// https://github.com/serverspec/specinfra/blob/master/lib/specinfra/helper/detect_os/redhat.rb
func detectRedhat(c config.ServerInfo) (itsMe bool, red osTypeInterface) {
red = newRedhat(c)
// set sudo option flag
c.SudoOpt = config.SudoOption{ExecBySudo: true}
red.setServerInfo(c)
if r := sshExec(c, "ls /etc/fedora-release", noSudo); r.isSuccess() {
red.setDistributionInfo("fedora", "unknown")
Log.Warn("Fedora not tested yet. Host: %s:%s", c.Host, c.Port)
return true, red
}
if r := sshExec(c, "ls /etc/redhat-release", noSudo); r.isSuccess() {
// https://www.rackaid.com/blog/how-to-determine-centos-or-red-hat-version/
// e.g.
// $ cat /etc/redhat-release
// CentOS release 6.5 (Final)
if r := sshExec(c, "cat /etc/redhat-release", noSudo); r.isSuccess() {
re, _ := regexp.Compile(`(.*) release (\d[\d.]*)`)
result := re.FindStringSubmatch(strings.TrimSpace(r.Stdout))
if len(result) != 3 {
Log.Warn(
"Failed to parse RedHat/CentOS version. stdout: %s, Host: %s:%s",
r.Stdout, c.Host, c.Port)
return true, red
}
release := result[2]
switch strings.ToLower(result[1]) {
case "centos", "centos linux":
red.setDistributionInfo("centos", release)
default:
red.setDistributionInfo("rhel", release)
}
return true, red
}
return true, red
}
if r := sshExec(c, "ls /etc/system-release", noSudo); r.isSuccess() {
family := "amazon"
release := "unknown"
if r := sshExec(c, "cat /etc/system-release", noSudo); r.isSuccess() {
fields := strings.Fields(r.Stdout)
if len(fields) == 5 {
release = fields[4]
}
}
red.setDistributionInfo(family, release)
return true, red
}
Log.Debugf("Not RedHat like Linux. Host: %s:%s", c.Host, c.Port)
return false, red
}
// Ubuntu, Debian
// https://github.com/serverspec/specinfra/blob/master/lib/specinfra/helper/detect_os/debian.rb
func detectDebian(c config.ServerInfo) (itsMe bool, deb osTypeInterface, err error) {
deb = newDebian(c)
// set sudo option flag
c.SudoOpt = config.SudoOption{ExecBySudo: true}
deb.setServerInfo(c)
if r := sshExec(c, "ls /etc/debian_version", noSudo); !r.isSuccess() {
if r.ExitStatus == 255 {
return false, deb, fmt.Errorf(
"Unable to connect via SSH. Check SSH settings. servername: %s, %s@%s:%s, status: %d, stdout: %s, stderr: %s",
c.ServerName, c.User, c.Host, c.Port, r.ExitStatus, r.Stdout, r.Stderr,
)
}
Log.Debugf("Not Debian like Linux. Host: %s:%s", c.Host, c.Port)
return false, deb, nil
}
if r := sshExec(c, "lsb_release -ir", noSudo); r.isSuccess() {
// e.g.
// root@fa3ec524be43:/# lsb_release -ir
// Distributor ID: Ubuntu
// Release: 14.04
re, _ := regexp.Compile(
`(?s)^Distributor ID:\s*(.+?)\n*Release:\s*(.+?)$`)
result := re.FindStringSubmatch(trim(r.Stdout))
if len(result) == 0 {
deb.setDistributionInfo("debian/ubuntu", "unknown")
Log.Warnf(
"Unknown Debian/Ubuntu version. lsb_release -ir: %s, Host: %s:%s",
r.Stdout, c.Host, c.Port)
} else {
distro := strings.ToLower(trim(result[1]))
deb.setDistributionInfo(distro, trim(result[2]))
}
return true, deb, nil
}
if r := sshExec(c, "cat /etc/lsb-release", noSudo); r.isSuccess() {
// e.g.
// DISTRIB_ID=Ubuntu
// DISTRIB_RELEASE=14.04
// DISTRIB_CODENAME=trusty
// DISTRIB_DESCRIPTION="Ubuntu 14.04.2 LTS"
re, _ := regexp.Compile(
`(?s)^DISTRIB_ID=(.+?)\n*DISTRIB_RELEASE=(.+?)\n.*$`)
result := re.FindStringSubmatch(trim(r.Stdout))
if len(result) == 0 {
Log.Warnf(
"Unknown Debian/Ubuntu. cat /etc/lsb-release: %s, Host: %s:%s",
r.Stdout, c.Host, c.Port)
deb.setDistributionInfo("debian/ubuntu", "unknown")
} else {
distro := strings.ToLower(trim(result[1]))
deb.setDistributionInfo(distro, trim(result[2]))
}
return true, deb, nil
}
// Debian
cmd := "cat /etc/debian_version"
if r := sshExec(c, cmd, noSudo); r.isSuccess() {
deb.setDistributionInfo("debian", trim(r.Stdout))
return true, deb, nil
}
Log.Debugf("Not Debian like Linux. Host: %s:%s", c.Host, c.Port)
return false, deb, nil
}