这是我在 stackoverflow 上的第一个问题，所以我希望它会遵守社区准则：
我已经基于已经存在的映像构建了一个 docker映像，该映像的唯一目的是在容器中运行 duplicity 以将文件和文件夹备份到欧洲的 Amazon S3 存储桶。
Duplicity 在图像生成的容器内手动运行时工作了几天。现在我继续通过带有CoreOS的主机上的单元文件运行容器并且事情不再起作用-但是该命令也不起作用它我在重复容器中手动运行它..
运行命令：
docker run --rm --env-file=<my backup env file>.env --name=<container image> -v <cache container>:/home/duplicity/.cache/duplicity -v <docker volume with gpg keys>:/home/duplicity/.gnupg --volumes-from <docker container of interest> gymnae/duplicity
env 文件包含以下内容：
PASSPHRASE=<my super secret passphrase>
AWS_ACCESS_KEY_ID=<my aws access key id>
AWS_SECRET_ACCESS_KEY=<my aws access key>
SOURCE_PATH=<where does the data come from>
REMOTE_URL=s3://s3.eu-central-1.amazonaws.com/<my bucket>
PARAMS_CLEAN="--remove-older-than 3M --force --extra-clean"
ENCRYPT_KEY=<derived from the gpg key>
被init.sh调用的docker run看起来像这样：
#!/bin/sh
duplicity \
--verbosity 8 \
--s3-use-ia \
--s3-use-new-style \
--s3-use-server-side-encryption \
--s3-european-buckets \
--allow-source-mismatch \
--ssl-no-check-certificate \
--s3-unencrypted-connection \
--volsize 150 \
--gpg-options "--no-tty" \
--encrypt-key $ENCRYPT_KEY \
--sign-key $ENCRYPT_KEY \
$SOURCE_PATH \
$REMOTE_URL
我尝试使用-i,-it和-tjust -d- 但结果始终相同：
===== Begin GnuPG log =====
gpg: using "<supersecret>" as default secret key for signing
gpg: signing failed: Not a tty
gpg: [stdin]: sign+encrypt failed: Not a tty
===== End GnuPG log =====
GPG error detail: Traceback (most recent call last):
File "/usr/bin/duplicity", line 1532, in <module>
with_tempdir(main)
File "/usr/bin/duplicity", line 1526, in with_tempdir
fn()
File "/usr/bin/duplicity", line 1380, in main
do_backup(action)
File "/usr/bin/duplicity", line 1508, in do_backup
incremental_backup(sig_chain)
File "/usr/bin/duplicity", line 662, in incremental_backup
globals.backend)
File "/usr/bin/duplicity", line 425, in write_multivol
at_end = gpg.GPGWriteFile(tarblock_iter, tdp.name, globals.gpg_profile, globals.volsize)
File "/usr/lib/python2.7/site-packages/duplicity/gpg.py", line 356, in GPGWriteFile
file.close()
File "/usr/lib/python2.7/site-packages/duplicity/gpg.py", line 241, in close
self.gpg_failed()
File "/usr/lib/python2.7/site-packages/duplicity/gpg.py", line 226, in gpg_failed
raise GPGError(msg)
GPGError: GPG Failed, see log below:
===== Begin GnuPG log =====
gpg: using "<supersecret>" as default secret key for signing
gpg: signing failed: Not a tty
gpg: [stdin]: sign+encrypt failed: Not a tty
===== End GnuPG log =====
Not a ttygpg 尝试签名时出现的这个错误很奇怪。
以前这似乎不是问题，或者我在深夜班上疯狂打字，它曾经工作过，但现在它不想再工作了。