6ea3bccd81
Agent will still need privs for host bridge manipulations and for this the standard sudo-helper mechanism should hold. Change-Id: Ia61e4a80abaaccfeeaf82564823032b9a910fd3d Closes-Bug: 1651309
98 lines
3.3 KiB
Bash
98 lines
3.3 KiB
Bash
#!/bin/bash
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#
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# functions - networking-vpp driver devstack utility functions
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function install_vpp {
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if is_fedora; then
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sudo tee /etc/yum.repos.d/fdio.repo <<EOF
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[fdio-master]
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name=fd.io master branch latest merge
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baseurl=https://nexus.fd.io/content/repositories/fd.io.$VPP_BRANCH.centos7/
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enabled=1
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gpgcheck=0
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EOF
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sudo yum --enablerepo=fdio-master clean metadata
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elif is_ubuntu; then
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echo "deb [trusted=yes] https://nexus.fd.io/content/repositories/fd.io.$VPP_BRANCH.ubuntu.$os_CODENAME.main/ ./" | sudo tee /etc/apt/sources.list.d/99fd.io.list
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else
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die $LINENO "Can't install VPP on unsupported os: $os_VENDOR"
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fi
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install_package vpp
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# python api package name was renamed in 17.04, try to install both
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install_package vpp-python-api || install_package vpp-api-python
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# plugins are required to support security groups
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install_package vpp-plugins
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if is_set VPP_STARTUP_CONFIG; then
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if [[ -f "$VPP_STARTUP_CONFIG" && -r "$VPP_STARTUP_CONFIG" ]]; then
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sudo cp -f /etc/vpp/startup.conf /etc/vpp/startup.conf.devstack_bak
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sudo cp -f $VPP_STARTUP_CONFIG /etc/vpp/startup.conf
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else
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die $LINENO "VPP config file $VPP_STARTUP_CONFIG not a file or unreadable"
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fi
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elif is_set VPP_INT_PCI_DEV; then
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# We have some very poor skills hacking this file - we add but don't substitute
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# and we don't make any attempt to parse the file, so this works with default
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# configs and not generally otherwise
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user="$(id -un)"
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sudo sed -i "/api-segment *{/a\ \ uid $user" /etc/vpp/startup.conf
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sudo sed -i "/dpdk *{/a\ \ dev $VPP_INT_PCI_DEV" /etc/vpp/startup.conf
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else
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die $LINENO "VPP_STARTUP_CONFIG or VPP_INT_PCI_DEV must be set"
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fi
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}
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function start_vpp {
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is_package_installed vpp || install_vpp
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start_service vpp
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}
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function set_hugepages {
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if is_set NR_HUGEPAGES; then
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system_hugepages="$(cat /proc/meminfo | grep HugePages_Total | awk '{print $2}')"
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die_if_not_set $LINENO system_hugepages "Couldn't determine current system huge page count"
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if [ "$system_hugepages" -lt "$NR_HUGEPAGES" ]; then
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sudo sysctl -w vm.nr_hugepages="$NR_HUGEPAGES"
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system_hugepages=$(cat /proc/meminfo | grep HugePages_Total | awk '{print $2}')
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if [ "$system_hugepages" -ne "$NR_HUGEPAGES" ]; then
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die $LINENO "Failed to set system huge page count to $NR_HUGEPAGES"
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fi
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fi
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fi
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}
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function setup_host_env {
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is_package_installed etcd || install_package etcd
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restart_service etcd
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# This relies on a bunch of etcd state, and if you're stacking and unstacking
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# stale cruft builds up.
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clean_etcd
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set_hugepages
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systemctl is-active vpp || start_vpp
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}
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function clean_etcd() {
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# etcd_host may be complex, so we do our best with it
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if [[ ! "$ETCD_HOST" =~ "://" ]] ; then
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hostarg=""
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for f in $(echo "$ETCD_HOST" | tr "," "\n"); do
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hostarg="$hostarg,http://$f:$ETCD_PORT/"
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done
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# Strip that leading comma
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hostarg="${hostarg:1}"
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else
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hostarg="$ETCD_HOST"
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fi
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args="--endpoints $hostarg"
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# TODO(ijw): deal with username and password
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sleep 2 # settle time for the daemon
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etcdctl rm --recursive /networking-vpp 2>/dev/null
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}
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