testing: remove btlr binary (#589)

fixes #588

Author: Takashi Matsuo

ci/btlr

@@ -14,9 +14,9 @@
 
 ARG NODE_VERSION=14
 
-FROM node:${NODE_VERSION}-alpine as build
+FROM golang:1.19.4-alpine3.17 as build
 
-RUN apk add --no-cache curl tar python3
+RUN apk add --no-cache curl tar python3 git
 
 # Install gcloud
 RUN curl https://dl.google.com/dl/cloudsdk/release/google-cloud-sdk.tar.gz > /tmp/google-cloud-sdk.tar.gz
@@ -30,9 +30,18 @@ RUN curl https://github.com/googleapis/repo-automation-bots/releases/download/fl
     -o /bin/flakybot -s -L \
     && chmod +x /bin/flakybot
 
+# Build btlr
+RUN git clone https://github.com/googleapis/btlr.git \
+  && cd btlr \
+  && git checkout 9d264287b11b3bb556a3b7204c5b61bd1da4d96c \
+  && go build \
+  && cp btlr /bin/btlr \
+  && chmod 0755 /bin/btlr
+
 FROM node:${NODE_VERSION}-alpine
 
 COPY --from=build /bin/flakybot /bin/flakybot
+COPY --from=build /bin/btlr /bin/btlr
 
 # Hack for not found error with flakybot
 RUN mkdir /lib64 && ln -s /lib/libc.musl-x86_64.so.1 /lib64/ld-linux-x86-64.so.2

ci/cloudbuild/Dockerfile

@@ -27,7 +27,7 @@ export PROJECT_ROOT=$(pwd)
 test_script="${PROJECT_ROOT}/ci/cloudbuild/run_single_test.sh"
 
 # btlr binary
-btlr_bin="${PROJECT_ROOT}/ci/btlr"
+btlr_bin="/bin/btlr"
 
 if [ ${BUILD_TYPE} == "presubmit" ]; then