osmo-bsc: Parametrize codec-list VTY cfg

Change-Id: I1678aba43e8d399ecad192cbc416698373e3c0a0

example/defaults.conf

@@ -14,6 +14,8 @@ bsc:
     short_name: osmo-gsm-tester-msc
     long_name: osmo-gsm-tester-msc
     encryption: a5_0
+    codec_list:
+    - hr3
 
 msc:
   net:

example/scenarios/cfg-codec-fr1.conf

@@ -0,0 +1,5 @@
+config:
+  bsc:
+    net:
+      codec_list:
+      - fr1

example/scenarios/cfg-codec-fr2.conf

@@ -0,0 +1,5 @@
+config:
+  bsc:
+    net:
+      codec_list:
+      - fr2

example/scenarios/cfg-codec-fr3.conf

@@ -0,0 +1,5 @@
+config:
+  bsc:
+    net:
+      codec_list:
+      - fr3

example/scenarios/cfg-codec-hr1.conf

@@ -0,0 +1,5 @@
+config:
+  bsc:
+    net:
+      codec_list:
+      - hr1

example/scenarios/cfg-codec-hr2.conf

@@ -0,0 +1,5 @@
+config:
+  bsc:
+    net:
+      codec_list:
+      - hr2

example/scenarios/cfg-codec-hr3.conf

@@ -0,0 +1,5 @@
+config:
+  bsc:
+    net:
+      codec_list:
+      - hr3

src/osmo_gsm_tester/resource.py

@@ -87,7 +87,8 @@ WANT_SCHEMA = util.dict_add(
     RESOURCES_SCHEMA)
 
 CONF_SCHEMA = util.dict_add(
-    { 'defaults.timeout': schema.STR },
+    { 'defaults.timeout': schema.STR,
+      'config.bsc.net.codec_list[]': schema.CODEC },
     dict([('resources.%s' % key, val) for key, val in WANT_SCHEMA.items()]),
     dict([('modifiers.%s' % key, val) for key, val in WANT_SCHEMA.items()]))
 

src/osmo_gsm_tester/schema.py

@@ -110,6 +110,11 @@ def channel_allocator(val):
         return
     raise ValueError('Unknown Channel Allocator Policy %r' % val)
 
+def codec(val):
+    if val in ('hr1', 'hr2', 'hr3', 'fr1', 'fr2', 'fr3'):
+        return
+    raise ValueError('Unknown Codec value: %r' % val)
+
 INT = 'int'
 STR = 'str'
 UINT = 'uint'
@@ -126,6 +131,7 @@ CIPHER = 'cipher'
 MODEM_FEATURE = 'modem_feature'
 PHY_CHAN = 'chan'
 CHAN_ALLOCATOR = 'chan_allocator'
+CODEC = 'codec'
 
 SCHEMA_TYPES = {
         INT: int,
@@ -144,6 +150,7 @@ SCHEMA_TYPES = {
         MODEM_FEATURE: modem_feature,
         PHY_CHAN: phy_channel_config,
         CHAN_ALLOCATOR: channel_allocator,
+        CODEC: codec,
     }
 
 def validate(config, schema):

src/osmo_gsm_tester/templates/osmo-bsc.cfg.tmpl

@@ -110,7 +110,7 @@ msc
  mgw remote-port 2427
  mgw local-ip ${bsc.ip_address.addr}
  mgw endpoint-range 1 31
- codec-list hr3
+ codec-list ${' '.join(bsc.net.codec_list)}
  amr-config 12_2k forbidden
  amr-config 10_2k forbidden
  amr-config 7_95k forbidden