Add support for meet guest mode and make meet configurable through env (#105)

* get settings for meet from env
* prepare ssl container for device registration for konnect/kwmserver
* move device registry modification to konnect container
* enable WebApp in the app switcher
* upstream docker container has been updated to alpine 3.9
* update konnect
* add further config for guest mode
* replace the check for the file with a check for konnect startup
* fix kwmserver wrapper
* add possibility to change logging in kwmserver

kwmserver/wrapper.sh

@@ -2,14 +2,72 @@
 
 set -e
 
+# shellcheck disable=SC2154
+if [ -n "$log_level" ]; then
+	set -- "$@" --log-level="$log_level"
+fi
+
 # shellcheck disable=SC2154
 if [ -n "$oidc_issuer_identifier" ]; then
 	set -- "$@" --iss="$oidc_issuer_identifier"
 fi
 
+# shellcheck disable=SC2154
+if [ "$enable_guest_api" = "yes" ]; then
+	set -- "$@" --enable-guest-api
+fi
+
 if [ "$INSECURE" = "yes" ]; then
 	set -- "$@" --insecure
 fi
 
-exec /usr/local/bin/docker-entrypoint.sh serve "$@"
+# kwmserver turn
+# shellcheck disable=SC2154
 
+if [ -z "$turn_service_url" ]; then
+	turn_service_url=https://turnauth.kopano.com/turnserverauth/
+fi
+
+if [ -n "$turn_service_url" ]; then
+	set -- "$@" --turn-service-url="$turn_service_url"
+fi
+
+# shellcheck disable=SC2154
+if [ -n "$turn_service_credentials" ]; then
+	set -- "$@" --turn-service-credentials="$$turn_service_credentials"
+	fi
+
+# shellcheck disable=SC2154
+if [ -n "$turn_server_shared_secret" ]; then
+	set -- "$@" --turn-server-shared-secret="$turn_server_shared_secret"
+fi
+
+# shellcheck disable=SC2154
+if [ -n "$turn_uris" ]; then
+	for uri in $turn_uris; do
+		set -- "$@" --turn-uri="$uri"
+	done
+fi
+
+# kwmserver guest
+# shellcheck disable=SC2154
+if [ "$allow_guest_only_channels" = "yes" ]; then
+	set -- "$@" --allow-guest-only-channels
+fi
+
+# shellcheck disable=SC2154
+if [ -n "$public_guest_access_regexp" ]; then
+	set -- "$@" --public-guest-access-regexp="$public_guest_access_regexp"
+fi
+
+# shellcheck disable=SC2034
+export registration_conf=/kopano/ssl/konnectd-identifier-registration.yaml
+
+# originally I wanted to wait for $registration_conf, but I needed to precreate the file
+# so the konnect container (since the startup is running as nobody) can write to it.
+exec dockerize \
+	-wait http://kopano_konnect:8777/.well-known/openid-configuration \
+        -timeout 360s \
+	/usr/local/bin/docker-entrypoint.sh serve \
+	--registration-conf /kopano/ssl/konnectd-identifier-registration.yaml \
+	"$@"