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Filename : vz7_check_a2_backups-running.sh
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#!/bin/bash
#
# Separated this check so it won't be cached - SYSENG-3818
# Refactored a bit to include ndb proc format etc - SYSENG-4387
# 2/2024 - Skips parts if remote Virtuozzo Backups enabled - SYSENG-26958
# 8/2024 - Refactored to fix OK/CRIT status together - BFENG-1974
# 2/2025 - Refactored for Icinga - lcsiki

threshold=18000    # N value in seconds, 5 hours

# Ref - BFENG-1701 - skip check if it is a VZBK server.
if [[ $(hostname) =~ vzbk ]]; then
  exit 0
fi

# In the event we don't want backups, adding if statement
if [ -e /root/.no_backup_mounts ]; then
  echo "vz7-backups-running - Not supposed to be backed up or mounted"
  exit 0
fi

# Initialize status and exit code
status_message="vz7-backups-running - Running and ownership OK"
exit_code=0

# count and find backup/nbd pid & age
prlctl_backup_pid=$(pgrep -f 'prlctl backup |qemu-nbd')
total_pids=$(echo "${prlctl_backup_pid}" | wc -l)
data_pids=$(for bupid in ${prlctl_backup_pid}; do
  proc_age=$(ps -o etimes --no-headers -p ${bupid})
  if [[ ${proc_age} -gt ${threshold} ]]; then
    proc_name=$(ps -o comm= -p ${bupid})
    printf "pid:${bupid}:${proc_name}:$(expr ${proc_age} / 60 / 60)hrs\n"
  fi
done)

# Check if there are long-running backup processes
if [[ ! -z "${data_pids}" ]]; then
  status_message="vz7-backups-running - WARNING: ${data_pids} |proc(s):${total_pids}"
  exit_code=2
fi

### START NFS LOCAL part which doesn't apply if Remote Virtuozzo Backups enabled
if [ ! -f /etc/vz/backup_location ]; then
  backup_dir="/backup-local"

  # Check if mount is nfs
  backup_dir_type=$(stat -fLc %T "${backup_dir}")
  if [[ (-z "$(mount | grep local | grep rw)") || ("${backup_dir_type}" != "nfs") ]]; then
    status_message="vz7-backups-running - CRITICAL: Backup dir is not read-write or not an NFS mounted dir"
    exit_code=2
  else
    # Check dir permission
    dir_ownership=$(stat -c "%U:%G" "${backup_dir}")
    if [[ "${dir_ownership}" != "nobody:nobody" ]]; then
      status_message="vz7-backups-running - WARNING: Incorrect directory ownership (${dir_ownership}) - Please check"
      exit_code=2
    fi
  fi
fi
### END NFS LOCAL

# Print final status message and exit with appropriate code
echo "${status_message}"
exit ${exit_code}