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-rwxr-xr-xscripts-dev/make_full_schema.sh184
-rwxr-xr-xscripts-dev/update_database33
2 files changed, 190 insertions, 27 deletions
diff --git a/scripts-dev/make_full_schema.sh b/scripts-dev/make_full_schema.sh
new file mode 100755
index 0000000000..60e8970a35
--- /dev/null
+++ b/scripts-dev/make_full_schema.sh
@@ -0,0 +1,184 @@
+#!/bin/bash
+#
+# This script generates SQL files for creating a brand new Synapse DB with the latest
+# schema, on both SQLite3 and Postgres.
+#
+# It does so by having Synapse generate an up-to-date SQLite DB, then running
+# synapse_port_db to convert it to Postgres. It then dumps the contents of both.
+
+POSTGRES_HOST="localhost"
+POSTGRES_DB_NAME="synapse_full_schema.$$"
+
+SQLITE_FULL_SCHEMA_OUTPUT_FILE="full.sql.sqlite"
+POSTGRES_FULL_SCHEMA_OUTPUT_FILE="full.sql.postgres"
+
+REQUIRED_DEPS=("matrix-synapse" "psycopg2")
+
+usage() {
+  echo
+  echo "Usage: $0 -p <postgres_username> -o <path> [-c] [-n] [-h]"
+  echo
+  echo "-p <postgres_username>"
+  echo "  Username to connect to local postgres instance. The password will be requested"
+  echo "  during script execution."
+  echo "-c"
+  echo "  CI mode. Enables coverage tracking and prints every command that the script runs."
+  echo "-o <path>"
+  echo "  Directory to output full schema files to."
+  echo "-h"
+  echo "  Display this help text."
+}
+
+while getopts "p:co:h" opt; do
+  case $opt in
+    p)
+      POSTGRES_USERNAME=$OPTARG
+      ;;
+    c)
+      # Print all commands that are being executed
+      set -x
+
+      # Modify required dependencies for coverage
+      REQUIRED_DEPS+=("coverage" "coverage-enable-subprocess")
+
+      COVERAGE=1
+      ;;
+    o)
+      command -v realpath > /dev/null || (echo "The -o flag requires the 'realpath' binary to be installed" && exit 1)
+      OUTPUT_DIR="$(realpath "$OPTARG")"
+      ;;
+    h)
+      usage
+      exit
+      ;;
+    \?)
+      echo "ERROR: Invalid option: -$OPTARG" >&2
+      usage
+      exit
+      ;;
+  esac
+done
+
+# Check that required dependencies are installed
+unsatisfied_requirements=()
+for dep in "${REQUIRED_DEPS[@]}"; do
+  pip show "$dep" --quiet || unsatisfied_requirements+=("$dep")
+done
+if [ ${#unsatisfied_requirements} -ne 0 ]; then
+  echo "Please install the following python packages: ${unsatisfied_requirements[*]}"
+  exit 1
+fi
+
+if [ -z "$POSTGRES_USERNAME" ]; then
+  echo "No postgres username supplied"
+  usage
+  exit 1
+fi
+
+if [ -z "$OUTPUT_DIR" ]; then
+  echo "No output directory supplied"
+  usage
+  exit 1
+fi
+
+# Create the output directory if it doesn't exist
+mkdir -p "$OUTPUT_DIR"
+
+read -rsp "Postgres password for '$POSTGRES_USERNAME': " POSTGRES_PASSWORD
+echo ""
+
+# Exit immediately if a command fails
+set -e
+
+# cd to root of the synapse directory
+cd "$(dirname "$0")/.."
+
+# Create temporary SQLite and Postgres homeserver db configs and key file
+TMPDIR=$(mktemp -d)
+KEY_FILE=$TMPDIR/test.signing.key # default Synapse signing key path
+SQLITE_CONFIG=$TMPDIR/sqlite.conf
+SQLITE_DB=$TMPDIR/homeserver.db
+POSTGRES_CONFIG=$TMPDIR/postgres.conf
+
+# Ensure these files are delete on script exit
+trap 'rm -rf $TMPDIR' EXIT
+
+cat > "$SQLITE_CONFIG" <<EOF
+server_name: "test"
+
+signing_key_path: "$KEY_FILE"
+macaroon_secret_key: "abcde"
+
+report_stats: false
+
+database:
+  name: "sqlite3"
+  args:
+    database: "$SQLITE_DB"
+
+# Suppress the key server warning.
+trusted_key_servers: []
+EOF
+
+cat > "$POSTGRES_CONFIG" <<EOF
+server_name: "test"
+
+signing_key_path: "$KEY_FILE"
+macaroon_secret_key: "abcde"
+
+report_stats: false
+
+database:
+  name: "psycopg2"
+  args:
+    user: "$POSTGRES_USERNAME"
+    host: "$POSTGRES_HOST"
+    password: "$POSTGRES_PASSWORD"
+    database: "$POSTGRES_DB_NAME"
+
+# Suppress the key server warning.
+trusted_key_servers: []
+EOF
+
+# Generate the server's signing key.
+echo "Generating SQLite3 db schema..."
+python -m synapse.app.homeserver --generate-keys -c "$SQLITE_CONFIG"
+
+# Make sure the SQLite3 database is using the latest schema and has no pending background update.
+echo "Running db background jobs..."
+scripts-dev/update_database --database-config "$SQLITE_CONFIG"
+
+# Create the PostgreSQL database.
+echo "Creating postgres database..."
+createdb $POSTGRES_DB_NAME
+
+echo "Copying data from SQLite3 to Postgres with synapse_port_db..."
+if [ -z "$COVERAGE" ]; then
+  # No coverage needed
+  scripts/synapse_port_db --sqlite-database "$SQLITE_DB" --postgres-config "$POSTGRES_CONFIG"
+else
+  # Coverage desired
+  coverage run scripts/synapse_port_db --sqlite-database "$SQLITE_DB" --postgres-config "$POSTGRES_CONFIG"
+fi
+
+# Delete schema_version, applied_schema_deltas and applied_module_schemas tables
+# This needs to be done after synapse_port_db is run
+echo "Dropping unwanted db tables..."
+SQL="
+DROP TABLE schema_version;
+DROP TABLE applied_schema_deltas;
+DROP TABLE applied_module_schemas;
+"
+sqlite3 "$SQLITE_DB" <<< "$SQL"
+psql $POSTGRES_DB_NAME -U "$POSTGRES_USERNAME" -w <<< "$SQL"
+
+echo "Dumping SQLite3 schema to '$OUTPUT_DIR/$SQLITE_FULL_SCHEMA_OUTPUT_FILE'..."
+sqlite3 "$SQLITE_DB" ".dump" > "$OUTPUT_DIR/$SQLITE_FULL_SCHEMA_OUTPUT_FILE"
+
+echo "Dumping Postgres schema to '$OUTPUT_DIR/$POSTGRES_FULL_SCHEMA_OUTPUT_FILE'..."
+pg_dump --format=plain --no-tablespaces --no-acl --no-owner $POSTGRES_DB_NAME | sed -e '/^--/d' -e 's/public\.//g' -e '/^SET /d' -e '/^SELECT /d' > "$OUTPUT_DIR/$POSTGRES_FULL_SCHEMA_OUTPUT_FILE"
+
+echo "Cleaning up temporary Postgres database..."
+dropdb $POSTGRES_DB_NAME
+
+echo "Done! Files dumped to: $OUTPUT_DIR"
diff --git a/scripts-dev/update_database b/scripts-dev/update_database
index 1776d202c5..23017c21f8 100755
--- a/scripts-dev/update_database
+++ b/scripts-dev/update_database
@@ -26,7 +26,6 @@ from synapse.config.homeserver import HomeServerConfig
 from synapse.metrics.background_process_metrics import run_as_background_process
 from synapse.server import HomeServer
 from synapse.storage import DataStore
-from synapse.storage.engines import create_engine
 from synapse.storage.prepare_database import prepare_database
 
 logger = logging.getLogger("update_database")
@@ -35,21 +34,11 @@ logger = logging.getLogger("update_database")
 class MockHomeserver(HomeServer):
     DATASTORE_CLASS = DataStore
 
-    def __init__(self, config, database_engine, db_conn, **kwargs):
+    def __init__(self, config, **kwargs):
         super(MockHomeserver, self).__init__(
-            config.server_name,
-            reactor=reactor,
-            config=config,
-            database_engine=database_engine,
-            **kwargs
+            config.server_name, reactor=reactor, config=config, **kwargs
         )
 
-        self.database_engine = database_engine
-        self.db_conn = db_conn
-
-    def get_db_conn(self):
-        return self.db_conn
-
 
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(
@@ -85,24 +74,14 @@ if __name__ == "__main__":
     config = HomeServerConfig()
     config.parse_config_dict(hs_config, "", "")
 
-    # Create the database engine and a connection to it.
-    database_engine = create_engine(config.database_config)
-    db_conn = database_engine.module.connect(
-        **{
-            k: v
-            for k, v in config.database_config.get("args", {}).items()
-            if not k.startswith("cp_")
-        }
-    )
+    # Instantiate and initialise the homeserver object.
+    hs = MockHomeserver(config)
 
+    db_conn = hs.get_db_conn()
     # Update the database to the latest schema.
-    prepare_database(db_conn, database_engine, config=config)
+    prepare_database(db_conn, hs.database_engine, config=config)
     db_conn.commit()
 
-    # Instantiate and initialise the homeserver object.
-    hs = MockHomeserver(
-        config, database_engine, db_conn, db_config=config.database_config,
-    )
     # setup instantiates the store within the homeserver object.
     hs.setup()
     store = hs.get_datastore()