Update single file firmware page alerts

Create a dotenv variable to determine whether or not the firmware
update is disabled when server is powered on.
This is part of an effort to make the firmware page more dynamic.
These changes are only visible with the ibm dotenv variables.

Signed-off-by: Yoshie Muranaka <[email protected]>
Change-Id: I006e7500855b0acfd0db918e80fffd79a1ec6986

Author: yoshiemuranaka

.env.ibm

@@ -4,4 +4,5 @@ VUE_APP_COMPANY_NAME="IBM"
 CUSTOM_STYLES=true
 CUSTOM_APP_NAV=true
 CUSTOM_ROUTER=true
-CUSTOM_STORE=true
+CUSTOM_STORE=true
+VUE_APP_SERVER_OFF_REQUIRED=true

src/env/components/FirmwareSingleImage/FirmwareSingleImage.vue

@@ -1,7 +1,7 @@
 <template>
   <b-container fluid="xl">
     <page-title />
-    <b-row>
+    <b-row v-if="isServerPowerOffRequired">
       <b-col xl="10">
         <!-- Operation in progress alert -->
         <alert v-if="isOperationInProgress" variant="info" class="mb-5">
@@ -166,7 +166,7 @@
                 {{ $t('pageFirmware.singleFileUpload.startUpdate') }}
               </b-btn>
               <alert
-                v-if="!isHostOff"
+                v-if="isServerPowerOffRequired && !isHostOff"
                 variant="warning"
                 :small="true"
                 class="mt-4"
@@ -239,6 +239,8 @@ export default {
       tftpFileAddress: null,
       timeoutId: null,
       loading,
+      isServerPowerOffRequired:
+        process.env.VUE_APP_SERVER_OFF_REQUIRED === 'true',
     };
   },
   computed: {
@@ -258,7 +260,10 @@ export default {
       'systemFirmwareVersion',
     ]),
     isPageDisabled() {
-      return !this.isHostOff || this.loading || this.isOperationInProgress;
+      if (this.isServerPowerOffRequired) {
+        return !this.isHostOff || this.loading || this.isOperationInProgress;
+      }
+      return this.loading || this.isOperationInProgress;
     },
     showBackupImageStatus() {
       return (