aio: more flexible script

we can now chose the install source

Signed-off-by: Sébastien Han <seb@redhat.com>

ceph-aio-no-vagrant.sh

@@ -5,40 +5,112 @@
 # to work properly.
 set -e
 
-if [[ -z $1 ]]; then
-  CEPH_BRANCH_DEFAULT=master
-else
-  CEPH_BRANCH_DEFAULT=$1
-fi
-CEPH_BRANCH=${CEPH_BRANCH:-$CEPH_BRANCH_DEFAULT}
-SUBNET=$(ip r | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/[0-9]\{1,2\}' | head -1)
-MON_IP=$(ip -4 -o a | awk '/eth/ { sub ("/..", "", $4); print $4 }')
 
-if [[ $EUID -ne 0 ]]; then
-    echo "You are NOT running this script as root."
-    echo "You should."
-    echo "Really."
-    echo "PLEASE RUN IT WITH SUDO ONLY :)"
+# VARIABLES
+
+SOURCE=stable
+IP=$(ip -4 -o a | awk '/eth|ens|eno|enp|em|p.p./ { sub ("/..", "", $4); print $4 }' | head -1)
+SUBNET=$(ip r | grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/[0-9]\{1,2\}' | head -1)
+
+
+# FUNCTIONS
+
+show_help() {
+    PROG=$(basename $0)
+    echo ""
+    echo "Usage of ${PROG}:"
+    cat << EOF
+
+None of the following options are mandatory!
+
+-h                 : HELP, show this help & exit
+-s stable          : INSTALL SOURCE, valid values are 'stable' or 'dev' (DEFAULT: stable)
+-b master          : DEV BRANCH, only valid when '-s dev' (DEFAULT: master)
+-i 192.168.0.1     : IP, if not set the first IP of the stack will be used
+-n 192.168.0.0/24  : Subnet, if not set the first subnet of the stack will be used
+
+Examples:
+${PROG} -s stable # installs latest stable version and detects IP/SUBNET
+${PROG} -s stable -i 192.168.0.1 -n 192.168.0.0/24 # installs latest stable version and use the provided IP/SUBNET
+${PROG} -s dev -b master # installs master branch version and detects IP/SUBNET
+${PROG} -s dev -b master -i 192.168.0.1 -n 192.168.0.0/24 # installs master branch version and use the provided IP/SUBNET
+EOF
+}
+
+parse_cmdline() {
+while getopts "hs:b:i:n:" opt; do
+  case $opt in
+    h)
+    show_help
+    exit 0
+    ;;
+    s)
+    SOURCE=${OPTARG}
+    ;;
+    b)
+    BRANCH=${OPTARG}
+    ;;
+    i)
+    IP=${OPTARG}
+    ;;
+    n)
+    SUBNET=${OPTARG}
+    ;;
+   \?)
+      exit 1
+    ;;
+    : )
+      exit 1
+    ;;
+  esac
+done
+
+if [ $# -eq 0 ]; then
+  show_help
+  exit 0
+fi
+
+if [[ ${SOURCE} == 'stable' && ! -z ${BRANCH} ]]; then
+  echo "You can not use a stable install source and a specific branch!"
+  echo "A branch can be specified when a 'dev' source is desired".
+  echo "Run the script with -h for examples."
   exit 1
 fi
 
-sudo bash install-ansible.sh
+}
 
-ssh-keygen -t rsa -N "" -f ~/.ssh/id_rsa
+function install_ansible {
+  sudo bash install-ansible.sh
+}
+
+function ssh_setup {
+  echo -e  'y\n'|ssh-keygen -q -t rsa -N "" -f ~/.ssh/id_rsa
   cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
+}
+
+function cp_var {
   cp group_vars/all.sample group_vars/all
   cp group_vars/osds.sample group_vars/osds
+  cp site.yml.sample site.yml
+}
 
+function populate_vars {
   sed -i "s/#osd_auto_discovery: false/osd_auto_discovery: true/" group_vars/osds
   sed -i "s/#journal_collocation: false/journal_collocation: true/" group_vars/osds
-sed -i "s/#ceph_dev: false/ceph_dev: true/" group_vars/all
   sed -i "s/#pool_default_size: 3/pool_default_size: 2/" group_vars/all
-sed -i "s/#monitor_address: 0.0.0.0/monitor_address: ${MON_IP}/" group_vars/all
+  sed -i "s/#monitor_address: 0.0.0.0/monitor_address: ${IP}/" group_vars/all
   sed -i "s/#journal_size: 0/journal_size: 100/" group_vars/all
   sed -i "s|#public_network: 0.0.0.0\/0|public_network: ${SUBNET}|" group_vars/all
   sed -i "s/#common_single_host_mode: true/common_single_host_mode: true/" group_vars/all
-sed -i "s|#ceph_dev_branch: master|ceph_dev_branch: ${CEPH_BRANCH}|" group_vars/all
+  if [[ ${SOURCE} == 'stable' ]]; then
+    sed -i "s/#ceph_stable: false/ceph_stable: true/" group_vars/all
+  else
+    sed -i "s/#ceph_dev: false/ceph_dev: true/" group_vars/all
+    sed -i "s|#ceph_dev_branch: master|ceph_dev_branch: ${BRANCH}|" group_vars/all
+  fi
+}
 
+function create_inventory {
   cat > /etc/ansible/hosts <<EOF
 [mons]
 localhost
@@ -49,7 +121,19 @@ localhost
 [rgws]
 localhost
 EOF
+}
 
-cp site.yml.sample site.yml
+function test_and_run {
   ansible all -m ping
   ansible-playbook site.yml
+}
+
+
+# MAIN
+parse_cmdline $@
+install_ansible
+ssh_setup
+cp_var
+populate_vars
+create_inventory
+test_and_run

install-ansible.sh

@@ -9,7 +9,7 @@ if ansible --version &> /dev/null ; then
   echo "Ansible is already installed."
   echo "Doing nothing."
   echo "Exiting now."
-  exit 1
+  exit 0
 fi
 
 if [[ $EUID -ne 0 ]]; then