mirror of
https://mau.dev/maunium/synapse.git
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fff9b955fa
* Generate separate snapshots for sqlite, postgres and common * Cleanup postgres dbs in the TRAP * Say which logical DB we're applying updates to * Run background updates on the state DB * Add new option for accepting a SCHEMA_NUMBER
264 lines
8.7 KiB
Bash
Executable file
264 lines
8.7 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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# This script generates SQL files for creating a brand new Synapse DB with the latest
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# schema, on both SQLite3 and Postgres.
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export PGHOST="localhost"
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POSTGRES_MAIN_DB_NAME="synapse_full_schema_main.$$"
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POSTGRES_COMMON_DB_NAME="synapse_full_schema_common.$$"
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POSTGRES_STATE_DB_NAME="synapse_full_schema_state.$$"
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REQUIRED_DEPS=("matrix-synapse" "psycopg2")
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usage() {
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echo
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echo "Usage: $0 -p <postgres_username> -o <path> [-c] [-n <schema number>] [-h]"
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echo
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echo "-p <postgres_username>"
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echo " Username to connect to local postgres instance. The password will be requested"
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echo " during script execution."
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echo "-c"
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echo " CI mode. Prints every command that the script runs."
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echo "-o <path>"
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echo " Directory to output full schema files to."
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echo "-n <schema number>"
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echo " Schema number for the new snapshot. Used to set the location of files within "
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echo " the output directory, mimicking that of synapse/storage/schemas."
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echo " Defaults to 9999."
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echo "-h"
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echo " Display this help text."
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}
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SCHEMA_NUMBER="9999"
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while getopts "p:co:hn:" opt; do
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case $opt in
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p)
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export PGUSER=$OPTARG
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;;
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c)
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# Print all commands that are being executed
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set -x
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;;
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o)
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command -v realpath > /dev/null || (echo "The -o flag requires the 'realpath' binary to be installed" && exit 1)
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OUTPUT_DIR="$(realpath "$OPTARG")"
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;;
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h)
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usage
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exit
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;;
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n)
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SCHEMA_NUMBER="$OPTARG"
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;;
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\?)
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echo "ERROR: Invalid option: -$OPTARG" >&2
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usage
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exit
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;;
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esac
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done
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# Check that required dependencies are installed
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unsatisfied_requirements=()
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for dep in "${REQUIRED_DEPS[@]}"; do
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pip show "$dep" --quiet || unsatisfied_requirements+=("$dep")
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done
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if [ ${#unsatisfied_requirements} -ne 0 ]; then
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echo "Please install the following python packages: ${unsatisfied_requirements[*]}"
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exit 1
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fi
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if [ -z "$PGUSER" ]; then
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echo "No postgres username supplied"
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usage
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exit 1
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fi
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if [ -z "$OUTPUT_DIR" ]; then
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echo "No output directory supplied"
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usage
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exit 1
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fi
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# Create the output directory if it doesn't exist
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mkdir -p "$OUTPUT_DIR"
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read -rsp "Postgres password for '$PGUSER': " PGPASSWORD
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echo ""
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export PGPASSWORD
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# Exit immediately if a command fails
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set -e
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# cd to root of the synapse directory
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cd "$(dirname "$0")/.."
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# Create temporary SQLite and Postgres homeserver db configs and key file
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TMPDIR=$(mktemp -d)
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KEY_FILE=$TMPDIR/test.signing.key # default Synapse signing key path
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SQLITE_CONFIG=$TMPDIR/sqlite.conf
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SQLITE_MAIN_DB=$TMPDIR/main.db
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SQLITE_STATE_DB=$TMPDIR/state.db
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SQLITE_COMMON_DB=$TMPDIR/common.db
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POSTGRES_CONFIG=$TMPDIR/postgres.conf
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# Ensure these files are delete on script exit
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cleanup() {
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echo "Cleaning up temporary sqlite database and config files..."
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rm -r "$TMPDIR"
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echo "Cleaning up temporary Postgres database..."
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dropdb --if-exists "$POSTGRES_COMMON_DB_NAME"
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dropdb --if-exists "$POSTGRES_MAIN_DB_NAME"
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dropdb --if-exists "$POSTGRES_STATE_DB_NAME"
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}
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trap 'cleanup' EXIT
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cat > "$SQLITE_CONFIG" <<EOF
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server_name: "test"
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signing_key_path: "$KEY_FILE"
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macaroon_secret_key: "abcde"
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report_stats: false
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databases:
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common:
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name: "sqlite3"
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data_stores: []
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args:
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database: "$SQLITE_COMMON_DB"
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main:
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name: "sqlite3"
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data_stores: ["main"]
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args:
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database: "$SQLITE_MAIN_DB"
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state:
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name: "sqlite3"
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data_stores: ["state"]
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args:
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database: "$SQLITE_STATE_DB"
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# Suppress the key server warning.
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trusted_key_servers: []
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EOF
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cat > "$POSTGRES_CONFIG" <<EOF
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server_name: "test"
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signing_key_path: "$KEY_FILE"
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macaroon_secret_key: "abcde"
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report_stats: false
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databases:
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common:
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name: "psycopg2"
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data_stores: []
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args:
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user: "$PGUSER"
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host: "$PGHOST"
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password: "$PGPASSWORD"
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database: "$POSTGRES_COMMON_DB_NAME"
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main:
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name: "psycopg2"
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data_stores: ["main"]
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args:
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user: "$PGUSER"
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host: "$PGHOST"
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password: "$PGPASSWORD"
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database: "$POSTGRES_MAIN_DB_NAME"
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state:
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name: "psycopg2"
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data_stores: ["state"]
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args:
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user: "$PGUSER"
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host: "$PGHOST"
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password: "$PGPASSWORD"
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database: "$POSTGRES_STATE_DB_NAME"
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# Suppress the key server warning.
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trusted_key_servers: []
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EOF
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# Generate the server's signing key.
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echo "Generating SQLite3 db schema..."
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python -m synapse.app.homeserver --generate-keys -c "$SQLITE_CONFIG"
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# Make sure the SQLite3 database is using the latest schema and has no pending background update.
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echo "Running db background jobs..."
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synapse/_scripts/update_synapse_database.py --database-config "$SQLITE_CONFIG" --run-background-updates
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# Create the PostgreSQL database.
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echo "Creating postgres databases..."
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createdb --lc-collate=C --lc-ctype=C --template=template0 "$POSTGRES_COMMON_DB_NAME"
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createdb --lc-collate=C --lc-ctype=C --template=template0 "$POSTGRES_MAIN_DB_NAME"
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createdb --lc-collate=C --lc-ctype=C --template=template0 "$POSTGRES_STATE_DB_NAME"
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echo "Running db background jobs..."
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synapse/_scripts/update_synapse_database.py --database-config "$POSTGRES_CONFIG" --run-background-updates
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echo "Dropping unwanted db tables..."
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# Some common tables are created and updated by Synapse itself and do not belong in the
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# schema.
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DROP_APP_MANAGED_TABLES="
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DROP TABLE schema_version;
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DROP TABLE schema_compat_version;
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DROP TABLE applied_schema_deltas;
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DROP TABLE applied_module_schemas;
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"
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# Other common tables are not created by Synapse and do belong in the schema.
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# TODO: we could derive DROP_COMMON_TABLES from the dump of the common-only DB. But
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# since there's only one table there, I haven't bothered to do so.
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DROP_COMMON_TABLES="$DROP_APP_MANAGED_TABLES
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DROP TABLE background_updates;
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"
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sqlite3 "$SQLITE_COMMON_DB" <<< "$DROP_APP_MANAGED_TABLES"
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sqlite3 "$SQLITE_MAIN_DB" <<< "$DROP_COMMON_TABLES"
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sqlite3 "$SQLITE_STATE_DB" <<< "$DROP_COMMON_TABLES"
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psql "$POSTGRES_COMMON_DB_NAME" -w <<< "$DROP_APP_MANAGED_TABLES"
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psql "$POSTGRES_MAIN_DB_NAME" -w <<< "$DROP_COMMON_TABLES"
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psql "$POSTGRES_STATE_DB_NAME" -w <<< "$DROP_COMMON_TABLES"
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# For Reasons(TM), SQLite's `.schema` also dumps out "shadow tables", the implementation
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# details behind full text search tables. Omit these from the dumps.
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sqlite3 "$SQLITE_MAIN_DB" <<< "
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DROP TABLE event_search_content;
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DROP TABLE event_search_segments;
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DROP TABLE event_search_segdir;
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DROP TABLE event_search_docsize;
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DROP TABLE event_search_stat;
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DROP TABLE user_directory_search_content;
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DROP TABLE user_directory_search_segments;
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DROP TABLE user_directory_search_segdir;
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DROP TABLE user_directory_search_docsize;
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DROP TABLE user_directory_search_stat;
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"
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echo "Dumping SQLite3 schema..."
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mkdir -p "$OUTPUT_DIR/"{common,main,state}"/full_schema/$SCHEMA_NUMBER"
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sqlite3 "$SQLITE_COMMON_DB" ".schema --indent" > "$OUTPUT_DIR/common/full_schema/$SCHEMA_NUMBER/full.sql.sqlite"
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sqlite3 "$SQLITE_COMMON_DB" ".dump --data-only --nosys" >> "$OUTPUT_DIR/common/full_schema/$SCHEMA_NUMBER/full.sql.sqlite"
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sqlite3 "$SQLITE_MAIN_DB" ".schema --indent" > "$OUTPUT_DIR/main/full_schema/$SCHEMA_NUMBER/full.sql.sqlite"
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sqlite3 "$SQLITE_MAIN_DB" ".dump --data-only --nosys" >> "$OUTPUT_DIR/main/full_schema/$SCHEMA_NUMBER/full.sql.sqlite"
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sqlite3 "$SQLITE_STATE_DB" ".schema --indent" > "$OUTPUT_DIR/state/full_schema/$SCHEMA_NUMBER/full.sql.sqlite"
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sqlite3 "$SQLITE_STATE_DB" ".dump --data-only --nosys" >> "$OUTPUT_DIR/state/full_schema/$SCHEMA_NUMBER/full.sql.sqlite"
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cleanup_pg_schema() {
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sed -e '/^$/d' -e '/^--/d' -e 's/public\.//g' -e '/^SET /d' -e '/^SELECT /d'
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}
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echo "Dumping Postgres schema..."
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pg_dump --format=plain --schema-only --no-tablespaces --no-acl --no-owner "$POSTGRES_COMMON_DB_NAME" | cleanup_pg_schema > "$OUTPUT_DIR/common/full_schema/$SCHEMA_NUMBER/full.sql.postgres"
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pg_dump --format=plain --data-only --inserts --no-tablespaces --no-acl --no-owner "$POSTGRES_COMMON_DB_NAME" | cleanup_pg_schema >> "$OUTPUT_DIR/common/full_schema/$SCHEMA_NUMBER/full.sql.postgres"
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pg_dump --format=plain --schema-only --no-tablespaces --no-acl --no-owner "$POSTGRES_MAIN_DB_NAME" | cleanup_pg_schema > "$OUTPUT_DIR/main/full_schema/$SCHEMA_NUMBER/full.sql.postgres"
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pg_dump --format=plain --data-only --inserts --no-tablespaces --no-acl --no-owner "$POSTGRES_MAIN_DB_NAME" | cleanup_pg_schema >> "$OUTPUT_DIR/main/full_schema/$SCHEMA_NUMBER/full.sql.postgres"
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pg_dump --format=plain --schema-only --no-tablespaces --no-acl --no-owner "$POSTGRES_STATE_DB_NAME" | cleanup_pg_schema > "$OUTPUT_DIR/state/full_schema/$SCHEMA_NUMBER/full.sql.postgres"
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pg_dump --format=plain --data-only --inserts --no-tablespaces --no-acl --no-owner "$POSTGRES_STATE_DB_NAME" | cleanup_pg_schema >> "$OUTPUT_DIR/state/full_schema/$SCHEMA_NUMBER/full.sql.postgres"
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echo "Done! Files dumped to: $OUTPUT_DIR"
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