return 1
}
+# use a single date of this script invocation for the dump_*_db functions.
+DATE=$(date +"%Y-%m-%d-%H-%M-%S")
+
+# Dumps the database - optional argument to specify filename suffix
+function dump_sfa_db() {
+ if [ -n "$1" ] ; then suffix="-$1" ; else suffix="" ; fi
+ dumpfile=/var/lib/pgsql/backups/$(date +"${SFA_DB_NAME}.${DATE}${suffix}.sql")
+ pg_dump -U $SFA_DB_USER $SFA_DB_NAME > $dumpfile
+ check
+}
+
+# Updates the database by applying migration scripts
+# using sqlalchemy-migrate for this
+# migrate repo is /usr/share/sfa/migrations/
+# and version scripts are thus in /usr/share/sfa/migrations/versions/
+function db_migrate() {
+
+ # only if enabled
+ [ "$SFA_DB_ENABLED" == 1 ] || return
+
+ alchemy_url="postgresql+psycopg2://${SFA_DB_USER}:${SFA_DB_PASSWORD}@:${SFA_DB_PORT}/${SFA_DB_NAME}"
+ migrate_repo="/usr/share/sfa/migrations"
+ # check if under version control, and initialize it otherwise
+ if ! sqlalchemy-migrate db_version --url=$alchemy_url $migrate_repo >& /dev/null ; then
+ # at this point it would make sense to
+ # check that the 'users' table is in the db
+ # if not, backup/dump, and run a nuke/import
+ # and then only init the db version to 0
+ echo -n $"version init in db ${SFA_DB_NAME}"
+ sqlalchemy-migrate version_control --url=$alchemy_url $migrate_repo
+ fi
+ version_before=$(sqlalchemy-migrate db_version --url=$alchemy_url $migrate_repo)
+ check
+ sqlalchemy-migrate upgrade --url=$alchemy_url $migrate_repo 2> /dev/null
+ check
+ version_after=$(sqlalchemy-migrate db_version --url=$alchemy_url $migrate_repo)
+ if [ "$version_before" != "$version_after" -o "$ERRORS" != 0 ] ; then
+ MESSAGE=$"DB version: $version_before -> $version_after"
+ echo -n "$MESSAGE"
+ [ "$ERRORS" == 0 ] && success "$MESSAGE" || failure "$MESSAGE" ; echo
+ fi
+}
# Regenerate configuration files - almost verbatim from plc.init
function reload () {
reload
db_start
+ db_migrate
# install peer certs
action $"SFA installing peer certs" daemon /usr/bin/sfa-start.py -t -d $OPTIONS