Inistial commit

1 files changed, 34 insertions, 0 deletions

diff --git a/hadoop.install b/hadoop.install
new file mode 100644
index 000000000000..48536c51c471
--- /dev/null
+++ b/hadoop.install
@@ -0,0 +1,34 @@
+post_install() {
+  getent group hadoop &>/dev/null || groupadd -r hadoop >/dev/null
+  getent passwd hadoop &>/dev/null || useradd -r -g hadoop -d /etc/hadoop hadoop >/dev/null
+
+  if [ ! -d /etc/hadoop/.ssh ] ; then
+    mkdir -p /etc/hadoop/.ssh
+  fi
+
+  chown -R hadoop:hadoop /etc/hadoop
+
+  if [ ! -e /etc/hadoop/.ssh/id_rsa ] ; then
+    su -s /bin/bash -c "ssh-keygen -t rsa -N '' -f ~/.ssh/id_rsa" - hadoop
+    su -s /bin/bash -c "cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys" - hadoop
+  fi
+
+  echo "An SSH key-pair has been created. Depending on your SSHD configuration you may"
+  echo "need to connect to localhost as user 'hadoop' to make sure Hadoop can connect."
+  echo ""
+  echo "$ ssh localhost"
+
+  echo ""
+  echo "===> Read https://wiki.archlinux.org/index.php/Hadoop for more information"
+  true
+}
+
+post_upgrade() {
+  true
+}
+
+post_remove() {
+  getent passwd hadoop &>/dev/null && userdel hadoop >/dev/null
+  getent group hadoop &>/dev/null && groupdel hadoop >/dev/null
+  true
+}