| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "testing" |
| 6 | |
| 7 | "github.com/aws/aws-sdk-go-v2/aws" |
| 8 | "github.com/aws/aws-sdk-go-v2/service/route53" |
| 9 | r53types "github.com/aws/aws-sdk-go-v2/service/route53/types" |
| 10 | ) |
| 11 | |
| 12 | // fakeRoute53 stands in for the Route53 client so the solver's wiring is tested |
| 13 | // without reaching AWS. It records every ChangeResourceRecordSets call and |
| 14 | // answers GetChange as immediately INSYNC. |
| 15 | type fakeRoute53 struct { |
| 16 | hostedZones []r53types.HostedZone |
| 17 | changes []*route53.ChangeResourceRecordSetsInput |
| 18 | getChangeN int |
| 19 | } |
| 20 | |
| 21 | func (f *fakeRoute53) ListHostedZonesByName(_ context.Context, _ *route53.ListHostedZonesByNameInput, _ ...func(*route53.Options)) (*route53.ListHostedZonesByNameOutput, error) { |
| 22 | return &route53.ListHostedZonesByNameOutput{HostedZones: f.hostedZones}, nil |
| 23 | } |
| 24 | |
| 25 | func (f *fakeRoute53) ChangeResourceRecordSets(_ context.Context, in *route53.ChangeResourceRecordSetsInput, _ ...func(*route53.Options)) (*route53.ChangeResourceRecordSetsOutput, error) { |
| 26 | f.changes = append(f.changes, in) |
| 27 | return &route53.ChangeResourceRecordSetsOutput{ChangeInfo: &r53types.ChangeInfo{Id: aws.String("/change/C123")}}, nil |
| 28 | } |
| 29 | |
| 30 | func (f *fakeRoute53) GetChange(_ context.Context, _ *route53.GetChangeInput, _ ...func(*route53.Options)) (*route53.GetChangeOutput, error) { |
| 31 | f.getChangeN++ |
| 32 | return &route53.GetChangeOutput{ChangeInfo: &r53types.ChangeInfo{Status: r53types.ChangeStatusInsync}}, nil |
| 33 | } |
| 34 | |
| 35 | func TestRoute53Present(t *testing.T) { |
| 36 | fake := &fakeRoute53{hostedZones: []r53types.HostedZone{ |
| 37 | {Name: aws.String("11ch.at."), Id: aws.String("/hostedzone/ZONEID")}, |
| 38 | }} |
| 39 | r := &route53DNS{client: fake, zoneIDs: map[string]string{}} |
| 40 | |
| 41 | cleanup, err := r.present(context.Background(), "11ch.at", "_acme-challenge", "tok-value") |
| 42 | if err != nil { |
| 43 | t.Fatal(err) |
| 44 | } |
| 45 | if len(fake.changes) != 1 { |
| 46 | t.Fatalf("want 1 change on present, got %d", len(fake.changes)) |
| 47 | } |
| 48 | up := fake.changes[0] |
| 49 | if got := aws.ToString(up.HostedZoneId); got != "ZONEID" { |
| 50 | t.Fatalf("hosted zone id = %q, want ZONEID (prefix stripped)", got) |
| 51 | } |
| 52 | ch := up.ChangeBatch.Changes[0] |
| 53 | if ch.Action != r53types.ChangeActionUpsert { |
| 54 | t.Fatalf("action = %v, want UPSERT", ch.Action) |
| 55 | } |
| 56 | rr := ch.ResourceRecordSet |
| 57 | if got := aws.ToString(rr.Name); got != "_acme-challenge.11ch.at." { |
| 58 | t.Fatalf("record name = %q", got) |
| 59 | } |
| 60 | if rr.Type != r53types.RRTypeTxt { |
| 61 | t.Fatalf("record type = %v, want TXT", rr.Type) |
| 62 | } |
| 63 | if got := aws.ToInt64(rr.TTL); got != 60 { |
| 64 | t.Fatalf("ttl = %d, want 60", got) |
| 65 | } |
| 66 | // TXT values must be quoted character-strings. |
| 67 | if got := aws.ToString(rr.ResourceRecords[0].Value); got != `"tok-value"` { |
| 68 | t.Fatalf("record value = %q, want quoted", got) |
| 69 | } |
| 70 | if fake.getChangeN == 0 { |
| 71 | t.Fatal("present did not wait for the change to go INSYNC") |
| 72 | } |
| 73 | |
| 74 | // cleanup DELETEs the exact same record set. |
| 75 | if err := cleanup(context.Background()); err != nil { |
| 76 | t.Fatal(err) |
| 77 | } |
| 78 | if len(fake.changes) != 2 { |
| 79 | t.Fatalf("want 2 changes after cleanup, got %d", len(fake.changes)) |
| 80 | } |
| 81 | del := fake.changes[1].ChangeBatch.Changes[0] |
| 82 | if del.Action != r53types.ChangeActionDelete { |
| 83 | t.Fatalf("cleanup action = %v, want DELETE", del.Action) |
| 84 | } |
| 85 | if got := aws.ToString(del.ResourceRecordSet.Name); got != "_acme-challenge.11ch.at." { |
| 86 | t.Fatalf("cleanup record name = %q", got) |
| 87 | } |
| 88 | if got := aws.ToString(del.ResourceRecordSet.ResourceRecords[0].Value); got != `"tok-value"` { |
| 89 | t.Fatalf("cleanup record value = %q, want the created value", got) |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | // upsertA (the optional relocation A-record move) UPSERTs an A record at the |
| 94 | // host's FQDN with a short TTL and waits for INSYNC. |
| 95 | func TestRoute53UpsertA(t *testing.T) { |
| 96 | fake := &fakeRoute53{hostedZones: []r53types.HostedZone{ |
| 97 | {Name: aws.String("dev.11ch.at."), Id: aws.String("/hostedzone/DEV")}, |
| 98 | }} |
| 99 | r := &route53DNS{client: fake, zoneIDs: map[string]string{}} |
| 100 | |
| 101 | if err := r.upsertA(context.Background(), "dev.11ch.at", "8oe.dev.11ch.at", "157.180.123.183"); err != nil { |
| 102 | t.Fatal(err) |
| 103 | } |
| 104 | if len(fake.changes) != 1 { |
| 105 | t.Fatalf("want 1 change, got %d", len(fake.changes)) |
| 106 | } |
| 107 | ch := fake.changes[0].ChangeBatch.Changes[0] |
| 108 | if ch.Action != r53types.ChangeActionUpsert { |
| 109 | t.Fatalf("action = %v, want UPSERT (idempotent re-run)", ch.Action) |
| 110 | } |
| 111 | rr := ch.ResourceRecordSet |
| 112 | if got := aws.ToString(rr.Name); got != "8oe.dev.11ch.at." { |
| 113 | t.Fatalf("record name = %q, want the host FQDN with trailing dot", got) |
| 114 | } |
| 115 | if rr.Type != r53types.RRTypeA { |
| 116 | t.Fatalf("record type = %v, want A", rr.Type) |
| 117 | } |
| 118 | if got := aws.ToInt64(rr.TTL); got != 60 { |
| 119 | t.Fatalf("ttl = %d, want 60 (short — the proxy covers the window)", got) |
| 120 | } |
| 121 | if got := aws.ToString(rr.ResourceRecords[0].Value); got != "157.180.123.183" { |
| 122 | t.Fatalf("record value = %q, want the target IP (unquoted — A, not TXT)", got) |
| 123 | } |
| 124 | if fake.getChangeN == 0 { |
| 125 | t.Fatal("upsertA did not wait for INSYNC") |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | func TestRoute53HostedZoneMatch(t *testing.T) { |
| 130 | // Both the parent and the delegated sub-zone exist: the record for the |
| 131 | // sub-domain must resolve to the most specific (longest) match. |
| 132 | fake := &fakeRoute53{hostedZones: []r53types.HostedZone{ |
| 133 | {Name: aws.String("11ch.at."), Id: aws.String("/hostedzone/PARENT")}, |
| 134 | {Name: aws.String("dev.11ch.at."), Id: aws.String("/hostedzone/DEV")}, |
| 135 | }} |
| 136 | r := &route53DNS{client: fake, zoneIDs: map[string]string{}} |
| 137 | id, err := r.hostedZoneID(context.Background(), "dev.11ch.at") |
| 138 | if err != nil { |
| 139 | t.Fatal(err) |
| 140 | } |
| 141 | if id != "DEV" { |
| 142 | t.Fatalf("zone id = %q, want DEV (most specific)", id) |
| 143 | } |
| 144 | // Cached: a second lookup reuses the id (still correct after caching). |
| 145 | if id2, _ := r.hostedZoneID(context.Background(), "dev.11ch.at"); id2 != "DEV" { |
| 146 | t.Fatalf("cached zone id = %q, want DEV", id2) |
| 147 | } |
| 148 | |
| 149 | // No authoritative zone for the name → a surfaced error, not a silent miss. |
| 150 | none := &route53DNS{client: &fakeRoute53{hostedZones: []r53types.HostedZone{ |
| 151 | {Name: aws.String("other.example."), Id: aws.String("/hostedzone/X")}, |
| 152 | }}, zoneIDs: map[string]string{}} |
| 153 | if _, err := none.hostedZoneID(context.Background(), "11ch.at"); err == nil { |
| 154 | t.Fatal("want error when no hosted zone is authoritative") |
| 155 | } |
| 156 | } |
| 157 | |
amadan