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startup_ers.sh
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#!/bin/bash
# ------------------------------------------------------------------------
# Copyright 2021 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Description: Google Cloud Platform - SAP Deployment Functions
#
# Version: 2.0.2023021506521676472763
# Build Hash: cac5701db924b1e8b7edb29781b8a989573cc7e4
#
# ------------------------------------------------------------------------
## Check to see if a custom script path was provided by the template
if [[ "${1}" ]]; then
readonly DEPLOY_URL="${1}"
else
readonly DEPLOY_URL="https://storage.googleapis.com/cloudsapdeploy/deploymentmanager/202302150652/dm-templates"
fi
##########################################################################
## Start constants
##########################################################################
TEMPLATE_NAME="NW_HA_ERS"
##########################################################################
## Start includes
##########################################################################
set +e
readonly PRIMARY_NODE_IP=$(gcloud compute instances list --format="csv[no-heading](INTERNAL_IP)" --filter="name=(aigascs-ers1)" --project=aig-sap-dev)
readonly SECONDARY_NODE_IP=$(gcloud compute instances list --format="csv[no-heading](INTERNAL_IP)" --filter="name=(aigascs-ers2)" --project=aig-sap-dev)
main::set_boot_parameters() {
main::errhandle_log_info 'Checking boot paramaters'
## disable selinux
if [[ -e /etc/sysconfig/selinux ]]; then
main::errhandle_log_info "--- Disabling SELinux"
sed -ie 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/sysconfig/selinux
fi
if [[ -e /etc/selinux/config ]]; then
main::errhandle_log_info "--- Disabling SELinux"
sed -ie 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
fi
## work around for LVM boot where LVM volues are not started on certain SLES/RHEL versions
if [[ -e /etc/sysconfig/lvm ]]; then
sed -ie 's/LVM_ACTIVATED_ON_DISCOVERED="disable"/LVM_ACTIVATED_ON_DISCOVERED="enable"/g' /etc/sysconfig/lvm
fi
## Configure cstates and huge pages
if ! grep -q cstate /etc/default/grub ; then
main::errhandle_log_info "--- Update grub"
cmdline=$(grep GRUB_CMDLINE_LINUX_DEFAULT /etc/default/grub | head -1 | sed 's/GRUB_CMDLINE_LINUX_DEFAULT=//g' | sed 's/\"//g')
cp /etc/default/grub /etc/default/grub.bak
grep -v GRUBLINE_LINUX_DEFAULT /etc/default/grub.bak >/etc/default/grub
if [[ $LINUX_DISTRO == "RHEL" ]] && [[ $LINUX_MAJOR_VERSION -ge 8 ]] && [[ $LINUX_MINOR_VERSION -ge 4 ]]; then
# Enable tsx explicitly - SAP note 2777782
echo "GRUB_CMDLINE_LINUX_DEFAULT=\"${cmdline} transparent_hugepage=never intel_idle.max_cstate=1 processor.max_cstate=1 intel_iommu=off tsx=on\"" >>/etc/default/grub
else
echo "GRUB_CMDLINE_LINUX_DEFAULT=\"${cmdline} transparent_hugepage=never intel_idle.max_cstate=1 processor.max_cstate=1 intel_iommu=off\"" >>/etc/default/grub
echo "GRUB_ENABLE_LINUX_LABEL=true" >>/etc/default/grub
echo "GRUB_DEVICE=\"LABEL=ROOT\"" >>/etc/default/grub
fi
grub2-mkconfig -o /boot/grub2/grub.cfg
echo "${HOSTNAME}" >/etc/hostname
main::errhandle_log_info '--- Parameters updated. Rebooting'
reboot
exit 0
fi
}
main::errhandle_log_info() {
local log_entry=${1}
echo "INFO - ${log_entry}"
if [[ -n "${GCLOUD}" ]]; then
timeout 10 ${GCLOUD} --quiet logging write "${HOSTNAME}" "${HOSTNAME} Deployment \"${log_entry}\"" --severity=INFO
fi
}
main::errhandle_log_warning() {
local log_entry=${1}
if [[ -z "${deployment_warnings}" ]]; then
deployment_warnings=1
else
deployment_warnings=$((deployment_warnings +1))
fi
echo "WARNING - ${log_entry}"
if [[ -n "${GCLOUD}" ]]; then
${GCLOUD} --quiet logging write "${HOSTNAME}" "${HOSTNAME} Deployment \"${log_entry}\"" --severity=WARNING
fi
}
main::errhandle_log_error() {
local log_entry=${1}
echo "ERROR - Deployment Exited - ${log_entry}"
if [[ -n "${GCLOUD}" ]]; then
${GCLOUD} --quiet logging write "${HOSTNAME}" "${HOSTNAME} Deployment \"${log_entry}\"" --severity=ERROR
${GCLOUD} --quiet logging write "${HOSTNAME}" "${HOSTNAME} Deployment \"ERROR - Deployment Exited\"" --severity=ERROR
fi
main::complete error
}
main::get_os_version() {
if grep SLES /etc/os-release; then
readonly LINUX_DISTRO="SLES"
elif grep -q "Red Hat" /etc/os-release; then
readonly LINUX_DISTRO="RHEL"
else
main::errhandle_log_warning "Unsupported Linux distribution. Only SLES and RHEL are supported."
fi
readonly LINUX_VERSION=$(grep VERSION_ID /etc/os-release | awk -F '\"' '{ print $2 }')
readonly LINUX_MAJOR_VERSION=$(echo $LINUX_VERSION | awk -F '.' '{ print $1 }')
readonly LINUX_MINOR_VERSION=$(echo $LINUX_VERSION | awk -F '.' '{ print $2 }')
}
main::config_ssh() {
ssh-keygen -m PEM -q -N "" < /dev/zero
sed -ie 's/PermitRootLogin no/PermitRootLogin yes/g' /etc/ssh/sshd_config
service sshd restart
cat /root/.ssh/id_rsa.pub >> /root/.ssh/authorized_keys
/usr/sbin/rcgoogle-accounts-daemon restart || /usr/sbin/rcgoogle-guest-agent restart
}
main::install_ssh_key(){
local host=${1}
local host_zone
host_zone=$(${GCLOUD} compute instances list --filter="name=('${host}')" --format "value(zone)")
main::errhandle_log_info "Installing ${HOSTNAME} SSH key on ${host}"
local count=0
local max_count=10
while ! ${GCLOUD} --quiet compute instances add-metadata "${host}" --metadata "ssh-keys=root:$(cat ~/.ssh/id_rsa.pub)" --zone "${host_zone}"; do
count=$((count +1))
if [ ${count} -gt ${max_count} ]; then
main::errhandle_log_error "Failed to install ${HOSTNAME} SSH key on ${host}, aborting installation."
else
main::errhandle_log_info "Failed to install ${HOSTNAME} SSH key on ${host}, trying again in 5 seconds."
sleep 5s
fi
done
}
main::install_packages() {
main::errhandle_log_info 'Installing required operating system packages'
## SuSE work around to avoid a startup race condition
if [[ ${LINUX_DISTRO} = "SLES" ]]; then
local count=0
## check if SuSE repos are registered
while [[ $(find /etc/zypp/repos.d/ -maxdepth 1 | wc -l) -lt 2 ]]; do
main::errhandle_log_info "--- SuSE repositories are not registered. Waiting 60 seconds before trying again"
sleep 60s
count=$((count +1))
if [ ${count} -gt 30 ]; then
main::errhandle_log_error "SuSE repositories didn't register within an acceptable time. If you are using BYOS, ensure you login to the system and apply the SuSE license within 30 minutes after deployment. If you are using a VM without external IP make sure you set up a NAT gateway to provide internet access."
fi
done
sleep 10s
## check if zypper is still running
while pgrep zypper; do
errhandle_log_info "--- zypper is still running. Waiting 10 seconds before attempting to continue"
sleep 10s
done
fi
## packages to install
local sles_packages="libssh2-1 libopenssl0_9_8 libopenssl1_0_0 tuned krb5-32bit unrar SAPHanaSR SAPHanaSR-doc pacemaker numactl csh python-pip python-pyasn1-modules ndctl python-oauth2client python-oauth2client-gce python-httplib2 python3-httplib2 python3-google-api-python-client python-requests python-google-api-python-client libgcc_s1 libstdc++6 libatomic1 sapconf saptune nvme-cli"
local rhel_packages="unar.x86_64 tuned-profiles-sap-hana tuned-profiles-sap-hana-2.7.1-3.el7_3.3 resource-agents-sap-hana.x86_64 compat-sap-c++-6 numactl-libs.x86_64 libtool-ltdl.x86_64 nfs-utils.x86_64 pacemaker pcs lvm2.x86_64 compat-sap-c++-5.x86_64 csh autofs ndctl compat-sap-c++-9 compat-sap-c++-10 libatomic unzip libsss_autofs python2-pip langpacks-en langpacks-de glibc-all-langpacks libnsl libssh2 wget lsof jq"
## install packages
if [[ ${LINUX_DISTRO} = "SLES" ]]; then
for package in ${sles_packages}; do # Bash only splits unquoted.
local count=0;
local max_count=3;
while ! sudo ZYPP_LOCK_TIMEOUT=60 zypper in -y "${package}"; do
count=$((count +1))
sleep 3
if [[ ${count} -gt ${max_count} ]]; then
main::errhandle_log_warning "Failed to install ${package}, continuing installation."
break
fi
done
done
# making sure we refresh the bash env
. /etc/bash.bashrc
# boto.cfg has spaces in 15sp2, getting rid of them (b/172181835)
if [[ $(tail -n 1 /etc/boto.cfg) == " ca_certificates_file = system" ]]; then
sed -i 's/^[ \t]*//' /etc/boto.cfg
fi
elif [[ ${LINUX_DISTRO} = "RHEL" ]]; then
for package in $rhel_packages; do
local count=0;
local max_count=3;
while ! yum -y install "${package}"; do
count=$((count +1))
sleep 3
if [[ ${count} -gt ${max_count} ]]; then
main::errhandle_log_warning "Failed to install ${package}, continuing installation."
break
fi
done
done
# check for python interpreter - RHEL 8 does not have "python"
main::errhandle_log_info 'Checking for python interpreter'
if [[ ! -f "/bin/python" ]] && [[ -f "/usr/bin/python2" ]]; then
main::errhandle_log_info 'Updating alternatives for python to python2.7'
alternatives --set python /usr/bin/python2
fi
# make sure latest packages are installed (https://cloud.google.com/solutions/sap/docs/sap-hana-ha-config-rhel#install_the_cluster_agents_on_both_nodes)
main::errhandle_log_info 'Applying updates to packages on system'
if ! yum update -y; then
main::errhandle_log_warning 'Applying updates to packages on system failed ("yum update -y"). Logon to the VM to investigate the issue.'
fi
fi
main::errhandle_log_info 'Install of required operating system packages complete'
}
#######################################
# Finds and returns (via 'echo') first device in $by_id_dir that contains
# $searchstring. Works with SCSI (/dev/sdX) and NVME (/dev/nvmeX) devices.
#
# Input: searchstring
# Output: device name
#
# Examples for NVME and SCSI:
# main::get_device_by_id backup
# /dev/nvme0n3 (NVME)
# /dev/sdc (SCSI)
#######################################
main::get_device_by_id() {
local searchstring=${1}
local by_id_dir="/dev/disk/by-id"
local device_name=""
local nvme_script='/usr/lib/udev/google_nvme_id'
device_name=$(readlink -f ${by_id_dir}/$(ls ${by_id_dir} | grep google | grep -m 1 "${searchstring}"))
if [ ${device_name} != ${by_id_dir} ]; then
echo ${device_name}
return
fi
# TODO(franklegler): Remove workaround once b/249894430 is resolved
# On M3 with SLES devices are not yet listed by their name (b/249894430)
# Workaround: Run script to create symlinks ()
if [[ -b /dev/nvme0n1 ]] && [[ -f ${nvme_script} ]]; then
udevadm control --reload-rules && udevadm trigger # b/249894430#comment11
for i in $(ls /dev/nvme0n*); do # b/249894430#comment13
$nvme_script -d $i -s
done
device_name=$(readlink -f ${by_id_dir}/$(ls ${by_id_dir} | grep google | grep -m 1 "${searchstring}"))
if [ ${device_name} != ${by_id_dir} ]; then
echo ${device_name}
return
fi
fi
# End workaround
main::errhandle_log_error "No device containing '${searchstring}' found."
}
main::create_vg() {
local device=${1}
local volume_group=${2}
if [[ -b "$device" ]]; then
main::errhandle_log_info "--- Creating physical volume group ${device}"
pvcreate "${device}"
main::errhandle_log_info "--- Creating volume group ${volume_group} on ${device}"
vgcreate "${volume_group}" "${device}"
/sbin/vgchange -ay
else
main::errhandle_log_error "Unable to access ${device}"
fi
}
main::create_filesystem() {
local mount_point=${1}
local device=${2}
local filesystem=$3
local is_optional_file_system=${4}
if [[ -h /dev/disk/by-id/google-"${HOSTNAME}"-"${device}" ]]; then
main::errhandle_log_info "--- ${mount_point}"
pvcreate /dev/disk/by-id/google-"${HOSTNAME}"-"${device}"
vgcreate vg_"${device}" /dev/disk/by-id/google-"${HOSTNAME}"-"${device}"
lvcreate -l 100%FREE -n vol vg_"${device}"
main::format_mount "${mount_point}" /dev/vg_"${device}"/vol "${filesystem}"
if [[ "${mount_point}" != "swap" ]]; then
main::check_mount "${mount_point}"
fi
elif [[ ${is_optional_file_system:-"notOptional"} == "optional" ]]; then
main::errhandle_log_warning "Unable to create optional file system ${filesystem}."
else
main::errhandle_log_error "Unable to access ${device}"
fi
}
main::check_mount() {
local mount_point=${1}
local on_error=${2}
## check /etc/mtab to see if the filesystem is mounted
if ! grep -q "${mount_point}" /etc/mtab; then
case "${on_error}" in
error)
main::errhandle_log_error "Unable to mount ${mount_point}"
;;
info)
main::errhandle_log_info "Unable to mount ${mount_point}"
;;
warning)
main::errhandle_log_warning "Unable to mount ${mount_point}"
;;
*)
main::errhandle_log_error "Unable to mount ${mount_point}"
esac
fi
}
main::format_mount() {
local mount_point=${1}
local device=${2}
local filesystem=${3}
local options=${4}
if [[ -b "$device" ]]; then
if [[ "${filesystem}" = "swap" ]]; then
echo "${device} none ${filesystem} defaults,nofail 0 0" >>/etc/fstab
mkswap "${device}"
swapon "${device}"
else
main::errhandle_log_info "--- Creating ${mount_point}"
mkfs -t "${filesystem}" "${device}"
mkdir -p "${mount_point}"
if [[ ! "${options}" = "tmp" ]]; then
echo "${device} ${mount_point} ${filesystem} defaults,nofail,logbsize=256k 0 2" >>/etc/fstab
mount -a
else
mount -t "${filesystem}" "${device}" "${mount_point}"
fi
main::check_mount "${mount_point}"
fi
else
main::errhandle_log_error "Unable to access ${device}"
fi
}
main::get_settings() {
main::errhandle_log_info "Fetching GCE Instance Settings"
## set current zone as the default zone
readonly CLOUDSDK_COMPUTE_ZONE=$(main::get_metadata "http://169.254.169.254/computeMetadata/v1/instance/zone" | cut -d'/' -f4)
export CLOUDSDK_COMPUTE_ZONE
main::errhandle_log_info "--- Instance determined to be running in ${CLOUDSDK_COMPUTE_ZONE}. Setting this as the default zone"
readonly VM_REGION=${CLOUDSDK_COMPUTE_ZONE::-2}
## get instance type & details
readonly VM_INSTTYPE=$(main::get_metadata http://169.254.169.254/computeMetadata/v1/instance/machine-type | cut -d'/' -f4)
main::errhandle_log_info "--- Instance type determined to be ${VM_INSTTYPE}"
readonly VM_CPUPLAT=$(main::get_metadata "http://169.254.169.254/computeMetadata/v1/instance/cpu-platform")
main::errhandle_log_info "--- Instance is determined to be part on CPU Platform ${VM_CPUPLAT}"
readonly VM_CPUCOUNT=$(grep -c processor /proc/cpuinfo)
main::errhandle_log_info "--- Instance determined to have ${VM_CPUCOUNT} cores"
readonly VM_MEMSIZE=$(free -g | grep Mem | awk '{ print $2 }')
main::errhandle_log_info "--- Instance determined to have ${VM_MEMSIZE}GB of memory"
readonly VM_PROJECT=$(main::get_metadata "http://169.254.169.254/computeMetadata/v1/project/project-id")
main::errhandle_log_info "--- VM is in project ${VM_PROJECT}"
## get network settings
readonly VM_NETWORK=$(main::get_metadata http://169.254.169.254/computeMetadata/v1/instance/network-interfaces/0/network | cut -d'/' -f4)
main::errhandle_log_info "--- Instance is determined to be part of network ${VM_NETWORK}"
readonly VM_NETWORK_FULL=$(gcloud compute instances describe "${HOSTNAME}" | grep "subnetwork:" | head -1 | grep -o 'projects.*')
readonly VM_SUBNET=$(grep -o 'subnetworks.*' <<< "${VM_NETWORK_FULL}" | cut -f2- -d"/")
main::errhandle_log_info "--- Instance is determined to be part of subnetwork ${VM_SUBNET}"
readonly VM_NETWORK_PROJECT=$(cut -d'/' -f2 <<< "${VM_NETWORK_FULL}")
main::errhandle_log_info "--- Networking is hosted in project ${VM_NETWORK_PROJECT}"
readonly VM_IP=$(main::get_metadata http://169.254.169.254/computeMetadata/v1/instance/network-interfaces/0/ip)
main::errhandle_log_info "--- Instance IP is determined to be ${VM_IP}"
# fetch all custom metadata associated with the instance
main::errhandle_log_info "Fetching GCE Instance Metadata"
local value
local key
declare -g -A VM_METADATA
local uses_secret_password
uses_secret_password="false"
for key in $(curl --fail -sH'Metadata-Flavor: Google' http://169.254.169.254/computeMetadata/v1/instance/attributes/ | grep -v ssh-keys); do
value=$(main::get_metadata "${key}")
if [[ "${key}" = *"password"* ]]; then
main::errhandle_log_info "${key} determined to be *********"
else
main::errhandle_log_info "${key} determined to be '${value}'"
fi
if [[ ${uses_secret_password} == "true" ]] && [[ "${key}" = *"password" ]]; then
continue;
fi
if [[ "${key}" = *"password_secret"* ]]; then
if [[ -z ${value} ]]; then
continue;
fi
uses_secret_password="true"
pass_key=${key::-7} # strips off _secret
secret_ret=$(${GCLOUD} secrets versions access latest --secret="${value}")
VM_METADATA[$pass_key]="${secret_ret}"
else
VM_METADATA[$key]="${value}"
fi
done
# remove startup script
if [[ -n "${VM_METADATA[startup-script]}" ]]; then
main::remove_metadata startup-script
fi
# remove metrics info
if [[ -n "${VM_METADATA[template-type]}" ]]; then
main::remove_metadata template-type
else
VM_METADATA[template-type]="UNKNOWN"
fi
## if the startup script has previously completed, abort execution.
if [[ -n "${VM_METADATA[status]}" ]]; then
main::errhandle_log_info "Startup script has previously been run. Taking no further action."
exit 0
fi
}
main::create_static_ip() {
## attempt to reserve the current IP address as static
if [[ "$VM_NETWORK_PROJECT" == "${VM_PROJECT}" ]]; then
main::errhandle_log_info "Creating static IP address ${VM_IP} in subnetwork ${VM_SUBNET}"
${GCLOUD} --quiet compute --project "${VM_NETWORK_PROJECT}" addresses create "${HOSTNAME}" --addresses "${VM_IP}" --region "${VM_REGION}" --subnet "${VM_SUBNET}"
else
main::errhandle_log_info "Creating static IP address ${VM_IP} in shared VPC ${VM_NETWORK_PROJECT}"
${GCLOUD} --quiet compute --project "${VM_PROJECT}" addresses create "${HOSTNAME}" --addresses "${VM_IP}" --region "${VM_REGION}" --subnet "${VM_NETWORK_FULL}"
fi
}
main::remove_metadata() {
local key=${1}
${GCLOUD} --quiet compute instances remove-metadata "${HOSTNAME}" --keys "${key}"
}
main::install_gsdk() {
local install_location=${1}
local rc
if [[ -e /usr/bin/gsutil ]]; then
# if SDK is installed, link to the standard location for backwards compatibility
if [[ ! -d /usr/local/google-cloud-sdk/bin ]]; then
mkdir -p /usr/local/google-cloud-sdk/bin
fi
if [[ ! -e /usr/local/google-cloud-sdk/bin/gsutil ]]; then
ln -s /usr/bin/gsutil /usr/local/google-cloud-sdk/bin/gsutil
fi
if [[ ! -e /usr/local/google-cloud-sdk/bin/gcloud ]]; then
ln -s /usr/bin/gcloud /usr/local/google-cloud-sdk/bin/gcloud
fi
elif [[ ! -d "${install_location}/google-cloud-sdk" ]]; then
# b/188946979
if [[ "${LINUX_DISTRO}" = "SLES" && "${LINUX_MAJOR_VERSION}" = "12" ]]; then
export CLOUDSDK_PYTHON=/usr/bin/python
fi
bash <(curl -s https://dl.google.com/dl/cloudsdk/channels/rapid/install_google_cloud_sdk.bash) --disable-prompts --install-dir="${install_location}" >/dev/null
rc=$?
if [[ "${rc}" -eq 0 ]]; then
main::errhandle_log_info "Installed Google SDK in ${install_location}"
else
main::errhandle_log_error "Google SDK not correctly installed. Aborting installation."
fi
if [[ ${LINUX_DISTRO} = "SLES" ]]; then
update-alternatives --install /usr/bin/gsutil gsutil /usr/local/google-cloud-sdk/bin/gsutil 1 --force
update-alternatives --install /usr/bin/gcloud gcloud /usr/local/google-cloud-sdk/bin/gcloud 1 --force
fi
fi
readonly GCLOUD="/usr/bin/gcloud"
readonly GSUTIL="/usr/bin/gsutil"
## set default python version for Cloud SDK in SLES, move from 3.4 to 2.7
# b/188946979 - only applicable to SLES12
if [[ ${LINUX_DISTRO} = "SLES" && "${LINUX_MAJOR_VERSION}" = "12" ]]; then
update-alternatives --install /usr/bin/gsutil gsutil /usr/local/google-cloud-sdk/bin/gsutil 1 --force
update-alternatives --install /usr/bin/gcloud gcloud /usr/local/google-cloud-sdk/bin/gcloud 1 --force
export CLOUDSDK_PYTHON=/usr/bin/python
# b/189944327 - to avoid gcloud/gsutil fails when using Python3.4 on SLES12
if ! grep -q CLOUDSDK_PYTHON /etc/profile; then
echo "export CLOUDSDK_PYTHON=/usr/bin/python" | tee -a /etc/profile
fi
if ! grep -q CLOUDSDK_PYTHON /etc/environment; then
echo "export CLOUDSDK_PYTHON=/usr/bin/python" | tee -a /etc/environment
fi
fi
## run an instances list to ensure the software is up to date
${GCLOUD} --quiet beta compute instances list >/dev/null
}
main::check_default() {
local default=${1}
local current=${2}
if [[ -z ${current} ]]; then
echo "${default}"
else
echo "${current}"
fi
}
main::get_metadata() {
local key=${1}
local value
if [[ ${key} = *"169.254.169.254/computeMetadata"* ]]; then
value=$(curl --fail -sH'Metadata-Flavor: Google' "${key}")
else
value=$(curl --fail -sH'Metadata-Flavor: Google' http://169.254.169.254/computeMetadata/v1/instance/attributes/"${key}")
fi
echo "${value}"
}
main::update-metadata() {
local key="${1}"
local value="${2}"
local count=0
local max_count=10
while ! ${GCLOUD} --quiet compute instances add-metadata "${HOSTNAME}" --metadata "${key}=${value}" --zone "${CLOUDSDK_COMPUTE_ZONE}"; do
count=$((count +1))
if [ ${count} -gt ${max_count} ]; then
main::errhandle_log_info "Failed to update metadata key=${key}, value=${value}, continuing."
break
else
main::errhandle_log_info "Failed to update metadata key=${key}, value=${value}, trying again in 5 seconds. [Attempt ${count}/${max_count}"
sleep 5s
fi
done
}
main::complete() {
local on_error=${1}
## update instance metadata with status
if [[ -n "${on_error}" ]]; then
main::update-metadata "status" "failed_or_error"
metrics::send_metric -s "ERROR" -e "1"
elif [[ -n "${deployment_warnings}" ]]; then
main::errhandle_log_info "INSTANCE DEPLOYMENT COMPLETE"
main::update-metadata "status" "completed_with_warnings"
metrics::send_metric -s "ERROR" -e "2"
else
main::errhandle_log_info "INSTANCE DEPLOYMENT COMPLETE"
main::update-metadata "status" "completed"
metrics::send_metric -s "CONFIGURED"
fi
## prepare advanced logs
if [[ "${VM_METADATA[sap_deployment_debug]}" = "True" ]]; then
mkdir -p /root/.deploy
main::errhandle_log_info "--- Debug mode is turned on. Preparing additional logs"
env > /root/.deploy/"${HOSTNAME}"_debug_env.log
grep startup /var/log/messages > /root/.deploy/"${HOSTNAME}"_debug_startup_script_output.log
tar -czvf /root/.deploy/"${HOSTNAME}"_deployment_debug.tar.gz -C /root/.deploy/ .
main::errhandle_log_info "--- Debug logs stored in /root/.deploy/"
## Upload logs to GCS bucket & display complete message
if [ -n "${VM_METADATA[sap_hana_deployment_bucket]}" ]; then
main::errhandle_log_info "--- Uploading logs to Google Cloud Storage bucket"
${GSUTIL} -q cp /root/.deploy/"${HOSTNAME}"_deployment_debug.tar.gz gs://"${VM_METADATA[sap_hana_deployment_bucket]}"/logs/
fi
fi
## Run custom post deployment script
if [[ -n "${VM_METADATA[post_deployment_script]}" ]]; then
main::errhandle_log_info "--- Running custom post deployment script - ${VM_METADATA[post_deployment_script]}"
if [[ "${VM_METADATA[post_deployment_script]:0:8}" = "https://" ]] || [[ "${VM_METADATA[post_deployment_script]:0:7}" = "http://" ]]; then
source /dev/stdin <<< "$(curl -s "${VM_METADATA[post_deployment_script]}")"
elif [[ "${VM_METADATA[post_deployment_script]:0:5}" = "gs://" ]]; then
source /dev/stdin <<< "$("${GSUTIL}" cat "${VM_METADATA[post_deployment_script]}")"
else
main::errhandle_log_warning "--- Unknown post deployment script. URL must begin with https:// http:// or gs://"
fi
fi
if [[ -z "${deployment_warnings}" ]]; then
main::errhandle_log_info "--- Finished"
else
main::errhandle_log_warning "--- Finished (${deployment_warnings} warnings)"
fi
## exit sending right error code
if [[ -z "${on_error}" ]]; then
exit 0
else
exit 1
fi
}
main::send_start_metrics() {
metrics::send_metric -s "STARTED"
metrics::send_metric -s "TEMPLATEID"
}
main::install_ops_agent() {
if [[ ! "${VM_METADATA[install_cloud_ops_agent]}" == "false" ]]; then
main::errhandle_log_info "Installing Google Ops Agent"
curl -sSO https://dl.google.com/cloudagents/add-google-cloud-ops-agent-repo.sh
sudo bash add-google-cloud-ops-agent-repo.sh --also-install
fi
}
main::install_monitoring_agent() {
local msg1
local msg2
main::errhandle_log_info "Installing SAP Agent"
if [ "${LINUX_DISTRO}" = "SLES" ]; then
main::errhandle_log_info "Installing agent for SLES"
# SLES
zypper addrepo --gpgcheck-allow-unsigned-package --refresh https://packages.cloud.google.com/yum/repos/google-cloud-sap-agent-sles$(grep "VERSION_ID=" /etc/os-release | cut -d = -f 2 | tr -d '"' | cut -d . -f 1)-\$basearch google-cloud-sap-agent
rpm --import https://packages.cloud.google.com/yum/doc/yum-key.gpg
if timeout 300 zypper -n --no-gpg-checks install "google-cloud-sap-agent"; then
main::errhandle_log_info "Finished installation SAP Agent"
else
local msg1="SAP Agent did not install correctly."
local msg2="Try to install it manually."
main::errhandle_log_info "${msg1} ${msg2}"
fi
elif [ "${LINUX_DISTRO}" = "RHEL" ]; then
# RHEL
main::errhandle_log_info "Installing agent for RHEL"
tee /etc/yum.repos.d/google-cloud-sap-agent.repo << EOM
[google-cloud-sap-agent]
name=Google Cloud Agent for SAP
baseurl=https://packages.cloud.google.com/yum/repos/google-cloud-sap-agent-el$(cat /etc/redhat-release | cut -d . -f 1 | tr -d -c 0-9)-\$basearch
enabled=1
gpgcheck=0
repo_gpgcheck=0
EOM
if timeout 300 yum install -y "google-cloud-sap-agent"; then
main::errhandle_log_info "Finished installation SAP Agent"
else
local msg1="SAP Agent did not install correctly."
local msg2="Try to install it manually."
main::errhandle_log_info "${msg1} ${msg2}"
fi
fi
set +e
}
ha::check_settings() {
# Set additional global constants
sleep "60"
readonly PRIMARY_NODE_IP=$(gcloud compute instances list --format="csv[no-heading](INTERNAL_IP)" --filter="name=(aigascs-ers1)" --project=aig-sap-dev)
readonly SECONDARY_NODE_IP=$(gcloud compute instances list --format="csv[no-heading](INTERNAL_IP)" --filter="name=(aigascs-ers2)" --project=aig-sap-dev)
# readonly PRIMARY_NODE_IP=$(ping "${VM_METADATA[sap_primary_instance]}" -c 1 | head -1 | awk '{ print $3 }' | sed 's/(//' | sed 's/)//')
# readonly SECONDARY_NODE_IP=$(ping "${VM_METADATA[sap_secondary_instance]}" -c 1 | head -1 | awk '{ print $3 }' | sed 's/(//' | sed 's/)//')
main::errhandle_log_info "${PRIMARY_NODE_IP} line 1384sazy"
main::errhandle_log_info "${SECONDARY_NODE_IP} line 1384sazy"
echo "${PRIMARY_NODE_IP} aigascs-ers1" >> /etc/hosts
echo "${SECONDARY_NODE_IP} aigascs-ers2" >> /etc/hosts
## check required parameters are present
echo "sap vip : ${VM_METADATA[sap_vip]} - primary-name: ${VM_METADATA[sap_primary_instance]}- primary ip : ${PRIMARY_NODE_IP}"
echo "praimary zone: ${VM_METADATA[sap_primary_zone]}- secondary-name: ${VM_METADATA[sap_secondary_instance]}- SECONDARY ip : ${SECONDARY_NODE_IP}"
if [ -z "${VM_METADATA[sap_vip]}" ] || [ -z "${VM_METADATA[sap_primary_instance]}" ] || [ -z "${PRIMARY_NODE_IP}" ] || [ -z "${VM_METADATA[sap_primary_zone]}" ] || [ -z "${VM_METADATA[sap_secondary_instance]}" ] || [ -z "${SECONDARY_NODE_IP}" ]; then
main::errhandle_log_warning "High Availability variables were missing or incomplete. Both SAP HANA VMs will be installed and configured but HA will need to be manually setup "
main::complete
fi
mkdir -p /root/.deploy
}
ha::download_scripts() {
if [ "${LINUX_DISTRO}" = "SLES" ]; then
main::errhandle_log_info "Downloading pacemaker-gcp"
mkdir -p /usr/lib/ocf/resource.d/gcp
mkdir -p /usr/lib64/stonith/plugins/external
curl https://storage.googleapis.com/cloudsapdeploy/deploymentmanager/latest/pacemaker-gcp/alias -o /usr/lib/ocf/resource.d/gcp/alias
curl https://storage.googleapis.com/cloudsapdeploy/deploymentmanager/latest/pacemaker-gcp/route -o /usr/lib/ocf/resource.d/gcp/route
curl https://storage.googleapis.com/cloudsapdeploy/deploymentmanager/latest/pacemaker-gcp/gcpstonith -o /usr/lib64/stonith/plugins/external/gcpstonith
chmod +x /usr/lib/ocf/resource.d/gcp/alias
chmod +x /usr/lib/ocf/resource.d/gcp/route
chmod +x /usr/lib64/stonith/plugins/external/gcpstonith
fi
# not needed for RHEL
}
ha::create_hdb_user() {
if [ "${LINUX_DISTRO}" = "SLES" ]; then
hana_monitoring_user="slehasync"
elif [ "${LINUX_DISTRO}" = "RHEL" ]; then
hana_monitoring_user="rhelhasync"
fi
main::errhandle_log_info "Adding user ${hana_monitoring_user} to ${VM_METADATA[sap_hana_sid]}"
## create .sql file
echo "CREATE USER ${hana_monitoring_user} PASSWORD \"${VM_METADATA[sap_hana_system_password]}\";" > /root/.deploy/"${HOSTNAME}"_hdbadduser.sql
echo "GRANT DATA ADMIN TO ${hana_monitoring_user};" >> /root/.deploy/"${HOSTNAME}"_hdbadduser.sql
echo "ALTER USER ${hana_monitoring_user} DISABLE PASSWORD LIFETIME;" >> /root/.deploy/"${HOSTNAME}"_hdbadduser.sql
## run .sql file
PATH="$PATH:/usr/sap/${VM_METADATA[sap_hana_sid]}/HDB${VM_METADATA[sap_hana_instance_number]}/exe"
bash -c "source /usr/sap/*/home/.sapenv.sh && hdbsql -u system -p '"${VM_METADATA[sap_hana_system_password]}"' -i ${VM_METADATA[sap_hana_instance_number]} -I /root/.deploy/${HOSTNAME}_hdbadduser.sql"
}
ha::hdbuserstore() {
if [ "${LINUX_DISTRO}" = "SLES" ]; then
hana_user_store_key="SLEHALOC"
elif [ "${LINUX_DISTRO}" = "RHEL" ]; then
hana_user_store_key="SAPHANARH2SR"
fi
main::errhandle_log_info "Adding hdbuserstore entry '${hana_user_store_key}' pointing to localhost:3${VM_METADATA[sap_hana_instance_number]}15"
#add user store
PATH="$PATH:/usr/sap/${VM_METADATA[sap_hana_sid]}/HDB${VM_METADATA[sap_hana_instance_number]}/exe"
bash -c "source /usr/sap/*/home/.sapenv.sh && hdbuserstore SET ${hana_user_store_key} localhost:3${VM_METADATA[sap_hana_instance_number]}15 ${hana_monitoring_user} '"${VM_METADATA[sap_hana_system_password]}"'"
#check userstore
bash -c "source /usr/sap/*/home/.sapenv.sh && hdbsql -U ${hana_user_store_key} -o /root/.deploy/hdbsql.out -a 'select * from dummy'"
if ! grep -q \"X\" /root/.deploy/hdbsql.out; then
main::errhandle_log_warning "Unable to connect to HANA after adding hdbuserstore entry. Both SAP HANA systems have been installed and configured but the remainder of the HA setup will need to be manually performed"
main::complete
fi
main::errhandle_log_info "--- hdbuserstore connection test successful"
}
ha::install_secondary_sshkeys() {
main::errhandle_log_info "Adding ${VM_METADATA[sap_primary_instance]} ssh keys to ${VM_METADATA[sap_secondary_instance]}"
local count=0
local max_count=10
while ! gcloud compute instances add-metadata "${VM_METADATA[sap_secondary_instance]}" --metadata "ssh-keys=root:$(cat ~/.ssh/id_rsa.pub)" --zone "${VM_METADATA[sap_secondary_zone]}"; do
count=$((count +1))
if [ ${count} -gt ${max_count} ]; then
main::errhandle_log_error "Failed to add ${VM_METADATA[sap_primary_instance]} ssh keys to ${VM_METADATA[sap_secondary_instance]}, aborting installation."
else
main::errhandle_log_info "Failed to to add ${VM_METADATA[sap_primary_instance]} ssh keys to ${VM_METADATA[sap_secondary_instance]}, trying again in 5 seconds."
sleep 5s
fi
done
cat /root/.ssh/id_rsa.pub >> /root/.ssh/authorized_keys
}
ha::install_primary_sshkeys() {
main::errhandle_log_info "Adding ${VM_METADATA[sap_secondary_instance]} ssh keys to ${VM_METADATA[sap_primary_instance]}"
local count=0
local max_count=10
while ! gcloud compute instances add-metadata "${VM_METADATA[sap_primary_instance]}" --metadata "ssh-keys=root:$(cat /root/.ssh/id_rsa.pub)" --zone "${VM_METADATA[sap_primary_zone]}"; do
count=$((count +1))
if [ ${count} -gt ${max_count} ]; then
main::errhandle_log_error "Failed to add ${VM_METADATA[sap_secondary_instance]} ssh keys to ${VM_METADATA[sap_primary_instance]}, aborting installation."
else
main::errhandle_log_info "Failed to add ${VM_METADATA[sap_secondary_instance]} ssh keys to ${VM_METADATA[sap_primary_instance]}, trying again in 5 seconds."
sleep 5s
fi
done
cat /root/.ssh/id_rsa.pub >> /root/.ssh/authorized_keys
}
ha::wait_for_secondary() {
local count=0
local deployment_type=${1}
main::errhandle_log_info "Waiting for ready signal from ${VM_METADATA[sap_secondary_instance]} before continuing"
while [[ ! -f /root/.deploy/.${VM_METADATA[sap_secondary_instance]}.ready ]]; do
count=$((count +1))
scp -o StrictHostKeyChecking=no "${VM_METADATA[sap_secondary_instance]}":/root/.deploy/."${VM_METADATA[sap_secondary_instance]}".ready /root/.deploy/
main::errhandle_log_info "--- ${VM_METADATA[sap_secondary_instance]} is not ready - sleeping for 60 seconds then trying again"
sleep 60s
if [ ${count} -gt 15 ]; then
if [ ${deployment_type} = "nw_ha" ]; then
main::errhandle_log_error "${VM_METADATA[sap_secondary_instance]} wasn't ready in time. Aborting installation. Please check /var/log/messages for errors and if machines can communicate with each other."
else
main::errhandle_log_warning "${VM_METADATA[sap_secondary_instance]} wasn't ready in time. Both SAP HANA systems have been installed and configured but the remainder of the HA setup will need to be manually performed"
main::complete
fi
fi
done
main::errhandle_log_info "--- ${VM_METADATA[sap_secondary_instance]} is now ready - continuing HA setup"
}
ha::wait_for_primary() {
local count=0
local deployment_type=${1}
main::errhandle_log_info "Waiting for ready signal from ${VM_METADATA[sap_primary_instance]} before continuing"
scp -o StrictHostKeyChecking=no "${VM_METADATA[sap_primary_instance]}":/root/.deploy/."${VM_METADATA[sap_primary_instance]}".ready /root/.deploy/
while [[ ! -f /root/.deploy/."${VM_METADATA[sap_primary_instance]}".ready ]]; do
count=$((count +1))
scp -o StrictHostKeyChecking=no "${VM_METADATA[sap_primary_instance]}":/root/.deploy/."${VM_METADATA[sap_primary_instance]}".ready /root/.deploy/
main::errhandle_log_info "--- ${VM_METADATA[sap_primary_instance]} is not ready - sleeping for 60 seconds then trying again"
sleep 60s
if [ ${count} -gt 10 ]; then
if [ ${deployment_type} = "nw_ha" ]; then
main::errhandle_log_error "${VM_METADATA[sap_primary_instance]} wasn't ready in time. Aborting installation. Please check /var/log/messages for errors and if machines can communicate with each other."
else
main::errhandle_log_warning "${VM_METADATA[sap_primary_instance]} wasn't ready in time. Both SAP HANA systems have been installed and configured but the remainder of the HA setup will need to be manually performed"
main::complete
fi
fi
done
main::errhandle_log_info "--- ${VM_METADATA[sap_primary_instance]} is now ready - continuing HA setup"
}
ha::ready(){
echo "ready" > /root/.deploy/."${HOSTNAME}".ready
}
ha::config_cluster(){
main::errhandle_log_info "Configuring cluster primivatives"
}
ha::copy_hdb_ssfs_keys(){
main::errhandle_log_info "Transfering SSFS keys from ${VM_METADATA[sap_primary_instance]}"
rm /usr/sap/"${VM_METADATA[sap_hana_sid]}"/SYS/global/security/rsecssfs/data/SSFS_"${VM_METADATA[sap_hana_sid]}".DAT
rm /usr/sap/"${VM_METADATA[sap_hana_sid]}"/SYS/global/security/rsecssfs/key/SSFS_"${VM_METADATA[sap_hana_sid]}".KEY
scp -o StrictHostKeyChecking=no "${VM_METADATA[sap_primary_instance]}":/usr/sap/"${VM_METADATA[sap_hana_sid]}"/SYS/global/security/rsecssfs/data/SSFS_"${VM_METADATA[sap_hana_sid]}".DAT /usr/sap/"${VM_METADATA[sap_hana_sid]}"/SYS/global/security/rsecssfs/data/SSFS_"${VM_METADATA[sap_hana_sid]}".DAT
scp -o StrictHostKeyChecking=no "${VM_METADATA[sap_primary_instance]}":/usr/sap/"${VM_METADATA[sap_hana_sid]}"/SYS/global/security/rsecssfs/key/SSFS_"${VM_METADATA[sap_hana_sid]}".KEY /usr/sap/"${VM_METADATA[sap_hana_sid]}"/SYS/global/security/rsecssfs/key/SSFS_"${VM_METADATA[sap_hana_sid]}".KEY
chown "${VM_METADATA[sap_hana_sid],,}"adm:sapsys /usr/sap/"${VM_METADATA[sap_hana_sid]}"/SYS/global/security/rsecssfs/data/SSFS_"${VM_METADATA[sap_hana_sid]}".DAT
chown "${VM_METADATA[sap_hana_sid],,}"adm:sapsys /usr/sap/"${VM_METADATA[sap_hana_sid]}"/SYS/global/security/rsecssfs/key/SSFS_"${VM_METADATA[sap_hana_sid]}".KEY
chmod g+wrx,u+wrx /usr/sap/"${VM_METADATA[sap_hana_sid]}"/SYS/global/security/rsecssfs/data/SSFS_"${VM_METADATA[sap_hana_sid]}".DAT
chmod g+wrx,u+wrx /usr/sap/"${VM_METADATA[sap_hana_sid]}"/SYS/global/security/rsecssfs/key/SSFS_"${VM_METADATA[sap_hana_sid]}".KEY
}
ha::enable_hsr() {
main::errhandle_log_info "Enabling HANA System Replication support "
runuser -l "${VM_METADATA[sap_hana_sid],,}adm" -c "hdbnsutil -sr_enable --name=${HOSTNAME}"
}
ha::config_hsr() {
main::errhandle_log_info "Configuring SAP HANA system replication primary -> secondary"
runuser -l "${VM_METADATA[sap_hana_sid],,}adm" -c "hdbnsutil -sr_register --remoteHost=${VM_METADATA[sap_primary_instance]} --remoteInstance=${VM_METADATA[sap_hana_instance_number]} --replicationMode=syncmem --operationMode=logreplay --name=${VM_METADATA[sap_secondary_instance]}"
}
ha::check_hdb_replication(){
main::errhandle_log_info "Checking SAP HANA replication status"
# check status
bash -c "source /usr/sap/*/home/.sapenv.sh && /usr/sap/${VM_METADATA[sap_hana_sid]}/HDB${VM_METADATA[sap_hana_instance_number]}/exe/hdbsql -o /root/.deploy/hdbsql.out -a -U ${hana_user_store_key} 'select distinct REPLICATION_STATUS from SYS.M_SERVICE_REPLICATION'"
local count=0
while ! grep -q \"ACTIVE\" /root/.deploy/hdbsql.out; do
count=$((count +1)) # b/183019459
main::errhandle_log_info "--- Replication is still in progressing. Waiting 60 seconds then trying again"
bash -c "source /usr/sap/*/home/.sapenv.sh && /usr/sap/${VM_METADATA[sap_hana_sid]}/HDB${VM_METADATA[sap_hana_instance_number]}/exe/hdbsql -o /root/.deploy/hdbsql.out -a -U ${hana_user_store_key} 'select distinct REPLICATION_STATUS from SYS.M_SERVICE_REPLICATION'"
sleep 60s
if [ ${count} -gt 20 ]; then
main::errhandle_log_error "SAP HANA System Replication didn't complete. Please check network connectivity and firewall rules"
fi
done
main::errhandle_log_info "--- Replication in sync. Continuing with HA configuration"
}
ha::check_cluster(){
main::errhandle_log_info "Checking cluster status"
local count=0
local max_attempts=20
local sleep_time=60
local finished=1
while ! [ ${finished} -eq 0 ]; do
if [ "${LINUX_DISTRO}" = "SLES" ]; then
crm_mon -s | grep -q "2 nodes online"
finished=$?
elif [ "${LINUX_DISTRO}" = "RHEL" ]; then
[ $(pcs cluster status | egrep -e "(${VM_METADATA[sap_primary_instance]}|${VM_METADATA[sap_secondary_instance]}): Online" | wc -l) = "2" ]
finished=$?
fi
if ! [ ${finished} -eq 0 ]; then
count=$((count +1))
main::errhandle_log_info "--- Cluster is not yet online. Waiting ${sleep_time} seconds then trying again (attempt number ${count} of max ${max_attempts})"
sleep ${sleep_time}s
if [ ${count} -gt ${max_attempts} ]; then
main::errhandle_log_error "Pacemaker cluster failed to come online. Please check network connectivity and firewall rules"
fi
fi
done
main::errhandle_log_info "--- Two cluster nodes are online and ready. Continuing with HA configuration"
}
ha::config_corosync(){
main::errhandle_log_info "--- Creating /etc/corosync/corosync.conf"
cat <<EOF > /etc/corosync/corosync.conf
totem {
version: 2
secauth: off
crypto_hash: sha1
crypto_cipher: aes256
cluster_name: hacluster
clear_node_high_bit: yes
token: 20000
token_retransmits_before_loss_const: 10
join: 60
max_messages: 20
transport: udpu
interface {
ringnumber: 0
bindnetaddr: ${1}
mcastport: 5405
ttl: 1
}
}
logging {
fileline: off
to_stderr: no