add env vars for searching in worker (#773)

This adds the necessary environment variables to execute searches from
worker directly. These variables are copied from the corresponding
frontend configurations.

Author: camdencheek

docker-compose/docker-compose.yaml

@@ -371,6 +371,10 @@ services:
     environment:
       - 'SRC_FRONTEND_INTERNAL=sourcegraph-frontend-internal:3090'
       - JAEGER_AGENT_HOST=jaeger
+      - 'SRC_GIT_SERVERS=gitserver-0:3178'
+      - 'SEARCHER_URL=http://searcher-0:3181'
+      - 'SYMBOLS_URL=http://symbols-0:3184'
+      - 'INDEXED_SEARCH_SERVERS=zoekt-webserver-0:6070'
     volumes:
       - 'worker:/mnt/cache'
     networks:

pure-docker/deploy-worker.sh

@@ -21,6 +21,10 @@ docker run --detach \
     -e GOMAXPROCS=1 \
     -e SRC_FRONTEND_INTERNAL=sourcegraph-frontend-internal:3090 \
     -e JAEGER_AGENT_HOST=jaeger \
+    -e INDEXED_SEARCH_SERVERS="$(addresses "zoekt-webserver-" $NUM_INDEXED_SEARCH ":6070")" \
+    -e SEARCHER_URL="$(addresses "http://searcher-" $NUM_SEARCHER ":3181")" \
+    -e SRC_GIT_SERVERS="$(addresses "gitserver-" $NUM_GITSERVER ":3178")" \
+    -e SYMBOLS_URL="$(addresses "http://symbols-" $NUM_SYMBOLS ":3184")" \
     -v $VOLUME:/mnt/cache \
     index.docker.io/sourcegraph/worker:3.36.3@sha256:b4e56f9f2b1dc6c603463b743aca7da9dfeff83677aa271ace5eacf9e70181b4