140 lines
4.1 KiB
Bash
140 lines
4.1 KiB
Bash
#!/bin/bash
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#
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# lib/etcd3
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#
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# Functions to control the installation and configuration of etcd 3.x
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# that provides a key-value store (and possibly other functions).
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# Dependencies:
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#
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# - ``functions`` file
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# ``stack.sh`` calls the entry points in this order:
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#
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# - start_etcd3
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# - stop_etcd3
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# - cleanup_etcd3
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# Save trace setting
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_XTRACE_ETCD3=$(set +o | grep xtrace)
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set +o xtrace
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# Defaults
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# --------
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# Set up default values for etcd
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ETCD_DOWNLOAD_URL=${ETCD_DOWNLOAD_URL:-https://github.com/coreos/etcd/releases/download}
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ETCD_VERSION=${ETCD_VERSION:-v3.1.7}
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ETCD_DATA_DIR="$DEST/data/etcd"
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ETCD_SYSTEMD_SERVICE="devstack@etcd.service"
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ETCD_BIN_DIR="$DEST/bin"
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ETCD_SHA256_AMD64="4fde194bbcd259401e2b5c462dfa579ee7f6af539f13f130b8f5b4f52e3b3c52"
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# NOTE(sdague): etcd v3.1.7 doesn't have anything for these architectures, though 3.2.0 does.
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ETCD_SHA256_ARM64=""
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ETCD_SHA256_PPC64=""
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ETCD_PORT=2379
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if is_ubuntu ; then
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UBUNTU_RELEASE_BASE_NUM=`lsb_release -r | awk '{print $2}' | cut -d '.' -f 1`
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fi
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# start_etcd3() - Starts to run the etcd process
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function start_etcd3 {
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local cmd="$ETCD_BIN_DIR/etcd"
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cmd+=" --name $HOSTNAME --data-dir $ETCD_DATA_DIR"
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cmd+=" --initial-cluster-state new --initial-cluster-token etcd-cluster-01"
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cmd+=" --initial-cluster $HOSTNAME=http://$SERVICE_HOST:2380"
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cmd+=" --initial-advertise-peer-urls http://$SERVICE_HOST:2380"
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cmd+=" --advertise-client-urls http://${HOST_IP}:$ETCD_PORT"
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cmd+=" --listen-peer-urls http://0.0.0.0:2380 "
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cmd+=" --listen-client-urls http://${HOST_IP}:$ETCD_PORT"
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local unitfile="$SYSTEMD_DIR/$ETCD_SYSTEMD_SERVICE"
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write_user_unit_file $ETCD_SYSTEMD_SERVICE "$cmd" "" "root"
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iniset -sudo $unitfile "Unit" "After" "network.target"
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iniset -sudo $unitfile "Service" "Type" "notify"
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iniset -sudo $unitfile "Service" "Restart" "on-failure"
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iniset -sudo $unitfile "Service" "LimitNOFILE" "65536"
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$SYSTEMCTL daemon-reload
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$SYSTEMCTL enable $ETCD_SYSTEMD_SERVICE
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$SYSTEMCTL start $ETCD_SYSTEMD_SERVICE
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}
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# stop_etcd3() stops the etcd3 process
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function stop_etcd3 {
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# Don't install in sub nodes (multinode scenario)
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if [ "$SERVICE_HOST" != "$HOST_IP" ]; then
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return
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fi
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$SYSTEMCTL stop $ETCD_SYSTEMD_SERVICE
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}
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function cleanup_etcd3 {
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# Don't install in sub nodes (multinode scenario)
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if [ "$SERVICE_HOST" != "$HOST_IP" ]; then
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return
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fi
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$SYSTEMCTL disable $ETCD_SYSTEMD_SERVICE
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local unitfile="$SYSTEMD_DIR/$ETCD_SYSTEMD_SERVICE"
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sudo rm -f $unitfile
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$SYSTEMCTL daemon-reload
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sudo rm -rf $ETCD_DATA_DIR
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}
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function install_etcd3 {
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echo "Installing etcd"
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# Make sure etcd3 downloads the correct architecture
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if is_arch "x86_64"; then
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ETCD_ARCH="amd64"
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ETCD_SHA256=${ETCD_SHA256:-$ETCD_SHA256_AMD64}
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elif is_arch "aarch64"; then
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ETCD_ARCH="arm64"
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ETCD_SHA256=${ETCD_SHA256:-$ETCD_SHA256_ARM64}
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elif is_arch "ppc64le"; then
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ETCD_ARCH="ppc64le"
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ETCD_SHA256=${ETCD_SHA256:-$ETCD_SHA256_PPC64}
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else
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exit_distro_not_supported "invalid hardware type - $ETCD_ARCH"
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fi
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ETCD_NAME=etcd-$ETCD_VERSION-linux-$ETCD_ARCH
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# Create the necessary directories
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sudo mkdir -p $ETCD_BIN_DIR
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sudo mkdir -p $ETCD_DATA_DIR
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# Download and cache the etcd tgz for subsequent use
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if [ ! -f "$FILES/etcd-$ETCD_VERSION-linux-$ETCD_ARCH/etcd" ]; then
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ETCD_DOWNLOAD_FILE=$ETCD_NAME.tar.gz
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if [ ! -f "$FILES/$ETCD_DOWNLOAD_FILE" ]; then
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wget $ETCD_DOWNLOAD_URL/$ETCD_VERSION/$ETCD_DOWNLOAD_FILE -O $FILES/$ETCD_DOWNLOAD_FILE
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fi
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echo "${ETCD_SHA256} $FILES/${ETCD_DOWNLOAD_FILE}" > $FILES/etcd.sha256sum
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# NOTE(sdague): this should go fatal if this fails
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sha256sum -c $FILES/etcd.sha256sum
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tar xzvf $FILES/$ETCD_DOWNLOAD_FILE -C $FILES
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sudo cp $FILES/$ETCD_NAME/etcd $ETCD_BIN_DIR/etcd
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fi
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if [ ! -f "$ETCD_BIN_DIR/etcd" ]; then
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sudo cp $FILES/$ETCD_NAME/etcd $ETCD_BIN_DIR/etcd
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fi
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}
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# Restore xtrace
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$_XTRACE_ETCD3
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# Tell emacs to use shell-script-mode
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## Local variables:
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## mode: shell-script
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## End:
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