fix(docker-exec-via-sock): 改进命令执行失败时的日志输出与错误处理

docker-exec-via-sock.sh

@@ -84,12 +84,21 @@ docker_exec_start() {
   docker_exec_start_id=$1
   docker_exec_start_desc=$2
   docker_exec_start_endpoint="${docker_api_base}/exec/${docker_exec_start_id}/start"
-  if ! DOCKER_LAST_RESPONSE=$(curl --fail --show-error --silent --unix-socket "$DOCKER_SOCKET" \
+  DOCKER_LAST_RESPONSE=$(curl --show-error --silent --unix-socket "$DOCKER_SOCKET" \
     -X POST \
     -H "Content-Type: application/json" \
     -d '{"Detach": false, "Tty": true}' \
-    "$docker_exec_start_endpoint"); then
-    log "command execution failed. output from container: $DOCKER_LAST_RESPONSE"
+    "$docker_exec_start_endpoint") || true
+
+  # 检查 exec 实例的退出码
+  exit_code=$(docker_exec_exit_code "$docker_exec_start_id")
+
+  # 如果退出码不是 0，说明命令执行失败
+  if [ "$exit_code" != "0" ]; then
+    log "command execution failed with exit code $exit_code."
+    log "output from container:"
+    # 直接打印从容器收到的原始输出
+    printf '%s\n' "$DOCKER_LAST_RESPONSE"
     return 1
   fi
 
@@ -191,21 +200,9 @@ fi
 
 log "starting exec $exec_id"
 
-if ! start_output=$(docker_exec_start "$exec_id" "exec"); then
-  # The error is already logged inside docker_exec_start
+# docker_exec_start 会处理成功和失败的逻辑，并记录日志
+if ! docker_exec_start "$exec_id" "exec"; then
   exit 1
 fi
 
-if ! exit_code=$(docker_exec_exit_code "$exec_id"); then
-  error_message=$(printf '%s' "$DOCKER_LAST_RESPONSE" | jq -r '.message // "unknown error"')
-  log "could not determine exec exit code: $error_message"
-  exit 1
-fi
-
-if [ "$exit_code" != "0" ]; then
-  log "exec exited with status $exit_code"
-  log "docker inspect response: $DOCKER_LAST_RESPONSE"
-  exit "$exit_code"
-fi
-
 log "command finished successfully"