139 lines
4.0 KiB
Go
139 lines
4.0 KiB
Go
// Mgmt
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// Copyright (C) 2013-2024+ James Shubin and the project contributors
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// Written by James Shubin <james@shubin.ca> and the project contributors
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//
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// Additional permission under GNU GPL version 3 section 7
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//
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// If you modify this program, or any covered work, by linking or combining it
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// with embedded mcl code and modules (and that the embedded mcl code and
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// modules which link with this program, contain a copy of their source code in
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// the authoritative form) containing parts covered by the terms of any other
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// license, the licensors of this program grant you additional permission to
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// convey the resulting work. Furthermore, the licensors of this program grant
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// the original author, James Shubin, additional permission to update this
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// additional permission if he deems it necessary to achieve the goals of this
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// additional permission.
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// Package distro is for utilities that deal with os/distro things. Best to keep
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// these all in one place so that adding this data happens all in the same file.
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package distro
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import (
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"context"
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"os"
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)
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const (
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// FamilyRedHat represents distros like Fedora and RHEL.
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FamilyRedHat = "redhat"
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// FamilyDebian represents distros like Debian and Ubuntu.
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FamilyDebian = "debian"
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// FamilyArchLinux represents primarily ArchLinux.
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FamilyArchLinux = "archlinux"
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// DistroDebian is the Debian distro.
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DistroDebian = "debian"
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// DistroFedora is the Fedora distro.
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DistroFedora = "fedora"
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)
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var (
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// MapDistroToBootstrapPackages is a map of distro to packages needed to
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// run our software.
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MapDistroToBootstrapPackages = map[string][]string{
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// TODO: add more values
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DistroDebian: {
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"libaugeas-dev",
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"libvirt-dev",
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"packagekit-tools",
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},
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DistroFedora: {
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"augeas-devel",
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"libvirt-devel",
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"PackageKit",
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},
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}
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)
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// DistroToBootstrapPackages returns the list of packages corresponding to the
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// distro for bootstrapping. This returns false if the value doesn't exist.
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func DistroToBootstrapPackages(distro string) ([]string, bool) {
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l, exists := MapDistroToBootstrapPackages[distro]
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return l, exists
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}
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// Family returns the distro family.
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func Family(ctx context.Context) (string, error) {
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if b, err := IsFamilyRedHat(ctx); err != nil {
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return "", err
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} else if b {
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return FamilyRedHat, nil
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}
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if b, err := IsFamilyDebian(ctx); err != nil {
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return "", err
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} else if b {
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return FamilyDebian, nil
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}
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if b, err := IsFamilyArchLinux(ctx); err != nil {
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return "", err
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} else if b {
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return FamilyArchLinux, nil
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}
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return "", nil // unknown
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}
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// IsFamilyRedHat detects if the os family is redhat.
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func IsFamilyRedHat(ctx context.Context) (bool, error) {
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// TODO: use ctx around io operations
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_, err := os.Stat("/etc/redhat-release")
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if os.IsNotExist(err) {
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return false, nil
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}
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if err != nil {
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return false, err
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}
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return true, nil
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}
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// IsFamilyDebian detects if the os family is debian.
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func IsFamilyDebian(ctx context.Context) (bool, error) {
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// TODO: use ctx around io operations
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_, err := os.Stat("/etc/debian_version")
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if os.IsNotExist(err) {
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return false, nil
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}
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if err != nil {
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return false, err
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}
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return true, nil
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}
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// IsFamilyArchLinux detects if the os family is archlinux.
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func IsFamilyArchLinux(ctx context.Context) (bool, error) {
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// TODO: use ctx around io operations
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_, err := os.Stat("/etc/arch-release")
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if os.IsNotExist(err) {
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return false, nil
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}
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if err != nil {
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return false, err
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}
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return true, nil
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}
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