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HADOOP-16315. ABFS: transform full UPN for named user in AclStatus

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Contributed by Da Zhou

Change-Id: Ibc78322415fcbeff89c06c8586c53f5695550290
This commit is contained in:
Da Zhou 2019-08-09 12:37:27 +01:00 committed by Steve Loughran
parent acffec7a92
commit 43a91f820a
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GPG Key ID: D22CF846DBB162A0
3 changed files with 131 additions and 19 deletions
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17
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/AzureBlobFileSystemStore.java
View File

@ -729,8 +729,8 @@ public void modifyAclEntries(final Path path, final List<AclEntry> aclSpec) thro
path.toString(),
AclEntry.aclSpecToString(aclSpec));
final List<AclEntry> transformedAclEntries = identityTransformer.transformAclEntriesForSetRequest(aclSpec);
final Map<String, String> modifyAclEntries = AbfsAclHelper.deserializeAclSpec(AclEntry.aclSpecToString(transformedAclEntries));
identityTransformer.transformAclEntriesForSetRequest(aclSpec);
final Map<String, String> modifyAclEntries = AbfsAclHelper.deserializeAclSpec(AclEntry.aclSpecToString(aclSpec));
boolean useUpn = AbfsAclHelper.isUpnFormatAclEntries(modifyAclEntries);
final AbfsRestOperation op = client.getAclStatus(AbfsHttpConstants.FORWARD_SLASH + getRelativePath(path, true), useUpn);
@ -756,8 +756,8 @@ public void removeAclEntries(final Path path, final List<AclEntry> aclSpec) thro
path.toString(),
AclEntry.aclSpecToString(aclSpec));
final List<AclEntry> transformedAclEntries = identityTransformer.transformAclEntriesForSetRequest(aclSpec);
final Map<String, String> removeAclEntries = AbfsAclHelper.deserializeAclSpec(AclEntry.aclSpecToString(transformedAclEntries));
identityTransformer.transformAclEntriesForSetRequest(aclSpec);
final Map<String, String> removeAclEntries = AbfsAclHelper.deserializeAclSpec(AclEntry.aclSpecToString(aclSpec));
boolean isUpnFormat = AbfsAclHelper.isUpnFormatAclEntries(removeAclEntries);
final AbfsRestOperation op = client.getAclStatus(AbfsHttpConstants.FORWARD_SLASH + getRelativePath(path, true), isUpnFormat);
@ -835,8 +835,8 @@ public void setAcl(final Path path, final List<AclEntry> aclSpec) throws AzureBl
path.toString(),
AclEntry.aclSpecToString(aclSpec));
final List<AclEntry> transformedAclEntries = identityTransformer.transformAclEntriesForSetRequest(aclSpec);
final Map<String, String> aclEntries = AbfsAclHelper.deserializeAclSpec(AclEntry.aclSpecToString(transformedAclEntries));
identityTransformer.transformAclEntriesForSetRequest(aclSpec);
final Map<String, String> aclEntries = AbfsAclHelper.deserializeAclSpec(AclEntry.aclSpecToString(aclSpec));
final boolean isUpnFormat = AbfsAclHelper.isUpnFormatAclEntries(aclEntries);
final AbfsRestOperation op = client.getAclStatus(AbfsHttpConstants.FORWARD_SLASH + getRelativePath(path, true), isUpnFormat);
@ -875,7 +875,8 @@ public AclStatus getAclStatus(final Path path) throws IOException {
final String permissions = result.getResponseHeader(HttpHeaderConfigurations.X_MS_PERMISSIONS);
final String aclSpecString = op.getResult().getResponseHeader(HttpHeaderConfigurations.X_MS_ACL);
final List<AclEntry> processedAclEntries = AclEntry.parseAclSpec(AbfsAclHelper.processAclString(aclSpecString), true);
final List<AclEntry> aclEntries = AclEntry.parseAclSpec(AbfsAclHelper.processAclString(aclSpecString), true);
identityTransformer.transformAclEntriesForGetRequest(aclEntries, userName, primaryUserGroup);
final FsPermission fsPermission = permissions == null ? new AbfsPermission(FsAction.ALL, FsAction.ALL, FsAction.ALL)
: AbfsPermission.valueOf(permissions);
@ -885,7 +886,7 @@ public AclStatus getAclStatus(final Path path) throws IOException {
aclStatusBuilder.setPermission(fsPermission);
aclStatusBuilder.stickyBit(fsPermission.getStickyBit());
aclStatusBuilder.addEntries(processedAclEntries);
aclStatusBuilder.addEntries(aclEntries);
return aclStatusBuilder.build();
}

73
hadoop-tools/hadoop-azure/src/main/java/org/apache/hadoop/fs/azurebfs/oauth2/IdentityTransformer.java
View File

@ -81,6 +81,7 @@ public IdentityTransformer(Configuration configuration) throws IOException {
* Perform identity transformation for the Get request results in AzureBlobFileSystemStore:
* getFileStatus(), listStatus(), getAclStatus().
* Input originalIdentity can be one of the following:
* <pre>
* 1. $superuser:
* by default it will be transformed to local user/group, this can be disabled by setting
* "fs.azure.identity.transformer.skip.superuser.replacement" to true.
@ -93,7 +94,7 @@ public IdentityTransformer(Configuration configuration) throws IOException {
* 3. User principal name (UPN):
* can be transformed to a short name(localIdentity) if originalIdentity is owner name, and
* "fs.azure.identity.transformer.enable.short.name" is enabled.
*
* </pre>
* @param originalIdentity the original user or group in the get request results: FileStatus, AclStatus.
* @param isUserName indicate whether the input originalIdentity is an owner name or owning group name.
* @param localIdentity the local user or group, should be parsed from UserGroupInformation.
@ -134,7 +135,7 @@ public String transformIdentityForGetRequest(String originalIdentity, boolean is
* Perform Identity transformation when setting owner on a path.
* There are four possible input:
* 1.short name; 2.$superuser; 3.Fully qualified name; 4. principal id.
*
* <pre>
* short name could be transformed to:
* - A service principal id or $superuser, if short name belongs a daemon service
* stated in substitution list AND "fs.azure.identity.transformer.service.principal.id"
@ -142,7 +143,7 @@ public String transformIdentityForGetRequest(String originalIdentity, boolean is
* - Fully qualified name, if "fs.azure.identity.transformer.domain.name" is set in configuration.
*
* $superuser, fully qualified name and principalId should not be transformed.
*
* </pre>
* @param userOrGroup the user or group to be set as owner.
* @return user or group after transformation.
* */
@ -168,6 +169,7 @@ public String transformUserOrGroupForSetRequest(String userOrGroup) {
* Perform Identity transformation when calling setAcl(),removeAclEntries() and modifyAclEntries()
* If the AclEntry type is a user or group, and its name is one of the following:
* 1.short name; 2.$superuser; 3.Fully qualified name; 4. principal id.
* <pre>
* Short name could be transformed to:
* - A service principal id or $superuser, if short name belongs a daemon service
* stated in substitution list AND "fs.azure.identity.transformer.service.principal.id"
@ -176,13 +178,12 @@ public String transformUserOrGroupForSetRequest(String userOrGroup) {
* is set in configuration. This is to make the behavior consistent with HDI.
*
* $superuser, fully qualified name and principal id should not be transformed.
*
* </pre>
* @param aclEntries list of AclEntry
* @return list of AclEntry after the identity transformation.
* */
public List<AclEntry> transformAclEntriesForSetRequest(final List<AclEntry> aclEntries) {
public void transformAclEntriesForSetRequest(final List<AclEntry> aclEntries) {
if (skipUserIdentityReplacement) {
return aclEntries;
return;
}
for (int i = 0; i < aclEntries.size(); i++) {
@ -218,7 +219,63 @@ && shouldUseFullyQualifiedUserName(name)) { // of the user principal
// Replace the original AclEntry
aclEntries.set(i, aclEntryBuilder.build());
}
return aclEntries;
}
/**
* Perform Identity transformation when calling GetAclStatus()
* If the AclEntry type is a user or group, and its name is one of the following:
* <pre>
* 1. $superuser:
* by default it will be transformed to local user/group, this can be disabled by setting
* "fs.azure.identity.transformer.skip.superuser.replacement" to true.
*
* 2. User principal id:
* can be transformed to localUser/localGroup, if this principal id matches the principal id set in
* "fs.azure.identity.transformer.service.principal.id" and localIdentity is stated in
* "fs.azure.identity.transformer.service.principal.substitution.list"
*
* 3. User principal name (UPN):
* can be transformed to a short name(local identity) if originalIdentity is owner name, and
* "fs.azure.identity.transformer.enable.short.name" is enabled.
* </pre>
* @param aclEntries list of AclEntry
* @param localUser local user name
* @param localGroup local primary group
* */
public void transformAclEntriesForGetRequest(final List<AclEntry> aclEntries, String localUser, String localGroup) {
if (skipUserIdentityReplacement) {
return;
}
for (int i = 0; i < aclEntries.size(); i++) {
AclEntry aclEntry = aclEntries.get(i);
String name = aclEntry.getName();
String transformedName = name;
if (name == null || name.isEmpty() || aclEntry.getType().equals(AclEntryType.OTHER) || aclEntry.getType().equals(AclEntryType.MASK)) {
continue;
}
// when type of aclEntry is user or group
if (aclEntry.getType().equals(AclEntryType.USER)) {
transformedName = transformIdentityForGetRequest(name, true, localUser);
} else if (aclEntry.getType().equals(AclEntryType.GROUP)) {
transformedName = transformIdentityForGetRequest(name, false, localGroup);
}
// Avoid unnecessary new AclEntry allocation
if (transformedName.equals(name)) {
continue;
}
AclEntry.Builder aclEntryBuilder = new AclEntry.Builder();
aclEntryBuilder.setType(aclEntry.getType());
aclEntryBuilder.setName(transformedName);
aclEntryBuilder.setScope(aclEntry.getScope());
aclEntryBuilder.setPermission(aclEntry.getPermission());
// Replace the original AclEntry
aclEntries.set(i, aclEntryBuilder.build());
}
}
/**

58
hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestAbfsIdentityTransformer.java
View File

@ -250,9 +250,13 @@ public void transformAclEntriesForSetRequest() throws IOException {
aclEntry(DEFAULT, MASK, ALL) // to make the behavior consistent with HDI.
);
// make a copy
List<AclEntry> aclEntries = Lists.newArrayList(aclEntriesToBeTransformed);
// Default config should not change the identities
IdentityTransformer identityTransformer = getTransformerWithDefaultIdentityConfig(config);
checkAclEntriesList(aclEntriesToBeTransformed, identityTransformer.transformAclEntriesForSetRequest(aclEntriesToBeTransformed));
identityTransformer.transformAclEntriesForSetRequest(aclEntries);
checkAclEntriesList(aclEntriesToBeTransformed, aclEntries);
resetIdentityConfig(config);
// With config
@ -262,6 +266,8 @@ public void transformAclEntriesForSetRequest() throws IOException {
config.set(FS_AZURE_OVERRIDE_OWNER_SP, SERVICE_PRINCIPAL_ID);
identityTransformer = getTransformerWithCustomizedIdentityConfig(config);
identityTransformer.transformAclEntriesForSetRequest(aclEntries);
// expected acl entries
List<AclEntry> expectedAclEntries = Lists.newArrayList(
aclEntry(ACCESS, USER, SERVICE_PRINCIPAL_ID, ALL),
@ -275,8 +281,56 @@ public void transformAclEntriesForSetRequest() throws IOException {
aclEntry(DEFAULT, MASK, ALL)
);
checkAclEntriesList(identityTransformer.transformAclEntriesForSetRequest(aclEntriesToBeTransformed), expectedAclEntries);
checkAclEntriesList(aclEntries, expectedAclEntries);
}
@Test
public void transformAclEntriesForGetRequest() throws IOException {
Configuration config = this.getRawConfiguration();
resetIdentityConfig(config);
List<AclEntry> aclEntriesToBeTransformed = Lists.newArrayList(
aclEntry(ACCESS, USER, FULLY_QUALIFIED_NAME, ALL),
aclEntry(DEFAULT, USER, SUPER_USER, ALL),
aclEntry(DEFAULT, USER, SERVICE_PRINCIPAL_ID, ALL),
aclEntry(DEFAULT, USER, SHORT_NAME, ALL),
aclEntry(DEFAULT, GROUP, SHORT_NAME, ALL),
aclEntry(DEFAULT, OTHER, ALL),
aclEntry(DEFAULT, MASK, ALL)
);
// make a copy
List<AclEntry> aclEntries = Lists.newArrayList(aclEntriesToBeTransformed);
// Default config should not change the identities
IdentityTransformer identityTransformer = getTransformerWithDefaultIdentityConfig(config);
identityTransformer.transformAclEntriesForGetRequest(aclEntries, localUser, localGroup);
checkAclEntriesList(aclEntriesToBeTransformed, aclEntries);
resetIdentityConfig(config);
// With config
config.set(FS_AZURE_OVERRIDE_OWNER_SP_LIST, localUser + ",a,b,c,d");
config.setBoolean(FS_AZURE_FILE_OWNER_ENABLE_SHORTNAME, true);
config.set(FS_AZURE_FILE_OWNER_DOMAINNAME, DOMAIN);
config.set(FS_AZURE_OVERRIDE_OWNER_SP, SERVICE_PRINCIPAL_ID);
identityTransformer = getTransformerWithCustomizedIdentityConfig(config);
// make a copy
aclEntries = Lists.newArrayList(aclEntriesToBeTransformed);
identityTransformer.transformAclEntriesForGetRequest(aclEntries, localUser, localGroup);
// expected acl entries
List<AclEntry> expectedAclEntries = Lists.newArrayList(
aclEntry(ACCESS, USER, SHORT_NAME, ALL), // Full UPN should be transformed to shortName
aclEntry(DEFAULT, USER, localUser, ALL), // $SuperUser should be transformed to shortName
aclEntry(DEFAULT, USER, localUser, ALL), // principal Id should be transformed to local user name
aclEntry(DEFAULT, USER, SHORT_NAME, ALL),
aclEntry(DEFAULT, GROUP, SHORT_NAME, ALL),
aclEntry(DEFAULT, OTHER, ALL),
aclEntry(DEFAULT, MASK, ALL)
);
checkAclEntriesList(aclEntries, expectedAclEntries);
}
private void resetIdentityConfig(Configuration config) {