02096c8ad8
Erster Schritt des golangci-lint-Rollouts (non-blocking): 44 misspell + 4 staticcheck automatisch behoben (32 Dateien, nur Tippfehler/mechanisch). build+test grün. Kein Runtime-Change → kein Deploy. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
113 lines
3.7 KiB
Go
113 lines
3.7 KiB
Go
package keepalived
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import (
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"bytes"
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"strings"
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"testing"
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"git.netcell-it.de/projekte/edgeguard-native/internal/models"
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)
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func render(t *testing.T, v View) string {
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t.Helper()
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var buf bytes.Buffer
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if err := tpl.Execute(&buf, v); err != nil {
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t.Fatalf("template execute: %v", err)
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}
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return buf.String()
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}
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// Split-Brain-Schutz: jede vrrp_instance MUSS `nopreempt` tragen, sonst reißt
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// ein erholter Node die VIP zurück → Flapping. nopreempt wirkt nur bei state
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// BACKUP — also muss auch der bevorzugte Node BACKUP starten.
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func testView() View {
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return View{
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State: "BACKUP", Interface: "eth0", RouterID: 51, Priority: 200,
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SrcIP: "89.163.205.6", PeerIP: "89.163.205.8", AuthPass: "edgeguard",
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VIPs: []VIPEntry{{Address: "89.163.205.100", Prefix: 24, Device: "eth0"}},
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HBInterface: "ens19", HBSrcIP: "169.254.0.1", HBPeerIP: "169.254.0.2", HBRouterID: 52,
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GWCheckIP: "89.163.205.1",
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}
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}
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func TestTemplateNopreemptOnBothInstances(t *testing.T) {
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out := render(t, testView())
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if n := strings.Count(out, "nopreempt"); n != 2 {
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t.Fatalf("erwarte nopreempt in VI_1 UND VI_HB (2×), gefunden: %d\n%s", n, out)
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}
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if strings.Contains(out, "state MASTER") {
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t.Fatalf("kein Node darf state MASTER starten (nopreempt würde ignoriert):\n%s", out)
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}
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if c := strings.Count(out, "state BACKUP"); c != 2 {
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t.Fatalf("erwarte state BACKUP in beiden Instanzen, gefunden: %d", c)
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}
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}
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// GARP muss forciert + periodic aufgefrischt werden, sonst altert die
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// VIP-MAC am Upstream-Switch und die Failover-IP wird unerreichbar.
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func TestTemplateGARPRefresh(t *testing.T) {
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out := render(t, testView())
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for _, want := range []string{"vrrp_garp_master_refresh", "vrrp_garp_master_repeat"} {
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if !strings.Contains(out, want) {
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t.Fatalf("global_defs sollte %q enthalten:\n%s", want, out)
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}
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}
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}
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// advert_int 2 (statt 1): Master-Down ~6s — reißt nicht bei kurzen
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// VM-/Heartbeat-Hiccups (Flapping-Schutz im virtualisierten Cluster).
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func TestTemplateAdvertInt(t *testing.T) {
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out := render(t, testView())
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if strings.Contains(out, "advert_int 1\n") {
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t.Fatalf("advert_int sollte 2 sein (nicht 1):\n%s", out)
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}
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if c := strings.Count(out, "advert_int 2"); c != 2 {
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t.Fatalf("erwarte advert_int 2 in beiden Instanzen, gefunden: %d", c)
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}
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}
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// Track-Scripts dürfen KEIN weight haben: in einer vrrp_sync_group ignoriert
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// keepalived gewichtete Scripts → Health-Checks wären wirkungslos. Ohne weight
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// wirken sie als FAULT-Trigger.
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func TestTemplateTrackScriptsUnweighted(t *testing.T) {
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out := render(t, testView())
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if strings.Contains(out, "weight") {
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t.Fatalf("Track-Scripts dürfen kein weight tragen (Sync-Group ignoriert sie sonst):\n%s", out)
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}
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}
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// gw-Check darf nicht zu zucken (fall 5, nicht fall 2) — ein kurzer Upstream-
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// Blip soll keinen Failover erzwingen.
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func TestTemplateGatewayCheckNotTwitchy(t *testing.T) {
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out := render(t, testView())
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if !strings.Contains(out, "fall 5") {
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t.Fatalf("chk_gateway sollte fall 5 nutzen:\n%s", out)
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}
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}
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// buildView: State immer BACKUP, Priorität aus pg_role.
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func TestBuildViewStateAlwaysBackup(t *testing.T) {
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g := &generator{localID: "n1"}
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cs := &models.ClusterSettings{VRRPRouterID: 51}
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pub := "89.163.205.6"
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cases := []struct {
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pgRole, role string
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wantPrio int
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}{
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{"primary", "primary", 200},
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{"standby", "primary", 100},
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{"", "primary", 200},
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{"", "", 100},
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}
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for _, c := range cases {
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local := &models.HANode{ID: "n1", PGRole: c.pgRole, Role: c.role, PublicIP: &pub}
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v := g.buildView(cs, nil, local, nil)
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if v.State != "BACKUP" {
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t.Errorf("pg_role=%q role=%q: State=%q, erwarte immer BACKUP (nopreempt)", c.pgRole, c.role, v.State)
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}
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if v.Priority != c.wantPrio {
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t.Errorf("pg_role=%q role=%q: Priority=%d, erwarte %d", c.pgRole, c.role, v.Priority, c.wantPrio)
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}
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}
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}
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