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#!/bin/sh
set -e
KERBEROS=${KERBEROS-"false"}
AES=${AES-"false"}
if [ "$DATA_TRANSFER_PROTECTION" = "privacy" ]; then
KERBEROS="true"
ENCRYPT_DATA_TRANSFER="true"
ENCRYPT_DATA_TRANSFER_ALG="rc4"
if [ "$AES" = "true" ]; then
ENCRYPT_DATA_TRANSFER_CIPHER="AES/CTR/NoPadding"
fi
else
ENCRYPT_DATA_TRANSFER="false"
fi
CONF_AUTHENTICATION="simple"
KERBEROS_REALM="EXAMPLE.COM"
KERBEROS_PRINCIPLE="administrator"
KERBEROS_PASSWORD="password1234"
if [ $KERBEROS = "true" ]; then
CONF_AUTHENTICATION="kerberos"
HOSTNAME=$(hostname)
sudo tee /etc/krb5.conf << EOF
[libdefaults]
default_realm = $KERBEROS_REALM
dns_lookup_realm = false
dns_lookup_kdc = false
[realms]
$KERBEROS_REALM = {
kdc = localhost
admin_server = localhost
}
[logging]
default = FILE:/var/log/krb5libs.log
kdc = FILE:/var/log/krb5kdc.log
admin_server = FILE:/var/log/kadmind.log
[domain_realm]
.localhost = $KERBEROS_REALM
localhost = $KERBEROS_REALM
EOF
sudo mkdir /etc/krb5kdc
sudo printf '*/*@%s\t*' "$KERBEROS_REALM" | sudo tee /etc/krb5kdc/kadm5.acl
sudo apt-get update
sudo apt-get install -y krb5-user krb5-kdc krb5-admin-server
printf "$KERBEROS_PASSWORD\n$KERBEROS_PASSWORD" | sudo kdb5_util -r "$KERBEROS_REALM" create -s
for p in nn dn $USER gohdfs1 gohdfs2; do
sudo kadmin.local -q "addprinc -randkey $p/$HOSTNAME@$KERBEROS_REALM"
sudo kadmin.local -q "addprinc -randkey $p/localhost@$KERBEROS_REALM"
sudo kadmin.local -q "xst -k /tmp/$p.keytab $p/$HOSTNAME@$KERBEROS_REALM"
sudo kadmin.local -q "xst -k /tmp/$p.keytab $p/localhost@$KERBEROS_REALM"
sudo chmod +rx /tmp/$p.keytab
done
echo "Restarting krb services..."
sudo service krb5-kdc restart
sudo service krb5-admin-server restart
kinit -kt /tmp/$USER.keytab "$USER/localhost@$KERBEROS_REALM"
# The go tests need ccache files for these principles in a specific place.
for p in $USER gohdfs1 gohdfs2; do
kinit -kt "/tmp/$p.keytab" -c "/tmp/krb5cc_gohdfs_$p" "$p/localhost@$KERBEROS_REALM"
done
fi
URL="https://dlcdn.apache.org/hadoop/core/hadoop-${HADOOP_VERSION}/hadoop-${HADOOP_VERSION}.tar.gz"
echo "Downloading $URL"
curl -o hadoop.tar.gz $URL
tar zxf hadoop.tar.gz
HADOOP_ROOT="hadoop-${HADOOP_VERSION}/"
mkdir -p /tmp/hdfs/name /tmp/hdfs/data
sudo tee $HADOOP_ROOT/etc/hadoop/core-site.xml <<EOF
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://localhost:9000</value>
</property>
<property>
<name>hadoop.security.authentication</name>
<value>$CONF_AUTHENTICATION</value>
</property>
<property>
<name>hadoop.security.authorization</name>
<value>$KERBEROS</value>
</property>
<property>
<name>dfs.namenode.keytab.file</name>
<value>/tmp/nn.keytab</value>
</property>
<property>
<name>dfs.namenode.kerberos.principal</name>
<value>nn/localhost@$KERBEROS_REALM</value>
</property>
<property>
<name>dfs.web.authentication.kerberos.principal</name>
<value>nn/localhost@$KERBEROS_REALM</value>
</property>
<property>
<name>dfs.datanode.keytab.file</name>
<value>/tmp/dn.keytab</value>
</property>
<property>
<name>dfs.datanode.kerberos.principal</name>
<value>dn/localhost@$KERBEROS_REALM</value>
</property>
<property>
<name>hadoop.rpc.protection</name>
<value>$RPC_PROTECTION</value>
</property>
</configuration>
EOF
sudo tee $HADOOP_ROOT/etc/hadoop/hdfs-site.xml <<EOF
<configuration>
<property>
<name>dfs.namenode.name.dir</name>
<value>/tmp/hdfs/name</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>/tmp/hdfs/data</value>
</property>
<property>
<name>dfs.permissions.superusergroup</name>
<value>hadoop</value>
</property>
<property>
<name>dfs.safemode.extension</name>
<value>0</value>
</property>
<property>
<name>dfs.safemode.min.datanodes</name>
<value>1</value>
</property>
<property>
<name>dfs.block.access.token.enable</name>
<value>$KERBEROS</value>
</property>
<property>
<name>ignore.secure.ports.for.testing</name>
<value>true</value>
</property>
<property>
<name>dfs.data.transfer.protection</name>
<value>$DATA_TRANSFER_PROTECTION</value>
</property>
<property>
<name>dfs.encrypt.data.transfer</name>
<value>$ENCRYPT_DATA_TRANSFER</value>
</property>
<property>
<name>dfs.encrypt.data.transfer.algorithm</name>
<value>$ENCRYPT_DATA_TRANSFER_ALG</value>
</property>
<property>
<name>dfs.encrypt.data.transfer.cipher.suites</name>
<value>$ENCRYPT_DATA_TRANSFER_CIPHER</value>
</property>
</configuration>
EOF
$HADOOP_ROOT/bin/hdfs namenode -format
sudo groupadd hadoop
sudo usermod -a -G hadoop $USER
echo "Starting namenode..."
$HADOOP_ROOT/bin/hdfs namenode > /tmp/hdfs/namenode.log 2>&1 &
echo "Starting datanode..."
$HADOOP_ROOT/bin/hdfs datanode > /tmp/hdfs/datanode.log 2>&1 &
sleep 5
echo "Waiting for cluster to exit safe mode..."
$HADOOP_ROOT/bin/hdfs dfsadmin -safemode wait
echo "HADOOP_CONF_DIR=$(pwd)/$HADOOP_ROOT/etc/hadoop" >> $GITHUB_ENV
echo "$(pwd)/$HADOOP_ROOT/bin" >> $GITHUB_PATH
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