HADOOP-10565. Support IP ranges (CIDR) in proxyuser.hosts. (Contributed by Benoy Antony)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1605987 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Arpit Agarwal 2014-06-27 08:32:51 +00:00
parent f084170a0a
commit fdf901451f
6 changed files with 621 additions and 36 deletions

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@ -480,6 +480,9 @@ Release 2.5.0 - UNRELEASED
HADOOP-10754. Reenable several HA ZooKeeper-related tests on Windows.
(cnauroth)
HADOOP-10565. Support IP ranges (CIDR) in proxyuser.hosts. (Benoy Antony
via Arpit Agarwal)
OPTIMIZATIONS
BUG FIXES

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@ -18,8 +18,6 @@
package org.apache.hadoop.security.authorize;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
@ -28,7 +26,7 @@
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.util.MachineList;
import com.google.common.annotations.VisibleForTesting;
@ -46,8 +44,8 @@ public class DefaultImpersonationProvider implements ImpersonationProvider {
// acl and list of hosts per proxyuser
private Map<String, AccessControlList> proxyUserAcl =
new HashMap<String, AccessControlList>();
private Map<String, Collection<String>> proxyHosts =
new HashMap<String, Collection<String>>();
private static Map<String, MachineList> proxyHosts =
new HashMap<String, MachineList>();
private Configuration conf;
@Override
@ -70,7 +68,7 @@ public void setConf(Configuration conf) {
allMatchKeys = conf.getValByRegex(CONF_HADOOP_PROXYUSER_RE_HOSTS);
for(Entry<String, String> entry : allMatchKeys.entrySet()) {
proxyHosts.put(entry.getKey(),
StringUtils.getTrimmedStringCollection(entry.getValue()));
new MachineList(entry.getValue()));
}
}
@ -95,27 +93,10 @@ public void authorize(UserGroupInformation user,
+ " is not allowed to impersonate " + user.getUserName());
}
boolean ipAuthorized = false;
Collection<String> ipList = proxyHosts.get(
MachineList MachineList = proxyHosts.get(
getProxySuperuserIpConfKey(realUser.getShortUserName()));
if (isWildcardList(ipList)) {
ipAuthorized = true;
} else if (ipList != null && !ipList.isEmpty()) {
for (String allowedHost : ipList) {
InetAddress hostAddr;
try {
hostAddr = InetAddress.getByName(allowedHost);
} catch (UnknownHostException e) {
continue;
}
if (hostAddr.getHostAddress().equals(remoteAddress)) {
// Authorization is successful
ipAuthorized = true;
}
}
}
if(!ipAuthorized) {
if(!MachineList.includes(remoteAddress)) {
throw new AuthorizationException("Unauthorized connection for super-user: "
+ realUser.getUserName() + " from IP " + remoteAddress);
}
@ -128,16 +109,6 @@ private String getAclKey(String key) {
}
return key;
}
/**
* Return true if the configuration specifies the special configuration value
* "*", indicating that any group or host list is allowed to use this configuration.
*/
private boolean isWildcardList(Collection<String> list) {
return (list != null) &&
(list.size() == 1) &&
(list.contains("*"));
}
/**
* Returns configuration key for effective usergroups allowed for a superuser
@ -180,6 +151,12 @@ public Map<String, Collection<String>> getProxyGroups() {
@VisibleForTesting
public Map<String, Collection<String>> getProxyHosts() {
return proxyHosts;
Map<String, Collection<String>> tmpProxyHosts =
new HashMap<String, Collection<String>>();
for (Map.Entry<String, MachineList> proxyHostEntry :proxyHosts.entrySet()) {
tmpProxyHosts.put(proxyHostEntry.getKey(),
proxyHostEntry.getValue().getCollection());
}
return tmpProxyHosts;
}
}

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@ -0,0 +1,203 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.util;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.commons.net.util.SubnetUtils;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.net.InetAddresses;
/**
* Container class which holds a list of ip/host addresses and
* answers membership queries.
* .
* Accepts list of ip addresses, ip addreses in CIDR format and/or
* host addresses.
*/
public class MachineList {
public static final Log LOG = LogFactory.getLog(MachineList.class);
/**
* InetAddressFactory is used to obtain InetAddress from host.
* This class makes it easy to simulate host to ip mappings during testing.
*
*/
public static class InetAddressFactory {
static final InetAddressFactory S_INSTANCE = new InetAddressFactory();
public InetAddress getByName (String host) throws UnknownHostException {
return InetAddress.getByName(host);
}
}
private final boolean all;
private final Set<String> ipAddresses;
private final List<SubnetUtils.SubnetInfo> cidrAddresses;
private final Set<String> hostNames;
private final InetAddressFactory addressFactory;
/**
*
* @param hostEntries comma separated ip/cidr/host addresses
*/
public MachineList(String hostEntries) {
this(StringUtils.getTrimmedStringCollection(hostEntries),
InetAddressFactory.S_INSTANCE);
}
/**
* Accepts a collection of ip/cidr/host addresses
*
* @param hostEntries
* @param addressFactory addressFactory to convert host to InetAddress
*/
public MachineList(Collection<String> hostEntries, InetAddressFactory addressFactory) {
this.addressFactory = addressFactory;
if (hostEntries != null) {
if ((hostEntries.size() == 1) && (hostEntries.contains("*"))) {
all = true;
ipAddresses = null;
hostNames = null;
cidrAddresses = null;
} else {
all = false;
Set<String> ips = new HashSet<String>();
List<SubnetUtils.SubnetInfo> cidrs = new LinkedList<SubnetUtils.SubnetInfo>();
Set<String> hosts = new HashSet<String>();
for (String hostEntry : hostEntries) {
//ip address range
if (hostEntry.indexOf("/") > -1) {
try {
SubnetUtils subnet = new SubnetUtils(hostEntry);
subnet.setInclusiveHostCount(true);
cidrs.add(subnet.getInfo());
} catch (IllegalArgumentException e) {
LOG.warn("Invalid CIDR syntax : " + hostEntry);
throw e;
}
} else if (InetAddresses.isInetAddress(hostEntry)) { //ip address
ips.add(hostEntry);
} else { //hostname
hosts.add(hostEntry);
}
}
ipAddresses = (ips.size() > 0) ? ips : null;
cidrAddresses = (cidrs.size() > 0) ? cidrs : null;
hostNames = (hosts.size() > 0) ? hosts : null;
}
} else {
all = false;
ipAddresses = null;
hostNames = null;
cidrAddresses = null;
}
}
/**
* Accepts an ip address and return true if ipAddress is in the list
* @param ipAddress
* @return true if ipAddress is part of the list
*/
public boolean includes(String ipAddress) {
if (all) {
return true;
}
//check in the set of ipAddresses
if ((ipAddresses != null) && ipAddresses.contains(ipAddress)) {
return true;
}
//iterate through the ip ranges for inclusion
if (cidrAddresses != null) {
for(SubnetUtils.SubnetInfo cidrAddress : cidrAddresses) {
if(cidrAddress.isInRange(ipAddress)) {
return true;
}
}
}
//check if the ipAddress matches one of hostnames
if (hostNames != null) {
//convert given ipAddress to hostname and look for a match
InetAddress hostAddr;
try {
hostAddr = addressFactory.getByName(ipAddress);
if ((hostAddr != null) && hostNames.contains(hostAddr.getCanonicalHostName())) {
return true;
}
} catch (UnknownHostException e) {
//ignore the exception and proceed to resolve the list of hosts
}
//loop through host addresses and convert them to ip and look for a match
for (String host : hostNames) {
try {
hostAddr = addressFactory.getByName(host);
} catch (UnknownHostException e) {
continue;
}
if (hostAddr.getHostAddress().equals(ipAddress)) {
return true;
}
}
}
return false;
}
/**
* returns the contents of the MachineList as a Collection<String>
* This can be used for testing
* @return contents of the MachineList
*/
@VisibleForTesting
public Collection<String> getCollection() {
Collection<String> list = new ArrayList<String>();
if (all) {
list.add("*");
} else {
if (ipAddresses != null) {
list.addAll(ipAddresses);
}
if (hostNames != null) {
list.addAll(hostNames);
}
if (cidrAddresses != null) {
for(SubnetUtils.SubnetInfo cidrAddress : cidrAddresses) {
list.add(cidrAddress.getCidrSignature());
}
}
}
return list;
}
}

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@ -236,6 +236,25 @@ KVNO Timestamp Principal
</property>
----
The <<<hadoop.proxyuser.${superuser}.hosts>>> accepts list of ip addresses,
ip address ranges in CIDR format and/or host names.
For example, by specifying as below in core-site.xml,
user named <<<oozie>>> accessing from hosts in the range
10.222.0.0-15 and 10.113.221.221
can impersonate any user belonging to any group.
----
<property>
<name>hadoop.proxyuser.oozie.hosts</name>
<value>10.222.0.0/16,10.113.221.221</value>
</property>
<property>
<name>hadoop.proxyuser.oozie.groups</name>
<value>*</value>
</property>
----
** Secure DataNode
Because the data transfer protocol of DataNode

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@ -21,6 +21,7 @@
import static org.junit.Assert.fail;
import java.io.IOException;
import java.security.SecureRandom;
import java.util.Arrays;
import java.util.Collection;
@ -50,6 +51,7 @@ public class TestProxyUsers {
private static final String[] SUDO_GROUP_NAMES =
new String[] { "sudo_proxied_user" };
private static final String PROXY_IP = "1.2.3.4";
private static final String PROXY_IP_RANGE = "10.222.0.0/16,10.113.221.221";
/**
* Test the netgroups (groups in ACL rules that start with @)
@ -294,6 +296,29 @@ public void testWildcardIP() {
assertNotAuthorized(proxyUserUgi, "1.2.3.4");
assertNotAuthorized(proxyUserUgi, "1.2.3.5");
}
@Test
public void testIPRange() {
Configuration conf = new Configuration();
conf.set(
DefaultImpersonationProvider.getProxySuperuserGroupConfKey(REAL_USER_NAME),
"*");
conf.set(
DefaultImpersonationProvider.getProxySuperuserIpConfKey(REAL_USER_NAME),
PROXY_IP_RANGE);
ProxyUsers.refreshSuperUserGroupsConfiguration(conf);
// First try proxying a group that's allowed
UserGroupInformation realUserUgi = UserGroupInformation
.createRemoteUser(REAL_USER_NAME);
UserGroupInformation proxyUserUgi = UserGroupInformation.createProxyUserForTesting(
PROXY_USER_NAME, realUserUgi, GROUP_NAMES);
// From good IP
assertAuthorized(proxyUserUgi, "10.222.0.0");
// From bad IP
assertNotAuthorized(proxyUserUgi, "10.221.0.0");
}
@Test
public void testWithDuplicateProxyGroups() throws Exception {
@ -431,4 +456,71 @@ public Configuration getConf() {
return null;
}
}
public static void loadTest(String ipString, int testRange) {
Configuration conf = new Configuration();
conf.set(
DefaultImpersonationProvider.getProxySuperuserGroupConfKey(REAL_USER_NAME),
StringUtils.join(",", Arrays.asList(GROUP_NAMES)));
conf.set(
DefaultImpersonationProvider.getProxySuperuserIpConfKey(REAL_USER_NAME),
ipString
);
ProxyUsers.refreshSuperUserGroupsConfiguration(conf);
// First try proxying a group that's allowed
UserGroupInformation realUserUgi = UserGroupInformation
.createRemoteUser(REAL_USER_NAME);
UserGroupInformation proxyUserUgi = UserGroupInformation.createProxyUserForTesting(
PROXY_USER_NAME, realUserUgi, GROUP_NAMES);
long startTime = System.nanoTime();
SecureRandom sr = new SecureRandom();
for (int i=1; i < 1000000; i++){
try {
ProxyUsers.authorize(proxyUserUgi, "1.2.3."+ sr.nextInt(testRange));
} catch (AuthorizationException e) {
}
}
long stopTime = System.nanoTime();
long elapsedTime = stopTime - startTime;
System.out.println(elapsedTime/1000000 + " ms");
}
/**
* invokes the load Test
* A few sample invocations are as below
* TestProxyUsers ip 128 256
* TestProxyUsers range 1.2.3.0/25 256
* TestProxyUsers ip 4 8
* TestProxyUsers range 1.2.3.0/30 8
* @param args
*/
public static void main (String[] args){
String ipValues = null;
if (args.length != 3 || (!args[0].equals("ip") && !args[0].equals("range"))) {
System.out.println("Invalid invocation. The right syntax is ip/range <numberofIps/cidr> <testRange>");
}
else {
if (args[0].equals("ip")){
int numberOfIps = Integer.parseInt(args[1]);
StringBuilder sb = new StringBuilder();
for (int i=0; i < numberOfIps; i++){
sb.append("1.2.3."+ i + ",");
}
ipValues = sb.toString();
}
else if (args[0].equals("range")){
ipValues = args[1];
}
int testRange = Integer.parseInt(args[2]);
loadTest(ipValues, testRange);
}
}
}

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@ -0,0 +1,291 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Collection;
import org.junit.Test;
import org.mockito.Mockito;
public class TestMachineList {
private static String IP_LIST = "10.119.103.110,10.119.103.112,10.119.103.114";
private static String IP_LIST_SPACES =
" 10.119.103.110 , 10.119.103.112,10.119.103.114 ,10.119.103.110, ";
private static String CIDR_LIST = "10.222.0.0/16,10.241.23.0/24";
private static String CIDR_LIST1 = "10.222.0.0/16";
private static String CIDR_LIST2 = "10.241.23.0/24";
private static String INVALID_CIDR = "10.241/24";
private static String IP_CIDR_LIST =
"10.222.0.0/16,10.119.103.110,10.119.103.112,10.119.103.114,10.241.23.0/24";
private static String HOST_LIST = "host1,host4";
private static String HOSTNAME_IP_CIDR_LIST =
"host1,10.222.0.0/16,10.119.103.110,10.119.103.112,10.119.103.114,10.241.23.0/24,host4,";
@Test
public void testWildCard() {
//create MachineList with a list of of IPs
MachineList ml = new MachineList("*");
//test for inclusion with any IP
assertTrue(ml.includes("10.119.103.112"));
assertTrue(ml.includes("1.2.3.4"));
}
@Test
public void testIPList() {
//create MachineList with a list of of IPs
MachineList ml = new MachineList(IP_LIST);
//test for inclusion with an known IP
assertTrue(ml.includes("10.119.103.112"));
//test for exclusion with an unknown IP
assertFalse(ml.includes("10.119.103.111"));
}
@Test
public void testIPListSpaces() {
//create MachineList with a ip string which has duplicate ip and spaces
MachineList ml = new MachineList(IP_LIST_SPACES);
//test for inclusion with an known IP
assertTrue(ml.includes("10.119.103.112"));
//test for exclusion with an unknown IP
assertFalse(ml.includes("10.119.103.111"));
}
@Test
public void testStaticIPHostNameList()throws UnknownHostException {
//create MachineList with a list of of Hostnames
InetAddress addressHost1 = InetAddress.getByName("1.2.3.1");
InetAddress addressHost4 = InetAddress.getByName("1.2.3.4");
MachineList.InetAddressFactory addressFactory =
Mockito.mock(MachineList.InetAddressFactory.class);
Mockito.when(addressFactory.getByName("host1")).thenReturn(addressHost1);
Mockito.when(addressFactory.getByName("host4")).thenReturn(addressHost4);
MachineList ml = new MachineList(
StringUtils.getTrimmedStringCollection(HOST_LIST), addressFactory);
//test for inclusion with an known IP
assertTrue(ml.includes("1.2.3.4"));
//test for exclusion with an unknown IP
assertFalse(ml.includes("1.2.3.5"));
}
@Test
public void testHostNames() throws UnknownHostException {
//create MachineList with a list of of Hostnames
InetAddress addressHost1 = InetAddress.getByName("1.2.3.1");
InetAddress addressHost4 = InetAddress.getByName("1.2.3.4");
InetAddress addressMockHost4 = Mockito.mock(InetAddress.class);
Mockito.when(addressMockHost4.getCanonicalHostName()).thenReturn("differentName");
InetAddress addressMockHost5 = Mockito.mock(InetAddress.class);
Mockito.when(addressMockHost5.getCanonicalHostName()).thenReturn("host5");
MachineList.InetAddressFactory addressFactory =
Mockito.mock(MachineList.InetAddressFactory.class);
Mockito.when(addressFactory.getByName("1.2.3.4")).thenReturn(addressMockHost4);
Mockito.when(addressFactory.getByName("1.2.3.5")).thenReturn(addressMockHost5);
Mockito.when(addressFactory.getByName("host1")).thenReturn(addressHost1);
Mockito.when(addressFactory.getByName("host4")).thenReturn(addressHost4);
MachineList ml = new MachineList(
StringUtils.getTrimmedStringCollection(HOST_LIST), addressFactory );
//test for inclusion with an known IP
assertTrue(ml.includes("1.2.3.4"));
//test for exclusion with an unknown IP
assertFalse(ml.includes("1.2.3.5"));
}
@Test
public void testHostNamesReverserIpMatch() throws UnknownHostException {
//create MachineList with a list of of Hostnames
InetAddress addressHost1 = InetAddress.getByName("1.2.3.1");
InetAddress addressHost4 = InetAddress.getByName("1.2.3.4");
InetAddress addressMockHost4 = Mockito.mock(InetAddress.class);
Mockito.when(addressMockHost4.getCanonicalHostName()).thenReturn("host4");
InetAddress addressMockHost5 = Mockito.mock(InetAddress.class);
Mockito.when(addressMockHost5.getCanonicalHostName()).thenReturn("host5");
MachineList.InetAddressFactory addressFactory =
Mockito.mock(MachineList.InetAddressFactory.class);
Mockito.when(addressFactory.getByName("1.2.3.4")).thenReturn(addressMockHost4);
Mockito.when(addressFactory.getByName("1.2.3.5")).thenReturn(addressMockHost5);
Mockito.when(addressFactory.getByName("host1")).thenReturn(addressHost1);
Mockito.when(addressFactory.getByName("host4")).thenReturn(addressHost4);
MachineList ml = new MachineList(
StringUtils.getTrimmedStringCollection(HOST_LIST), addressFactory );
//test for inclusion with an known IP
assertTrue(ml.includes("1.2.3.4"));
//test for exclusion with an unknown IP
assertFalse(ml.includes("1.2.3.5"));
}
@Test
public void testCIDRs() {
//create MachineList with a list of of ip ranges specified in CIDR format
MachineList ml = new MachineList(CIDR_LIST);
//test for inclusion/exclusion
assertFalse(ml.includes("10.221.255.255"));
assertTrue(ml.includes("10.222.0.0"));
assertTrue(ml.includes("10.222.0.1"));
assertTrue(ml.includes("10.222.0.255"));
assertTrue(ml.includes("10.222.255.0"));
assertTrue(ml.includes("10.222.255.254"));
assertTrue(ml.includes("10.222.255.255"));
assertFalse(ml.includes("10.223.0.0"));
assertTrue(ml.includes("10.241.23.0"));
assertTrue(ml.includes("10.241.23.1"));
assertTrue(ml.includes("10.241.23.254"));
assertTrue(ml.includes("10.241.23.255"));
//test for exclusion with an unknown IP
assertFalse(ml.includes("10.119.103.111"));
}
@Test
public void testCIDRWith16bitmask() {
//create MachineList with a list of of ip ranges specified in CIDR format
MachineList ml = new MachineList(CIDR_LIST1);
//test for inclusion/exclusion
assertFalse(ml.includes("10.221.255.255"));
assertTrue(ml.includes("10.222.0.0"));
assertTrue(ml.includes("10.222.0.1"));
assertTrue(ml.includes("10.222.0.255"));
assertTrue(ml.includes("10.222.255.0"));
assertTrue(ml.includes("10.222.255.254"));
assertTrue(ml.includes("10.222.255.255"));
assertFalse(ml.includes("10.223.0.0"));
//test for exclusion with an unknown IP
assertFalse(ml.includes("10.119.103.111"));
}
@Test
public void testCIDRWith8BitMask() {
//create MachineList with a list of of ip ranges specified in CIDR format
MachineList ml = new MachineList(CIDR_LIST2);
//test for inclusion/exclusion
assertFalse(ml.includes("10.241.22.255"));
assertTrue(ml.includes("10.241.23.0"));
assertTrue(ml.includes("10.241.23.1"));
assertTrue(ml.includes("10.241.23.254"));
assertTrue(ml.includes("10.241.23.255"));
assertFalse(ml.includes("10.241.24.0"));
//test for exclusion with an unknown IP
assertFalse(ml.includes("10.119.103.111"));
}
//test invalid cidr
@Test
public void testInvalidCIDR() {
//create MachineList with an Invalid CIDR
try {
new MachineList(INVALID_CIDR);
fail("Expected IllegalArgumentException");
} catch (IllegalArgumentException e) {
//expected Exception
} catch (Throwable t) {
fail ("Expected only IllegalArgumentException");
}
}
//
@Test
public void testIPandCIDRs() {
//create MachineList with a list of of ip ranges and ip addresses
MachineList ml = new MachineList(IP_CIDR_LIST);
//test for inclusion with an known IP
assertTrue(ml.includes("10.119.103.112"));
//test for exclusion with an unknown IP
assertFalse(ml.includes("10.119.103.111"));
//CIDR Ranges
assertFalse(ml.includes("10.221.255.255"));
assertTrue(ml.includes("10.222.0.0"));
assertTrue(ml.includes("10.222.255.255"));
assertFalse(ml.includes("10.223.0.0"));
assertFalse(ml.includes("10.241.22.255"));
assertTrue(ml.includes("10.241.23.0"));
assertTrue(ml.includes("10.241.23.255"));
assertFalse(ml.includes("10.241.24.0"));
}
@Test
public void testHostNameIPandCIDRs() {
//create MachineList with a mix of ip addresses , hostnames and ip ranges
MachineList ml = new MachineList(HOSTNAME_IP_CIDR_LIST);
//test for inclusion with an known IP
assertTrue(ml.includes("10.119.103.112"));
//test for exclusion with an unknown IP
assertFalse(ml.includes("10.119.103.111"));
//CIDR Ranges
assertFalse(ml.includes("10.221.255.255"));
assertTrue(ml.includes("10.222.0.0"));
assertTrue(ml.includes("10.222.255.255"));
assertFalse(ml.includes("10.223.0.0"));
assertFalse(ml.includes("10.241.22.255"));
assertTrue(ml.includes("10.241.23.0"));
assertTrue(ml.includes("10.241.23.255"));
assertFalse(ml.includes("10.241.24.0"));
}
@Test
public void testGetCollection() {
//create MachineList with a mix of ip addresses , hostnames and ip ranges
MachineList ml = new MachineList(HOSTNAME_IP_CIDR_LIST);
Collection<String> col = ml.getCollection();
//test getCollectionton to return the full collection
assertEquals(7,ml.getCollection().size());
for (String item:StringUtils.getTrimmedStringCollection(HOSTNAME_IP_CIDR_LIST)) {
assertTrue(col.contains(item));
}
}
}