more documentation
This commit is contained in:
Jesse Andrews
parent
782b99176c
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1 changed files with 67 additions and 26 deletions
93
stack.sh
93
stack.sh
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@ -43,10 +43,12 @@ fi
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# as root, since apache refused to startup serve content from root user). If
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# stack.sh is run as root, it automatically creates a stack user with
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# sudo privileges and runs as that user.
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if [[ $EUID -eq 0 ]]; then
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echo "You are running this script as root."
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# ensure sudo
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# since this script runs as a normal user, we need to give that user
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# ability to run sudo
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apt-get update
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apt-get install -y sudo
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@ -122,6 +124,8 @@ ENABLED_SERVICES=${ENABLED_SERVICES:-g-api,g-reg,key,n-api,n-cpu,n-net,n-sch,n-v
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# an **LXC** based system.
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LIBVIRT_TYPE=${LIBVIRT_TYPE:-kvm}
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# nova supports pluggable schedulers. ``SimpleScheduler`` should work in most
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# cases unless you are working on multi-zone mode.
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SCHEDULER=${SCHEDULER:-nova.scheduler.simple.SimpleScheduler}
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# Use the first IP unless an explicit is set by ``HOST_IP`` environment variable
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@ -133,19 +137,26 @@ fi
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# --------------------------
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PUBLIC_INTERFACE=${PUBLIC_INTERFACE:-eth0}
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VLAN_INTERFACE=${VLAN_INTERFACE:-$PUBLIC_INTERFACE}
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FLOATING_RANGE=${FLOATING_RANGE:-172.24.4.1/28}
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FIXED_RANGE=${FIXED_RANGE:-10.0.0.0/24}
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FIXED_NETWORK_SIZE=${FIXED_NETWORK_SIZE:-256}
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FLOATING_RANGE=${FLOATING_RANGE:-172.24.4.1/28}
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NET_MAN=${NET_MAN:-FlatDHCPManager}
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EC2_DMZ_HOST=${EC2_DMZ_HOST:-$HOST_IP}
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FLAT_NETWORK_BRIDGE=${FLAT_NETWORK_BRIDGE:-br100}
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VLAN_INTERFACE=${VLAN_INTERFACE:-$PUBLIC_INTERFACE}
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# Multi-host is a mode where each compute node runs its own network node. This
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# allows network operations and routing for a VM to occur on the server that is
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# running the VM - removing a SPOF and bandwidth bottleneck.
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MULTI_HOST=${MULTI_HOST:-0}
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# If you are using FlatDHCP on multiple hosts, set the ``FLAT_INTERFACE``
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# variable but make sure that the interface doesn't already have an
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# ip or you risk breaking things.
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FLAT_INTERFACE=${FLAT_INTERFACE:-eth0}
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## FIXME(ja): should/can we check that FLAT_INTERFACE is sane?
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# MySQL & RabbitMQ
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# ----------------
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@ -186,13 +197,6 @@ ADMIN_PASSWORD=${ADMIN_PASSWORD:-`openssl rand -hex 12`}
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#
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# Openstack uses a fair number of other projects.
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# Seed configuration with mysql password so that apt-get install doesn't
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# prompt us for a password upon install.
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cat <<MYSQL_PRESEED | sudo debconf-set-selections
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mysql-server-5.1 mysql-server/root_password password $MYSQL_PASS
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mysql-server-5.1 mysql-server/root_password_again password $MYSQL_PASS
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mysql-server-5.1 mysql-server/start_on_boot boolean true
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MYSQL_PRESEED
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# install apt requirements
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sudo apt-get install -y -q `cat $FILES/apts/* | cut -d\# -f1 | grep -Ev "mysql-server|rabbitmq-server"`
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@ -252,7 +256,7 @@ cp $FILES/screenrc ~/.screenrc
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# Rabbit
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# ---------
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#
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if [[ "$ENABLED_SERVICES" =~ "rabbit" ]]; then
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# Install and start rabbitmq-server
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sudo apt-get install -y -q rabbitmq-server
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@ -262,8 +266,17 @@ fi
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# Mysql
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# ---------
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#
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if [[ "$ENABLED_SERVICES" =~ "mysql" ]]; then
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# Seed configuration with mysql password so that apt-get install doesn't
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# prompt us for a password upon install.
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cat <<MYSQL_PRESEED | sudo debconf-set-selections
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mysql-server-5.1 mysql-server/root_password password $MYSQL_PASS
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mysql-server-5.1 mysql-server/root_password_again password $MYSQL_PASS
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mysql-server-5.1 mysql-server/start_on_boot boolean true
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MYSQL_PRESEED
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# Install and start mysql-server
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sudo apt-get -y -q install mysql-server
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# Update the DB to give user ‘$MYSQL_USER’@’%’ full control of the all databases:
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@ -277,22 +290,23 @@ fi
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# Dashboard
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# ---------
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#
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# Setup the django application to serve via apache/wsgi
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# Setup the django dashboard application to serve via apache/wsgi
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if [[ "$ENABLED_SERVICES" =~ "dash" ]]; then
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# Dash currently imports quantum even if you aren't using it. Instead
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# of installing quantum we can create a simple module that will pass the
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# initial imports
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sudo mkdir -p $DASH_DIR/openstack-dashboard/quantum || true
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sudo touch $DASH_DIR/openstack-dashboard/quantum/__init__.py
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sudo touch $DASH_DIR/openstack-dashboard/quantum/client.py
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mkdir -p $DASH_DIR/openstack-dashboard/quantum || true
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touch $DASH_DIR/openstack-dashboard/quantum/__init__.py
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touch $DASH_DIR/openstack-dashboard/quantum/client.py
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# ``local_settings.py`` is used to override dashboard default settings.
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cp $FILES/dash_settings.py $DASH_DIR/openstack-dashboard/local/local_settings.py
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cd $DASH_DIR/openstack-dashboard
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sudo cp $FILES/dash_settings.py local/local_settings.py
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dashboard/manage.py syncdb
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# create an empty directory that apache uses as docroot
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@ -335,28 +349,42 @@ fi
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# Nova
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# ----
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# We are going to use the sample http middleware configuration from the keystone
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# project to launch nova. This paste config adds the configuration required
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# for nova to validate keystone tokens - except we need to switch the config
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# to use our admin token instead (instead of the token from their sample data).
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sudo sed -e "s,999888777666,$SERVICE_TOKEN,g" -i $KEYSTONE_DIR/examples/paste/nova-api-paste.ini
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if [[ "$ENABLED_SERVICES" =~ "n-cpu" ]]; then
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# attempt to load modules: nbd (network block device - used to manage
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# qcow images) and kvm (hardware based virtualization). If unable to
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# load kvm, set the libvirt type to qemu.
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# Virtualization Configuration
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# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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# attempt to load modules: network block device - used to manage qcow images
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sudo modprobe nbd || true
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# Check for kvm (hardware based virtualization). If unable to load kvm,
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# set the libvirt type to qemu. Note: many systems come with hardware
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# virtualization disabled in BIOS.
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if [[ "$LIBVIRT_TYPE" -eq "kvm" ]]; then
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sudo modprobe kvm || true
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if [ ! -e /dev/kvm ]; then
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echo "WARNING: Switching to QEMU"
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LIBVIRT_TYPE=qemu
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fi
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fi
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# Install and configure **LXC** if specified. LXC is another approach to
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# splitting a system into many smaller parts. LXC uses cgroups and chroot
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# to simulate multiple systems.
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if [[ "$LIBVIRT_TYPE" -eq "lxc" ]]; then
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sudo apt-get install lxc -y
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# lxc requires cgroups to be configured on /cgroup
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sudo mkdir -p /cgroup
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sudo mount none -t cgroup -o cpuacct,memory,devices,cpu,freezer,blkio /cgroup
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if ! grep -q cgroup /etc/fstab; then
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echo none /cgroup cgroup cpuacct,memory,devices,cpu,freezer,blkio 0 0 | sudo tee -a /etc/fstab
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fi
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sudo mount /cgroup
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fi
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# User needs to be member of libvirtd group for nova-compute to use libvirt.
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@ -364,7 +392,11 @@ if [[ "$ENABLED_SERVICES" =~ "n-cpu" ]]; then
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# if kvm wasn't running before we need to restart libvirt to enable it
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sudo /etc/init.d/libvirt-bin restart
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# setup nova instance directory
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# Instance Storage
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# ~~~~~~~~~~~~~~~~
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# Nova stores each instance in its own directory.
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mkdir -p $NOVA_DIR/instances
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# if there is a partition labeled nova-instances use it (ext filesystems
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@ -375,7 +407,7 @@ if [[ "$ENABLED_SERVICES" =~ "n-cpu" ]]; then
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sudo chown -R `whoami` $NOVA_DIR/instances
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fi
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# Clean out the instances directory
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# Clean out the instances directory.
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rm -rf $NOVA_DIR/instances/*
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fi
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@ -419,10 +451,18 @@ if [ -n "$MULTI_HOST" ]; then
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add_nova_flag "--multi_host=$MULTI_HOST"
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fi
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# Nova Database
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# ~~~~~~~~~~~~~
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# All nova components talk to a central database. We will need to do this step
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# only once for an entire cluster.
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if [[ "$ENABLED_SERVICES" =~ "mysql" ]]; then
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# (re)create nova database
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mysql -u$MYSQL_USER -p$MYSQL_PASS -e 'DROP DATABASE IF EXISTS nova;'
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mysql -u$MYSQL_USER -p$MYSQL_PASS -e 'CREATE DATABASE nova;'
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# (re)create nova database
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$NOVA_DIR/bin/nova-manage db sync
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# create a small network
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@ -447,6 +487,7 @@ if [[ "$ENABLED_SERVICES" =~ "key" ]]; then
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sudo sed -e "s,%SQL_CONN%,$BASE_SQL_CONN/keystone,g" -i $KEYSTONE_CONF
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sudo sed -e "s,%DEST%,$DEST,g" -i $KEYSTONE_CONF
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# keystone_data.sh creates our admin user and our ``SERVICE_TOKEN``.
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KEYSTONE_DATA=$KEYSTONE_DIR/bin/keystone_data.sh
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cp $FILES/keystone_data.sh $KEYSTONE_DATA
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sudo sed -e "s,%HOST_IP%,$HOST_IP,g" -i $KEYSTONE_DATA
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