feat: support for network type (#72)

* feat: support for network type
* example for --network=fakeroot

Signed-off-by: vsoch <vsoch@users.noreply.github.com>

CHANGELOG.md

@@ -14,6 +14,7 @@ and **Merged pull requests**. Critical items to know are:
 The versions coincide with releases on pypi.
 
 ## [0.1.x](https://github.com/singularityhub/singularity-compose/tree/master) (0.1.x)
+ - support for custom network type (0.1.19)
  - fix 'bridge' option for 'up' command (0.1.18)
  - add support for instance replicas (0.1.17)
  - fix check command validation (0.1.16)

docs/commands.md

@@ -2,6 +2,8 @@
 
 The following commands are currently supported. Remember, you must be in the
 present working directory of the compose file to reference the correct instances.
+Along with the below, you can find more details and examples for singularity-compose.yaml
+syntax under the [current spec](spec/spec-2.0.md)
 
 ## check
 

docs/spec/spec-2.0.md

@@ -149,6 +149,26 @@ The example below will disable the network features:
       enable: true | false
 ```
 
+### Custom Network
+
+If you want to add your own customized string of network types for `--network`, just do that:
+
+```yaml
+  instance1:
+    ...
+    network:
+      type: bridge
+```
+
+You might also want `--network=fakeroot`:
+
+```yaml
+  instance1:
+    ...
+    network:
+      type: fakeroot
+```
+
 
 ## Start Group
 

scompose/project/instance.py

@@ -226,8 +226,13 @@ def _get_network_commands(self, ip_address=None):
         # Fakeroot means not needing sudo
         fakeroot = "--fakeroot" in self.start_opts or "-f" in self.start_opts
 
+        # Do we have a custom type?
+        network_type = self.network.get("type")
+        if network_type is not None:
+            ports += ["--network", network_type]
+
         # If not sudo or fakeroot, we need --network none
-        if not self.sudo and not fakeroot:
+        elif not self.sudo and not fakeroot:
             ports += ["--network", "none"]
 
         for pair in self.ports:

scompose/version.py

@@ -8,7 +8,7 @@
 
 """
 
-__version__ = "0.1.18"
+__version__ = "0.1.19"
 AUTHOR = "Vanessa Sochat"
 AUTHOR_EMAIL = "vsoch@users.noreply.github.com"
 NAME = "singularity-compose"