HDFS-14070. Refactor NameNodeWebHdfsMethods to allow better extensibility. Contributed by CR Hota
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@ -337,9 +337,22 @@ protected static DatanodeInfo bestNode(DatanodeInfo[] nodes,
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throw new IOException("No active nodes contain this block");
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}
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private Token<? extends TokenIdentifier> generateDelegationToken(
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final NameNode namenode, final UserGroupInformation ugi,
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public long renewDelegationToken(Token<DelegationTokenIdentifier> token)
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throws IOException {
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ClientProtocol cp = getRpcClientProtocol();
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return cp.renewDelegationToken(token);
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}
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public void cancelDelegationToken(Token<DelegationTokenIdentifier> token)
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throws IOException {
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ClientProtocol cp = getRpcClientProtocol();
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cp.cancelDelegationToken(token);
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}
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public Token<? extends TokenIdentifier> generateDelegationToken(
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final UserGroupInformation ugi,
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final String renewer) throws IOException {
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final NameNode namenode = (NameNode)context.getAttribute("name.node");
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final Credentials c = DelegationTokenSecretManager.createCredentials(
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namenode, ugi, renewer != null? renewer: ugi.getShortUserName());
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if (c == null) {
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@ -384,7 +397,7 @@ private URI redirectURI(ResponseBuilder rb, final NameNode namenode,
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} else {
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//generate a token
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final Token<? extends TokenIdentifier> t = generateDelegationToken(
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namenode, ugi, null);
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ugi, null);
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delegationQuery = "&" + new DelegationParam(t.encodeToUrlString());
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}
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@ -705,7 +718,7 @@ protected Response put(
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validateOpParams(op, delegationTokenArgument);
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final Token<DelegationTokenIdentifier> token = new Token<DelegationTokenIdentifier>();
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token.decodeFromUrlString(delegationTokenArgument.getValue());
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final long expiryTime = cp.renewDelegationToken(token);
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final long expiryTime = renewDelegationToken(token);
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final String js = JsonUtil.toJsonString("long", expiryTime);
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return Response.ok(js).type(MediaType.APPLICATION_JSON).build();
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}
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@ -714,7 +727,7 @@ protected Response put(
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validateOpParams(op, delegationTokenArgument);
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final Token<DelegationTokenIdentifier> token = new Token<DelegationTokenIdentifier>();
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token.decodeFromUrlString(delegationTokenArgument.getValue());
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cp.cancelDelegationToken(token);
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cancelDelegationToken(token);
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return Response.ok().type(MediaType.APPLICATION_OCTET_STREAM).build();
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}
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case MODIFYACLENTRIES: {
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@ -1138,9 +1151,8 @@ protected Response get(
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throw new IllegalArgumentException(delegation.getName()
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+ " parameter is not null.");
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}
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final NameNode namenode = (NameNode)context.getAttribute("name.node");
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final Token<? extends TokenIdentifier> token = generateDelegationToken(
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namenode, ugi, renewer.getValue());
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ugi, renewer.getValue());
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final String setServiceName = tokenService.getValue();
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final String setKind = tokenKind.getValue();
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