Cannot bind mount a file that already exists in the container

[matevarga]

C:\Users\m\src\phr\docker\local [develop ≡]> docker run -it -v C:\Users\m\src\phr\docker\local\broker-config.yml:/cryptoservice/broker-config.yml image-name bash

C:\Program Files\Docker\Docker\Resources\bin\docker.exe: Error response from daemon: oci runtime error: rootfs_linux.go:53: mounting "/var/lib/docker/aufs/mn t/90d24356afdeb7b9ddad4b3b6903be92063151c33bf34f3d63ede464437060c6/cryptoservice/broker-config.yml" to rootfs "/var/lib/docker/aufs/mnt/90d24356afdeb7b9ddad4 b3b6903be92063151c33bf34f3d63ede464437060c6" caused "not a directory".

Expected behavior

Similarly to how Docker behaves on Linux, the container should start.

Actual behavior

See above

Information

This happens on Win10 latest (1511?) + Docker 1.12, and with Mac as well (can't provide version for now).
I'll try to make an image with which this is reproducible.

[Reanmachine]

Having this issue myself:

ERROR: for balance-server  Cannot start service balance-server: 
oci runtime error: rootfs_linux.go:53: mounting
  "/var/lib/docker/aufs/mnt/148ee28f5388813cad2c9573d86884622802447e8f5c0b04eba36ce38fed3bf7/opt/balance/package.json" 
to rootfs
  "/var/lib/docker/aufs/mnt/148ee28f5388813cad2c9573d86884622802447e8f5c0b04eba36ce38fed3bf7" 
caused "not a directory"

Docker:

> docker version
Client:
 Version:      1.12.0
 API version:  1.24
 Go version:   go1.6.3
 Git commit:   8eab29e
 Built:        Thu Jul 28 21:15:28 2016
 OS/Arch:      windows/amd64

Server:
 Version:      1.12.0
 API version:  1.24
 Go version:   go1.6.3
 Git commit:   8eab29e
 Built:        Thu Jul 28 21:15:28 2016
 OS/Arch:      linux/amd64

Docker Compose:

> docker-compose version
docker-compose version 1.8.0, build d988a55
docker-py version: 1.9.0
CPython version: 2.7.11
OpenSSL version: OpenSSL 1.0.2d 9 Jul 2015

Windows:

[oparoz]

Same problem here when using compose.

It fails to mount those files

    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf:ro
      - ./config.php:/var/www/html/config/config.php

Tried both with stable and beta24.

[maltyxx]

+1 me too

[friism]

Hm, this works for me:

C:\tmp> cat .\test.txt
hello
C:\tmp> docker run --rm -v c:/tmp/test.txt:/data/test-foo.txt alpine cat /data/test-foo.txt
hello
C:\tmp>

Is this a compose-specific problem?

[dgageot]

@oparoz @maltyxx @matevarga Could you please test with Beta25 that was released two days ago. It contains some fixes related to file mounting. If you still have the issue, could you confirm:

• That it works with docker cli like it works for @friism
• It still fails with Compose. In which case a simple compose file to reproduce the issue would be nice.

[oparoz]

Here is an example which still doesn't work:
https://github.com/otbe/nc-docker-fpm/blob/master/example/docker-compose.yml

>docker --version
Docker version 1.12.1, build 23cf638, experimental
>docker-compose --version
docker-compose version 1.8.0, build d988a55

[oparoz]

And regarding the test

>cat .\test.txt
'cat' is not recognized as an internal or external command,
operable program or batch file.

Not sure if that's relevant, but I created the file manually and then

>docker run --rm -v test.txt:/data/test-foo.txt alpine cat /data/test-foo.txt
cat: read error: Is a directory

[15:58:13.883][ApiProxy       ][Info   ] Rewrote mount ./test.txt:/data/test-foo.txt (volumeDriver=) to test.txt:/data/test-foo.txt
[15:58:13.905][ApiProxy       ][Info   ] Failed to Walk to [snapshots 2e2f1dfbcaec1aa6b57bb05a7347b542c844fe0b ro com.docker.driver.amd64-linux proxy http] 9p: No such file or directory
[15:58:13.913][ApiProxy       ][Info   ] Failed to Walk to [snapshots 2e2f1dfbcaec1aa6b57bb05a7347b542c844fe0b ro com.docker.driver.amd64-linux proxy https] 9p: No such file or directory
[15:58:13.922][ApiProxy       ][Info   ] Failed to Walk to [snapshots 2e2f1dfbcaec1aa6b57bb05a7347b542c844fe0b ro com.docker.driver.amd64-linux proxy exclude] 9p: No such file or directory

[oparoz]

Same problem on beta26

[gegana]

Same problem here

`version: '2'
services:
    helloworld-service:
        container_name: helloworldapp
        build: .

    reverse-proxy:
        container_name: reverse-proxy
        image: nginx
        ports:
         - "9090:8080"
        volumes:
         - ./nginx.conf:/etc/nginx/nginx.conf:ro`

this also did not work for me

C:\tmp> cat .\test.txt
hello
C:\tmp> docker run --rm -v c:/tmp/test.txt:/data/test-foo.txt alpine cat /data/test-foo.txt
hello
C:\tmp>

cat: read error: Is a directory

[oparoz]

Apparently fixed on beta27

[dgageot]

Hi everyone, is it fixed for all of you with Beta27?

I'm going to tag the ticket as "will be closed" and will close it in a week of so if nobody complains :-) Thanks again for your reports!

[dgageot]

Hi, I'm closing the issue has said a week ago. Feel free to reopen if the issue is still there, of course!

[docker-robott]

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