chore: use mutex around blockEndpoints (coder#8209)

kylecarbs · web-flow · commit f40865bc2fea · 2023-06-26T10:01:50.000-05:00
https://github.com/coder/coder/actions/runs/5378950122/jobs/9759972142
diff --git a/tailnet/conn.go b/tailnet/conn.go
@@ -709,9 +709,11 @@ func (c *Conn) selfNode() *Node {
 		DERPLatency:         derpLatency,
 		DERPForcedWebsocket: derpForcedWebsocket,
 	}
+	c.mutex.Lock()
 	if c.blockEndpoints {
 		node.Endpoints = nil
 	}
+	c.mutex.Unlock()
 	return node
 }
 

Original file line number	Diff line number	Diff line change
`@@ -709,9 +709,11 @@ func (c Conn) selfNode() Node {`
`709`	`709`	`DERPLatency: derpLatency,`
`710`	`710`	`DERPForcedWebsocket: derpForcedWebsocket,`
`711`	`711`	`}`
	`712`	`+ c.mutex.Lock()`
`712`	`713`	`if c.blockEndpoints {`
`713`	`714`	`node.Endpoints = nil`
`714`	`715`	`}`
	`716`	`+ c.mutex.Unlock()`
`715`	`717`	`return node`
`716`	`718`	`}`
`717`	`719`