/start.sh: line 14: /data/turnserver.conf: Permission denied

[Qwertie-]

When running the example command

# docker run -v /tmp/data:/data --rm -e SERVER_NAME=localhost -e REPORT_STATS=no avhost/docker-matrix:v0.28.1 generate

It outputs

-=> generate turn config
/start.sh: line 14: /data/turnserver.conf: Permission denied
/start.sh: line 15: /data/turnserver.conf: Permission denied
/start.sh: line 16: /data/turnserver.conf: Permission denied
/start.sh: line 17: /data/turnserver.conf: Permission denied
/start.sh: line 18: /data/turnserver.conf: Permission denied
/start.sh: line 19: /data/turnserver.conf: Permission denied
/start.sh: line 20: /data/turnserver.conf: Permission denied
/start.sh: line 21: /data/turnserver.conf: Permission denied
-=> generate synapse config
Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/usr/local/lib/python2.7/dist-packages/synapse/app/homeserver.py", line 511, in <module>
    main()
  File "/usr/local/lib/python2.7/dist-packages/synapse/app/homeserver.py", line 506, in main
    hs = setup(sys.argv[1:])
  File "/usr/local/lib/python2.7/dist-packages/synapse/app/homeserver.py", line 287, in setup
    config_options,
  File "/usr/local/lib/python2.7/dist-packages/synapse/config/_base.py", line 284, in load_or_generate_config
    with open(config_path, "wb") as config_file:
IOError: [Errno 13] Permission denied: '/data/homeserver.tmp'
-=> configure some settings in homeserver.yaml
awk: cannot open /data/homeserver.tmp (No such file or directory)
mv: cannot create regular file '/data/homeserver.tmp': Permission denied
mv: cannot stat '/data/homeserver.tmp': No such file or directory
-=> configure some settings in localhost.log.config
sed: can't read /data/localhost.log.config: No such file or directory

-=> you have to review the generated configuration file homeserver.yaml

OS is Fedora 28

[mvgorcum]

I can't reproduce this on ubuntu 18.04, but it looks like you don't have write permissions in the folder that you're going to place the config files in, in your case /tmp/data could that be it?

[andreaspeters]

I can't repoduce too on arch linux:

  ~ mkdir /tmp/data
➜  ~ docker run -v /tmp/data:/data --rm -e SERVER_NAME=localhost -e REPORT_STATS=no avhost/docker-matrix:v0.28.1 generate
Unable to find image 'avhost/docker-matrix:v0.28.1' locally
v0.28.1: Pulling from avhost/docker-matrix
f2aa67a397c4: Pull complete 
60f108f4f72a: Pull complete 
e1a2b73ff041: Pull complete 
7fb4a4fb61f9: Pull complete 
6e01b07a97a7: Pull complete 
0fa1c06d8c27: Pull complete 
Digest: sha256:eea7cb97a4589dc202fa842e2999dd22d237eb9f6e19c53e2b6a054df6ad3229
Status: Downloaded newer image for avhost/docker-matrix:v0.28.1
-=> generate turn config
-=> generate synapse config
A config file has been generated in '/data/homeserver.tmp' for server name 'localhost' with corresponding SSL keys and self-signed certificates. Please review this file and customise it to your needs.
If this server name is incorrect, you will need to regenerate the SSL certificates
-=> configure some settings in homeserver.yaml
-=> configure some settings in localhost.log.config

-=> you have to review the generated configuration file homeserver.yaml

[Qwertie-]

Turns out adding :z to the end of the fs mount part fixed it. Think it has to do with SELinux