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feat: add debug endpoint for single tailnet #10485

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Merged
merged 2 commits into from
Nov 13, 2023
Merged

feat: add debug endpoint for single tailnet #10485

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76a2d76
feat: add debug endpoint for single tailnet
coadler Nov 1, 2023
b269d53
make gen
coadler Nov 13, 2023
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1 change: 1 addition & 0 deletions coderd/coderd.go
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Original file line number Diff line number Diff line change
Expand Up @@ -943,6 +943,7 @@ func New(options *Options) *API {
)

r.Get("/coordinator", api.debugCoordinator)
r.Get("/tailnet", api.debugTailnet)
r.Get("/health", api.debugDeploymentHealth)
r.Get("/ws", (&healthcheck.WebsocketEchoServer{}).ServeHTTP)
})
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11 changes: 11 additions & 0 deletions coderd/debug.go
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Expand Up @@ -23,6 +23,17 @@ func (api *API) debugCoordinator(rw http.ResponseWriter, r *http.Request) {
(*api.TailnetCoordinator.Load()).ServeHTTPDebug(rw, r)
}

// @Summary Debug Info Tailnet
// @ID debug-info-wireguard-coordinator
// @Security CoderSessionToken
// @Produce text/html
// @Tags Debug
// @Success 200
// @Router /debug/tailnet [get]
func (api *API) debugTailnet(rw http.ResponseWriter, r *http.Request) {
api.agentProvider.ServeHTTPDebug(rw, r)
}

// @Summary Debug Info Deployment Health
// @ID debug-info-deployment-health
// @Security CoderSessionToken
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7 changes: 7 additions & 0 deletions coderd/tailnet.go
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Expand Up @@ -21,6 +21,7 @@ import (

"cdr.dev/slog"
"github.com/coder/coder/v2/coderd/tracing"
"github.com/coder/coder/v2/coderd/workspaceapps"
"github.com/coder/coder/v2/coderd/wsconncache"
"github.com/coder/coder/v2/codersdk"
"github.com/coder/coder/v2/site"
Expand All @@ -38,6 +39,8 @@ func init() {
}
}

var _ workspaceapps.AgentProvider = (*ServerTailnet)(nil)

// NewServerTailnet creates a new tailnet intended for use by coderd. It
// automatically falls back to wsconncache if a legacy agent is encountered.
func NewServerTailnet(
Expand Down Expand Up @@ -419,6 +422,10 @@ func (s *ServerTailnet) DialAgentNetConn(ctx context.Context, agentID uuid.UUID,
}}, err
}

func (s *ServerTailnet) ServeHTTPDebug(w http.ResponseWriter, r *http.Request) {
s.conn.MagicsockServeHTTPDebug(w, r)
}

type netConnCloser struct {
net.Conn
close func()
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2 changes: 2 additions & 0 deletions coderd/workspaceapps/proxy.go
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Expand Up @@ -74,6 +74,8 @@ type AgentProvider interface {
// func.
AgentConn(ctx context.Context, agentID uuid.UUID) (_ *codersdk.WorkspaceAgentConn, release func(), _ error)

ServeHTTPDebug(w http.ResponseWriter, r *http.Request)

Close() error
}

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5 changes: 5 additions & 0 deletions coderd/wsconncache/wsconncache.go
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Expand Up @@ -16,10 +16,13 @@ import (
"golang.org/x/sync/singleflight"
"golang.org/x/xerrors"

"github.com/coder/coder/v2/coderd/workspaceapps"
"github.com/coder/coder/v2/codersdk"
"github.com/coder/coder/v2/site"
)

var _ workspaceapps.AgentProvider = (*AgentProvider)(nil)

type AgentProvider struct {
Cache *Cache
}
Expand Down Expand Up @@ -56,6 +59,8 @@ func (a *AgentProvider) ReverseProxy(targetURL *url.URL, dashboardURL *url.URL,
return proxy, release, nil
}

func (*AgentProvider) ServeHTTPDebug(http.ResponseWriter, *http.Request) {}

func (a *AgentProvider) Close() error {
return a.Cache.Close()
}
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