[fix:10]在CMD命令中启用变量；修改脚本输出信息；清除脚本中多余的root用户检测

10/Dockerfile

@@ -151,4 +151,4 @@ EXPOSE 5432
 ENTRYPOINT ["entrypoint.sh"]
 
 # 应用程序的服务命令，必须使用非守护进程方式运行。如果使用变量，则该变量必须在运行环境中存在（ENV可以获取）
-CMD ["postgres", "--config-file=${PG_CONF_FILE}"]
+CMD ["${APP_EXEC}", "--config-file=${PG_CONF_FILE}"]

10/prebuilds/usr/local/bin/appcommon.sh

@@ -495,11 +495,7 @@ app_start_server_bg() {
     # -o command line options to pass to postgres or initdb
     local -r pg_ctl_flags=("-W" "-D" "$PG_DATA_DIR" "-l" "$PG_LOG_FILE" "-o" "--config-file=$PG_CONF_FILE --external_pid_file=$PG_PID_FILE --hba_file=$PG_HBA_FILE")
     LOG_I "Starting ${APP_NAME} in background..."
-    local pg_ctl_cmd=()
-    if _is_run_as_root; then
-        pg_ctl_cmd+=("gosu" "$APP_USER")
-    fi
-    pg_ctl_cmd+=(pg_ctl)
+    local pg_ctl_cmd=(pg_ctl)
     if is_boolean_yes "${ENV_DEBUG}"; then
         "${pg_ctl_cmd[@]}" "start" "${pg_ctl_flags[@]}"
     else
@@ -507,11 +503,7 @@ app_start_server_bg() {
     fi
 
     local -r check_args=("-h" "localhost" "-p" "${PG_PORT_NUMBER}" "-U" "postgres")
-    local check_cmd=()
-    if _is_run_as_root; then
-        check_cmd=("gosu" "$APP_USER")
-    fi
-    check_cmd+=(pg_isready)
+    local check_cmd=(pg_isready)
     local counter=$PG_INIT_MAX_TIMEOUT
     LOG_I "Checking ${APP_NAME} ready status..."
     while ! PGPASSWORD=$PG_REPLICATION_PASSWORD "${check_cmd[@]}" "${check_args[@]}" >/dev/null 2>&1; do
@@ -728,11 +720,7 @@ postgresql_master_init_db() {
     #initdb+=("-o" "--config-file=$PG_CONF_FILE --external_pid_file=$PG_PID_FILE --hba_file=$PG_HBA_FILE")
     initdb_args+=("--waldir=$APP_DATA_LOG_DIR")
 
-    local initdb_cmd=()
-    if _is_run_as_root; then
-        initdb_cmd+=("gosu" "$APP_USER")
-    fi
-    initdb_cmd+=(initdb)
+    local initdb_cmd=(initdb)
 
     LOG_I "Initializing PostgreSQL database"
 
@@ -757,11 +745,7 @@ postgresql_master_init_db() {
 postgresql_slave_init_db() {
     LOG_I "Waiting for replication master to accept connections (${PG_INIT_MAX_TIMEOUT} seconds)..."
     local -r check_args=("-U" "$PG_REPLICATION_USER" "-h" "$PG_MASTER_HOST" "-p" "$PG_MASTER_PORT_NUMBER" "-d" "postgres")
-    local check_cmd=()
-    if _is_run_as_root; then
-        check_cmd=("gosu" "$APP_USER")
-    fi
-    check_cmd+=(pg_isready)
+    local check_cmd=(pg_isready)
     local ready_counter=$PG_INIT_MAX_TIMEOUT
 
     while ! PGPASSWORD=$PG_REPLICATION_PASSWORD "${check_cmd[@]}" "${check_args[@]}" >/dev/null 2>&1;do
@@ -776,11 +760,7 @@ postgresql_slave_init_db() {
     LOG_I "Replicating the database from node master..."
     #local -r backup_args=("-D" "$PG_DATA_DIR" -d "hostaddr=$PG_MASTER_HOST port=$PG_MASTER_PORT_NUMBER user=$PG_REPLICATION_USER password=$PG_REPLICATION_PASSWORD" -v -Fp -Xs
     local -r backup_args=("-D" "$PG_DATA_DIR" "-U" "$PG_REPLICATION_USER" "-h" "$PG_MASTER_HOST" "-p" "$PG_MASTER_PORT_NUMBER" "-X" "stream" "-w" "-v" "-P")
-    local backup_cmd=()
-    if _is_run_as_root; then
-        backup_cmd+=("gosu" "$APP_USER")
-    fi
-    backup_cmd+=(pg_basebackup)
+    local backup_cmd=(pg_basebackup)
     local replication_counter=$PG_INIT_MAX_TIMEOUT
 
     while ! PGPASSWORD=$PG_REPLICATION_PASSWORD "${backup_cmd[@]}" "${backup_args[@]}";do

10/prebuilds/usr/local/bin/entrypoint.sh

@@ -54,6 +54,9 @@ docker_ensure_dir_and_configs() {
 }
 
 _main() {
+	# 替换命令行中的变量
+	set -- $(eval echo "$@")
+
 	# 如果命令行参数是以配置参数("-")开始，修改执行命令，确保使用可执行应用命令启动服务器
 	if [ "${1:0:1}" = '-' ]; then
 		set -- "${APP_EXEC}" "$@"
@@ -87,9 +90,11 @@ _main() {
 			LOG_D "Change permissions of stdout/stderr to 0622"
 			chmod 0622 /dev/stdout /dev/stderr
 
+			LOG_I ""
 			LOG_I "Restart container with default user: ${APP_USER}"
+			LOG_I "  command: $@"
 	        export RESTART_FLAG=1
-			exec gosu "${APP_USER}" "$0" $(eval echo "$@")
+			exec gosu "${APP_USER}" "$0" "$@"
 		fi
 		
 		# 执行预初始化操作
@@ -103,8 +108,8 @@ _main() {
 	fi
 
 	LOG_I "Start container with command: $@"
-	# 执行命令行。使用 evel 替换后，可支持 Dockerfile 脚本的 CMD 命令中使用变量
-	exec $(eval echo "$@")
+	# 执行命令行。
+	exec "$@"
 }
 
 # 脚本入口命令

10/prebuilds/usr/local/scripts/libcommon.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Ver: 1.0 by Endial Fang (endial@126.com)
+# Ver: 1.1 by Endial Fang (endial@126.com)
 #
 
 # shellcheck disable=SC1091
@@ -122,10 +122,10 @@ ensure_config_file_exist() {
 #   布尔值
 _is_run_as_root() {
     if [[ "$(id -u)" = "0" ]]; then
-        LOG_D "Run as root"
+        LOG_D "Check if run as root: Yes"
         true
     else
-        LOG_D "User id: $(id -u)"
+        LOG_D "Check if run as root: No (ID $(id -u))"
         false
     fi
 }

10/prebuilds/usr/local/scripts/libfs.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Ver: 1.0 by Endial Fang (endial@126.com)
+# Ver: 1.1 by Endial Fang (endial@126.com)
 #
 # 文件管理函数库