Memory optimized

README.md

@@ -50,6 +50,8 @@ Instructions
     This step takes about 10 minutes, it needs an internet connection,
     however the expected downloaded data stays low if using a fresh enough
     appliance.
+6. To lower the memory consumption, run `optimize-memory` which configures
+   horizon, keystone and mysql to use less memory.
 
 ### Building your own
 
@@ -84,7 +86,8 @@ After booting up the virtual machine, start setting up devstack. It takes around
 10 minutes to finish, until then you can get familiar with the environment the
 VM provides you with.
 
-Open up a terminal and run `/opt/devstack/stack.sh`
+Open up a terminal and run `/opt/devstack/stack.sh`. To reduce memory usage in
+your VM, also run `optimize-memory`.
 
 The four main software you will be using from the desktop during the training
 are

Vagrantfile

@@ -2,12 +2,14 @@ Vagrant.configure(2) do |config|
     config.vm.hostname = "upstream-training"
     config.vm.box = "ubuntu/xenial64"
     config.vm.provider "virtualbox" do |vb|
-        vb.memory = "5632"
+        vb.memory = "4608"
         vb.cpus = 2
         vb.name = "upstream-training"
         vb.customize ["modifyvm", :id, "--clipboard", "bidirectional"]
         vb.customize ["modifyvm", :id, "--draganddrop", "bidirectional"]
         vb.customize ["modifyvm", :id, "--accelerate3d", "on"]
+        vb.customize ["modifyvm", :id, "--vram", "32"]
+        vb.customize ["modifyvm", :id, "--natnet1", "192.168.10/24"]
     end
     config.vm.provision :shell, inline: "/vagrant/install-base.sh",
         privileged: false, keep_color: true
@@ -17,6 +19,8 @@ Vagrant.configure(2) do |config|
         privileged: false, keep_color: true
     config.vm.provision :shell, inline: "/vagrant/configure-vagrant.sh",
         privileged: false, keep_color: true
+    config.vm.provision :shell, inline: "/vagrant/cleanup.sh",
+        privileged: false, keep_color: true
     config.vm.box_check_update = false
     config.ssh.forward_x11 = true
     config.ssh.forward_agent = true

cleanup.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+# Empty packages cache
+sudo apt clean
+
+# Remove compiled pyc files
+sudo updatedb
+for pyc in $(locate *.pyc); do
+    sudo rm -rf $pyc
+done
+
+# Empty user caches
+rm -rf ~/.cache/*

create-training-box.sh

@@ -4,6 +4,6 @@ vagrant up
 vagrant halt
 
 echo "Creating Virtual Appliance..."
-vboxmanage sharedfolder remove devstack-training --name vagrant
-vboxmanage export devstack-training \
-    -o "dist/devstack-training-$(date +%Y%m%d-%H%M).ova"
+vboxmanage sharedfolder remove upstream-training --name vagrant
+vboxmanage export upstream-training \
+    -o "dist/upstream-training-$(date +%Y%m%d-%H%M).ova"

files/opt/devstack/local.conf

@@ -1,8 +1,4 @@
 [[local|localrc]]
-# Required for Virtualbox standard 'Nat' networking, since devstack cannot
-# determine host ip address
-HOST_IP=10.0.2.15
-
 # This line will be uncommented at the end of devstack setup so that starting up
 # the VM again would not require high network bandwith to check and install
 # packages

files/usr/local/bin/optimize-memory

@@ -0,0 +1,45 @@
+#!/usr/bin/env bash
+
+# Tune mysql
+sudo tee -a /etc/mysql/my.cnf << EOF
+# Courtesy of Morgan Tocker
+# http://www.tocker.ca/2014/03/10/configuring-mysql-to-use-minimal-memory.html
+[mysqld]
+innodb_buffer_pool_size=5M
+innodb_log_buffer_size=256K
+query_cache_size=0
+key_buffer_size=8
+thread_cache_size=0
+host_cache_size=0
+innodb_ft_cache_size=1600000
+innodb_ft_total_cache_size=32000000
+
+# per thread or per operation settings
+thread_stack=131072
+sort_buffer_size=32K
+read_buffer_size=8200
+read_rnd_buffer_size=8200
+max_heap_table_size=16K
+tmp_table_size=1K
+bulk_insert_buffer_size=0
+join_buffer_size=128
+net_buffer_length=1K
+innodb_sort_buffer_size=64K
+
+#settings that relate to the binary log (if enabled)
+binlog_cache_size=4K
+binlog_stmt_cache_size=4K
+
+EOF
+
+sudo service mysql restart
+
+# Set Apache WSGI modules' process and thread count
+sudo sed -i '/WSGIDaemonProcess/s/processes=[0-9]*/processes=1/g' /etc/apache2/sites-available/horizon.conf
+sudo sed -i '/WSGIDaemonProcess/s/threads=[0-9]*/threads=5/g'     /etc/apache2/sites-available/horizon.conf
+
+sudo sed -i '/WSGIDaemonProcess/s/processes=[0-9]*/processes=1/g' /etc/apache2/sites-available/keystone.conf
+
+sudo sed -i '/WSGIDaemonProcess/s/processes=[0-9]*/processes=1/g' /etc/apache2/sites-available/placement-api.conf
+
+sudo service apache2 reload

install-base.sh

@@ -22,8 +22,6 @@ sudo apt install -y git gitk git-gui git-review tig
 # Install basic TUI applications
 sudo apt install -y htop mc tmux
 
-sudo apt clean
-
 # Copy configs
 sudo cp -ar "$REPO/files/etc" /
 sudo cp -ar "$REPO/files/home" /
@@ -31,3 +29,7 @@ sudo chown -R "$USER:$GROUP" /home/
 
 # Set password
 echo "$USER:openstack" | sudo chpasswd
+
+# Copy scripts
+sudo cp -ar "$REPO/files/usr" /
+

install-devstack.sh

@@ -11,7 +11,6 @@ cp -ar "$REPO/files/opt" /
 
 /opt/devstack/stack.sh
 
-sudo apt clean
-
 # Enable OFFLINE mode for next invoking stack.sh to be faster
 sed -i 's/#OFFLINE=/OFFLINE=/' /opt/devstack/local.conf
+

install-gui.sh

@@ -13,4 +13,3 @@ sudo apt install -y firefox xfce4-terminal xfce4-whiskermenu-plugin \
 # Configure virtualbox GUI
 sudo apt install -y virtualbox-guest-dkms virtualbox-guest-x11
 
-sudo apt clean