From e2fdc60b7d15c376a6794c550be7f717a74f9a26 Mon Sep 17 00:00:00 2001
From: baba230896 <yatish1996ss@gmail.com>
Date: Thu, 28 May 2020 16:16:51 +0530
Subject: [PATCH] Added common deployment scripts for CFN, GDM and ARM.

---
 azure_scripts/create_universe.sh   | 129 ------------------
 azure_scripts/install_software.sh  | 124 -----------------
 common_scripts/create_universe.sh  | 210 +++++++++++++++++++++++++++++
 common_scripts/install_software.sh | 151 +++++++++++++++++++++
 4 files changed, 361 insertions(+), 253 deletions(-)
 delete mode 100644 azure_scripts/create_universe.sh
 delete mode 100755 azure_scripts/install_software.sh
 create mode 100644 common_scripts/create_universe.sh
 create mode 100644 common_scripts/install_software.sh

diff --git a/azure_scripts/create_universe.sh b/azure_scripts/create_universe.sh
deleted file mode 100644
index 79b844e..0000000
--- a/azure_scripts/create_universe.sh
+++ /dev/null
@@ -1,129 +0,0 @@
-#!/bin/bash
-
-###############################################################################
-#
-# This script configures a list of nodes and creates a universe.
-#
-###############################################################################
-
-
-# Get the name of the cloud
-CLOUD_NAME=$1
-
-# Get the region name
-REGION=$2
-
-# Get the replication factor.
-RF=$3
-echo "Replication factor: $RF"
-
-# Get the list of nodes (ips) used for intra-cluster communication.
-IpArray=($4 $5 $6)
-NODES=${IpArray[*]}
-echo "Creating universe with nodes: [$NODES]"
-
-# Get the AZ for the nodes.
-INSTANCE_ZONE=${7}
-SSH_USER=${8}
-
-YB_HOME=/home/$SSH_USER/yugabyte-db
-YB_MASTER_ADDRESSES=""
-
-idx=0
-node_num=0
-###############################################################################
-# Pick the masters as per the replication factor.
-###############################################################################
-
-for node in $NODES
-do
-    if [ -z $YB_MASTER_ADDRESSES ]; then
-        YB_MASTER_ADDRESSES="$node:7100"
-    else       
-        YB_MASTER_ADDRESSES="$YB_MASTER_ADDRESSES,$node:7100"
-    fi    
-    idx=`expr $idx + 1`
-    node_num=`expr $node_num + 1`;
-done
-
-###############################################################################
-# Setup master addresses across all the nodes.
-###############################################################################
-echo "Finalizing configuration..."
-echo "--master_addresses=${YB_MASTER_ADDRESSES}" >> ${YB_HOME}/master/conf/server.conf
-echo "--tserver_master_addrs=${YB_MASTER_ADDRESSES}" >> ${YB_HOME}/tserver/conf/server.conf
-echo "--replication_factor=${RF}" >> ${YB_HOME}/master/conf/server.conf
-echo "--replication_factor=${RF}" >> ${YB_HOME}/tserver/conf/server.conf
-echo "--default_memory_limit_to_ram_ratio=0.35" >> ${YB_HOME}/master/conf/server.conf
-echo "--default_memory_limit_to_ram_ratio=0.6" >> ${YB_HOME}/tserver/conf/server.conf
-
-###############################################################################
-# Setup placement information if multi-AZ
-###############################################################################
-
-echo "Adding placement flag information ..."
-
-echo "--placement_cloud=${CLOUD_NAME}" >> ${YB_HOME}/master/conf/server.conf
-echo "--placement_cloud=${CLOUD_NAME}" >> ${YB_HOME}/tserver/conf/server.conf
-echo "--placement_region=${REGION}" >> ${YB_HOME}/master/conf/server.conf
-echo "--placement_region=${REGION}" >> ${YB_HOME}/tserver/conf/server.conf
-echo "--placement_zone=${INSTANCE_ZONE}" >> ${YB_HOME}/master/conf/server.conf
-echo "--placement_zone=${INSTANCE_ZONE}" >> ${YB_HOME}/tserver/conf/server.conf
-echo "--use_initial_sys_catalog_snapshot" >> ${YB_HOME}/master/conf/server.conf
-
-
-
-###############################################################################
-# Setup YSQL proxies across all nodes
-###############################################################################
-NODEIP=`curl -H Metadata:true "http://169.254.169.254/metadata/instance/network/interface/0/ipv4/ipAddress/0/privateIpAddress?api-version=2017-08-01&format=text"`
-echo "Enabling YSQL..."
-echo '--start_pgsql_proxy' >> ${YB_HOME}/tserver/conf/server.conf
-echo "--pgsql_proxy_bind_address=${NODEIP}:5433" >> ${YB_HOME}/tserver/conf/server.conf
-
-
-###############################################################################
-# Start the masters.
-###############################################################################
-echo "Starting masters..."
-MASTER_EXE=${YB_HOME}/master/bin/yb-master
-MASTER_OUT=${YB_HOME}/master/master.out
-MASTER_ERR=${YB_HOME}/master/master.err
-nohup ${MASTER_EXE} --flagfile ${YB_HOME}/master/conf/server.conf >>${MASTER_OUT} 2>>${MASTER_ERR} </dev/null &
-  MASTER_CRON_OK="##";
-  MASTER_CRON_OK+=`crontab -l`;
-  MASTER_CRON_PATTERN="start_master.sh"
-  if [[ "$MASTER_CRON_OK" == *${MASTER_CRON_PATTERN}* ]]; then
-    echo "Found master crontab entry at [$node]"
-  else
-    crontab -l | { cat; echo "*/3 * * * * /home/${SSH_USER}/start_master.sh > /dev/null 2>&1"; } | crontab - 
-    echo "Created master crontab entry at [$node]"
-  fi
-
-
-
-###############################################################################
-# Start the tservers.
-###############################################################################
-echo "Starting tservers..."
-echo "export YB_MASTER_ADDRESSES=${YB_MASTER_ADDRESSES}" >> ${YB_HOME}/.yb_env.sh
-TSERVER_EXE=${YB_HOME}/tserver/bin/yb-tserver
-TSERVER_OUT=${YB_HOME}/tserver/tserver.out
-TSERVER_ERR=${YB_HOME}/tserver/tserver.err
-
-echo "Setting LANG and LC_* environment variables on all nodes"
-echo -e 'export LC_ALL=en_US.utf-8 \nexport LANG=en_US.utf-8' > ~/env 
-sudo mv ~/env /etc/environment
-sudo chown root:root /etc/environment
-sudo chmod 0644 /etc/environment
-nohup ${TSERVER_EXE} --flagfile ${YB_HOME}/tserver/conf/server.conf >>${TSERVER_OUT} 2>>${TSERVER_ERR} </dev/null &
-
-  TSERVER_CRON_OK="##";
-  TSERVER_CRON_OK+=`crontab -l`;
-  TSERVER_CRON_PATTERN="start_tserver.sh"
-  if [[ "$TSERVER_CRON_OK" == *${TSERVER_CRON_PATTERN}* ]]; then
-     echo "Found tserver crontab entry at [$node]"
-  else
-     crontab -l | { cat; echo "*/3 * * * * /home/${SSH_USER}/start_tserver.sh > /dev/null 2>&1"; } | crontab - 
-     echo "Created tserver crontab entry at [$node]"
-  fi
diff --git a/azure_scripts/install_software.sh b/azure_scripts/install_software.sh
deleted file mode 100755
index fdb0071..0000000
--- a/azure_scripts/install_software.sh
+++ /dev/null
@@ -1,124 +0,0 @@
-#!/bin/bash
-
-###############################################################################
-#
-# This is a simple script to install yugabyte-db software on a machine.
-#
-###############################################################################
-YB_VERSION=$1
-SSH_USER=$2
-YB_HOME=/home/${SSH_USER}/yugabyte-db
-YB_PACKAGE_URL="https://downloads.yugabyte.com/yugabyte-${YB_VERSION}-linux.tar.gz"
-YB_PACKAGE_NAME="${YB_PACKAGE_URL##*/}"
-
-###############################################################################
-# Create the necessary directories.
-###############################################################################
-mkdir -p ${YB_HOME}/yb-software
-mkdir -p ${YB_HOME}/master/conf
-mkdir -p ${YB_HOME}/tserver/conf
-
-# Save the current directory.
-pushd ${YB_HOME}
-
-###############################################################################
-# Set appropriate ulimits according to https://docs.yugabyte.com/latest/deploy/manual-deployment/system-config/#setting-ulimits
-###############################################################################
-echo "Setting appropriate YB ulimits.."
-
-cat > /tmp/99-yugabyte-limits.conf <<EOF
-$USER	soft 	core	unlimited
-$USER	hard	core 	unlimited
-$USER  	soft	data	unlimited
-$USER	hard	data	unlimited
-$USER	soft	priority	0
-$USER	hard	priority	0
-$USER	soft	fsize	unlimited
-$USER	hard	fsize	unlimited
-$USER	soft	sigpending	119934
-$USER	hard	sigpending	119934
-$USER	soft    memlock	64
-$USER	hard 	memlock	64
-$USER	soft  	nofile	1048576
-$USER	hard  	nofile	1048576
-$USER	soft	stack	8192
-$USER	hard	stack	8192
-$USER	soft	rtprio	0
-$USER	hard	rtprio	0
-$USER	soft	nproc	12000
-$USER	hard	nproc	12000
-EOF
-
-sudo cp /tmp/99-yugabyte-limits.conf /etc/security/limits.d/99-yugabyte-limits.conf
-###############################################################################
-# Download and install the software.
-###############################################################################
-echo "Fetching package $YB_PACKAGE_URL..."
-wget -q $YB_PACKAGE_URL
-
-echo "Extracting package..."
-tar zxvf ${YB_PACKAGE_NAME} > /dev/null
-
-echo "Installing..."
-mv yugabyte-${YB_VERSION} yb-software
-yb-software/yugabyte-${YB_VERSION}/bin/post_install.sh 2>&1 > /dev/null
-
-
-###############################################################################
-# Install master.
-###############################################################################
-pushd master
-for i in ../yb-software/yugabyte-${YB_VERSION}/*
-do
-  YB_TARGET_FILE="${i#../yb-software/yugabyte-${YB_VERSION}/}"
-  if [[ ! -L "${YB_TARGET_FILE}" ]]; then
-     ln -s $i > /dev/null
-  else
-     echo "rm -f ${YB_TARGET_FILE}" >> .master_relink
-     echo "ln -s $i" >> .master_relink
-  fi
-done
-mkdir -p conf
-popd
-
-
-###############################################################################
-# Install tserver.
-###############################################################################
-pushd tserver
-for i in ../yb-software/yugabyte-${YB_VERSION}/*
-do
-  YB_TARGET_FILE="${i#../yb-software/yugabyte-${YB_VERSION}/}"
-  if [[ ! -L "${YB_TARGET_FILE}" ]]; then
-     ln -s $i > /dev/null
-  else
-     echo "rm -f ${YB_TARGET_FILE}" >> .tserver_relink
-     echo "ln -s $i" >> .tserver_relink
-  fi
-done
-mkdir -p conf
-popd
-
-
-###############################################################################
-# Create the data drives.
-###############################################################################
-mkdir -p ${YB_HOME}/data/disk0
-mkdir -p ${YB_HOME}/data/disk1
-if [[ ! -f master/conf/server.conf ]]; then
-   echo "--fs_data_dirs=${YB_HOME}/data/disk0,${YB_HOME}/data/disk1" >> master/conf/server.conf
-fi
-if [[ ! -f tserver/conf/server.conf ]]; then
-   echo "--fs_data_dirs=${YB_HOME}/data/disk0,${YB_HOME}/data/disk1" >> tserver/conf/server.conf
-fi
-# Restore the original directory.
-popd
-
-###############################################################################
-# Create an environment file
-###############################################################################
-echo "YB_HOME=${YB_HOME}" >> ${YB_HOME}/.yb_env.sh
-echo "export PATH='$PATH':${YB_HOME}/master/bin:${YB_HOME}/tserver/bin" >> ${YB_HOME}/.yb_env.sh
-echo "source ${YB_HOME}/.yb_env.sh" >> /home/${USER}/.bash_profile
-chmod 755 ${YB_HOME}/.yb_env.sh
-
diff --git a/common_scripts/create_universe.sh b/common_scripts/create_universe.sh
new file mode 100644
index 0000000..b13ff09
--- /dev/null
+++ b/common_scripts/create_universe.sh
@@ -0,0 +1,210 @@
+#!/bin/bash
+
+###############################################################################
+#
+# This script configures a list of nodes and creates a universe.
+#
+# Usage:
+#   create_universe.sh <cloud_name> <region> <rf> <config ips> <zones> \
+#     <instance zone> <user>
+#       <config ips> : space separated set of ips the nodes should use to talk
+#                      to each other
+###############################################################################
+
+
+# Get the name of the cloud
+CLOUD_NAME=$1
+
+# Get the region name
+REGION=$2
+
+# Get the replication factor.
+RF=$3
+echo "Replication factor: $RF"
+
+# Get the list of nodes (ips) used for intra-cluster communication.
+NODES=$4
+echo "Creating universe with nodes: [$NODES]"
+IFS=" " read -r -a node_array <<< "$NODES"
+
+if [[ "${CLOUD_NAME}" == "AWS" ]]; then
+  # Get the AZ for the nodes.
+  ZONES=$5
+  echo "Creating universe in AZ's: [$ZONES]"
+  IFS=" " read -r -a zone_array <<< "$ZONES"
+  
+  ZONES=$(echo "${ZONES}" | tr ' ' '\n' | sort -u | tr '\n' ' ')
+  echo "Using zones: [ $ZONES ] and zone_array [ ${zone_array[*]} ]"
+  
+  INSTANCE_ZONE=${6}
+  SSH_USER=${7}
+else 
+  INSTANCE_ZONE=${5}
+  SSH_USER=${6}
+fi
+
+case "${CLOUD_NAME}" in
+
+  'AWS')
+    NODEIP="$(curl http://169.254.169.254/latest/meta-data/local-ipv4)"
+    ;;
+
+  'Azure')
+    NODEIP="$(curl -H Metadata:true "http://169.254.169.254/metadata/instance/network/interface/0/ipv4/ipAddress/0/privateIpAddress?api-version=2017-08-01&format=text")"
+    ;;
+
+  'GCP')
+    NODEIP="$(curl http://metadata.google.internal/computeMetadata/v1/instance/network-interfaces/0/ip -H "Metadata-Flavor: Google")"
+    ;;
+
+  *)
+    echo "Invalid Cloud Name"
+    exit 1
+    ;;
+esac
+
+YB_HOME="/home/$SSH_USER/yugabyte-db"
+YB_MASTER_ADDRESSES=""
+
+idx=0
+declare -a master_ips
+###############################################################################
+# Pick the masters as per the replication factor.
+###############################################################################
+used_zones=""
+
+function add_master_ip() {
+  if [ -n "${YB_MASTER_ADDRESSES}" ]; then
+    YB_MASTER_ADDRESSES="$YB_MASTER_ADDRESSES,"
+  fi
+  YB_MASTER_ADDRESSES="$YB_MASTER_ADDRESSES${node_array[$1]}:7100"
+  master_ips+=(${node_array[$1]})
+}
+
+if [[ "${CLOUD_NAME}" == "AWS" ]]; then
+  # Pick node's IP from every zone to ensure a master per zone
+  # Necessary Condition for a master per zone
+  # 1. RF must be greater than or equal to Zones.
+  for node_index in "${!zone_array[@]}"; do
+    if (( idx < RF )); then
+      if [[ "${used_zones}" == *"${zone_array[$node_index]}"* ]]; then
+        continue
+      fi
+  
+      add_master_ip "${node_index}"
+  
+      idx=$(( idx + 1 ))
+      used_zones="$used_zones ${zone_array[$node_index]}"
+    fi
+  done
+  
+  # Pick node's IP and add, to ensure RF = Number of master
+  # If RF > Number of Zones
+  while (( RF - idx > 0 ))
+  do
+    for node_index in "${!node_array[@]}"; do
+      if ! [[ "${master_ips[*]}" == *"${node_array[$node_index]}"* ]]; then
+        add_master_ip "${node_index}"
+        break
+      fi
+    done
+  
+    idx=$(( idx + 1 ))
+  done
+else
+  for node_index in "${!node_array[@]}"; do
+    if (( idx < RF )); then
+      add_master_ip "${node_index}"
+    fi
+    idx=$(( idx + 1 ))
+  done
+fi
+
+echo "Master addresses: $YB_MASTER_ADDRESSES"
+
+
+###############################################################################
+# Setup master addresses across all the nodes.
+###############################################################################
+echo "Finalizing configuration..."
+echo "--master_addresses=${YB_MASTER_ADDRESSES}" >> "${YB_HOME}/master/conf/server.conf"
+echo "--tserver_master_addrs=${YB_MASTER_ADDRESSES}" >> "${YB_HOME}/tserver/conf/server.conf"
+echo "--replication_factor=${RF}" >> "${YB_HOME}/master/conf/server.conf"
+echo "--replication_factor=${RF}" >> "${YB_HOME}/tserver/conf/server.conf"
+echo "--default_memory_limit_to_ram_ratio=0.35" >> "${YB_HOME}/master/conf/server.conf"
+echo "--default_memory_limit_to_ram_ratio=0.6" >> "${YB_HOME}/tserver/conf/server.conf"
+
+###############################################################################
+# Setup placement information if multi-AZ
+###############################################################################
+
+echo "Adding placement flag information ..."
+
+echo "--placement_cloud=${CLOUD_NAME}" >> "${YB_HOME}/master/conf/server.conf"
+echo "--placement_cloud=${CLOUD_NAME}" >> "${YB_HOME}/tserver/conf/server.conf"
+echo "--placement_region=${REGION}" >> "${YB_HOME}/master/conf/server.conf"
+echo "--placement_region=${REGION}" >> "${YB_HOME}/tserver/conf/server.conf"
+echo "--placement_zone=${INSTANCE_ZONE}" >> "${YB_HOME}/master/conf/server.conf"
+echo "--placement_zone=${INSTANCE_ZONE}" >> "${YB_HOME}/tserver/conf/server.conf"
+echo "--use_initial_sys_catalog_snapshot" >> "${YB_HOME}/master/conf/server.conf"
+
+###############################################################################
+# Setup rpc_bind_addresses across all the nodes.
+###############################################################################
+echo "--rpc_bind_addresses=${NODEIP}:7100" >> "${YB_HOME}/master/conf/server.conf"
+echo "--rpc_bind_addresses=${NODEIP}:9100" >> "${YB_HOME}/tserver/conf/server.conf"
+
+###############################################################################
+# Setup YSQL proxies across all nodes
+###############################################################################
+echo "Enabling YSQL..."
+echo '--start_pgsql_proxy' >> "${YB_HOME}/tserver/conf/server.conf"
+echo "--pgsql_proxy_bind_address=${NODEIP}:5433" >> "${YB_HOME}/tserver/conf/server.conf"
+
+###############################################################################
+# Start the masters.
+###############################################################################
+if [[ "${master_ips[*]}" == *"${NODEIP}"* ]]; then
+  echo "Starting masters...${NODEIP}"
+  MASTER_EXE=${YB_HOME}/master/bin/yb-master
+  MASTER_OUT=${YB_HOME}/master/master.out
+  MASTER_ERR=${YB_HOME}/master/master.err
+  nohup "${MASTER_EXE}" --flagfile "${YB_HOME}/master/conf/server.conf" >>"${MASTER_OUT}" 2>>"${MASTER_ERR}" </dev/null &
+    MASTER_CRON_OK="##";
+    MASTER_CRON_OK+="$(crontab -l)";
+    MASTER_CRON_PATTERN="start_master.sh"
+    if [[ "$MASTER_CRON_OK" == *${MASTER_CRON_PATTERN}* ]]; then
+      echo "Found master crontab entry at [${NODEIP}]"
+    else
+      crontab -l | { cat; echo "*/3 * * * * /home/${SSH_USER}/start_master.sh > /dev/null 2>&1"; } | crontab - 
+      echo "Created master crontab entry at [${NODEIP}]"
+    fi
+fi
+
+###############################################################################
+# Start the tservers.
+###############################################################################
+echo "Starting tservers..."
+echo "export YB_MASTER_ADDRESSES=${YB_MASTER_ADDRESSES}" >> "${YB_HOME}/.yb_env.sh"
+TSERVER_EXE=${YB_HOME}/tserver/bin/yb-tserver
+TSERVER_OUT=${YB_HOME}/tserver/tserver.out
+TSERVER_ERR=${YB_HOME}/tserver/tserver.err
+
+echo "Setting LANG and LC_* environment variables on all nodes"
+echo -e 'export LC_ALL=en_US.utf-8 \nexport LANG=en_US.utf-8' > ~/env 
+sudo mv ~/env /etc/environment
+sudo chown root:root /etc/environment
+sudo chmod 0644 /etc/environment
+nohup "${TSERVER_EXE}" --flagfile "${YB_HOME}/tserver/conf/server.conf" >>"${TSERVER_OUT}" 2>>"${TSERVER_ERR}" </dev/null &
+
+  TSERVER_CRON_OK="##";
+  TSERVER_CRON_OK+="$(crontab -l)";
+  TSERVER_CRON_PATTERN="start_tserver.sh"
+  if [[ "$TSERVER_CRON_OK" == *${TSERVER_CRON_PATTERN}* ]]; then
+     echo "Found tserver crontab entry at [${NODEIP}]"
+  else
+     crontab -l | { cat; echo "*/3 * * * * /home/${SSH_USER}/start_tserver.sh > /dev/null 2>&1"; } | crontab - 
+     echo "Created tserver crontab entry at [${NODEIP}]"
+  fi
+
+
diff --git a/common_scripts/install_software.sh b/common_scripts/install_software.sh
new file mode 100644
index 0000000..9140c3a
--- /dev/null
+++ b/common_scripts/install_software.sh
@@ -0,0 +1,151 @@
+#!/bin/bash
+
+###############################################################################
+#
+# This is a simple script to install yugabyte-db software on a machine.
+#
+###############################################################################
+
+YB_VERSION=$1
+YB_HOME=/home/${USER}/yugabyte-db
+YB_PACKAGE_URL="https://downloads.yugabyte.com/yugabyte-${YB_VERSION}-linux.tar.gz"
+YB_PACKAGE_NAME="${YB_PACKAGE_URL##*/}"
+
+###############################################################################
+# Create the necessary directories.
+###############################################################################
+mkdir -p "${YB_HOME}/yb-software"
+mkdir -p "${YB_HOME}/master"
+mkdir -p "${YB_HOME}/tserver"
+
+# Save the current directory.
+pushd "${YB_HOME}"
+
+###############################################################################
+# Set appropriate ulimits according to https://docs.yugabyte.com/latest/deploy/manual-deployment/system-config/#setting-ulimits
+###############################################################################
+echo "Setting appropriate YB ulimits.."
+
+cat > /tmp/99-yugabyte-limits.conf <<EOF
+${USER}    soft    core      unlimited
+${USER}    hard    core      unlimited
+${USER}    soft    data      unlimited
+${USER}    hard    data      unlimited
+${USER}    soft    priority  0
+${USER}    hard    priority  0
+${USER}    soft    fsize	 unlimited
+${USER}    hard    fsize	 unlimited
+${USER}    soft    sigpending	119934
+${USER}    hard    sigpending	119934
+${USER}    soft    memlock	 64
+${USER}    hard    memlock	 64
+${USER}    soft    nofile	 1048576
+${USER}    hard    nofile	 1048576
+${USER}    soft    stack	 8192
+${USER}    hard    stack	 8192
+${USER}    soft    rtprio	 0
+${USER}    hard    rtprio	 0
+${USER}    soft    nproc	 12000
+${USER}    hard    nproc	 12000
+EOF
+
+sudo cp /tmp/99-yugabyte-limits.conf /etc/security/limits.d/99-yugabyte-limits.conf
+
+cat > /tmp/new-system-limits.conf <<EOF
+*    soft    core      unlimited
+*    hard    core      unlimited
+*    soft    data      unlimited
+*    hard    data      unlimited
+*    soft    priority  0
+*    hard    priority  0
+*    soft    fsize     unlimited
+*    hard    fsize     unlimited
+*    soft    sigpending  119934
+*    hard    sigpending  119934
+*    soft    memlock   64
+*    hard    memlock   64
+*    soft    nofile    1048576
+*    hard    nofile    1048576
+*    soft    stack     8192
+*    hard    stack     8192
+*    soft    rtprio    0
+*    hard    rtprio    0
+*    soft    nproc     12000
+*    hard    nproc     12000
+EOF
+
+sudo cp /tmp/new-system-limits.conf /etc/security/limits.conf
+
+###############################################################################
+# Download and install the software.
+###############################################################################
+echo "Fetching package $YB_PACKAGE_URL..."
+wget -q "$YB_PACKAGE_URL"
+
+echo "Extracting package..."
+tar zxvf "${YB_PACKAGE_NAME}" > /dev/null
+
+echo "Installing..."
+mv "yugabyte-${YB_VERSION}" yb-software
+yb-software/"yugabyte-${YB_VERSION}"/bin/post_install.sh 2>&1 > /dev/null
+
+
+###############################################################################
+# Install master.
+###############################################################################
+pushd master
+for i in ../yb-software/"yugabyte-${YB_VERSION}"/*
+do
+  YB_TARGET_FILE="${i#../yb-software/yugabyte-${YB_VERSION}/}"
+  if [[ ! -L "${YB_TARGET_FILE}" ]]; then
+    ln -s "$i" > /dev/null
+  else
+    echo "rm -f ${YB_TARGET_FILE}" >> .master_relink
+    echo "ln -s $i" >> .master_relink
+  fi
+done
+mkdir -p conf
+popd
+
+
+###############################################################################
+# Install tserver.
+###############################################################################
+pushd tserver
+for i in ../yb-software/"yugabyte-${YB_VERSION}"/*
+do
+  YB_TARGET_FILE="${i#../yb-software/yugabyte-${YB_VERSION}/}"
+  if [[ ! -L "${YB_TARGET_FILE}" ]]; then
+    ln -s "$i" > /dev/null
+  else
+    echo "rm -f ${YB_TARGET_FILE}" >> .tserver_relink
+    echo "ln -s $i" >> .tserver_relink
+  fi
+done
+mkdir -p conf
+popd
+
+
+###############################################################################
+# Create the data drives.
+###############################################################################
+mkdir -p "${YB_HOME}/data/disk0"
+mkdir -p "${YB_HOME}/data/disk1"
+if [[ ! -f master/conf/server.conf ]]; then
+  echo "--fs_data_dirs=${YB_HOME}/data/disk0,${YB_HOME}/data/disk1" >> master/conf/server.conf
+fi
+if [[ ! -f tserver/conf/server.conf ]]; then
+  echo "--fs_data_dirs=${YB_HOME}/data/disk0,${YB_HOME}/data/disk1" >> tserver/conf/server.conf
+fi
+# Restore the original directory.
+popd
+
+###############################################################################
+# Create an environment file
+###############################################################################
+echo "YB_HOME=${YB_HOME}" >> "${YB_HOME}/.yb_env.sh"
+echo "export PATH=$PATH:${YB_HOME}/master/bin:${YB_HOME}/tserver/bin" >> "${YB_HOME}/.yb_env.sh"
+echo "export YB_EDITION=${YB_VERSION}" >> "${YB_HOME}/.yb_env.sh"
+echo "source ${YB_HOME}/.yb_env.sh" >> "/home/${USER}/.bash_profile"
+chmod 755 "${YB_HOME}/.yb_env.sh"
+