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feat(nftables): collect counters over ssh

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sagitchu
2026-06-06 18:36:22 +08:00
committed by sagit
parent 9e69e020ab
commit 03524f4a65
3 changed files with 84 additions and 12 deletions
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go-backend/internal/runtime/nftables/manager_test.go
+53 -4
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@@ -8,9 +8,11 @@ import (
)
type fakeRunner struct {
scripts []string
err error
testErr error
scripts []string
err error
testErr error
listJSON []byte
listJSONErr error
}
func (f *fakeRunner) ApplyScript(ctx context.Context, cfg SSHConfig, script string) error {
@@ -22,12 +24,16 @@ func (f *fakeRunner) Test(ctx context.Context, cfg SSHConfig) error {
return f.testErr
}
func (f *fakeRunner) ListTableJSON(ctx context.Context, cfg SSHConfig) ([]byte, error) {
return f.listJSON, f.listJSONErr
}
func TestManagerReconcileAppliesRenderedScript(t *testing.T) {
runner := &fakeRunner{}
manager := NewManager(runner)
plan := NodePlan{
NodeID: 7,
Rules: []Rule{{ForwardID: 42, InPort: 24000, TargetHost: "198.51.100.20", TargetPort: 443, Protocols: []string{"tcp", "udp"}}},
Rules: []Rule{{ForwardID: 42, InPort: 24000, TargetHost: "198.51.100.20", TargetPort: 443, Protocols: []string{"tcp", "udp"}}},
}
result, err := manager.Reconcile(context.Background(), SSHConfig{Host: "203.0.113.10", Port: 22, Username: "root"}, plan)
@@ -80,6 +86,41 @@ func TestManagerTestPassesThroughRunnerError(t *testing.T) {
}
}
func TestManagerCollectCountersParsesRunnerTableJSON(t *testing.T) {
runner := &fakeRunner{listJSON: []byte(`{
"nftables": [
{"rule": {
"family": "inet",
"table": "flvx",
"chain": "forward",
"comment": "flvx forward:77 to-target tcp",
"expr": [
{"counter": {"packets": 3, "bytes": 2048}}
]
}}
]
}`)}
manager := NewManager(runner)
samples, err := manager.CollectCounters(context.Background(), SSHConfig{Host: "203.0.113.10", Port: 22, Username: "root"})
if err != nil {
t.Fatalf("CollectCounters: %v", err)
}
if len(samples) != 1 {
t.Fatalf("expected 1 sample, got %d: %+v", len(samples), samples)
}
want := CounterSample{
ForwardID: 77,
Direction: CounterDirectionToTarget,
Protocol: "tcp",
Bytes: 2048,
Packets: 3,
}
if samples[0] != want {
t.Fatalf("expected %+v, got %+v", want, samples[0])
}
}
func TestManagerMethodsRequireInitializedRunner(t *testing.T) {
cfg := SSHConfig{Host: "203.0.113.10", Port: 22, Username: "root"}
plan := NodePlan{NodeID: 7}
@@ -98,6 +139,10 @@ func TestManagerMethodsRequireInitializedRunner(t *testing.T) {
t.Fatalf("expected not initialized error from nil manager Clear, got %v", err)
}
if _, err := nilManager.CollectCounters(context.Background(), cfg); err == nil || err.Error() != expected.Error() {
t.Fatalf("expected not initialized error from nil manager CollectCounters, got %v", err)
}
manager := &Manager{}
if err := manager.Test(context.Background(), cfg); err == nil || err.Error() != expected.Error() {
t.Fatalf("expected not initialized error from Test, got %v", err)
@@ -110,4 +155,8 @@ func TestManagerMethodsRequireInitializedRunner(t *testing.T) {
if err := manager.Clear(context.Background(), cfg); err == nil || err.Error() != expected.Error() {
t.Fatalf("expected not initialized error from Clear, got %v", err)
}
if _, err := manager.CollectCounters(context.Background(), cfg); err == nil || err.Error() != expected.Error() {
t.Fatalf("expected not initialized error from CollectCounters, got %v", err)
}
}