110 lines
3.8 KiB
Bash
Executable File
110 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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set -eu
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check_cluster()
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{
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if pcs status 2>&1 | grep -E '(cluster is not currently running)|(OFFLINE:)'; then
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echo_error "ERROR: upgrade cannot start with some cluster nodes being offline"
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exit 1
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fi
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}
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check_pcsd()
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{
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if pcs status 2>&1 | grep -E 'Offline'; then
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echo_error "ERROR: upgrade cannot start with some pcsd daemon offline"
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exit 1
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fi
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}
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mysql_need_update()
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{
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# Shall we upgrade mysql data directory during the stack upgrade?
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if [ "$mariadb_do_major_upgrade" = "auto" ]; then
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ret=$(is_mysql_upgrade_needed)
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if [ $ret = "1" ]; then
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DO_MYSQL_UPGRADE=1
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else
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DO_MYSQL_UPGRADE=0
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fi
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echo "mysql upgrade required: $DO_MYSQL_UPGRADE"
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elif [ "$mariadb_do_major_upgrade" = "no" ]; then
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DO_MYSQL_UPGRADE=0
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else
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DO_MYSQL_UPGRADE=1
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fi
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}
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check_disk_for_mysql_dump()
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{
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# Where to backup current database if mysql need to be upgraded
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MYSQL_BACKUP_DIR=/var/tmp/mysql_upgrade_osp
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MYSQL_TEMP_UPGRADE_BACKUP_DIR=/var/lib/mysql-temp-upgrade-backup
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# Spare disk ratio for extra safety
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MYSQL_BACKUP_SIZE_RATIO=1.2
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mysql_need_update
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if [ "$(hiera -c /etc/puppet/hiera.yaml bootstrap_nodeid)" = "$(facter hostname)" ]; then
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if [ $DO_MYSQL_UPGRADE -eq 1 ]; then
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if [ -d "$MYSQL_BACKUP_DIR" ]; then
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echo_error "Error: $MYSQL_BACKUP_DIR exists already. Likely an upgrade failed previously"
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exit 1
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fi
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mkdir "$MYSQL_BACKUP_DIR"
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if [ $? -ne 0 ]; then
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echo_error "Error: could not create temporary backup directory $MYSQL_BACKUP_DIR"
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exit 1
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fi
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# the /root/.my.cnf is needed because we set the mysql root
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# password from liberty onwards
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backup_flags="--defaults-extra-file=/root/.my.cnf -u root --flush-privileges --all-databases --single-transaction"
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# While not ideal, this step allows us to calculate exactly how much space the dump
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# will need. Our main goal here is avoiding any chance of corruption due to disk space
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# exhaustion
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backup_size=$(mysqldump $backup_flags 2>/dev/null | wc -c)
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database_size=$(du -cb /var/lib/mysql | tail -1 | awk '{ print $1 }')
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free_space=$(df -B1 --output=avail "$MYSQL_BACKUP_DIR" | tail -1)
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# we need at least space for a new mysql database + dump of the existing one,
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# times a small factor for additional safety room
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# note: bash doesn't do floating point math or floats in if statements,
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# so use python to apply the ratio and cast it back to integer
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required_space=$(python -c "from __future__ import print_function; print(\"%d\" % int((($database_size + $backup_size) * $MYSQL_BACKUP_SIZE_RATIO)))")
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if [ $required_space -ge $free_space ]; then
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echo_error "Error: not enough free space in $MYSQL_BACKUP_DIR ($required_space bytes required)"
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exit 1
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fi
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fi
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fi
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}
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check_python_rpm()
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{
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# If for some reason rpm-python are missing we want to error out early enough
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if ! rpm -q rpm-python &> /dev/null; then
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echo_error "ERROR: upgrade cannot start without rpm-python installed"
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exit 1
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fi
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}
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check_clean_cluster()
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{
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if pcs status | grep -q Stopped:; then
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echo_error "ERROR: upgrade cannot start with stopped resources on the cluster. Make sure that all the resources are up and running."
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exit 1
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fi
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}
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check_galera_root_password()
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{
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# BZ: 1357112
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if [ ! -e /root/.my.cnf ]; then
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echo_error "ERROR: upgrade cannot be started, the galera password is missing. The overcloud needs update."
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exit 1
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fi
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}
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