chore: allow package install downgrade by default

Author: andyzhangx

charts/latest/blob-csi-driver-v0.0.0.tgz

@@ -106,6 +106,8 @@ spec:
               value: "{{ .Values.node.blobfuseProxy.migrateK8sRepo }}"
             - name: SET_READ_AHEAD_SIZE
               value: "{{ .Values.node.blobfuseProxy.setReadAheadSize }}"
+            - name: ALLOW_PACKAGE_INSTALL_DOWNGRADE
+              value: "{{ .Values.node.blobfuseProxy.allowPackageInstallDowngrade }}"
           volumeMounts:
             - name: host-usr
               mountPath: /host/usr

charts/latest/blob-csi-driver/templates/csi-blob-node.yaml

@@ -129,6 +129,7 @@ node:
     disableUpdateDB: true
     migrateK8sRepo: false
     setReadAheadSize: true
+    allowPackageInstallDowngrade: true
   blobfuseCachePath: /mnt
   appendTimeStampInCacheDir: false
   mountPermissions: 0777

charts/latest/blob-csi-driver/values.yaml

@@ -68,6 +68,8 @@ spec:
               value: "9000000"
             - name: DISABLE_UPDATEDB
               value: "true"
+            - name: ALLOW_PACKAGE_INSTALL_DOWNGRADE
+              value: "true"
           volumeMounts:
             - name: host-usr
               mountPath: /host/usr

deploy/csi-blob-node.yaml

@@ -23,6 +23,8 @@ SET_READ_AHEAD_SIZE=${SET_READ_AHEAD_SIZE:-true}
 MIGRATE_K8S_REPO=${MIGRATE_K8S_REPO:-false}
 READ_AHEAD_KB=${READ_AHEAD_KB:-15380}
 KUBELET_PATH=${KUBELET_PATH:-/var/lib/kubelet}
+ALLOW_PACKAGE_INSTALL_DOWNGRADE=${ALLOW_PACKAGE_INSTALL_DOWNGRADE:-true}
+
 if [ "$KUBELET_PATH" != "/var/lib/kubelet" ];then
   echo "kubelet path is $KUBELET_PATH, update blobfuse-proxy.service...."
   sed -i "s#--blobfuse-proxy-endpoint[^ ]*#--blobfuse-proxy-endpoint=unix:/${KUBELET_PATH}/plugins/blob.csi.azure.com/blobfuse-proxy.sock#" /blobfuse-proxy/blobfuse-proxy.service

pkg/blobfuse-proxy/init.sh

@@ -77,6 +77,11 @@ then
     fi
   fi
 
+  if [ "${ALLOW_PACKAGE_INSTALL_DOWNGRADE}" = "true" ]; then
+    echo "allow package install downgrade"
+    pkg_list="${pkg_list} --allow-downgrades"
+  fi
+
   echo "begin to install ${pkg_list}"
   $HOST_CMD apt-get install -y $pkg_list || true
   $HOST_CMD rm -f /etc/packages-microsoft-prod.deb