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Add ability to specify custom schema for verification in postgres #139

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merged 7 commits into from
Jan 17, 2025
+35 −8
Merged

Add ability to specify custom schema for verification in postgres #139

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ddc5c66
Add ability to specify custom schema to back-up in postgres
esune Dec 19, 2024
8350a79
Moved new parse functions to general implementation, added verify sch…
esune Dec 21, 2024
e226d7d
Tweak database type sed expression
esune Jan 7, 2025
38195b7
Tweak pg_dump parameters
esune Jan 8, 2025
acb42cf
Correctly assign verification schema, fix hostname sed expression
esune Jan 9, 2025
c6a8a60
Post-process role dump to remove default users
esune Jan 10, 2025
5b17a50
Removed backupSchema option until further development
esune Jan 16, 2025
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1 change: 1 addition & 0 deletions config/backup.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@
# Full Example:
# -----------------------------------------------------------
# postgres=postgresql:5432/TheOrgBook_Database
# postgres=postgresql:5432/mydb?currentSchema=my_schema
# mongo=mender-mongodb:27017/useradm
# postgres=wallet-db/tob_issuer
# mssql=pims-db-dev:1433/pims
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23 changes: 21 additions & 2 deletions docker/backup.postgres.plugin
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Expand Up @@ -5,6 +5,24 @@
# -----------------------------------------------------------------------------------------------------------------
export serverDataDirectory="/var/lib/pgsql/data"

# Override general function to support defining a schema
function getDatabaseName(){
(
_databaseSpec=${1}
_databaseName=$(echo ${_databaseSpec} | sed -n 's~^.*/\([^?]*\).*~\1~p')
echo "${_databaseName}"
)
}

function getDatabaseSchema(){
(
_databaseSpec=${1}
_paramName=$(echo ${_databaseSpec} | sed -n 's~^.*currentSchema=\(.*$\)~\1~p')
_databaseSchema="${!_paramName:-public}"
echo ${_databaseSchema}
)
}

function onBackupDatabase(){
(
local OPTIND
Expand All @@ -21,14 +39,15 @@ function onBackupDatabase(){

_hostname=$(getHostname ${_databaseSpec})
_database=$(getDatabaseName ${_databaseSpec})
_schema=$(getDatabaseSchema ${_databaseSpec})
_port=$(getPort ${_databaseSpec})
_portArg=${_port:+"-p ${_port}"}
_username=$(getUsername ${_databaseSpec})
_password=$(getPassword ${_databaseSpec})
echoGreen "Backing up '${_hostname}${_port:+:${_port}}${_database:+/${_database}}' to '${_backupFile}' ..."
echoGreen "Backing up schema '${_schema}' in '${_hostname}${_port:+:${_port}}${_database:+/${_database}}' to '${_backupFile}' ..."

export PGPASSWORD=${_password}
pg_dump -Fp -h "${_hostname}" ${_portArg} -U "${_username}" "${_database}" > "${BACKUP_DIR}backup.sql"
pg_dump -Fp -h "${_hostname}" ${_portArg} -U "${_username}"-n "${_schema}" "${_database}" > "${BACKUP_DIR}backup.sql"
pg_dumpall -h "${_hostname}" ${_portArg} -U "${_username}" --roles-only --no-role-passwords > "${BACKUP_DIR}roles.sql"
cat "${BACKUP_DIR}roles.sql" "${BACKUP_DIR}backup.sql" | gzip > ${_backupFile}
rm "${BACKUP_DIR}roles.sql" && rm "${BACKUP_DIR}backup.sql"
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