feat(canary): deploy r001 app surface on sol

environments/sol/trade-r001-canary/scripts/prepare-sol-postgres.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SOURCE_HOST="${SOURCE_HOST:-mevnode_bot}"
+SOURCE_NAMESPACE="${SOURCE_NAMESPACE:-trade-staging}"
+TARGET_HOST="${TARGET_HOST:-mevnode}"
+PG_VERSION="${PG_VERSION:-16}"
+
+ssh_source() {
+  ssh -o StrictHostKeyChecking=no "$SOURCE_HOST" "$@"
+}
+
+ssh_target() {
+  ssh -o StrictHostKeyChecking=no "$TARGET_HOST" "$@"
+}
+
+SRC_SECRET_JSON="$(ssh_source "sudo k3s kubectl -n ${SOURCE_NAMESPACE} get secret trade-postgres -o json")"
+POSTGRES_USER="$(printf '%s' "$SRC_SECRET_JSON" | jq -r '.data.POSTGRES_USER' | base64 -d)"
+POSTGRES_PASSWORD="$(printf '%s' "$SRC_SECRET_JSON" | jq -r '.data.POSTGRES_PASSWORD' | base64 -d)"
+POSTGRES_DB="$(printf '%s' "$SRC_SECRET_JSON" | jq -r '.data.POSTGRES_DB' | base64 -d)"
+
+ssh_target "if ! dpkg -l | grep -q '^ii  timescaledb-2-postgresql-${PG_VERSION} '; then curl -fsSL https://packagecloud.io/install/repositories/timescale/timescaledb/script.deb.sh | sudo bash && sudo apt-get update && sudo DEBIAN_FRONTEND=noninteractive apt-get install -y timescaledb-2-postgresql-${PG_VERSION}; fi"
+
+CURRENT_PRELOAD="$(ssh_target "sudo -u postgres psql -Atqc \"show shared_preload_libraries\"")"
+case ",${CURRENT_PRELOAD}," in
+  *,timescaledb,*)
+    NEW_PRELOAD="${CURRENT_PRELOAD}"
+    ;;
+  ,,)
+    NEW_PRELOAD="timescaledb"
+    ;;
+  *)
+    NEW_PRELOAD="${CURRENT_PRELOAD},timescaledb"
+    ;;
+esac
+
+ssh_target "sudo -u postgres psql -Atqc \"ALTER SYSTEM SET shared_preload_libraries = '${NEW_PRELOAD}';\" && sudo systemctl restart postgresql"
+
+APP_USER_SQL=$(printf "%s" "$POSTGRES_USER" | sed "s/'/''/g")
+APP_PASSWORD_SQL=$(printf "%s" "$POSTGRES_PASSWORD" | sed "s/'/''/g")
+APP_DB_SQL=$(printf "%s" "$POSTGRES_DB" | sed "s/'/''/g")
+
+ssh_target "sudo -u postgres psql -v ON_ERROR_STOP=1 <<'SQL'
+DO \$\$
+BEGIN
+  IF NOT EXISTS (SELECT 1 FROM pg_roles WHERE rolname = '${APP_USER_SQL}') THEN
+    EXECUTE format('CREATE ROLE %I LOGIN PASSWORD %L', '${APP_USER_SQL}', '${APP_PASSWORD_SQL}');
+  ELSE
+    EXECUTE format('ALTER ROLE %I WITH LOGIN PASSWORD %L', '${APP_USER_SQL}', '${APP_PASSWORD_SQL}');
+  END IF;
+END
+\$\$;
+SELECT format('CREATE DATABASE %I OWNER %I', '${APP_DB_SQL}', '${APP_USER_SQL}')
+WHERE NOT EXISTS (SELECT 1 FROM pg_database WHERE datname = '${APP_DB_SQL}')
+\\gexec
+ALTER DATABASE \"${POSTGRES_DB}\" OWNER TO \"${POSTGRES_USER}\";
+SQL"
+
+echo "Prepared host Postgres on ${TARGET_HOST} for ${POSTGRES_USER}/${POSTGRES_DB} with TimescaleDB enabled"