| package io.grpc.xds; |
|
|
| import com.google.gson.JsonObject; |
| import com.google.gson.JsonParser; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Files; |
| import java.nio.file.Paths; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Locale; |
|
|
| |
| public final class AB04Consumer { |
| interface Check { void run() throws Exception; } |
| static int total, failed; |
| static void check(String name, Check body) { |
| total++; |
| try { body.run(); System.out.println("CONTRACT_PASS " + name); } |
| catch (Throwable e) { |
| failed++; |
| System.out.println("CONTRACT_FAIL " + name + " " + e.getClass().getName() + ": " + e.getMessage()); |
| e.printStackTrace(System.out); |
| } |
| } |
| static VirtualHost host(String name, String... domains) { |
| return VirtualHost.create(name, Arrays.asList(domains), Collections.<VirtualHost.Route>emptyList(), Collections.emptyMap()); |
| } |
| static void select(String request, VirtualHost expected, VirtualHost... all) { |
| VirtualHost actual = RoutingUtils.findVirtualHostForHostName(Arrays.asList(all), request); |
| if (actual != expected) throw new AssertionError("wrong selected virtual host for " + request); |
| } |
| static void chain(String label) throws Exception { |
| JsonObject data = JsonParser.parseString(new String(Files.readAllBytes(Paths.get("/artifacts/ab04-routes/" + label + ".domains.json")), StandardCharsets.UTF_8)).getAsJsonObject(); |
| String hostname = data.get("hostname").getAsString(); |
| List<String> absolute = new ArrayList<>(); |
| data.getAsJsonArray("domains").forEach(value -> { |
| |
| |
| if (value.getAsString().equals(hostname + ".")) absolute.add(value.getAsString()); |
| }); |
| if (absolute.isEmpty()) throw new AssertionError("actual Istio route has no absolute domain for " + hostname); |
| VirtualHost target = host("producer-" + label, absolute.toArray(new String[0])); |
| VirtualHost other = host("other", "unrelated.example.test"); |
| VirtualHost fallback = host("fallback", "*"); |
| for (String request : Arrays.asList(hostname, hostname + ".", hostname.toUpperCase(Locale.ROOT), hostname.toUpperCase(Locale.ROOT) + ".")) { |
| select(request, target, other, fallback, target); |
| } |
| System.out.println("CHAIN_EVIDENCE " + data.toString()); |
| } |
| public static void main(String[] args) { |
| if (args[0].equals("f2p")) { |
| for (String label : Arrays.asList("default", "other_namespace", "custom_suffix", "nondefault_port")) check("chain_" + label, () -> chain(label)); |
| check("absolute_request", () -> { VirtualHost v=host("exact","API.Example.test");select("api.example.test.",v,v); }); |
| check("absolute_pattern", () -> { VirtualHost v=host("exact","API.Example.test.");select("api.example.test",v,v); }); |
| check("absolute_both", () -> { VirtualHost v=host("exact","API.Example.test.");select("api.example.test.",v,v); }); |
| check("absolute_wildcards", () -> { |
| VirtualHost suffix=host("suffix","*.example.test.");VirtualHost prefix=host("prefix","api.*.");VirtualHost exact=host("exact","api.example.test.");VirtualHost any=host("any","*"); |
| select("api.example.test",exact,any,suffix,prefix,exact); |
| select("other.example.test",suffix,any,suffix); |
| select("api.other.test.",prefix,any,prefix); |
| select("example.test",any,suffix,any); |
| }); |
| } else if (args[0].equals("p2p")) { |
| check("relative_exact_case", () -> {VirtualHost v=host("v","Api.Example.test");VirtualHost w=host("wild","*.example.test");select("api.example.test",v,w,v);}); |
| check("no_match", () -> {VirtualHost v=host("v","api.example.test");select("other.example.test",null,v);select("api.example",null,v);}); |
| check("wildcard_precedence", () -> { |
| VirtualHost any=host("any","*");VirtualHost a=host("a","*.example.test");VirtualHost b=host("b","*.sub.example.test");VirtualHost p=host("p","api.*"); |
| select("api.sub.example.test",b,any,p,a,b);select("api.other.test",p,any,p);select("unrelated.test",any,any,p,a,b); |
| }); |
| check("wildcard_boundaries", () -> { |
| VirtualHost suffix=host("suffix","*.example.test");VirtualHost prefix=host("prefix","api-*");VirtualHost invalid=host("invalid","a*pi.example.test","*example*"); |
| select("example.test",null,suffix);select("api-",null,prefix);select("api-v1",prefix,prefix);select("api.example.test",null,invalid); |
| }); |
| } else throw new IllegalArgumentException("unknown phase"); |
| System.out.println("CONTRACT_SUMMARY {\"total\":"+total+",\"failed\":"+failed+",\"skipped\":0}"); |
| if (failed != 0) System.exit(1); |
| } |
| } |
|
|
