152 lines
2.6 KiB
Bash
Executable file
152 lines
2.6 KiB
Bash
Executable file
#!/bin/sh
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step() {
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printf '\x1b[34;1m>> %s\x1b[0m\n' "$*"
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}
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error() {
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printf '\x1b[31;1merror: \x1b[0m%s\n' "$*"
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}
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export PGPASSWORD=$POSTGRES_PASSWORD
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psql() {
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/usr/bin/psql \
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-h db \
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-p 5432 \
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-d $POSTGRES_DB \
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-U $POSTGRES_USER \
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"$@"
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}
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pg_isready() {
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/usr/bin/pg_isready \
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-h db \
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-p 5432 \
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-d $POSTGRES_DB \
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-U $POSTGRES_USER \
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"$@"
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}
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curr_revision() {
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psql -qtAX -f /db/rev.sql;
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}
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wait_until_ready() {
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step 'Checking if the database is ready...';
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while true; do
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pg_isready;
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code=$?;
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if [ $code -eq 0 ]; then
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break;
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fi
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sleep 3;
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done
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}
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run_migrations() {
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i="$1"
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while true; do
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name=$(printf "%04d" "$i");
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file="/db/migrations/$name.sql"
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if [ -f $file ]; then
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psql -f $file 2> /errors
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errors=$(cat /errors | grep 'ERROR' | wc -l)
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if [ "$errors" -eq 0 ]; then
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i=$((i+1));
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continue;
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else
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error "An error occoured during a migration (rev $name)"
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cat /errors | grep -v 'current transaction is aborted';
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error "Aborting migrations, fix file(s) then restart process."
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return 1;
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fi
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else
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return 0;
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fi
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done
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}
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init_api() {
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psql -f /db/rest/rest.sql 2> /errors;
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errors=$(cat /errors | grep 'ERROR' | wc -l)
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if [ "$errors" -eq 0 ]; then
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return 0;
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else
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error "An error occoured during api initialization"
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cat /errors | grep -v 'current transaction is aborted';
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error "Aborting api initialization, fix file(s) then restart process."
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return 1;
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fi
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}
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update_jwt() {
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psql -c "UPDATE sys.database_info SET jwt_secret = '$JWT_SECRET' WHERE name = current_database();"
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errors=$(cat /errors | grep 'ERROR' | wc -l)
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if [ "$errors" -eq 0 ]; then
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return 0;
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else
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return 1;
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fi
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}
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load_ext() {
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psql -qtAX -f /db/ext.sql;
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}
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init () {
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# reomve ready status
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# so php ignores requests
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rm -fr /status/ready
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step 'Waiting for database';
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# make sure the database is running
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# before we run any requests
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wait_until_ready;
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step 'Database ready';
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step 'Loading extensions';
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# Make sure extensions are loaded
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load_ext;
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step 'Peforming migrations';
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# get the current revision
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REV=$(curr_revision);
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step "Database at revision: $REV"
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# run each migration that is
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# higher than our current revision
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run_migrations "$REV"
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CODE=$?;
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if [ $CODE -ne 0 ]; then
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return $CODE;
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fi
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step 'Initalizing the api';
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# reinit the api schema for
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# postgrest
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init_api;
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CODE=$?;
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if [ $CODE -ne 0 ]; then
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return $CODE;
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fi
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step 'Updating JWT secret';
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# make sure postgres has the corrent
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# jwt secret
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update_jwt;
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CODE=$?;
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if [ $CODE -ne 0 ]; then
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return $CODE;
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fi
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step 'Database is initialized'
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# database is ready
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touch /status/ready
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}
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init
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