mirror of
https://github.com/dolthub/dolt.git
synced 2025-12-30 08:50:01 -06:00
283 lines
10 KiB
Bash
Executable File
283 lines
10 KiB
Bash
Executable File
#!/bin/bash
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set -eo pipefail
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# logging functions
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mysql_log() {
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local type="$1"; shift
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local text="$*"; if [ "$#" -eq 0 ]; then text="$(cat)"; fi
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local dt; dt="$(date --rfc-3339=seconds)"
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local color_reset="\033[0m"
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local color
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case "$type" in
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Warn) color="\033[1;33m" ;; # yellow
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ERROR) color="\033[1;31m" ;; # red
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*) color="" ;;
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esac
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printf '%b%s [%s] [Entrypoint]: %s%b\n' "$color" "$dt" "$type" "$text" "$color_reset"
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}
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mysql_note() {
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mysql_log Note "$@"
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}
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mysql_warn() {
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mysql_log Warn "$@" >&2
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}
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mysql_error() {
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mysql_log ERROR "$@" >&2
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mysql_note "Remove this container with 'docker rm -f <container_name>' before retrying"
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exit 1
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}
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docker_process_sql() {
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dolt sql
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}
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CONTAINER_DATA_DIR="/var/lib/dolt"
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INIT_COMPLETED="$CONTAINER_DATA_DIR/.init_completed"
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DOLT_CONFIG_DIR="/etc/dolt/doltcfg.d"
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SERVER_CONFIG_DIR="/etc/dolt/servercfg.d"
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DOLT_ROOT_PATH="/.dolt"
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check_for_dolt() {
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local dolt_bin=$(which dolt)
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if [ ! -x "$dolt_bin" ]; then
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mysql_error "dolt binary executable not found"
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fi
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}
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get_env_var() {
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local var_name="$1"
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local mysql_var="MYSQL_${var_name}"
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local dolt_var="DOLT_${var_name}"
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if [ -n "${!mysql_var}" ]; then
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echo "${!mysql_var}"
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elif [ -n "${!dolt_var}" ]; then
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echo "${!dolt_var}"
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else
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echo ""
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fi
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}
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get_env_var_name() {
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local var_name="$1"
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local mysql_var="MYSQL_${var_name}"
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local dolt_var="DOLT_${var_name}"
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if [ -n "${!mysql_var}" ]; then
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echo "MYSQL_${var_name}"
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elif [ -n "${!dolt_var}" ]; then
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echo "DOLT_${var_name}"
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else
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echo "MYSQL_${var_name}/DOLT_${var_name}"
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fi
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}
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# arg $1 is the directory to search in
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# arg $2 is the type file to search for
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get_config_file_path_if_exists() {
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CONFIG_PROVIDED=
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local CONFIG_DIR=$1
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local FILE_TYPE=$2
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if [ -d "$CONFIG_DIR" ]; then
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mysql_note "Checking for config provided in $CONFIG_DIR"
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local number_of_files_found=$(find "$CONFIG_DIR" -type f -name "*.$FILE_TYPE" | wc -l)
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if [ "$number_of_files_found" -gt 1 ]; then
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CONFIG_PROVIDED=
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mysql_warn "multiple config file found in $CONFIG_DIR, using default config"
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elif [ "$number_of_files_found" -eq 1 ]; then
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local files_found=$(ls "$CONFIG_DIR"/*"$FILE_TYPE")
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mysql_note "$files_found file is found"
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CONFIG_PROVIDED=$files_found
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else
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CONFIG_PROVIDED=
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fi
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fi
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}
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# taken from https://github.com/docker-library/mysql/blob/master/8.0/docker-entrypoint.sh
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# this function will run files found in /docker-entrypoint-initdb.d directory BEFORE server is started
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# usage: docker_process_init_files [file [file [...]]]
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# ie: docker_process_init_files /always-initdb.d/*
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# process initializer files, based on file extensions
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docker_process_init_files() {
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mysql_note "Running init scripts"
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local f
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for f; do
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case "$f" in
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*.sh)
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# https://github.com/docker-library/postgres/issues/450#issuecomment-393167936
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# https://github.com/docker-library/postgres/pull/452
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if [ -x "$f" ]; then
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mysql_note "$0: running $f"
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if ! "$f"; then
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mysql_error "Failed to execute init script '$f'"
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fi
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else
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mysql_note "$0: sourcing $f"
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if ! . "$f"; then
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mysql_error "Failed to source init script '$f'"
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fi
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fi
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;;
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*.sql) mysql_note "$0: running $f"; docker_process_sql < "$f"; echo ;;
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*.sql.bz2) mysql_note "$0: running $f"; bunzip2 -c "$f" | docker_process_sql; echo ;;
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*.sql.gz) mysql_note "$0: running $f"; gunzip -c "$f" | docker_process_sql; echo ;;
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*.sql.xz) mysql_note "$0: running $f"; xzcat "$f" | docker_process_sql; echo ;;
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*.sql.zst) mysql_note "$0: running $f"; zstd -dc "$f" | docker_process_sql; echo ;;
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*) mysql_warn "$0: ignoring $f" ;;
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esac
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echo
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done
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}
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# if there is config file provided through /etc/dolt/doltcfg.d,
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# we overwrite $HOME/.dolt/config_global.json file with this file.
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set_dolt_config_if_defined() {
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get_config_file_path_if_exists "$DOLT_CONFIG_DIR" "json"
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if [ ! -z "$CONFIG_PROVIDED" ]; then
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if ! /bin/cp -rf "$CONFIG_PROVIDED" "$HOME/$DOLT_ROOT_PATH/config_global.json" 2>&1; then
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mysql_error "Failed to copy config file from '$CONFIG_PROVIDED' to '$HOME/$DOLT_ROOT_PATH/config_global.json'. Check file permissions and paths."
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fi
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fi
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}
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create_default_database_from_env() {
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local user
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local password
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local database
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database=$(get_env_var "DATABASE")
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user=$(get_env_var "USER")
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password=$(get_env_var "PASSWORD")
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if [ -n "$database" ]; then
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mysql_note "Creating database '${database}'"
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local db_output
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if ! db_output=$(dolt sql -q "CREATE DATABASE IF NOT EXISTS \`$database\`;" 2>&1); then
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mysql_error "Failed to create database '$database'. Error: $db_output"
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fi
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fi
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if [ "$user" = 'root' ]; then
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# TODO: add ALLOW_EMPTY_PASSWORD and RANDOM_ROOT_PASSWORD support
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mysql_error <<-EOF
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$(get_env_var_name "USER")="root", $(get_env_var_name "USER") and $(get_env_var_name "PASSWORD") are for configuring a regular user and cannot be used for the root user
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Remove $(get_env_var_name "USER")="root" and use the following to control the root user password:
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- DOLT_ROOT_PASSWORD
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EOF
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fi
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if [ -n "$user" ] && [ -z "$password" ]; then
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mysql_error "$(get_env_var_name "USER") specified, but missing $(get_env_var_name "PASSWORD"); user creation requires a password."
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elif [ -z "$user" ] && [ -n "$password" ]; then
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mysql_warn "$(get_env_var_name "PASSWORD") specified, but missing $(get_env_var_name "USER"); password will be ignored"
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return
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fi
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if [ -n "$user" ]; then
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# Get user host from DOLT_USER_HOST/MYSQL_USER_HOST, fall back to DOLT_ROOT_HOST, then localhost
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local user_host
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user_host=$(get_env_var "USER_HOST")
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user_host="${user_host:-${DOLT_ROOT_HOST:-localhost}}"
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mysql_note "Creating user '${user}'"
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if ! dolt sql -q "CREATE USER IF NOT EXISTS '$user'@'$user_host' IDENTIFIED BY '$password';" >/dev/null 2>&1; then
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mysql_error "Failed to create user '$user'. Check if user already exists or if there are permission issues."
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fi
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# Grant basic server access
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mysql_note "Granting server access to user '${user}'"
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if ! dolt sql -q "GRANT USAGE ON *.* TO '$user'@'$user_host';" >/dev/null 2>&1; then
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mysql_error "Failed to grant server access to user '$user'"
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fi
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if [ -n "$database" ]; then
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mysql_note "Giving user '${user}' access to schema '${database}'"
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if ! dolt sql -q "GRANT ALL ON \`$database\`.* TO '$user'@'$user_host';" >/dev/null 2>&1; then
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mysql_error "Failed to grant permissions to user '$user' on database '$database'"
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fi
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fi
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fi
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}
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_main() {
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# check for dolt binary executable
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check_for_dolt
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local dolt_version
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dolt_version=$(dolt version | grep 'dolt version' | cut -f3 -d " ")
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mysql_note "Entrypoint script for Dolt Server $dolt_version starting..."
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declare -g CONFIG_PROVIDED
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# dolt config will be set if user provided a single json file in /etc/dolt/doltcfg.d directory.
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# It will overwrite config_global.json file in $HOME/.dolt
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set_dolt_config_if_defined
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# if there is a single yaml provided in /etc/dolt/servercfg.d directory,
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# it will be used to start the server with --config flag
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get_config_file_path_if_exists "$SERVER_CONFIG_DIR" "yaml"
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if [ ! -z "$CONFIG_PROVIDED" ]; then
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set -- "$@" --config="$CONFIG_PROVIDED"
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fi
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# TODO: add support for MYSQL_ROOT_HOST and MYSQL_ROOT_PASSWORD
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# Note: User creation will happen after server starts to avoid conflicts with default users
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if [[ ! -f $INIT_COMPLETED ]]; then
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# run any file provided in /docker-entrypoint-initdb.d directory before the server starts
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if ls /docker-entrypoint-initdb.d/* >/dev/null 2>&1; then
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docker_process_init_files /docker-entrypoint-initdb.d/*
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else
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mysql_warn "No files found in /docker-entrypoint-initdb.d/ to process"
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fi
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touch $INIT_COMPLETED
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fi
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# Start server in background for user setup
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mysql_note "Starting Dolt server in background..."
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dolt sql-server --host=0.0.0.0 --port=3306 "$@" > /tmp/server.log 2>&1 &
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local server_pid=$!
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# Wait for server to be ready
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local max_attempts=30
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local attempt=0
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while [ $attempt -lt $max_attempts ]; do
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if dolt sql -q "SELECT 1;" >/dev/null 2>&1; then
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mysql_note "Server initialization complete!"
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break
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fi
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sleep 1
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attempt=$((attempt + 1))
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done
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if [ $attempt -eq $max_attempts ]; then
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mysql_error "Server failed to start within 30 seconds"
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fi
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# Create root user with the specified host (defaults to localhost if not specified)
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local root_host="${DOLT_ROOT_HOST:-localhost}"
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mysql_note "Ensuring root@${root_host} superuser exists with password"
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# Ensure root user exists with correct password and permissions
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mysql_note "Configuring root@${root_host} user"
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dolt sql -q "CREATE USER IF NOT EXISTS 'root'@'${root_host}' IDENTIFIED BY '${DOLT_ROOT_PASSWORD}'; ALTER USER 'root'@'${root_host}' IDENTIFIED BY '${DOLT_ROOT_PASSWORD}'; GRANT ALL ON *.* TO 'root'@'${root_host}' WITH GRANT OPTION;" >/dev/null 2>&1 || mysql_error "Failed to configure root@${root_host} user."
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# If DOLT_DATABASE or MYSQL_DATABASE has been specified, create the database if it does not exist
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create_default_database_from_env
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# Show what users exist for debugging
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mysql_note "Current users in the system:"
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dolt sql -q "SELECT User, Host FROM mysql.user;" 2>&1 | grep -v "^$" || mysql_warn "Could not list users"
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mysql_note "Reattaching to server process..."
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cat /tmp/server.log
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# Kill the background process and restart in foreground to show live output
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kill $server_pid 2>/dev/null || true
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wait $server_pid 2>/dev/null || true
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# Start server in foreground to show live output
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exec dolt sql-server --host=0.0.0.0 --port=3306 "$@"
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}
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_main "$@"
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