Websocket Support in Managed VM
When attempting to establish a websocket connection from a Google-managed virtual machine's Golang application, errors like "WebSocket connection failed" or "websocket: connection header != upgrade" may arise. This question explores the underlying challenges and provides clarification on Managed VM's support for Golang websockets.
Does Managed VM support Golang websockets?
As indicated by Google's documentation and sample code, Managed VMs currently provide websocket support specifically in Java. While Golang support is not yet available, it may be introduced in future releases as Managed VMs mature beyond their Beta phase.
What are the implications?
The lack of native Golang websocket support in Managed VMs means that developers must explore alternative ways to implement websocket functionality in their applications. This may involve utilizing third-party libraries or migrating to languages that support websockets in Managed VMs, such as Java.
Recommended Actions
For applications that require websocket support in Managed VMs, the following options can be considered:
- Utilize third-party libraries that bridge the gap between Golang and websocket implementation in Managed VMs.
- Switch to a language like Java, which has native websocket support in Managed VMs.
- Stay updated with Google's announcements regarding future updates to Managed VM capabilities, as support for Golang websockets may be introduced.
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