{CI} Add extension dependency check

azure-pipelines.yml

@@ -525,6 +525,25 @@ jobs:
   - bash: ./scripts/ci/test_extensions.sh
     displayName: 'Load extensions'
 
+- job: TestExtensionsDependency
+  displayName: Test Extensions Dependency
+  condition: succeeded()
+  timeoutInMinutes: 40
+
+  pool:
+    name: ${{ variables.ubuntu_pool }}
+  strategy:
+    matrix:
+      Python310:
+        python.version: '3.10'
+  steps:
+  - task: UsePythonVersion@0
+    displayName: 'Use Python $(python.version)'
+    inputs:
+      versionSpec: '$(python.version)'
+  - bash: ./scripts/ci/test_extensions_dependency.sh
+    displayName: 'Install extensions'
+
 - job: BuildHomebrewFormula
   displayName: Build Homebrew Formula
 

scripts/ci/test_extensions_dependency.sh

@@ -0,0 +1,48 @@
+#!/usr/bin/env bash
+python3 -m venv env
+source env/bin/activate
+pip install --upgrade pip
+source ./scripts/install_full.sh
+
+cp -r env/lib lib_backup
+
+echo "Listing Available Extensions:"
+az extension list-available -otable
+
+# turn off telemetry as it crowds output
+export AZURE_CLI_DIAGNOSTICS_TELEMETRY=
+
+output=$(az extension list-available --query [].name -otsv)
+
+ignore_list='attestation cloud-service functionapp serial-console'
+
+exit_code=0
+for ext in $output; do
+    echo
+
+    echo "Verifying extension:" $ext
+    url=$(python -c "from azure.cli.core.extension._resolve import  resolve_from_index;print(resolve_from_index('$ext')[0])")
+    echo Download $url
+    curl -sOL $url
+    pip install *.whl
+    # pip still install new package even if conflict occurs, use pip check to verify
+    pip check
+    if [ $? != 0 ]
+        then
+            # Use regex to detect if $ext is in $ignore_list
+            if [[ $ignore_list =~ $ext ]]; then
+                echo "Ignore extension: $ext"
+            else
+                echo "Dependency conflict detected:" $ext
+                exit_code=1
+            fi
+        fi
+    rm *.whl
+    deactivate
+    rsync -ar --delete "lib_backup/" "env/lib"
+    source env/bin/activate
+
+done
+
+
+exit $exit_code