More ways of obtaining gitlab-runner for container

prepare.sh

@@ -93,10 +93,72 @@ install_command() {
 
 install_dependencies() {
  # Copy gitlab-runner binary from the server into the container
- if [ -x /usr/local/bin/gitlab-runner ]; then
- podman cp --pause=false /usr/local/bin/gitlab-runner "$CONTAINER_ID":/usr/bin/gitlab-runner
- else
- podman cp --pause=false /usr/bin/gitlab-runner "$CONTAINER_ID":/usr/bin/gitlab-runner
+ local RUNNER_BINARY
+ local RUNNER_BINARY_PREFIX
+ local RUNNER_BINARY_TMP
+
+ # First check some predefined paths
+ for RUNNER_BINARY_PREFIX in /usr{/local,}/bin
+ do
+ RUNNER_BINARY="${RUNNER_BINARY_PREFIX}/gitlab-runner"
+ if [ -x "${RUNNER_BINARY}" ]
+ then
+ break
+ fi
+ done
+
+ # If unsuccessful, check shell PATHs
+ if [ ! -x "${RUNNER_BINARY}" ]
+ then
+ RUNNER_BINARY="$(type -p gitlab-runner || true)"
+ fi
+
+ # As a last resort, download binary...
+ if [ ! -x "${RUNNER_BINARY}" ]
+ then
+ # ... to temporary directory
+ RUNNER_BINARY_TMP="$(mktemp --directory --tmpdir="${CACHE_DIR}")"
+ RUNNER_BINARY="${RUNNER_BINARY_TMP}/gitlab-runner"
+
+ # Find local architecture to download correct binary
+ # https://stackoverflow.com/questions/45125516/possible-values-for-uname-m/45125525#45125525
+ local RUNNER_BINARY_ARCH
+ local RUNNER_BINARY_URL
+ case "$(uname -m)" in
+ x86_64)
+ RUNNER_BINARY_ARCH=amd64
+ ;;
+ arm)
+ RUNNER_BINARY_ARCH=arm
+ ;;
+ i[36]86)
+ RUNNER_BINARY_ARCH=386
+ ;;
+ aarch64|armv8l)
+ RUNNER_BINARY_ARCH=arm64
+ ;;
+ s390*)
+ RUNNER_BINARY_ARCH=s390x
+ ;;
+ ppc64le)
+ RUNNER_BINARY_ARCH=ppc64le
+ ;;
+ esac
+ # https://docs.gitlab.com/runner/install/linux-manually.html#install-1
+ RUNNER_BINARY_URL="https://gitlab-runner-downloads.s3.amazonaws.com/latest/binaries/gitlab-runner-linux-${RUNNER_BINARY_ARCH}"
+
+ # Errors during download should kill the script...
+ curl --location --output "${RUNNER_BINARY}" "${RUNNER_BINARY_URL}"
+ # ... otherwise, we now have a working gitlab-runner binary
+ chmod +x "${RUNNER_BINARY}"
+ fi
+
+ podman cp --pause=false "${RUNNER_BINARY}" "$CONTAINER_ID":/usr/bin/gitlab-runner
+
+ # Clean up if download directory was used
+ if [ -d "${RUNNER_BINARY_TMP}" ]
+ then
+ rm -rf "${RUNNER_BINARY_TMP}"
  fi
 
  # Install bash in systems with APK (e.g., Alpine)