Merge pull request #141 from nirs/download-nightly

docs: add download-odf-nightly.sh script

Author: openshift-merge-bot[bot]

README.md

@@ -109,3 +109,15 @@ These are the arguments that apply to all commands:
     ```bash
     ./bin/odf -h
     ```
+
+### Download nightly build
+
+If you want to test the latest nightly build you can use the
+download-odf-nightly.sh script:
+
+```bash
+scripts/download-odf-nightly.sh v4.19
+```
+
+The command downloads the latest 4.19 build image and extracts the odf
+executable to the current directory.

scripts/download-odf-nightly.sh

@@ -0,0 +1,64 @@
+#!/bin/sh
+# Download a nightly build of odf cli executable for the current platform and
+# architecture.
+
+set -e
+
+version="$1"
+
+if [ -z "$version" ]; then
+    cat <<EOF
+Usage: $0 VERSION
+
+Examples:
+
+  $0 v4.19
+
+EOF
+    exit 1
+fi
+
+image="quay.io/rhceph-dev/odf4-odf-cli-rhel9:$version"
+platform=$(uname)
+
+case $platform in
+Darwin)
+    platform=macosx
+    executable=odf
+    ;;
+Linux)
+    platform=linux
+    machine=$(uname -m)
+    case $machine in
+    x86_64)
+        executable=odf-amd64
+        ;;
+    aarch64)
+        executable=odf-arm64
+        ;;
+    ppc64le,s390x)
+        executable=odf-$machine
+        ;;
+    *)
+        echo "unsupported machine $machine"
+        exit 1
+        ;;
+    esac
+    ;;
+*)
+    echo "unsupported platform $platform"
+    exit 1
+    ;;
+esac
+
+# We have only linux/amd64, linux/s390x, and linux/ppc64le images. The
+# linux/amd64 image includes builds for all platforms.
+oc image extract "$image" \
+    --filter-by-os "^linux/amd64" \
+    --file "/usr/share/odf/$platform/$executable"
+
+chmod +x "$executable"
+
+if [ "$executable" != "odf" ]; then
+    mv "$executable" odf
+fi