// For some distros, we don't want to use the full version from VERSION_ID. One example is
// Red Hat Enterprise Linux, which includes a minor version in their VERSION_ID but minor
// versions are backwards compatable.
//
// In this case, we'll normalized RIDs like 'rhel.7.2' and 'rhel.7.3' to a generic
// 'rhel.7'. This brings RHEL in line with other distros like CentOS or Debian which
// don't put minor version numbers in their VERSION_ID fields because all minor versions
// are backwards compatible.
private static DistroInfo NormalizeDistroInfo(DistroInfo distroInfo)
{
// Handle if VersionId is null by just setting the index to -1.
int lastVersionNumberSeparatorIndex = distroInfo.VersionId?.IndexOf('.') ?? -1;
if (lastVersionNumberSeparatorIndex != -1 && distroInfo.Id == "alpine")
{
// For Alpine, the version reported has three components, so we need to find the second version separator
lastVersionNumberSeparatorIndex = distroInfo.VersionId.IndexOf('.', lastVersionNumberSeparatorIndex + 1);
}
if (lastVersionNumberSeparatorIndex != -1 && (distroInfo.Id == "rhel" || distroInfo.Id == "alpine"))
{
distroInfo.VersionId = distroInfo.VersionId.Substring(0, lastVersionNumberSeparatorIndex);
}
// In some distros/versions we cannot discover the distro version; return something valid.
// Pick a high version number, since this seems to happen on newer distros.
if (string.IsNullOrEmpty(distroInfo.VersionId))
{
distroInfo.VersionId = new Version(Int32.MaxValue, Int32.MaxValue).ToString();
}
return(distroInfo);
}
private static DistroInfo LoadDistroInfo()
{
// Sample os-release file:
// NAME="Ubuntu"
// VERSION = "14.04.3 LTS, Trusty Tahr"
// ID = ubuntu
// ID_LIKE = debian
// PRETTY_NAME = "Ubuntu 14.04.3 LTS"
// VERSION_ID = "14.04"
// HOME_URL = "http://www.ubuntu.com/"
// SUPPORT_URL = "http://help.ubuntu.com/"
// BUG_REPORT_URL = "http://bugs.launchpad.net/ubuntu/"
// We use ID and VERSION_ID
if (File.Exists("/etc/os-release"))
{
var lines = File.ReadAllLines("/etc/os-release");
var result = new DistroInfo();
foreach (var line in lines)
{
if (line.StartsWith("ID=", StringComparison.Ordinal))
{
result.Id = line.Substring(3).Trim('"', '\'');
}
else if (line.StartsWith("VERSION_ID=", StringComparison.Ordinal))
{
result.VersionId = line.Substring(11).Trim('"', '\'');
}
}
return(result);
}
return(null);
}
private static DistroInfo LoadDistroInfoFromIllumos()
{
DistroInfo result = null;
// examples:
// on OmniOS
// SunOS 5.11 omnios-r151018-95eaa7e
// on OpenIndiana Hipster:
// SunOS 5.11 illumos-63878f749f
// on SmartOS:
// SunOS 5.11 joyent_20200408T231825Z
var versionDescription = RuntimeInformation.OSDescription.Split(' ')[2];
switch (versionDescription)
{
case string version when version.StartsWith("omnios"):
result.Id = "OmniOS";
result.VersionId = version.Substring("omnios-r".Length, 2); // e.g. 15
break;
case string version when version.StartsWith("joyent"):
result.Id = "SmartOS";
result.VersionId = version.Substring("joyent_".Length, 4); // e.g. 2020
break;
case string version when version.StartsWith("illumos"):
result.Id = "OpenIndiana";
// version-less
break;
}
return(result);
}
private static DistroInfo GetDistroInfo()
{
DistroInfo result = new DistroInfo();
if (IsFreeBSD)
{
result.Id = "FreeBSD";
// example:
// FreeBSD 11.0-RELEASE-p1 FreeBSD 11.0-RELEASE-p1 #0 r306420: Thu Sep 29 01:43:23 UTC 2016 [email protected]:/usr/obj/usr/src/sys/GENERIC
// What we want is major release as minor releases should be compatible.
result.VersionId = ToVersion(RuntimeInformation.OSDescription.Split()[1].Split('.')[0]);
}
else if (File.Exists("/etc/os-release"))
{
foreach (string line in File.ReadAllLines("/etc/os-release"))
{
if (line.StartsWith("ID=", StringComparison.Ordinal))
{
result.Id = line.Substring(3).Trim('"', '\'');
}
else if (line.StartsWith("VERSION_ID=", StringComparison.Ordinal))
{
result.VersionId = ToVersion(line.Substring(11).Trim('"', '\''));
}
}
}
result.Id ??= "Linux";
result.VersionId ??= ToVersion(string.Empty);
return(result);
}
private static DistroInfo LoadDistroInfo()
{
DistroInfo result = null;
// Sample os-release file:
// NAME="Ubuntu"
// VERSION = "14.04.3 LTS, Trusty Tahr"
// ID = ubuntu
// ID_LIKE = debian
// PRETTY_NAME = "Ubuntu 14.04.3 LTS"
// VERSION_ID = "14.04"
// HOME_URL = "http://www.ubuntu.com/"
// SUPPORT_URL = "http://help.ubuntu.com/"
// BUG_REPORT_URL = "http://bugs.launchpad.net/ubuntu/"
// We use ID and VERSION_ID
if (File.Exists("/etc/os-release"))
{
var lines = File.ReadAllLines("/etc/os-release");
result = new DistroInfo();
foreach (var line in lines)
{
if (line.StartsWith("ID=", StringComparison.Ordinal))
{
result.Id = line.Substring(3).Trim('"', '\'');
}
else if (line.StartsWith("VERSION_ID=", StringComparison.Ordinal))
{
result.VersionId = line.Substring(11).Trim('"', '\'');
}
}
}
else if (File.Exists("/etc/redhat-release"))
{
var lines = File.ReadAllLines("/etc/redhat-release");
if (lines.Length >= 1)
{
string line = lines[0];
if (line.StartsWith("Red Hat Enterprise Linux Server release 6.") ||
line.StartsWith("CentOS release 6."))
{
result = new DistroInfo();
result.Id = "rhel";
result.VersionId = "6";
}
}
}
// possibly should fall back to /usr/lib/os-release here
if (result != null)
{
result = NormalizeDistroInfo(result);
}
return(result);
}
public static string GetDistroVersionString()
{
if (!RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
return("");
}
DistroInfo v = ParseOsReleaseFile();
return("Distro=" + v.Id + " VersionId=" + v.VersionId + " Pretty=" + v.PrettyName + " Version=" + v.Version);
}
public static string GetDistroVersionString()
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
return("OSX Version=" + s_osxProductVersion.ToString());
}
DistroInfo v = GetDistroInfo();
return("Distro=" + v.Id + " VersionId=" + v.VersionId);
}
// For some distros, we don't want to use the full version from VERSION_ID. One example is
// Red Hat Enterprise Linux, which includes a minor version in their VERSION_ID but minor
// versions are backwards compatable.
//
// In this case, we'll normalized RIDs like 'rhel.7.2' and 'rhel.7.3' to a generic
// 'rhel.7'. This brings RHEL in line with other distros like CentOS or Debian which
// don't put minor version numbers in their VERSION_ID fields because all minor versions
// are backwards compatible.
private static DistroInfo NormalizeDistroInfo(DistroInfo distroInfo)
{
int minorVersionNumberSeparatorIndex = distroInfo.VersionId.IndexOf('.');
if (distroInfo.Id == "rhel" && minorVersionNumberSeparatorIndex != -1)
{
distroInfo.VersionId = distroInfo.VersionId.Substring(0, minorVersionNumberSeparatorIndex);
}
return(distroInfo);
}
public static string GetDistroVersionString()
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
return("OSX Version=" + s_osxProductVersion.ToString());
}
DistroInfo v = ParseOsReleaseFile();
return("Distro=" + v.Id + " VersionId=" + v.VersionId + " Pretty=" + v.PrettyName + " Version=" + v.Version);
}
// For some distros, we don't want to use the full version from VERSION_ID. One example is
// Red Hat Enterprise Linux, which includes a minor version in their VERSION_ID but minor
// versions are backwards compatible.
//
// In this case, we'll normalized RIDs like 'rhel.7.2' and 'rhel.7.3' to a generic
// 'rhel.7'. This brings RHEL in line with other distros like CentOS or Debian which
// don't put minor version numbers in their VERSION_ID fields because all minor versions
// are backwards compatible.
private static DistroInfo NormalizeDistroInfo(DistroInfo distroInfo)
{
// Handle if VersionId is null by just setting the index to -1.
int minorVersionNumberSeparatorIndex = distroInfo.VersionId?.IndexOf('.') ?? -1;
if (distroInfo.Id == "rhel" && minorVersionNumberSeparatorIndex != -1)
{
distroInfo.VersionId = distroInfo.VersionId.Substring(0, minorVersionNumberSeparatorIndex);
}
return(distroInfo);
}
private static bool IsDistroAndVersionOrHigher(Predicate <string> distroPredicate, int major = -1, int minor = -1, int build = -1, int revision = -1)
{
if (IsLinux)
{
DistroInfo v = GetDistroInfo();
if (distroPredicate(v.Id) && VersionEquivalentToOrHigher(major, minor, build, revision, v.VersionId))
{
return(true);
}
}
return(false);
}
private static bool IsDistroAndVersion(Predicate <string> distroPredicate, int major = -1, int minor = -1, int build = -1, int revision = -1)
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
DistroInfo v = GetDistroInfo();
if (distroPredicate(v.Id) && VersionEquivalentTo(major, minor, build, revision, v.VersionId))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Get whether the OS platform matches the given Linux distro and optional version.
/// </summary>
/// <param name="distroId">The distribution id.</param>
/// <param name="versionId">The distro version. If omitted, compares the distro only.</param>
/// <returns>Whether the OS platform matches the given Linux distro and optional version.</returns>
private static bool IsDistroAndVersion(string distroId, string versionId = null)
{
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
DistroInfo v = ParseOsReleaseFile();
if (v.Id == distroId && (versionId == null || v.VersionId == versionId))
{
return(true);
}
}
return(false);
}
private static DistroInfo NormalizeDistroInfo(
DistroInfo distroInfo)
{
string versionId = distroInfo.VersionId;
int length = versionId != null?versionId.IndexOf('.') : -1;
if (length != -1 && distroInfo.Id == "alpine")
{
length = distroInfo.VersionId.IndexOf('.', length + 1);
}
if (length != -1 && (distroInfo.Id == "rhel" || distroInfo.Id == "alpine"))
{
distroInfo.VersionId = distroInfo.VersionId.Substring(0, length);
}
return(distroInfo);
}
// For some distros, we don't want to use the full version from VERSION_ID. One example is
// Red Hat Enterprise Linux, which includes a minor version in their VERSION_ID but minor
// versions are backwards compatable.
//
// In this case, we'll normalized RIDs like 'rhel.7.2' and 'rhel.7.3' to a generic
// 'rhel.7'. This brings RHEL in line with other distros like CentOS or Debian which
// don't put minor version numbers in their VERSION_ID fields because all minor versions
// are backwards compatible.
private static DistroInfo NormalizeDistroInfo(DistroInfo distroInfo)
{
// Handle if VersionId is null by just setting the index to -1.
int lastVersionNumberSeparatorIndex = distroInfo.VersionId?.IndexOf('.') ?? -1;
if (lastVersionNumberSeparatorIndex != -1 && distroInfo.Id == "alpine")
{
// For Alpine, the version reported has three components, so we need to find the second version separator
lastVersionNumberSeparatorIndex = distroInfo.VersionId.IndexOf('.', lastVersionNumberSeparatorIndex + 1);
}
if (lastVersionNumberSeparatorIndex != -1 && (distroInfo.Id == "rhel" || distroInfo.Id == "alpine"))
{
distroInfo.VersionId = distroInfo.VersionId.Substring(0, lastVersionNumberSeparatorIndex);
}
return(distroInfo);
}
private static DistroInfo LoadDistroInfo()
{
DistroInfo distroInfo = (DistroInfo)null;
if (File.Exists("/etc/os-release"))
{
string[] strArray = File.ReadAllLines("/etc/os-release");
distroInfo = new DistroInfo();
foreach (string str in strArray)
{
if (str.StartsWith("ID=", StringComparison.Ordinal))
{
distroInfo.Id = str.Substring(3).Trim('"', '\'');
}
else if (str.StartsWith("VERSION_ID=", StringComparison.Ordinal))
{
distroInfo.VersionId = str.Substring(11).Trim('"', '\'');
}
}
}
else if (File.Exists("/etc/redhat-release"))
{
string[] strArray = File.ReadAllLines("/etc/redhat-release");
if (strArray.Length >= 1)
{
string str = strArray[0];
if (str.StartsWith("Red Hat Enterprise Linux Server release 6.") || str.StartsWith("CentOS release 6."))
{
distroInfo = new DistroInfo();
distroInfo.Id = "rhel";
distroInfo.VersionId = "6";
}
}
}
if (distroInfo != null)
{
distroInfo = NormalizeDistroInfo(distroInfo);
}
return(distroInfo);
}
private static DistroInfo ParseOsReleaseFile()
{
Debug.Assert(RuntimeInformation.IsOSPlatform(OSPlatform.Linux));
DistroInfo ret = new DistroInfo();
ret.Id = "";
ret.VersionId = "";
ret.Version = "";
ret.PrettyName = "";
if (File.Exists("/etc/os-release"))
{
foreach (string line in File.ReadLines("/etc/os-release"))
{
if (line.StartsWith("ID=", System.StringComparison.Ordinal))
{
ret.Id = RemoveQuotes(line.Substring("ID=".Length));
}
else if (line.StartsWith("VERSION_ID=", System.StringComparison.Ordinal))
{
ret.VersionId = RemoveQuotes(line.Substring("VERSION_ID=".Length));
}
else if (line.StartsWith("VERSION=", System.StringComparison.Ordinal))
{
ret.Version = RemoveQuotes(line.Substring("VERSION=".Length));
}
else if (line.StartsWith("PRETTY_NAME=", System.StringComparison.Ordinal))
{
ret.PrettyName = RemoveQuotes(line.Substring("PRETTY_NAME=".Length));
}
}
}
return(ret);
}
private static DistroInfo GetDistroInfo()
{
DistroInfo result = new DistroInfo();
if (IsFreeBSD)
{
result.Id = "FreeBSD";
// example:
// FreeBSD 11.0-RELEASE-p1 FreeBSD 11.0-RELEASE-p1 #0 r306420: Thu Sep 29 01:43:23 UTC 2016 [email protected]:/usr/obj/usr/src/sys/GENERIC
// What we want is major release as minor releases should be compatible.
result.VersionId = ToVersion(RuntimeInformation.OSDescription.Split()[1].Split('.')[0]);
}
else if (IsIllumos)
{
// examples:
// on OmniOS
// SunOS 5.11 omnios-r151018-95eaa7e
// on OpenIndiana Hipster:
// SunOS 5.11 illumos-63878f749f
// on SmartOS:
// SunOS 5.11 joyent_20200408T231825Z
var versionDescription = RuntimeInformation.OSDescription.Split(' ')[2];
switch (versionDescription)
{
case string version when version.StartsWith("omnios"):
result.Id = "OmniOS";
result.VersionId = ToVersion(version.Substring("omnios-r".Length, 2)); // e.g. 15
break;
case string version when version.StartsWith("joyent"):
result.Id = "SmartOS";
result.VersionId = ToVersion(version.Substring("joyent_".Length, 4)); // e.g. 2020
break;
case string version when version.StartsWith("illumos"):
result.Id = "OpenIndiana";
// version-less
break;
}
}
else if (IsSolaris)
{
// example:
// SunOS 5.11 11.3
result.Id = "Solaris";
result.VersionId = ToVersion(RuntimeInformation.OSDescription.Split(' ')[2]); // e.g. 11.3
}
else if (File.Exists("/etc/os-release"))
{
foreach (string line in File.ReadAllLines("/etc/os-release"))
{
if (line.StartsWith("ID=", StringComparison.Ordinal))
{
result.Id = line.Substring(3).Trim('"', '\'');
}
else if (line.StartsWith("VERSION_ID=", StringComparison.Ordinal))
{
result.VersionId = ToVersion(line.Substring(11).Trim('"', '\''));
}
}
}
result.Id ??= "Linux";
result.VersionId ??= ToVersion(string.Empty);
return(result);
}
private static DistroInfo ParseOsReleaseFile()
{
Debug.Assert(RuntimeInformation.IsOSPlatform(OSPlatform.Linux));
DistroInfo ret = new DistroInfo();
ret.Id = "";
ret.VersionId = "";
ret.Version = "";
ret.PrettyName = "";
if (File.Exists("/etc/os-release"))
{
foreach (string line in File.ReadLines("/etc/os-release"))
{
if (line.StartsWith("ID=", System.StringComparison.Ordinal))
{
ret.Id = RemoveQuotes(line.Substring("ID=".Length));
}
else if (line.StartsWith("VERSION_ID=", System.StringComparison.Ordinal))
{
ret.VersionId = RemoveQuotes(line.Substring("VERSION_ID=".Length));
}
else if (line.StartsWith("VERSION=", System.StringComparison.Ordinal))
{
ret.Version = RemoveQuotes(line.Substring("VERSION=".Length));
}
else if (line.StartsWith("PRETTY_NAME=", System.StringComparison.Ordinal))
{
ret.PrettyName = RemoveQuotes(line.Substring("PRETTY_NAME=".Length));
}
}
}
else
{
string fileName = null;
if (File.Exists("/etc/redhat-release"))
{
fileName = "/etc/redhat-release";
}
if (fileName == null && File.Exists("/etc/system-release"))
{
fileName = "/etc/system-release";
}
if (fileName != null)
{
// Parse the format like the following line:
// Red Hat Enterprise Linux Server release 7.3 (Maipo)
using (StreamReader file = new StreamReader(fileName))
{
string line = file.ReadLine();
if (!String.IsNullOrEmpty(line))
{
if (line.StartsWith("Red Hat Enterprise Linux", StringComparison.OrdinalIgnoreCase))
{
ret.Id = "rhel";
}
else if (line.StartsWith("Centos", StringComparison.OrdinalIgnoreCase))
{
ret.Id = "centos";
}
else if (line.StartsWith("Red Hat", StringComparison.OrdinalIgnoreCase))
{
ret.Id = "rhl";
}
else
{
// automatically generate the distro label
string [] words = line.Split(' ');
StringBuilder sb = new StringBuilder();
foreach (string word in words)
{
if (word.Length > 0)
{
if (Char.IsNumber(word[0]) ||
word.Equals("release", StringComparison.OrdinalIgnoreCase) ||
word.Equals("server", StringComparison.OrdinalIgnoreCase))
{
break;
}
sb.Append(Char.ToLower(word[0]));
}
}
ret.Id = sb.ToString();
}
int i = 0;
while (i < line.Length && !Char.IsNumber(line[i])) // stop at first number
{
i++;
}
if (i < line.Length)
{
int j = i + 1;
while (j < line.Length && (Char.IsNumber(line[j]) || line[j] == '.'))
{
j++;
}
ret.VersionId = line.Substring(i, j - i);
ret.Version = line.Substring(i, line.Length - i);
}
ret.PrettyName = line;
}
}
}
}
return(ret);
}
private static DistroInfo LoadDistroInfo()
{
// Sample os-release file:
// NAME="Ubuntu"
// VERSION = "14.04.3 LTS, Trusty Tahr"
// ID = ubuntu
// ID_LIKE = debian
// PRETTY_NAME = "Ubuntu 14.04.3 LTS"
// VERSION_ID = "14.04"
// HOME_URL = "http://www.ubuntu.com/"
// SUPPORT_URL = "http://help.ubuntu.com/"
// BUG_REPORT_URL = "http://bugs.launchpad.net/ubuntu/"
// We use ID and VERSION_ID
if (File.Exists("/etc/os-release"))
{
var lines = File.ReadAllLines("/etc/os-release");
var result = new DistroInfo();
foreach (var line in lines)
{
if (line.StartsWith("ID=", StringComparison.Ordinal))
{
result.Id = line.Substring(3).Trim('"', '\'');
}
else if (line.StartsWith("VERSION_ID=", StringComparison.Ordinal))
{
result.VersionId = line.Substring(11).Trim('"', '\'');
}
}
return result;
}
return null;
}
