Moved dnsmasq configuration into docker-compose file allowing for customization; resolves #214

CHANGELOG.md

@@ -5,6 +5,8 @@
 
 **Enhancements:**
 
+* Added ability to provide persistent additional configuration to `dnsmasq` service (issue [#214](https://github.com/davidalger/warden/issues/214))
+* Added ability to easily specify alternate nameservers for `dnsmasq` to use (issue [#214](https://github.com/davidalger/warden/issues/214))
 * Updated version of Portainer from 1.24.X to 2.0.X ([#245](https://github.com/davidalger/warden/pull/245) by @ragfire)
 
 ## Version [0.9.1](https://github.com/davidalger/warden/tree/0.9.1) (2020-08-25)

commands/svc.cmd

@@ -34,7 +34,6 @@ if [[ "${WARDEN_PARAMS[0]}" == "up" ]]; then
     ## copy configuration files into location where they'll be mounted into containers from
     mkdir -p "${WARDEN_HOME_DIR}/etc/traefik"
     cp "${WARDEN_DIR}/config/traefik/traefik.yml" "${WARDEN_HOME_DIR}/etc/traefik/traefik.yml"
-    cp "${WARDEN_DIR}/config/dnsmasq.conf" "${WARDEN_HOME_DIR}/etc/dnsmasq.conf"
 
     ## generate dynamic traefik ssl termination configuration
     cat > "${WARDEN_HOME_DIR}/etc/traefik/dynamic.yml" <<-EOT

config/dnsmasq.conf

@@ -1,16 +0,0 @@
-#dnsmasq config, for a complete example, see:
-#  http://oss.segetech.com/intra/srv/dnsmasq.conf
-
-#log all dns queries (enable as-needed for debugging purposes)
-# log-queries
-
-#dont use hosts nameservers
-no-resolv
-
-#use cloudflare as default nameservers, prefer 1^4
-server=1.0.0.1
-server=1.1.1.1
-strict-order
-
-#explicitly define host-ip mappings
-address=/.test/127.0.0.1

docker/docker-compose.yml

@@ -36,8 +36,30 @@ services:
     image: jpillora/dnsmasq
     ports:
       - "127.0.0.1:53:53/udp"
-    volumes:
-      - ${WARDEN_HOME_DIR}/etc/dnsmasq.conf:/etc/dnsmasq.conf
+    environment:
+      WARDEN_DNSMASQ_CONF: |-
+        #dnsmasq config, for a complete example, see:
+        #  http://oss.segetech.com/intra/srv/dnsmasq.conf
+
+        #log all dns queries (enable as-needed for debugging purposes)
+        # log-queries
+
+        #dont use hosts nameservers
+        no-resolv
+
+        #use cloudflare as default nameservers, prefer 1^4
+        server=${WARDEN_DNSMASQ_NS1:-1.0.0.1}
+        server=${WARDEN_DNSMASQ_NS2:-1.1.1.1}
+        strict-order
+
+        #explicitly define host-ip mappings
+        address=/.test/127.0.0.1
+        ${WARDEN_DNSMASQ_CONF_ADDITIONAL:-}
+
+    entrypoint: ["/bin/sh", "-c", "
+        echo \"$$WARDEN_DNSMASQ_CONF\" > /etc/dnsmasq.conf;
+        webproc --config /etc/dnsmasq.conf -- dnsmasq --no-daemon;
+      "]
     labels:
       - traefik.enable=true
       - traefik.http.routers.dnsmasq.tls=true