feat: add resume support to coordinator connections (#14234)

codersdk/workspacesdk/workspacesdk.go

@@ -22,6 +22,7 @@ import (
 	"github.com/coder/coder/v2/codersdk"
 	"github.com/coder/coder/v2/tailnet"
 	"github.com/coder/coder/v2/tailnet/proto"
+	"github.com/coder/quartz"
 )
 
 // AgentIP is a static IPv6 address with the Tailscale prefix that is used to route
@@ -55,7 +56,11 @@ const (
 	AgentMinimumListeningPort = 9
 )
 
-const AgentAPIMismatchMessage = "Unknown or unsupported API version"
+const (
+	AgentAPIMismatchMessage = "Unknown or unsupported API version"
+
+	CoordinateAPIInvalidResumeToken = "Invalid resume token"
+)
 
 // AgentIgnoredListeningPorts contains a list of ports to ignore when looking for
 // running applications inside a workspace. We want to ignore non-HTTP servers,
@@ -232,7 +237,7 @@ func (c *Client) DialAgent(dialCtx context.Context, agentID uuid.UUID, options *
 	q.Add("version", "2.0")
 	coordinateURL.RawQuery = q.Encode()
 
-	connector := newTailnetAPIConnector(ctx, options.Logger, agentID, coordinateURL.String(),
+	connector := newTailnetAPIConnector(ctx, options.Logger, agentID, coordinateURL.String(), quartz.NewReal(),
 		&websocket.DialOptions{
 			HTTPClient: c.client.HTTPClient,
 			HTTPHeader: headers,