1903556198
This brings in the support for: - RHEL-8.10 - RHEL-9.4 - ppc64le and s390x on Fedora (qcow2, container) Signed-off-by: Tomáš Hozza <thozza@redhat.com>
78 lines
1.8 KiB
Go
78 lines
1.8 KiB
Go
package common
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import (
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"bufio"
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"errors"
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"io"
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"os"
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"strings"
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"github.com/hashicorp/go-version"
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)
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func GetHostDistroName() (string, bool, bool, error) {
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f, err := os.Open("/etc/os-release")
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if err != nil {
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return "", false, false, err
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}
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defer f.Close()
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osrelease, err := readOSRelease(f)
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if err != nil {
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return "", false, false, err
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}
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isStream := osrelease["NAME"] == "CentOS Stream"
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version := strings.Split(osrelease["VERSION_ID"], ".")
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name := osrelease["ID"] + "-" + strings.Join(version, "")
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// TODO: We should probably index these things by the full CPE
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beta := strings.Contains(osrelease["CPE_NAME"], "beta")
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return name, beta, isStream, nil
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}
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func readOSRelease(r io.Reader) (map[string]string, error) {
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osrelease := make(map[string]string)
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scanner := bufio.NewScanner(r)
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for scanner.Scan() {
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line := strings.TrimSpace(scanner.Text())
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if len(line) == 0 {
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continue
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}
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parts := strings.SplitN(line, "=", 2)
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if len(parts) != 2 {
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return nil, errors.New("readOSRelease: invalid input")
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}
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key := strings.TrimSpace(parts[0])
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// drop all surrounding whitespace and double-quotes
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value := strings.Trim(strings.TrimSpace(parts[1]), "\"")
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osrelease[key] = value
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}
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return osrelease, nil
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}
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// Returns true if the version represented by the first argument is
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// semantically older than the second.
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//
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// Meant to be used for comparing distro versions for differences between minor
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// releases.
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//
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// Provided version strings are of any characters which are not
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// digits or periods, and then split on periods.
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// Assumes any missing components are 0, so 8 < 8.1.
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// Evaluates to false if a and b are equal.
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func VersionLessThan(a, b string) bool {
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aV, err := version.NewVersion(a)
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if err != nil {
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panic(err)
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}
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bV, err := version.NewVersion(b)
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if err != nil {
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panic(err)
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}
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return aV.LessThan(bV)
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}
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