refactor(RESTORE): create and use restore function
- single function to handle non-SQL restore operations - replace previous mail and crypt restore with new function
This commit is contained in:
Asif Bacchus
parent
cc30581382
commit
363c970f2f
@ -47,6 +47,27 @@ exitError() {
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exit "$1"
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}
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doRestore() {
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sourceFiles=$(find "${backupLocation}" -iname "${1}" -type d)
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if [ -n "$sourceFiles" ]; then
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if [ "$verbose" -eq 1 ]; then
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if (! (cd "$sourceFiles/_data" && tar -cf - .) | (cd "${2}" && tar xvf -) > "$logfile" ); then
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return 1
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else
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return 0
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fi
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else
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if (! (cd "$sourceFiles/_data" && tar -cf - .) | (cd "${3}" && tar xvf -) ); then
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return 1
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else
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return 0
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fi
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fi
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else
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return 2
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fi
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}
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scriptHelp() {
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textNewline
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printf "%sUsage: %s [parameters]%s\n\n" "$bold" "$scriptName" "$norm"
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@ -356,7 +377,7 @@ if [ "$( docker ps --filter "name=${COMPOSE_PROJECT_NAME}" -q | wc -l )" -gt 0 ]
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exitError 20
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fi
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### restore email and encryption key
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### restore mail and encryption key
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if [ "$restoreMail" -eq 1 ]; then
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if [ "$verbose" -eq 1 ]; then
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writeLog 'info' "Restoring email"
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@ -364,38 +385,61 @@ if [ "$restoreMail" -eq 1 ]; then
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writeLog 'task' "Restoring email"
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fi
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# mail restore pre-requisites
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mailBackup=$(find "${backupLocation}" -iname "${COMPOSE_PROJECT_LOCATION}_vmail-vol-1" -type d)
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cryptBackup=$(find "${backupLocation}" -iname "${COMPOSE_PROJECT_LOCATION}_crypt-vol-1" -type d)
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if [ -n "$mailBackup" ] && [ -n "$cryptBackup" ]; then
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# restore email messages
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doRestore "${COMPOSE_PROJECT_NAME}_vmail-vol-1" "$dockerVolumeMail"; ec="$?"
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case "$ec" in
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0)
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if [ "$verbose" -eq 1 ]; then
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if ! (cd "$mailBackup/_data" && tar cf - .) | (cd "$dockerVolumeMail" && tar xvf -) > "$logfile"; then
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writeLog 'error' '52' "There was an error restoring one or more email messages."
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errorCount=$((errorCount+1))
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fi
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if ! (cd "$cryptBackup/_data" && tar cf - .) | (cd "$dockerVolumeCrypt" && tar xvf -) > "$logfile"; then
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writeLog 'error' '53' "There was an error restoring mail encryption keys! Restored mail may *not* be readable!"
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errorCount=$((errorCount+1))
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fi
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writeLog 'success' "Email messages restored"
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else
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if ! (cd "$mailBackup/_data" && tar cf - .) | (cd "$dockerVolumeMail" && tar xvf -); then
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writeLog 'error' '52' "There was an error restoring one or more email messages."
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errorCount=$((errorCount+1))
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writeLog 'done'
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fi
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if ! (cd "$cryptBackup/_data" && tar cf - .) | (cd "$dockerVolumeCrypt" && tar xvf -); then
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writeLog 'error' '53' "There was an error restoring mail encryption keys! Restored mail may *not* be readable!"
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errorCount=$((errorCount+1))
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fi
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fi
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else
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;;
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1)
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if [ "$verbose" -eq 1 ]; then
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writeLog 'error' '51' "Cannot locate email message and/or encryption key backups!"
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writeLog 'error' '52' "There was an error restoring one or more email messages."
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else
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writeLog 'done' 'error'
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writeLog 'error' '51' "Cannot locate email message and/or encryption key backups!"
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writeLog 'error' '52' "There was an error restoring one or more email messages."
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fi
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errorCount=$((errorCount+1))
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;;
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2)
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if [ "$verbose" -eq 1 ]; then
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writeLog 'error' '51' "Cannot locate email message backups!"
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else
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writeLog 'done' 'error'
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writeLog 'error' '51' "Cannot locate email message backups!"
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fi
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;;
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esac
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# restore encryption key
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doRestore "${COMPOSE_PROJECT_NAME}_crypt-vol-1" "$dockerVolumeCrypt"; ec="$?"
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case "$ec" in
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0)
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if [ "$verbose" -eq 1 ]; then
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writeLog 'success' "Encryption key restored"
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else
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writeLog 'done'
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fi
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;;
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1)
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if [ "$verbose" -eq 1 ]; then
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writeLog 'error' '52' "There was an error restoring the encryption key! Any restored messages are likely *not* readable!"
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else
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writeLog 'done' 'error'
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writeLog 'error' '52' "There was an error restoring the encryption key! Any restored messages are likely *not* readable!"
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fi
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;;
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2)
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if [ "$verbose" -eq 1 ]; then
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writeLog 'error' '51' "Cannot locate encryption key backup!"
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else
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writeLog 'done' 'error'
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writeLog 'error' '51' "Cannot locate encryption key backup!"
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fi
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;;
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esac
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fi
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#TODO: copy backups to correct docker volumes
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@ -429,9 +473,8 @@ fi
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# 2x: Docker/Docker-Compose errors
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# 20: cannot bring docker container(s) down successfully
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# 5x: File restore errors
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# 51: cannot locate email/crypt files in backup directory
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# 52: error restoring one or more mail messages
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# 53: error restoring encryption keys, mail likely unreadable
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# 51: cannot locate source files in backup directory
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# 52: error restoring one or more files
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# 97: script completed with 1 or more warnings
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# 98: script completed with 1 or more non-terminating errors
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# 99: TERM signal trapped
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