Files
trade-gitops/environments/sol/trade-r001-canary/scripts/prepare-sol-postgres.sh
mpabi 1acb8d403e
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ops(sol): add offline canary recovery path
2026-04-12 19:25:55 +02:00

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#!/usr/bin/env bash
set -euo pipefail
DEFAULT_SOURCE_DIR="${HOME}/.local/share/trade-bootstrap/sol/trade-r001-canary-secrets"
SOURCE_HOST="${SOURCE_HOST:-mevnode_bot}"
SOURCE_NAMESPACE="${SOURCE_NAMESPACE:-trade-staging}"
SOURCE_DIR="${SOURCE_DIR:-}"
TARGET_HOST="${TARGET_HOST:-mevnode}"
PG_VERSION="${PG_VERSION:-16}"
ssh_source() {
ssh -o StrictHostKeyChecking=no "$SOURCE_HOST" "$@"
}
ssh_target() {
ssh -o StrictHostKeyChecking=no "$TARGET_HOST" "$@"
}
if [ -z "$SOURCE_DIR" ] && [ -d "$DEFAULT_SOURCE_DIR" ]; then
SOURCE_DIR="$DEFAULT_SOURCE_DIR"
fi
if [ -n "$SOURCE_DIR" ]; then
SRC_SECRET_JSON="$(cat "${SOURCE_DIR}/trade-postgres.json")"
else
SRC_SECRET_JSON="$(ssh_source "sudo k3s kubectl -n ${SOURCE_NAMESPACE} get secret trade-postgres -o json")"
fi
POSTGRES_USER="$(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"