Firebase云函数生成子进程中的Imagemagick转换失败

我尝试在图像上传到Firebase存储后，使用一个监听新文件上传的云函数，将图像裁剪为纵横比12:19

ImageMagic的“convert”命令在本地工作。但是，云函数的“派生”过程存在未知/非描述性错误

异步/等待函数的灵感来源于：

日志如下所示：

2019-04-12T04:05:56.135523524Z D cropWorkerPhoto: Function execution started
2019-04-12T04:05:56.135560721Z D cropWorkerPhoto: Billing account not configured. External network is not accessible and quotas are severely limited. Configure billing account to remove these restrictions
2019-04-12T04:05:57.300Z I cropWorkerPhoto: downloading workers/worker_QG5obDng8Q1v6STI0wJJ
2019-04-12T04:05:57.301Z I cropWorkerPhoto: and storing it in /tmp/worker_QG5obDng8Q1v6STI0wJJ
2019-04-12T04:05:57.301Z I cropWorkerPhoto: Cropping Picture for worker: QG5obDng8Q1v6STI0wJJ
2019-04-12T04:05:59.647Z E cropWorkerPhoto: ChildProcessError: `convert /tmp/worker_QG5obDng8Q1v6STI0wJJ -gravity center -crop 12:19! /tmp/worker_QG5obDng8Q1v6STI0wJJ` failed with code 1
    at ChildProcess.<anonymous> (/srv/node_modules/child-process-promise/lib/index.js:132:23)
    at emitTwo (events.js:126:13)
    at ChildProcess.emit (events.js:214:7)
    at maybeClose (internal/child_process.js:915:16)
    at Socket.stream.socket.on (internal/child_process.js:336:11)
    at emitOne (events.js:116:13)
    at Socket.emit (events.js:211:7)
    at Pipe._handle.close [as _onclose] (net.js:561:12)
2019-04-12T04:05:59.741519767Z D cropWorkerPhoto: Function execution took 3607 ms, finished with status: 'error'

2019-04-12T04:05:56.135523524Z D cropWorkerPhoto:函数执行已开始
2019-04-12T04:05:56.135560721Z D cropWorkerPhoto:未配置计费帐户。外部网络无法访问，配额受到严重限制。配置帐单帐户以删除这些限制
2019-04-12T04:05:57.300Z I cropWorkerPhoto:下载工人/worker_QG5obDng8Q1v6STI0wJJ
2019-04-12T04:05:57.301Z I cropWorkerPhoto:并将其存储在/tmp/worker_QG5obDng8Q1v6STI0wJJ中
2019-04-12T04:05:57.301Z I cropWorkerPhoto：工人裁剪图片：QG5obDng8Q1v6STI0wJJ
2019-04-12T04:05:59.647Z E cropWorkerPhoto:ChildProcessError:'convert/tmp/worker_QG5obDng8Q1v6STI0wJJ-重心-裁剪12:19/tmp/worker_QG5obDng8Q1v6STI0wJJ`失败，代码为1
在这个过程中。效果很好

当我尝试使用“扩展”而不是“裁剪”时，错误完全相同

如何获取“convert”命令的错误输出

如何查看Firebase服务器中安装的ImageMagick版本？
这不是您正在使用的完整代码（缺少导入并需要）。什么是
spawn
，它是否像代码所期望的那样返回承诺？还请注意，ImageMagick不是Firebase主机的一部分。它安装了云功能。@DougStevenson，ty。我添加了代码中缺少的依赖项。”“Spawn”在子进程中执行给定命令。在本例中，它返回一个承诺，从这里我可以访问它的stdout和stderr。我发现谷歌云中运行的ImageMagick是v。6.9.7-4，这就是为什么要使用“作物”标志。当时我正在寻找一种在云中更新它的方法，或者使用另一个命令进行裁剪。
2019-04-12T04:05:56.135523524Z D cropWorkerPhoto: Function execution started
2019-04-12T04:05:56.135560721Z D cropWorkerPhoto: Billing account not configured. External network is not accessible and quotas are severely limited. Configure billing account to remove these restrictions
2019-04-12T04:05:57.300Z I cropWorkerPhoto: downloading workers/worker_QG5obDng8Q1v6STI0wJJ
2019-04-12T04:05:57.301Z I cropWorkerPhoto: and storing it in /tmp/worker_QG5obDng8Q1v6STI0wJJ
2019-04-12T04:05:57.301Z I cropWorkerPhoto: Cropping Picture for worker: QG5obDng8Q1v6STI0wJJ
2019-04-12T04:05:59.647Z E cropWorkerPhoto: ChildProcessError: `convert /tmp/worker_QG5obDng8Q1v6STI0wJJ -gravity center -crop 12:19! /tmp/worker_QG5obDng8Q1v6STI0wJJ` failed with code 1
    at ChildProcess.<anonymous> (/srv/node_modules/child-process-promise/lib/index.js:132:23)
    at emitTwo (events.js:126:13)
    at ChildProcess.emit (events.js:214:7)
    at maybeClose (internal/child_process.js:915:16)
    at Socket.stream.socket.on (internal/child_process.js:336:11)
    at emitOne (events.js:116:13)
    at Socket.emit (events.js:211:7)
    at Pipe._handle.close [as _onclose] (net.js:561:12)
2019-04-12T04:05:59.741519767Z D cropWorkerPhoto: Function execution took 3607 ms, finished with status: 'error'