ansible-taler-exchange

Ansible playbook to deploy a production Taler Exchange
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restore (1828B)

      1 #!/bin/sh
      2 
      3 set -eu
      4 
      5 usage()
      6 {
      7     echo "Usage: BORG_PASSPHRASE=... $0 <inventory-host> <archive-name> [ansible-playbook options...]" >&2
      8 }
      9 
     10 if [ -z "${BORG_PASSPHRASE:-}" ]
     11 then
     12     echo "BORG_PASSPHRASE must be set." >&2
     13     echo "It can be found encrypted in admin-log.git under the target host." >&2
     14     exit 1
     15 fi
     16 
     17 if [ "$#" -lt 2 ]
     18 then
     19     usage
     20     exit 1
     21 fi
     22 
     23 restore_target=$1
     24 restore_archive=$2
     25 shift 2
     26 
     27 case "$restore_target" in
     28     ''|*[!A-Za-z0-9._-]*)
     29         echo "The target must be one exact inventory hostname." >&2
     30         exit 1
     31         ;;
     32 esac
     33 
     34 case "$restore_archive" in
     35     latest|LATEST)
     36         echo "Select an exact Borg archive; 'latest' is not accepted." >&2
     37         exit 1
     38         ;;
     39     ''|*[!A-Za-z0-9._:+-]*)
     40         echo "Invalid Borg archive name: $restore_archive" >&2
     41         exit 1
     42         ;;
     43 esac
     44 
     45 for restore_command in ansible-playbook borg gzip zgrep
     46 do
     47     if ! command -v "$restore_command" >/dev/null 2>&1
     48     then
     49         echo "Required command not found: $restore_command" >&2
     50         exit 1
     51     fi
     52 done
     53 
     54 restore_workdir=$(mktemp -d "${TMPDIR:-/tmp}/taler-database-restore.XXXXXX")
     55 chmod 700 "$restore_workdir"
     56 
     57 cleanup()
     58 {
     59     rm -f -- "$restore_workdir/postgres-backup.sql.gz"
     60     rmdir -- "$restore_workdir" 2>/dev/null || true
     61 }
     62 trap cleanup EXIT
     63 trap 'exit 1' HUP INT TERM
     64 
     65 export TALER_RESTORE_TARGET="$restore_target"
     66 export TALER_RESTORE_ARCHIVE="$restore_archive"
     67 export TALER_RESTORE_CONTROLLER_DIRECTORY="$restore_workdir"
     68 
     69 echo "Restoring $restore_target from exact archive $restore_archive"
     70 
     71 ansible-playbook -v \
     72     --inventory inventories/default \
     73     --limit "$restore_target" \
     74     playbooks/restore.yml \
     75     "$@"
     76 
     77 echo "Database restore and verification completed successfully."
     78 echo "Inspect the host, then deploy the application with: ./deploy $restore_target"