409 lines
8.6 KiB
Go
409 lines
8.6 KiB
Go
package config
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import (
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"testing"
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"time"
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)
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const validConfig = `
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maglev:
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frontend:
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probe-ipv4-src: 10.0.0.1
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probe-ipv6-src: 2001:db8:1::1
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healthcheck-netns: dataplane
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healthchecker:
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transition-history: 5
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vips:
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web4:
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description: "IPv4 VIP"
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address: 192.0.2.1
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protocol: tcp
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port: 80
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backends: [2001:db8:2::1, 2001:db8:2::2]
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healthcheck:
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type: http
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params:
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path: /healthz
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host: example.com
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response-code: "200"
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interval: 2s
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timeout: 3s
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rise: 2
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fall: 3
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web6:
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description: "IPv6 VIP"
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address: 2001:db8::1
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protocol: tcp
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port: 443
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backends: [2001:db8:2::1, 2001:db8:2::2]
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healthcheck:
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type: icmp
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interval: 1s
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timeout: 3s
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fall: 5
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`
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func TestValidConfig(t *testing.T) {
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f, err := parse([]byte(validConfig))
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if f.ProbeIPv4Src.String() != "10.0.0.1" {
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t.Errorf("probe-ipv4-src: got %s, want 10.0.0.1", f.ProbeIPv4Src)
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}
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if f.ProbeIPv6Src.String() != "2001:db8:1::1" {
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t.Errorf("probe-ipv6-src: got %s, want 2001:db8:1::1", f.ProbeIPv6Src)
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}
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if f.HealthCheckNetns != "dataplane" {
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t.Errorf("healthcheck-netns: got %q, want %q", f.HealthCheckNetns, "dataplane")
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}
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if f.HealthChecker.TransitionHistory != 5 {
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t.Errorf("transition-history: got %d, want 5", f.HealthChecker.TransitionHistory)
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}
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if len(f.VIPs) != 2 {
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t.Fatalf("vips: got %d, want 2", len(f.VIPs))
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}
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web4 := f.VIPs["web4"]
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if web4.HealthCheck.Type != "http" {
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t.Errorf("web4 healthcheck type: got %q, want http", web4.HealthCheck.Type)
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}
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if web4.HealthCheck.Fall != 3 {
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t.Errorf("web4 fall: got %d, want 3", web4.HealthCheck.Fall)
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}
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if web4.HealthCheck.Rise != 2 {
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t.Errorf("web4 rise: got %d, want 2", web4.HealthCheck.Rise)
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}
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if web4.HealthCheck.HTTP == nil {
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t.Fatal("web4 HTTP params should not be nil")
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}
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if web4.HealthCheck.HTTP.Path != "/healthz" {
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t.Errorf("web4 params.path: got %q, want /healthz", web4.HealthCheck.HTTP.Path)
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}
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if web4.HealthCheck.HTTP.Host != "example.com" {
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t.Errorf("web4 params.host: got %q, want example.com", web4.HealthCheck.HTTP.Host)
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}
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if web4.HealthCheck.HTTP.ResponseCodeMin != 200 || web4.HealthCheck.HTTP.ResponseCodeMax != 200 {
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t.Errorf("web4 response-code: got %d-%d, want 200-200",
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web4.HealthCheck.HTTP.ResponseCodeMin, web4.HealthCheck.HTTP.ResponseCodeMax)
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}
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web6 := f.VIPs["web6"]
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if web6.HealthCheck.Fall != 5 {
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t.Errorf("web6 fall: got %d, want 5", web6.HealthCheck.Fall)
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}
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}
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func TestDefaults(t *testing.T) {
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cfg := `
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maglev:
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frontend:
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vips:
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v:
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address: 192.0.2.1
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backends: [10.0.0.2]
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healthcheck:
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type: icmp
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interval: 1s
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timeout: 2s
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`
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f, err := parse([]byte(cfg))
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if f.HealthCheckNetns != "" {
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t.Errorf("default healthcheck-netns: got %q, want empty (default netns)", f.HealthCheckNetns)
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}
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if f.HealthChecker.TransitionHistory != 5 {
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t.Errorf("default transition-history: got %d, want 5", f.HealthChecker.TransitionHistory)
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}
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hc := f.VIPs["v"].HealthCheck
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if hc.Rise != 2 {
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t.Errorf("default rise: got %d, want 2", hc.Rise)
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}
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if hc.Fall != 3 {
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t.Errorf("default fall: got %d, want 3", hc.Fall)
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}
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if f.ProbeIPv4Src != nil {
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t.Errorf("probe-ipv4-src should be nil when omitted, got %s", f.ProbeIPv4Src)
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}
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}
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func TestOptionalIntervals(t *testing.T) {
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cfg := `
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maglev:
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frontend:
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vips:
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v:
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address: 192.0.2.1
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backends: [10.0.0.2]
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healthcheck:
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type: icmp
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interval: 2s
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fast-interval: 500ms
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down-interval: 30s
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timeout: 1s
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`
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f, err := parse([]byte(cfg))
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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hc := f.VIPs["v"].HealthCheck
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if hc.Interval != 2*time.Second {
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t.Errorf("interval: got %v, want 2s", hc.Interval)
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}
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if hc.FastInterval != 500*time.Millisecond {
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t.Errorf("fast-interval: got %v, want 500ms", hc.FastInterval)
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}
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if hc.DownInterval != 30*time.Second {
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t.Errorf("down-interval: got %v, want 30s", hc.DownInterval)
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}
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}
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func TestTCPType(t *testing.T) {
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cfg := `
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maglev:
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frontend:
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vips:
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v:
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address: 192.0.2.1
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protocol: tcp
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port: 80
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backends: [10.0.0.2]
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healthcheck:
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type: tcp
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interval: 1s
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timeout: 2s
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`
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f, err := parse([]byte(cfg))
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if f.VIPs["v"].HealthCheck.Type != "tcp" {
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t.Errorf("type: got %q, want tcp", f.VIPs["v"].HealthCheck.Type)
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}
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}
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func TestValidationErrors(t *testing.T) {
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// Minimal valid base to build error cases on top of.
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base := func(override string) string {
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return `
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maglev:
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frontend:
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vips:
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v:
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address: 192.0.2.1
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backends: [10.0.0.2]
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healthcheck:
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type: icmp
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interval: 1s
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timeout: 2s
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` + override
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}
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_ = base
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tests := []struct {
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name string
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yaml string
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errSub string
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}{
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{
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name: "wrong family probe-ipv4-src",
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yaml: `
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maglev:
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frontend:
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probe-ipv4-src: 2001:db8::1
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vips:
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v:
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address: 192.0.2.1
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backends: [10.0.0.2]
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healthcheck:
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type: icmp
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interval: 1s
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timeout: 2s
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`,
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errSub: "probe-ipv4-src",
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},
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{
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name: "mixed backend families",
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yaml: `
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maglev:
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frontend:
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vips:
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v:
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address: 192.0.2.1
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backends: [10.0.0.2, 2001:db8::1]
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healthcheck:
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type: icmp
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interval: 1s
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timeout: 2s
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`,
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errSub: "address family",
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},
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{
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name: "port without protocol",
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yaml: validPortWithoutProtocol,
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errSub: "port requires protocol",
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},
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{
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name: "protocol without port",
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yaml: `
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maglev:
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frontend:
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vips:
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v:
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address: 192.0.2.1
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protocol: tcp
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backends: [10.0.0.2]
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healthcheck:
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type: icmp
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interval: 1s
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timeout: 2s
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`,
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errSub: "requires port",
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},
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{
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name: "invalid healthcheck type",
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yaml: `
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maglev:
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frontend:
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vips:
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v:
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address: 192.0.2.1
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backends: [10.0.0.2]
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healthcheck:
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type: dns
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interval: 1s
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timeout: 2s
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`,
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errSub: "type must be",
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},
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{
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name: "http missing path",
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yaml: `
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maglev:
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frontend:
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vips:
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v:
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address: 192.0.2.1
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backends: [10.0.0.2]
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healthcheck:
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type: http
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interval: 1s
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timeout: 2s
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`,
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errSub: "params.path",
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},
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{
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name: "negative interval",
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yaml: `
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maglev:
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frontend:
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vips:
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v:
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address: 192.0.2.1
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backends: [10.0.0.2]
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healthcheck:
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type: icmp
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interval: -1s
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timeout: 2s
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`,
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errSub: "positive duration",
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},
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{
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name: "invalid fast-interval",
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yaml: `
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maglev:
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frontend:
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vips:
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v:
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address: 192.0.2.1
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backends: [10.0.0.2]
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healthcheck:
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type: icmp
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interval: 1s
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fast-interval: -1s
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timeout: 2s
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`,
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errSub: "positive duration",
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},
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{
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name: "fall zero becomes default",
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yaml: `
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maglev:
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frontend:
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vips:
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v:
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address: 192.0.2.1
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backends: [10.0.0.2]
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healthcheck:
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type: icmp
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interval: 1s
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timeout: 2s
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fall: 0
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`,
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// fall: 0 is treated as omitted → default 3; no error
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errSub: "",
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},
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{
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name: "empty backends",
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yaml: `
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maglev:
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frontend:
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vips:
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v:
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address: 192.0.2.1
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backends: []
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healthcheck:
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type: icmp
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interval: 1s
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timeout: 2s
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`,
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errSub: "backends must not be empty",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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_, err := parse([]byte(tt.yaml))
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if tt.errSub == "" {
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if err != nil {
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t.Fatalf("expected no error, got: %v", err)
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}
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return
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}
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if err == nil {
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t.Fatalf("expected error containing %q, got nil", tt.errSub)
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}
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if !contains(err.Error(), tt.errSub) {
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t.Errorf("error %q does not contain %q", err.Error(), tt.errSub)
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}
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})
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}
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}
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const validPortWithoutProtocol = `
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maglev:
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frontend:
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vips:
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v:
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address: 192.0.2.1
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port: 80
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backends: [10.0.0.2]
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healthcheck:
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type: icmp
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interval: 1s
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timeout: 2s
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`
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func contains(s, sub string) bool {
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return len(s) >= len(sub) && (s == sub || len(sub) == 0 ||
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func() bool {
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for i := 0; i <= len(s)-len(sub); i++ {
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if s[i:i+len(sub)] == sub {
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return true
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}
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}
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return false
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}())
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}
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