public virtual void TestStaticMapping()
{
Assume.AssumeTrue(!Shell.Windows);
IDictionary <int, int> uidStaticMap = new ShellBasedIdMapping.PassThroughMap <int>(
);
IDictionary <int, int> gidStaticMap = new ShellBasedIdMapping.PassThroughMap <int>(
);
uidStaticMap[11501] = 10;
gidStaticMap[497] = 200;
// Maps for id to name map
BiMap <int, string> uMap = HashBiMap.Create();
BiMap <int, string> gMap = HashBiMap.Create();
string GetAllUsersCmd = "echo \"atm:x:1000:1000:Aaron T. Myers,,,:/home/atm:/bin/bash\n"
+ "hdfs:x:11501:10787:Grid Distributed File System:/home/hdfs:/bin/bash\"" + " | cut -d: -f1,3";
string GetAllGroupsCmd = "echo \"hdfs:*:11501:hrt_hdfs\n" + "mapred:x:497\n" + "mapred2:x:498\""
+ " | cut -d: -f1,3";
ShellBasedIdMapping.UpdateMapInternal(uMap, "user", GetAllUsersCmd, ":", uidStaticMap
);
ShellBasedIdMapping.UpdateMapInternal(gMap, "group", GetAllGroupsCmd, ":", gidStaticMap
);
Assert.Equal("hdfs", uMap[10]);
Assert.Equal(10, (int)uMap.Inverse()["hdfs"]);
Assert.Equal("atm", uMap[1000]);
Assert.Equal(1000, (int)uMap.Inverse()["atm"]);
Assert.Equal("hdfs", gMap[11501]);
Assert.Equal(11501, (int)gMap.Inverse()["hdfs"]);
Assert.Equal("mapred", gMap[200]);
Assert.Equal(200, (int)gMap.Inverse()["mapred"]);
Assert.Equal("mapred2", gMap[498]);
Assert.Equal(498, (int)gMap.Inverse()["mapred2"]);
}
public virtual void TestStaticMapParsing()
{
FilePath tempStaticMapFile = FilePath.CreateTempFile("nfs-", ".map");
string staticMapFileContents = "uid 10 100\n" + "gid 10 200\n" + "uid 11 201 # comment at the end of a line\n"
+ "uid 12 301\n" + "# Comment at the beginning of a line\n" + " # Comment that starts late in the line\n"
+ "uid 10000 10001# line without whitespace before comment\n" + "uid 13 302\n"
+ "gid\t11\t201\n" + "\n" + "gid 12 202\n" + "uid 4294967294 123\n" + "gid 4294967295 321";
// Tabs instead of spaces.
// Entirely empty line.
CreateStaticMapFile(tempStaticMapFile, staticMapFileContents);
ShellBasedIdMapping.StaticMapping parsedMap = ShellBasedIdMapping.ParseStaticMap(
tempStaticMapFile);
Assert.Equal(10, (int)parsedMap.uidMapping[100]);
Assert.Equal(11, (int)parsedMap.uidMapping[201]);
Assert.Equal(12, (int)parsedMap.uidMapping[301]);
Assert.Equal(13, (int)parsedMap.uidMapping[302]);
Assert.Equal(10, (int)parsedMap.gidMapping[200]);
Assert.Equal(11, (int)parsedMap.gidMapping[201]);
Assert.Equal(12, (int)parsedMap.gidMapping[202]);
Assert.Equal(10000, (int)parsedMap.uidMapping[10001]);
// Ensure pass-through of unmapped IDs works.
Assert.Equal(1000, (int)parsedMap.uidMapping[1000]);
Assert.Equal(-2, (int)parsedMap.uidMapping[123]);
Assert.Equal(-1, (int)parsedMap.gidMapping[321]);
}
public virtual void TestDuplicates()
{
Assume.AssumeTrue(!Shell.Windows);
string GetAllUsersCmd = "echo \"root:x:0:0:root:/root:/bin/bash\n" + "hdfs:x:11501:10787:Grid Distributed File System:/home/hdfs:/bin/bash\n"
+ "hdfs:x:11502:10788:Grid Distributed File System:/home/hdfs:/bin/bash\n" + "hdfs1:x:11501:10787:Grid Distributed File System:/home/hdfs:/bin/bash\n"
+ "hdfs2:x:11502:10787:Grid Distributed File System:/home/hdfs:/bin/bash\n" + "bin:x:2:2:bin:/bin:/bin/sh\n"
+ "bin:x:1:1:bin:/bin:/sbin/nologin\n" + "daemon:x:1:1:daemon:/usr/sbin:/bin/sh\n"
+ "daemon:x:2:2:daemon:/sbin:/sbin/nologin\"" + " | cut -d: -f1,3";
string GetAllGroupsCmd = "echo \"hdfs:*:11501:hrt_hdfs\n" + "mapred:x:497\n" + "mapred2:x:497\n"
+ "mapred:x:498\n" + "mapred3:x:498\"" + " | cut -d: -f1,3";
// Maps for id to name map
BiMap <int, string> uMap = HashBiMap.Create();
BiMap <int, string> gMap = HashBiMap.Create();
ShellBasedIdMapping.UpdateMapInternal(uMap, "user", GetAllUsersCmd, ":", EmptyPassThroughMap
);
Assert.Equal(5, uMap.Count);
Assert.Equal("root", uMap[0]);
Assert.Equal("hdfs", uMap[11501]);
Assert.Equal("hdfs2", uMap[11502]);
Assert.Equal("bin", uMap[2]);
Assert.Equal("daemon", uMap[1]);
ShellBasedIdMapping.UpdateMapInternal(gMap, "group", GetAllGroupsCmd, ":", EmptyPassThroughMap
);
Assert.True(gMap.Count == 3);
Assert.Equal("hdfs", gMap[11501]);
Assert.Equal("mapred", gMap[497]);
Assert.Equal("mapred3", gMap[498]);
}
public virtual void TestUserUpdateSetting()
{
ShellBasedIdMapping iug = new ShellBasedIdMapping(new Configuration());
Assert.Equal(iug.GetTimeout(), IdMappingConstant.UsergroupidUpdateMillisDefault
);
Configuration conf = new Configuration();
conf.SetLong(IdMappingConstant.UsergroupidUpdateMillisKey, 0);
iug = new ShellBasedIdMapping(conf);
Assert.Equal(iug.GetTimeout(), IdMappingConstant.UsergroupidUpdateMillisMin
);
conf.SetLong(IdMappingConstant.UsergroupidUpdateMillisKey, IdMappingConstant.UsergroupidUpdateMillisDefault
* 2);
iug = new ShellBasedIdMapping(conf);
Assert.Equal(iug.GetTimeout(), IdMappingConstant.UsergroupidUpdateMillisDefault
* 2);
}
public virtual void TestIdOutOfIntegerRange()
{
Assume.AssumeTrue(!Shell.Windows);
string GetAllUsersCmd = "echo \"" + "nfsnobody:x:4294967294:4294967294:Anonymous NFS User:/var/lib/nfs:/sbin/nologin\n"
+ "nfsnobody1:x:4294967295:4294967295:Anonymous NFS User:/var/lib/nfs1:/sbin/nologin\n"
+ "maxint:x:2147483647:2147483647:Grid Distributed File System:/home/maxint:/bin/bash\n"
+ "minint:x:2147483648:2147483648:Grid Distributed File System:/home/minint:/bin/bash\n"
+ "archivebackup:*:1031:4294967294:Archive Backup:/home/users/archivebackup:/bin/sh\n"
+ "hdfs:x:11501:10787:Grid Distributed File System:/home/hdfs:/bin/bash\n" + "daemon:x:2:2:daemon:/sbin:/sbin/nologin\""
+ " | cut -d: -f1,3";
string GetAllGroupsCmd = "echo \"" + "hdfs:*:11501:hrt_hdfs\n" + "rpcuser:*:29:\n"
+ "nfsnobody:*:4294967294:\n" + "nfsnobody1:*:4294967295:\n" + "maxint:*:2147483647:\n"
+ "minint:*:2147483648:\n" + "mapred3:x:498\"" + " | cut -d: -f1,3";
// Maps for id to name map
BiMap <int, string> uMap = HashBiMap.Create();
BiMap <int, string> gMap = HashBiMap.Create();
ShellBasedIdMapping.UpdateMapInternal(uMap, "user", GetAllUsersCmd, ":", EmptyPassThroughMap
);
Assert.True(uMap.Count == 7);
Assert.Equal("nfsnobody", uMap[-2]);
Assert.Equal("nfsnobody1", uMap[-1]);
Assert.Equal("maxint", uMap[2147483647]);
Assert.Equal("minint", uMap[-2147483648]);
Assert.Equal("archivebackup", uMap[1031]);
Assert.Equal("hdfs", uMap[11501]);
Assert.Equal("daemon", uMap[2]);
ShellBasedIdMapping.UpdateMapInternal(gMap, "group", GetAllGroupsCmd, ":", EmptyPassThroughMap
);
Assert.True(gMap.Count == 7);
Assert.Equal("hdfs", gMap[11501]);
Assert.Equal("rpcuser", gMap[29]);
Assert.Equal("nfsnobody", gMap[-2]);
Assert.Equal("nfsnobody1", gMap[-1]);
Assert.Equal("maxint", gMap[2147483647]);
Assert.Equal("minint", gMap[-2147483648]);
Assert.Equal("mapred3", gMap[498]);
}
public virtual void TestStaticMapUpdate()
{
Assume.AssumeTrue(!Shell.Windows);
FilePath tempStaticMapFile = FilePath.CreateTempFile("nfs-", ".map");
tempStaticMapFile.Delete();
Configuration conf = new Configuration();
conf.SetLong(IdMappingConstant.UsergroupidUpdateMillisKey, 1000);
conf.Set(IdMappingConstant.StaticIdMappingFileKey, tempStaticMapFile.GetPath());
ShellBasedIdMapping refIdMapping = new ShellBasedIdMapping(conf, true);
ShellBasedIdMapping incrIdMapping = new ShellBasedIdMapping(conf);
BiMap <int, string> uidNameMap = refIdMapping.GetUidNameMap();
BiMap <int, string> gidNameMap = refIdMapping.GetGidNameMap();
// Force empty map, to see effect of incremental map update of calling
// getUid()
incrIdMapping.ClearNameMaps();
uidNameMap = refIdMapping.GetUidNameMap();
{
KeyValuePair <int, string> me = uidNameMap.GetEnumerator().Next();
int id = me.Key;
string name = me.Value;
// The static map is empty, so the id found for "name" would be
// the same as "id"
int nid = incrIdMapping.GetUid(name);
Assert.Equal(id, nid);
// Clear map and update staticMap file
incrIdMapping.ClearNameMaps();
int rid = id + 10000;
string smapStr = "uid " + rid + " " + id;
CreateStaticMapFile(tempStaticMapFile, smapStr);
// Now the id found for "name" should be the id specified by
// the staticMap
nid = incrIdMapping.GetUid(name);
Assert.Equal(rid, nid);
}
// Force empty map, to see effect of incremental map update of calling
// getGid()
incrIdMapping.ClearNameMaps();
gidNameMap = refIdMapping.GetGidNameMap();
{
KeyValuePair <int, string> me = gidNameMap.GetEnumerator().Next();
int id = me.Key;
string name = me.Value;
// The static map is empty, so the id found for "name" would be
// the same as "id"
int nid = incrIdMapping.GetGid(name);
Assert.Equal(id, nid);
// Clear map and update staticMap file
incrIdMapping.ClearNameMaps();
int rid = id + 10000;
string smapStr = "gid " + rid + " " + id;
// Sleep a bit to avoid that two changes have the same modification time
try
{
Thread.Sleep(1000);
}
catch (Exception)
{
}
CreateStaticMapFile(tempStaticMapFile, smapStr);
// Now the id found for "name" should be the id specified by
// the staticMap
nid = incrIdMapping.GetGid(name);
Assert.Equal(rid, nid);
}
}
public virtual void TestUpdateMapIncr()
{
Configuration conf = new Configuration();
conf.SetLong(IdMappingConstant.UsergroupidUpdateMillisKey, 600000);
ShellBasedIdMapping refIdMapping = new ShellBasedIdMapping(conf, true);
ShellBasedIdMapping incrIdMapping = new ShellBasedIdMapping(conf);
// Command such as "getent passwd <userName>" will return empty string if
// <username> is numerical, remove them from the map for testing purpose.
BiMap <int, string> uidNameMap = refIdMapping.GetUidNameMap();
BiMap <int, string> gidNameMap = refIdMapping.GetGidNameMap();
// Force empty map, to see effect of incremental map update of calling
// getUserName()
incrIdMapping.ClearNameMaps();
uidNameMap = refIdMapping.GetUidNameMap();
foreach (KeyValuePair <int, string> me in uidNameMap)
{
int id = me.Key;
string name = me.Value;
string tname = incrIdMapping.GetUserName(id, null);
Assert.Equal(name, tname);
}
Assert.Equal(uidNameMap.Count, incrIdMapping.GetUidNameMap().Count
);
// Force empty map, to see effect of incremental map update of calling
// getUid()
incrIdMapping.ClearNameMaps();
foreach (KeyValuePair <int, string> me_1 in uidNameMap)
{
int id = me_1.Key;
string name = me_1.Value;
int tid = incrIdMapping.GetUid(name);
Assert.Equal(id, tid);
}
Assert.Equal(uidNameMap.Count, incrIdMapping.GetUidNameMap().Count
);
// Force empty map, to see effect of incremental map update of calling
// getGroupName()
incrIdMapping.ClearNameMaps();
gidNameMap = refIdMapping.GetGidNameMap();
foreach (KeyValuePair <int, string> me_2 in gidNameMap)
{
int id = me_2.Key;
string name = me_2.Value;
string tname = incrIdMapping.GetGroupName(id, null);
Assert.Equal(name, tname);
}
Assert.Equal(gidNameMap.Count, incrIdMapping.GetGidNameMap().Count
);
// Force empty map, to see effect of incremental map update of calling
// getGid()
incrIdMapping.ClearNameMaps();
gidNameMap = refIdMapping.GetGidNameMap();
foreach (KeyValuePair <int, string> me_3 in gidNameMap)
{
int id = me_3.Key;
string name = me_3.Value;
int tid = incrIdMapping.GetGid(name);
Assert.Equal(id, tid);
}
Assert.Equal(gidNameMap.Count, incrIdMapping.GetGidNameMap().Count
);
}