dc7ebbb9a4
While installing devstack in XenServer's DomU we can easily track the output so end-users have much more visibility of both what is going on and what (if anything!) went wrong. Change-Id: I7d12a13cea9dffda6c1388ce711b6adf76cae72c
416 lines
13 KiB
Bash
Executable File
416 lines
13 KiB
Bash
Executable File
#!/bin/bash
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# This script must be run on a XenServer or XCP machine
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#
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# It creates a DomU VM that runs OpenStack services
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#
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# For more details see: README.md
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set -o errexit
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set -o nounset
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set -o xtrace
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export LC_ALL=C
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# Abort if localrc is not set
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if [ ! -e ../../localrc ]; then
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echo "You must have a localrc with ALL necessary passwords defined before proceeding."
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echo "See the xen README for required passwords."
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exit 1
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fi
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# This directory
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THIS_DIR=$(cd $(dirname "$0") && pwd)
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# Source lower level functions
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. $THIS_DIR/../../functions
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# Include onexit commands
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. $THIS_DIR/scripts/on_exit.sh
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# xapi functions
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. $THIS_DIR/functions
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# Determine what system we are running on.
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# Might not be XenServer if we're using xenserver-core
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GetDistro
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#
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# Get Settings
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#
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# Source params - override xenrc params in your localrc to suit your taste
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source $THIS_DIR/xenrc
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xe_min()
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{
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local cmd="$1"
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shift
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xe "$cmd" --minimal "$@"
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}
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#
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# Prepare Dom0
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# including installing XenAPI plugins
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#
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cd $THIS_DIR
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# Die if multiple hosts listed
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if have_multiple_hosts; then
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cat >&2 << EOF
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ERROR: multiple hosts found. This might mean that the XenServer is a member
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of a pool - Exiting.
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EOF
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exit 1
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fi
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# Install plugins
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## Install the netwrap xapi plugin to support agent control of dom0 networking
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if [[ "$ENABLED_SERVICES" =~ "q-agt" && "$Q_PLUGIN" = "openvswitch" ]]; then
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NEUTRON_ZIPBALL_URL=${NEUTRON_ZIPBALL_URL:-$(zip_snapshot_location $NEUTRON_REPO $NEUTRON_BRANCH)}
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EXTRACTED_NEUTRON=$(extract_remote_zipball "$NEUTRON_ZIPBALL_URL")
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install_xapi_plugins_from "$EXTRACTED_NEUTRON"
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rm -rf "$EXTRACTED_NEUTRON"
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fi
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#
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# Configure Networking
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#
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MGT_NETWORK=`xe pif-list management=true params=network-uuid minimal=true`
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MGT_BRIDGE_OR_NET_NAME=`xe network-list uuid=$MGT_NETWORK params=bridge minimal=true`
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setup_network "$VM_BRIDGE_OR_NET_NAME"
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setup_network "$MGT_BRIDGE_OR_NET_NAME"
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setup_network "$PUB_BRIDGE_OR_NET_NAME"
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# With neutron, one more network is required, which is internal to the
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# hypervisor, and used by the VMs
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if is_service_enabled neutron; then
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setup_network "$XEN_INT_BRIDGE_OR_NET_NAME"
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fi
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if parameter_is_specified "FLAT_NETWORK_BRIDGE"; then
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if [ "$(bridge_for "$VM_BRIDGE_OR_NET_NAME")" != "$(bridge_for "$FLAT_NETWORK_BRIDGE")" ]; then
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cat >&2 << EOF
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ERROR: FLAT_NETWORK_BRIDGE is specified in localrc file, and either no network
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found on XenServer by searching for networks by that value as name-label or
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bridge name or the network found does not match the network specified by
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VM_BRIDGE_OR_NET_NAME. Please check your localrc file.
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EOF
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exit 1
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fi
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fi
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if ! xenapi_is_listening_on "$MGT_BRIDGE_OR_NET_NAME"; then
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cat >&2 << EOF
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ERROR: XenAPI does not have an assigned IP address on the management network.
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please review your XenServer network configuration / localrc file.
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EOF
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exit 1
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fi
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HOST_IP=$(xenapi_ip_on "$MGT_BRIDGE_OR_NET_NAME")
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# Set up ip forwarding, but skip on xcp-xapi
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if [ -a /etc/sysconfig/network ]; then
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if ! grep -q "FORWARD_IPV4=YES" /etc/sysconfig/network; then
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# FIXME: This doesn't work on reboot!
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echo "FORWARD_IPV4=YES" >> /etc/sysconfig/network
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fi
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fi
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# Also, enable ip forwarding in rc.local, since the above trick isn't working
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if ! grep -q "echo 1 >/proc/sys/net/ipv4/ip_forward" /etc/rc.local; then
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echo "echo 1 >/proc/sys/net/ipv4/ip_forward" >> /etc/rc.local
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fi
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# Enable ip forwarding at runtime as well
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echo 1 > /proc/sys/net/ipv4/ip_forward
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#
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# Shutdown previous runs
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#
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DO_SHUTDOWN=${DO_SHUTDOWN:-1}
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CLEAN_TEMPLATES=${CLEAN_TEMPLATES:-false}
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if [ "$DO_SHUTDOWN" = "1" ]; then
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# Shutdown all domU's that created previously
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clean_templates_arg=""
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if $CLEAN_TEMPLATES; then
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clean_templates_arg="--remove-templates"
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fi
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./scripts/uninstall-os-vpx.sh $clean_templates_arg
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# Destroy any instances that were launched
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for uuid in `xe vm-list | grep -1 instance | grep uuid | sed "s/.*\: //g"`; do
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echo "Shutting down nova instance $uuid"
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xe vm-uninstall uuid=$uuid force=true
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done
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# Destroy orphaned vdis
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for uuid in `xe vdi-list | grep -1 Glance | grep uuid | sed "s/.*\: //g"`; do
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xe vdi-destroy uuid=$uuid
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done
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fi
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#
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# Create Ubuntu VM template
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# and/or create VM from template
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#
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GUEST_NAME=${GUEST_NAME:-"DevStackOSDomU"}
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TNAME="jeos_template_for_devstack"
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SNAME_TEMPLATE="jeos_snapshot_for_devstack"
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SNAME_FIRST_BOOT="before_first_boot"
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function wait_for_VM_to_halt {
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set +x
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echo "Waiting for the VM to halt. Progress in-VM can be checked with vncviewer:"
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mgmt_ip=$(echo $XENAPI_CONNECTION_URL | tr -d -c '1234567890.')
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domid=$(get_domid "$GUEST_NAME")
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port=$(xenstore-read /local/domain/$domid/console/vnc-port)
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echo "vncviewer -via root@$mgmt_ip localhost:${port:2}"
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while true; do
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state=$(xe_min vm-list name-label="$GUEST_NAME" power-state=halted)
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if [ -n "$state" ]; then
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break
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else
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echo -n "."
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sleep 20
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fi
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done
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set -x
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}
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templateuuid=$(xe template-list name-label="$TNAME")
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if [ -z "$templateuuid" ]; then
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#
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# Install Ubuntu over network
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#
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UBUNTU_INST_BRIDGE_OR_NET_NAME=${UBUNTU_INST_BRIDGE_OR_NET_NAME:-"$MGT_BRIDGE_OR_NET_NAME"}
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# always update the preseed file, incase we have a newer one
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PRESEED_URL=${PRESEED_URL:-""}
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if [ -z "$PRESEED_URL" ]; then
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PRESEED_URL="${HOST_IP}/devstackubuntupreseed.cfg"
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HTTP_SERVER_LOCATION="/opt/xensource/www"
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if [ ! -e $HTTP_SERVER_LOCATION ]; then
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HTTP_SERVER_LOCATION="/var/www/html"
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mkdir -p $HTTP_SERVER_LOCATION
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fi
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cp -f $THIS_DIR/devstackubuntupreseed.cfg $HTTP_SERVER_LOCATION
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sed \
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-e "s,\(d-i mirror/http/hostname string\).*,\1 $UBUNTU_INST_HTTP_HOSTNAME,g" \
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-e "s,\(d-i mirror/http/directory string\).*,\1 $UBUNTU_INST_HTTP_DIRECTORY,g" \
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-e "s,\(d-i mirror/http/proxy string\).*,\1 $UBUNTU_INST_HTTP_PROXY,g" \
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-i "${HTTP_SERVER_LOCATION}/devstackubuntupreseed.cfg"
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fi
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# Update the template
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$THIS_DIR/scripts/install_ubuntu_template.sh $PRESEED_URL
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# create a new VM from the given template with eth0 attached to the given
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# network
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$THIS_DIR/scripts/install-os-vpx.sh \
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-t "$UBUNTU_INST_TEMPLATE_NAME" \
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-n "$UBUNTU_INST_BRIDGE_OR_NET_NAME" \
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-l "$GUEST_NAME"
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set_vm_memory "$GUEST_NAME" "$OSDOMU_MEM_MB"
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xe vm-start vm="$GUEST_NAME"
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# wait for install to finish
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wait_for_VM_to_halt
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# set VM to restart after a reboot
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vm_uuid=$(xe_min vm-list name-label="$GUEST_NAME")
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xe vm-param-set actions-after-reboot=Restart uuid="$vm_uuid"
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# Make template from VM
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snuuid=$(xe vm-snapshot vm="$GUEST_NAME" new-name-label="$SNAME_TEMPLATE")
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xe snapshot-clone uuid=$snuuid new-name-label="$TNAME"
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else
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#
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# Template already installed, create VM from template
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#
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vm_uuid=$(xe vm-install template="$TNAME" new-name-label="$GUEST_NAME")
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fi
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#
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# Prepare VM for DevStack
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#
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# Install XenServer tools, and other such things
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$THIS_DIR/prepare_guest_template.sh "$GUEST_NAME"
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# Set virtual machine parameters
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set_vm_memory "$GUEST_NAME" "$OSDOMU_MEM_MB"
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# Max out VCPU count for better performance
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max_vcpus "$GUEST_NAME"
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# Wipe out all network cards
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destroy_all_vifs_of "$GUEST_NAME"
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# Add only one interface to prepare the guest template
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add_interface "$GUEST_NAME" "$MGT_BRIDGE_OR_NET_NAME" "0"
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# start the VM to run the prepare steps
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xe vm-start vm="$GUEST_NAME"
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# Wait for prep script to finish and shutdown system
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wait_for_VM_to_halt
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## Setup network cards
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# Wipe out all
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destroy_all_vifs_of "$GUEST_NAME"
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# Tenant network
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add_interface "$GUEST_NAME" "$VM_BRIDGE_OR_NET_NAME" "$VM_DEV_NR"
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# Management network
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add_interface "$GUEST_NAME" "$MGT_BRIDGE_OR_NET_NAME" "$MGT_DEV_NR"
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# Public network
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add_interface "$GUEST_NAME" "$PUB_BRIDGE_OR_NET_NAME" "$PUB_DEV_NR"
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#
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# Inject DevStack inside VM disk
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#
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$THIS_DIR/build_xva.sh "$GUEST_NAME"
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# Attach a network interface for the integration network (so that the bridge
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# is created by XenServer). This is required for Neutron. Also pass that as a
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# kernel parameter for DomU
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if is_service_enabled neutron; then
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attach_network "$XEN_INT_BRIDGE_OR_NET_NAME"
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XEN_INTEGRATION_BRIDGE=$(bridge_for "$XEN_INT_BRIDGE_OR_NET_NAME")
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append_kernel_cmdline \
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"$GUEST_NAME" \
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"xen_integration_bridge=${XEN_INTEGRATION_BRIDGE}"
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fi
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FLAT_NETWORK_BRIDGE="${FLAT_NETWORK_BRIDGE:-$(bridge_for "$VM_BRIDGE_OR_NET_NAME")}"
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append_kernel_cmdline "$GUEST_NAME" "flat_network_bridge=${FLAT_NETWORK_BRIDGE}"
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# Add a separate xvdb, if it was requested
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if [[ "0" != "$XEN_XVDB_SIZE_GB" ]]; then
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vm=$(xe vm-list name-label="$GUEST_NAME" --minimal)
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# Add a new disk
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localsr=$(get_local_sr)
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extra_vdi=$(xe vdi-create \
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name-label=xvdb-added-by-devstack \
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virtual-size="${XEN_XVDB_SIZE_GB}GiB" \
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sr-uuid=$localsr type=user)
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xe vbd-create vm-uuid=$vm vdi-uuid=$extra_vdi device=1
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fi
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# create a snapshot before the first boot
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# to allow a quick re-run with the same settings
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xe vm-snapshot vm="$GUEST_NAME" new-name-label="$SNAME_FIRST_BOOT"
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#
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# Run DevStack VM
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#
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xe vm-start vm="$GUEST_NAME"
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function ssh_no_check {
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ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "$@"
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}
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# Get hold of the Management IP of OpenStack VM
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OS_VM_MANAGEMENT_ADDRESS=$MGT_IP
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if [ $OS_VM_MANAGEMENT_ADDRESS == "dhcp" ]; then
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OS_VM_MANAGEMENT_ADDRESS=$(find_ip_by_name $GUEST_NAME $MGT_DEV_NR)
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fi
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# Get hold of the Service IP of OpenStack VM
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if [ $HOST_IP_IFACE == "eth${MGT_DEV_NR}" ]; then
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OS_VM_SERVICES_ADDRESS=$MGT_IP
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if [ $MGT_IP == "dhcp" ]; then
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OS_VM_SERVICES_ADDRESS=$(find_ip_by_name $GUEST_NAME $MGT_DEV_NR)
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fi
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else
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OS_VM_SERVICES_ADDRESS=$PUB_IP
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if [ $PUB_IP == "dhcp" ]; then
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OS_VM_SERVICES_ADDRESS=$(find_ip_by_name $GUEST_NAME $PUB_DEV_NR)
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fi
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fi
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# Create an ssh-keypair, and set it up for dom0 user
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rm -f /root/dom0key /root/dom0key.pub
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ssh-keygen -f /root/dom0key -P "" -C "dom0"
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DOMID=$(get_domid "$GUEST_NAME")
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xenstore-write /local/domain/$DOMID/authorized_keys/$DOMZERO_USER "$(cat /root/dom0key.pub)"
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xenstore-chmod -u /local/domain/$DOMID/authorized_keys/$DOMZERO_USER r$DOMID
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function run_on_appliance {
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ssh \
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-i /root/dom0key \
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-o UserKnownHostsFile=/dev/null \
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-o StrictHostKeyChecking=no \
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-o BatchMode=yes \
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"$DOMZERO_USER@$OS_VM_MANAGEMENT_ADDRESS" "$@"
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}
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# Wait until we can log in to the appliance
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while ! run_on_appliance true; do
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sleep 1
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done
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# Remove authenticated_keys updater cronjob
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echo "" | run_on_appliance crontab -
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# Generate a passwordless ssh key for domzero user
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echo "ssh-keygen -f /home/$DOMZERO_USER/.ssh/id_rsa -C $DOMZERO_USER@appliance -N \"\" -q" | run_on_appliance
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# Authenticate that user to dom0
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run_on_appliance cat /home/$DOMZERO_USER/.ssh/id_rsa.pub >> /root/.ssh/authorized_keys
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# If we have copied our ssh credentials, use ssh to monitor while the installation runs
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WAIT_TILL_LAUNCH=${WAIT_TILL_LAUNCH:-1}
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COPYENV=${COPYENV:-1}
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if [ "$WAIT_TILL_LAUNCH" = "1" ] && [ -e ~/.ssh/id_rsa.pub ] && [ "$COPYENV" = "1" ]; then
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set +x
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echo "VM Launched - Waiting for devstack to start"
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while ! ssh_no_check -q stack@$OS_VM_MANAGEMENT_ADDRESS "service devstack status | grep -q running"; do
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sleep 10
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done
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echo -n "devstack is running"
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set -x
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# Watch devstack's output
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pid=`ssh_no_check -q stack@$OS_VM_MANAGEMENT_ADDRESS pgrep run.sh`
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ssh_no_check -q stack@$OS_VM_MANAGEMENT_ADDRESS "tail --pid $pid -n +1 -f /tmp/devstack/log/stack.log"
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# Fail if devstack did not succeed
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ssh_no_check -q stack@$OS_VM_MANAGEMENT_ADDRESS 'test -e /var/run/devstack.succeeded'
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set +x
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echo "################################################################################"
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echo ""
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echo "All Finished!"
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echo "You can visit the OpenStack Dashboard"
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echo "at http://$OS_VM_SERVICES_ADDRESS, and contact other services at the usual ports."
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else
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set +x
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echo "################################################################################"
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echo ""
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echo "All Finished!"
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echo "Now, you can monitor the progress of the stack.sh installation by "
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echo "looking at the console of your domU / checking the log files."
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echo ""
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echo "ssh into your domU now: 'ssh stack@$OS_VM_MANAGEMENT_ADDRESS' using your password"
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echo "and then do: 'sudo service devstack status' to check if devstack is still running."
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echo "Check that /var/run/devstack.succeeded exists"
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echo ""
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echo "When devstack completes, you can visit the OpenStack Dashboard"
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echo "at http://$OS_VM_SERVICES_ADDRESS, and contact other services at the usual ports."
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fi
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