file contents
// of a given PackageSource.
RenderSource(src packaging.PackageSource) (string, error)
// RenderPreferences returns the os-specific full file contents of a given
// set of PackagePreferences.
RenderPreferences(prefs packaging.PackagePreferences) (string, error)
}
func NewPackagingConfigurer(series string) (PackagingConfigurer, error) {
switch series {
// TODO (aznashwan): find a more deterministic way of selection here
// without importing version from core.
case "centos7":
return NewYumPackagingConfigurer(series), nil
case "opensuseleap":
return NewZypperPackagingConfigurer(series), nil
default:
return NewAptPackagingConfigurer(series), nil
}
}
// NewAptPackagingConfigurer returns a PackagingConfigurer for apt-based systems.
func NewAptPackagingConfigurer(series string) PackagingConfigurer {
return &aptConfigurer{&baseConfigurer{
series: series,
defaultPackages: UbuntuDefaultPackages,
cloudArchivePackages: cloudArchivePackagesUbuntu,
}}
}
// NewYumPackagingConfigurer returns a PackagingConfigurer for yum-based systems.
func NewYumPackagingConfigurer(series string) PackagingConfigurer {
return &yumConfigurer{&baseConfigurer{
series: series,
defaultPackages: CentOSDefaultPackages,
cloudArchivePackages: cloudArchivePackagesCentOS,
}}
}
func NewZypperPackagingConfigurer(series string) PackagingConfigurer {
return &zypperConfigurer{&baseConfigurer{
series: series,
defaultPackages: OpenSUSEDefaultPackages,
cloudArchivePackages: cloudArchivePackagesOpenSUSE,
}}
}
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