container: improve auto-configuration

- Fix issue with /public and /workdir not working out-of-box
- Automatically set zflist-bin config if container special file detected

README.md

@@ -18,7 +18,8 @@ Here are some point you need to run the hub:
 - Mount host docker.sock to `/var/run/docker.sock` to be able to run docker converter
 
 Regarding configuration, here are some requirement:
-- `zflist-bin` have to be set to: `/usr/bin/zflist` (it's part of the image)
+- `zflist-bin` have to be or unset or set to: `/usr/bin/zflist` (it's part of the image)
+  - Comment this line in config to make it simple
 
 Dockerfile can be found on `deployment` directory.
 

deployment/Dockerfile

@@ -47,6 +47,7 @@ RUN apt-get update && apt-get install -y \
   python3-requests python3-nacl python3-jose && \
   tar -xf /hub.tar -C / && rm -f /hub.tar && \
   mkdir /public /workdir && \
+  touch /.hub-container && \
   rm -rf /var/lib/apt/lists/*
 
 WORKDIR /hub/src

src/config.py.sample

@@ -58,7 +58,8 @@ config = {
 
     ## You can provide an optional zflist binary path
     ## if not provided, the default value will be used
-    ## (/opt/0-flist/zflist/zflist)
+    ##  - /opt/0-flist/zflist/zflist (default)
+    ##  - /usr/bin/zflist (hub container)
     ##
     ## Note: you _need_ to use a non-debug version of zflist
     ## you can make a non-debug version of zflist by using
@@ -71,7 +72,7 @@ config = {
     ## If you have a debug version of zflist, it will print
     ## extra debug information and json won't be parsed
     ## correctly
-    'zflist-bin': '/opt/0-flist/zflist/zflist',
+    # 'zflist-bin': '/opt/0-flist/zflist/zflist',
 
     ## You can specify a special userdata (list of users
     ## directories) and workdir (temporary directories where

src/flist-uploader.py

@@ -23,10 +23,16 @@
 # theses location should works out-of-box if you use default settings
 #
 if not 'userdata-root-path' in config:
-    config['userdata-root-path'] = os.path.join(os.path.dirname(os.path.realpath(__file__)), "../public")
+    if os.path.exists("/.hub-container"):
+        config['userdata-root-path'] = "/public"
+    else:
+        config['userdata-root-path'] = os.path.join(os.path.dirname(os.path.realpath(__file__)), "../public")
 
 if not 'workdir-root-path' in config:
-    config['workdir-root-path'] = os.path.join(os.path.dirname(os.path.realpath(__file__)), "../workdir")
+    if os.path.exists("/.hub-container"):
+        config['workdir-root-path'] = "/workdir"
+    else:
+        config['workdir-root-path'] = os.path.join(os.path.dirname(os.path.realpath(__file__)), "../workdir")
 
 if not 'public-directory' in config:
     config['public-directory'] = os.path.join(config['userdata-root-path'], "users")
@@ -46,12 +52,16 @@
 if not 'authentication' in config:
     config['authentication'] = True
 
-print("[+] user  directory : %s" % config['userdata-root-path'])
-print("[+] works directory : %s" % config['workdir-root-path'])
-print("[+] upload directory: %s" % config['upload-directory'])
-print("[+] flist creation  : %s" % config['flist-work-directory'])
-print("[+] docker creation : %s" % config['docker-work-directory'])
-print("[+] public directory: %s" % config['public-directory'])
+if not 'zflist-bin' in config and os.path.exists("/.hub-container"):
+    config['zflist-bin'] = '/usr/bin/zflist'
+
+print("[+] userdata directory: %s" % config['userdata-root-path'])
+print("[+] workdir directory : %s" % config['workdir-root-path'])
+print("[+] upload directory  : %s" % config['upload-directory'])
+print("[+] flist creation    : %s" % config['flist-work-directory'])
+print("[+] docker creation   : %s" % config['docker-work-directory'])
+print("[+] public directory  : %s" % config['public-directory'])
+print("[+] zflist binary path: %s" % config['zflist-bin'])
 
 checking = [
     config['userdata-root-path'],