Add edge rad CLI pull to samples tests

.github/scripts/install-radius.sh

@@ -0,0 +1,38 @@
+# ------------------------------------------------------------
+# Copyright 2023 The Radius Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#    
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ------------------------------------------------------------
+
+set -xe
+
+VERSION=$1
+RAD_CLI_URL=https://raw.githubusercontent.com/radius-project/radius/main/deploy/install.sh
+RAD_CLI_EDGE_URL=ghcr.io/radius-project/rad/linux-amd64:latest
+
+if [[ $VERSION == "edge" ]]; then
+    echo Downloading rad CLI edge version
+    oras pull $RAD_CLI_EDGE_URL
+    chmod +x ./rad
+    mv ./rad /usr/local/bin/rad
+elif [[ -n $VERSION && $VERSION != *"rc"* ]]; then
+    INPUT_CHANNEL=$(echo $VERSION | cut -d '.' -f 1,2)
+    echo "Downloading rad CLI version $INPUT_CHANNEL"
+    wget -q $RAD_CLI_URL -O - | /bin/bash -s $INPUT_CHANNEL
+elif [[ -n $VERSION ]]; then
+    echo Downloading rad CLI version $VERSION
+    wget -q $RAD_CLI_URL -O - | /bin/bash -s $VERSION
+else
+    echo Downloading latest rad CLI
+    wget -q $RAD_CLI_URL -O - | /bin/bash
+fi

.github/workflows/test.yaml

@@ -23,7 +23,6 @@ on:
   schedule: # 7:45 AM Pacific Time
     - cron: "45 15 * * *"
 env:
-  RAD_CLI_URL: https://raw.githubusercontent.com/radius-project/radius/main/deploy/install.sh
   RUN_IDENTIFIER: samplestest-${{ github.run_id }}-${{ github.run_attempt }}
 jobs:
   test:
@@ -182,23 +181,11 @@ jobs:
       - name: Download rad CLI
         if: steps.gen-id.outputs.RUN_TEST == 'true'
         run: |
-          for attempt in 1 2 3 4 5; do
-            if [[ -n "${{ inputs.version }}" && "${{ inputs.version }}" != "edge" && "${{ inputs.version }}" != *"rc"* ]]; then
-              INPUT_CHANNEL=$(echo "${{ inputs.version }}" | cut -d '.' -f 1,2)
-              echo "Downloading rad CLI version $INPUT_CHANNEL"
-              wget -q "${{ env.RAD_CLI_URL }}" -O - | /bin/bash -s $INPUT_CHANNEL
-            elif [[ -n "${{ inputs.version }}" ]]; then
-              echo "Downloading rad CLI version ${{ inputs.version }}"
-              wget -q "${{ env.RAD_CLI_URL }}" -O - | /bin/bash -s ${{ inputs.version }}
-            else
-              echo "Downloading latest rad CLI"
-              wget -q "${{ env.RAD_CLI_URL }}" -O - | /bin/bash
-            fi
-
-            if [ $? -eq 0 ]; then
-                break
-            fi
-          done
+          RADIUS_VERSION="${{ inputs.version }}"
+          if [[ -z "${{ inputs.version }}" ]]; then
+              RADIUS_VERSION=edge
+          fi
+          ./.github/scripts/install-radius.sh $RADIUS_VERSION
       - name: Initialize local environment
         if: steps.gen-id.outputs.RUN_TEST == 'true'
         run: |