feat: set meshConfig.accessLogFile configuration for exposing logs (#371

)

* feat: set meshConfig.accessLogFile configuration for exposing logs

This setting allow users to access debug logs.

Fixes #370

charms/istio-pilot/src/charm.py

@@ -211,6 +211,7 @@ def _istioctl_extra_flags(self):
 
         # Extra flags to pass to the istioctl install command
         # These flags will configure the container images used by the control plane
+        # As well as set the access log files for help during debugging
         extra_flags = [
             "--set",
             f"values.pilot.image={pilot_image}",
@@ -222,6 +223,8 @@ def _istioctl_extra_flags(self):
             f"values.global.proxy.image={global_proxy_image}",
             "--set",
             f"values.global.proxy_init.image={global_proxy_init_image}",
+            "--set",
+            "meshConfig.accessLogFile=/dev/stdout",
         ]
 
         # The following are a set of flags that configure the CNI behaviour

charms/istio-pilot/tests/unit/test_charm.py

@@ -1372,6 +1372,8 @@ def test_upgrade_successful(
                 "values.global.proxy.image=proxyv2",
                 "--set",
                 "values.global.proxy_init.image=proxyv2",
+                "--set",
+                "meshConfig.accessLogFile=/dev/stdout",
             ],
         )
         mocked_istioctl.upgrade.assert_called_with()