Merge pull request #2274 from kinvolk/invidian/fix-linux-bootstrap-ex…

…tension-command-with-bash

azure: fix bootstrap extension command error path for bash

azure/defaults.go

@@ -103,7 +103,7 @@ const (
 
 var (
 	// LinuxBootstrapExtensionCommand is the command the VM bootstrap extension will execute to verify Linux nodes bootstrap completes successfully.
-	LinuxBootstrapExtensionCommand = fmt.Sprintf("for i in $(seq 1 %d); do test -f %s && break; if [ $i -eq %d ]; then return 1; else sleep %d; fi; done", bootstrapExtensionRetries, bootstrapSentinelFile, bootstrapExtensionRetries, bootstrapExtensionSleep)
+	LinuxBootstrapExtensionCommand = fmt.Sprintf("for i in $(seq 1 %d); do test -f %s && break; if [ $i -eq %d ]; then exit 1; else sleep %d; fi; done", bootstrapExtensionRetries, bootstrapSentinelFile, bootstrapExtensionRetries, bootstrapExtensionSleep)
 	// WindowsBootstrapExtensionCommand is the command the VM bootstrap extension will execute to verify Windows nodes bootstrap completes successfully.
 	WindowsBootstrapExtensionCommand = fmt.Sprintf("powershell.exe -Command \"for ($i = 0; $i -lt %d; $i++) {if (Test-Path '%s') {exit 0} else {Start-Sleep -Seconds %d}} exit -2\"",
 		bootstrapExtensionRetries, bootstrapSentinelFile, bootstrapExtensionSleep)