Hadoop: store logs during user creation for easier debugging

deployments/hadoop/adduser.sh.tmpl

@@ -16,7 +16,7 @@ NAME=$$1
 
 if [ "$$MASTER" = "$$FQDN" ]; then
 	if ! getent passwd $${NAME} >/dev/null; then
-		useradd -G users -m -s /bin/bash $${NAME} >/dev/null 2>&1
+		useradd -G users -m -s /bin/bash $${NAME} >> ~/hadoop-adduser.log 2>&1
 		echo "$${NAME}@$${REALM}" > /home/$${NAME}/.k5login
 		chown $${NAME}:$${NAME} /home/$${NAME}/.k5login
 	fi
@@ -31,7 +31,7 @@ if [ "$$MASTER" = "$$FQDN" ]; then
 				chmod 0600 /home/$${NAME}/password.txt
 				echo "$$PASSWORD" >> /home/$${NAME}/password.txt
 			fi
-			(echo "$$PASSWORD"; echo $$PASSWORD) | kadmin.local ank +requires_preauth $$NAME >/dev/null
+			(echo "$$PASSWORD"; echo $$PASSWORD) | kadmin.local ank +requires_preauth $$NAME >> ~/hadoop-adduser.log
 		fi
 	fi
 
@@ -64,16 +64,16 @@ if [ "$$MASTER" = "$$FQDN" ]; then
 					echo "create_namespace '$${NAME}'";
 				fi;
 				echo "grant '$${NAME}', 'RWXCA', '@$${NAME}'";
-			) | su hbase -s /bin/bash -p -c 'hbase shell -n' >/dev/null
+			) | su hbase -s /bin/bash -p -c 'hbase shell -n' >> ~/hadoop-adduser.log
 			su hbase -p -c kdestroy
 		else
-			echo "create_namespace '$${NAME}'" | su hbase -s /bin/bash -p -c 'hbase shell -n' >/dev/null
+			echo "create_namespace '$${NAME}'" | su hbase -s /bin/bash -p -c 'hbase shell -n' >> ~/hadoop-adduser.log
 		fi
 	fi
 
 else
 	if ! getent passwd $${NAME} >/dev/null; then
-		useradd -G users -m -s /bin/false $${NAME} >/dev/null 2>&1
+		useradd -G users -m -s /bin/false $${NAME} >> ~/hadoop-adduser.log 2>&1
 	fi
 fi