update collector ci image (#71)

images/Dockerfile.collector

@@ -1,21 +1,30 @@
-FROM circleci/golang:1.13.8-stretch
+FROM circleci/golang:1.15.2-buster
 
 USER 0
 
-RUN apt-get update && apt-get install -y --no-install-recommends lsb-release cmake
+RUN apt-get update && apt-get install -y --no-install-recommends lsb-release cmake python3-distutils
 
 ENV ROX_CI_IMAGE=collector-ci-image
 
-COPY ./static-contents/ /
+COPY ./static-contents/bin/bash-wrapper /bin/
+COPY ./static-contents/etc/bash.env /etc/
+
 RUN \
 	mv /bin/bash /bin/real-bash && \
-	mv /bin/bash-wrapper /bin/bash
+	mv /bin/bash-wrapper /bin/bash && \
+    chmod 755 /bin/bash
 
 USER circleci
 
 # Install GCloud SDK per https://cloud.google.com/sdk/docs/downloads-interactive#linux
 # Note: We DO NOT use apt-get to install it in order to be able to use the built-in
 # upgrade functionality.
-RUN curl https://sdk.cloud.google.com | bash
+RUN curl https://sdk.cloud.google.com > install.sh && bash install.sh --disable-prompts
 
 ENV PATH /home/circleci/google-cloud-sdk/bin:${PATH}
+
+RUN curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && python3 get-pip.py
+RUN \
+  gcloud config set core/disable_prompts True && \
+  gcloud components install gsutil -q && \
+  gcloud components update -q