Example usage for org.apache.hadoop.fs.permission AclEntry getScope

Introduction

In this page you can find the example usage for org.apache.hadoop.fs.permission AclEntry getScope.

Prototype

public AclEntryScope getScope() 

Source Link

Document

Returns the scope of the ACL entry.

Usage

From source file:alluxio.underfs.hdfs.acl.SupportedHdfsAclProvider.java

License:Apache License

@Override
public Pair<AccessControlList, DefaultAccessControlList> getAcl(FileSystem hdfs, String path)
        throws IOException {
    AclStatus hdfsAcl;//  w  w w  .  j  a va 2s  . c  o m
    Path filePath = new Path(path);
    boolean isDir = hdfs.isDirectory(filePath);
    try {
        hdfsAcl = hdfs.getAclStatus(filePath);
    } catch (AclException e) {
        // When dfs.namenode.acls.enabled is false, getAclStatus throws AclException.
        return new Pair<>(null, null);
    }
    AccessControlList acl = new AccessControlList();
    DefaultAccessControlList defaultAcl = new DefaultAccessControlList();

    acl.setOwningUser(hdfsAcl.getOwner());
    acl.setOwningGroup(hdfsAcl.getGroup());
    defaultAcl.setOwningUser(hdfsAcl.getOwner());
    defaultAcl.setOwningGroup(hdfsAcl.getGroup());
    for (AclEntry entry : hdfsAcl.getEntries()) {
        alluxio.security.authorization.AclEntry.Builder builder = new alluxio.security.authorization.AclEntry.Builder();
        builder.setType(getAclEntryType(entry));
        builder.setSubject(entry.getName() == null ? "" : entry.getName());
        FsAction permission = entry.getPermission();
        if (permission.implies(FsAction.READ)) {
            builder.addAction(AclAction.READ);
        } else if (permission.implies(FsAction.WRITE)) {
            builder.addAction(AclAction.WRITE);
        } else if (permission.implies(FsAction.EXECUTE)) {
            builder.addAction(AclAction.EXECUTE);
        }
        if (entry.getScope().equals(AclEntryScope.ACCESS)) {
            acl.setEntry(builder.build());
        } else {
            // default ACL, must be a directory
            defaultAcl.setEntry(builder.build());
        }
    }
    if (isDir) {
        return new Pair<>(acl, defaultAcl);
    } else {
        // a null defaultACL indicates this is a file
        return new Pair<>(acl, null);
    }
}

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From source file:org.apache.sentry.hdfs.SentryAuthorizationProvider.java

License:Apache License

private void addToACLMap(Map<String, AclEntry> map, Collection<AclEntry> entries) {
    for (AclEntry ent : entries) {
        String key = (ent.getName() == null ? "" : ent.getName()) + ent.getScope() + ent.getType();
        AclEntry aclEntry = map.get(key);
        if (aclEntry == null) {
            map.put(key, ent);/*from  w ww.j a  v  a  2  s .c o m*/
        } else {
            map.put(key,
                    new AclEntry.Builder().setName(ent.getName()).setScope(ent.getScope())
                            .setType(ent.getType())
                            .setPermission(ent.getPermission().or(aclEntry.getPermission())).build());
        }
    }
}

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From source file:org.apache.sentry.hdfs.SentryINodeAttributesProvider.java

License:Apache License

private static void addToACLMap(Map<String, AclEntry> map, Collection<AclEntry> entries) {
    for (AclEntry ent : entries) {
        String key = (ent.getName() == null ? "" : ent.getName()) + ent.getScope() + ent.getType();
        AclEntry aclEntry = map.get(key);
        if (aclEntry == null) {
            map.put(key, ent);//from www.java2  s.  c om
        } else {
            map.put(key,
                    new AclEntry.Builder().setName(ent.getName()).setScope(ent.getScope())
                            .setType(ent.getType())
                            .setPermission(ent.getPermission().or(aclEntry.getPermission())).build());
        }
    }
}

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From source file:org.trustedanalytics.servicebroker.hdfs.plans.provisioning.HdfsProvisioningClient.java

License:Apache License

private void setAclRecursively(String path, AclEntry acl) throws IOException {
    superUserHdfsClient.addAclEntry(path, acl);

    for (String file : superUserHdfsClient.listFiles(path, true)) {
        if (superUserHdfsClient.isDirectory(file) || !acl.getScope().equals(AclEntryScope.DEFAULT))
            superUserHdfsClient.addAclEntry(file, acl);
    }/*from   w ww  .  jav  a2  s  . c  o  m*/
}

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