88 lines
2.1 KiB
Go
88 lines
2.1 KiB
Go
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//go:build linux
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package utils
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import (
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"git.jmbit.de/jmb/patchman/client/common"
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"log"
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"os"
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"os/exec"
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"runtime"
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"strings"
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)
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var OSInfoCache common.OSInfo
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// GetOSInfo() parses /etc/os-release and uname for OS information
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func GetOSInfo() common.OSInfo {
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if OSInfoCache.OS != "" {
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return OSInfoCache
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}
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var distribution string
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var version string
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var distributionLike []string
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var kernelRelease string
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var packageManager string
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data, err := os.ReadFile("/etc/os-release")
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if err != nil {
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log.Fatalf("Could not read /etc/os-release: %w", err)
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}
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lines := strings.Split(string(data), "\n")
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for _, line := range lines {
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if strings.HasPrefix(line, "ID=") {
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// Extract distribution ID
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distribution = strings.Trim(strings.SplitN(line, "=", 2)[1], "\"")
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}
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if strings.HasPrefix(line, "ID_LIKE=") {
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// Extract ID_Like
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distributionLike = strings.Split(strings.Trim(strings.SplitN(line, "=", 2)[1], "\""), " ")
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}
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if strings.HasPrefix(line, "VERSION_ID=") {
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// Extract Version string
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version = strings.Trim(strings.SplitN(line, "=", 2)[1], "\"")
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}
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}
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unameRelease := exec.Command("/usr/bin/uname", "-r")
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unameReleaseOutput, err := unameRelease.Output()
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if err != nil {
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log.Printf("Could not determine Kernel release: %w", err)
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} else {
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kernelRelease = strings.TrimRight(string(unameReleaseOutput), "\n")
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}
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//determine package manager
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packageManager = getPackageManager(distribution, distributionLike)
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return common.OSInfo{
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OS: runtime.GOOS,
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Distribution: distribution,
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DistributionLike: distributionLike,
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Version: version,
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KernelRelease: kernelRelease,
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Architecture: runtime.GOARCH,
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PackageManager: packageManager,
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}
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}
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// getPackageManager determines the Package Manager used by the system.
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// TODO support multiple Package Managers at once.
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func getPackageManager(distribution string, distributionLike []string) string {
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distroLike := append(distributionLike, distribution)
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if IsStringInSlice("debian", distroLike) {
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return "apt"
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}
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if IsStringInSlice("suse", distroLike) {
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return "zypper"
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}
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if IsStringInSlice("fedora", distroLike) {
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return "dnf"
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} else {
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return ""
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}
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}
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