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|
// Copyright 2020 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.routing;
import com.google.common.collect.Sets;
import com.yahoo.config.application.api.DeploymentSpec;
import com.yahoo.config.application.api.ValidationId;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.AthenzDomain;
import com.yahoo.config.provision.AthenzService;
import com.yahoo.config.provision.ClusterSpec;
import com.yahoo.config.provision.Environment;
import com.yahoo.config.provision.HostName;
import com.yahoo.config.provision.RegionName;
import com.yahoo.config.provision.SystemName;
import com.yahoo.config.provision.zone.RoutingMethod;
import com.yahoo.config.provision.zone.ZoneId;
import com.yahoo.vespa.hosted.controller.ControllerTester;
import com.yahoo.vespa.hosted.controller.Instance;
import com.yahoo.vespa.hosted.controller.RoutingController;
import com.yahoo.vespa.hosted.controller.api.application.v4.model.DeployOptions;
import com.yahoo.vespa.hosted.controller.api.integration.configserver.LoadBalancer;
import com.yahoo.vespa.hosted.controller.api.integration.deployment.JobType;
import com.yahoo.vespa.hosted.controller.api.integration.dns.Record;
import com.yahoo.vespa.hosted.controller.api.integration.dns.RecordData;
import com.yahoo.vespa.hosted.controller.api.integration.dns.RecordName;
import com.yahoo.vespa.hosted.controller.application.ApplicationPackage;
import com.yahoo.vespa.hosted.controller.application.Endpoint;
import com.yahoo.vespa.hosted.controller.application.EndpointId;
import com.yahoo.vespa.hosted.controller.application.SystemApplication;
import com.yahoo.vespa.hosted.controller.deployment.ApplicationPackageBuilder;
import com.yahoo.vespa.hosted.controller.deployment.DeploymentContext;
import com.yahoo.vespa.hosted.controller.deployment.DeploymentTester;
import com.yahoo.vespa.hosted.controller.integration.ServiceRegistryMock;
import com.yahoo.vespa.hosted.controller.integration.ZoneApiMock;
import com.yahoo.vespa.hosted.controller.maintenance.NameServiceDispatcher;
import com.yahoo.vespa.hosted.rotation.config.RotationsConfig;
import org.junit.Test;
import java.time.Duration;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
/**
* @author mortent
* @author mpolden
*/
public class RoutingPoliciesTest {
private final ZoneId zone1 = ZoneId.from("prod", "us-west-1");
private final ZoneId zone2 = ZoneId.from("prod", "us-central-1");
private final ZoneId zone3 = ZoneId.from("prod", "us-east-3");
private final ApplicationPackage applicationPackage = applicationPackageBuilder().region(zone1.region())
.region(zone2.region())
.build();
@Test
public void global_routing_policies() {
var tester = new RoutingPoliciesTester();
var context1 = tester.newDeploymentContext("tenant1", "app1", "default");
var context2 = tester.newDeploymentContext("tenant1", "app2", "default");
int clustersPerZone = 2;
int numberOfDeployments = 2;
var applicationPackage = applicationPackageBuilder()
.region(zone1.region())
.region(zone2.region())
.endpoint("r0", "c0")
.endpoint("r1", "c0", "us-west-1")
.endpoint("r2", "c1")
.build();
tester.provisionLoadBalancers(clustersPerZone, context1.instanceId(), zone1, zone2);
// Creates alias records
context1.submit(applicationPackage).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
tester.assertTargets(context1.instanceId(), EndpointId.of("r0"), 0, zone1, zone2);
tester.assertTargets(context1.instanceId(), EndpointId.of("r1"), 0, zone1);
tester.assertTargets(context1.instanceId(), EndpointId.of("r2"), 1, zone1, zone2);
assertEquals("Routing policy count is equal to cluster count",
numberOfDeployments * clustersPerZone,
tester.policiesOf(context1.instance().id()).size());
// Applications gains a new deployment
ApplicationPackage applicationPackage2 = applicationPackageBuilder()
.region(zone1.region())
.region(zone2.region())
.region(zone3.region())
.endpoint("r0", "c0")
.endpoint("r1", "c0", "us-west-1")
.endpoint("r2", "c1")
.build();
numberOfDeployments++;
tester.provisionLoadBalancers(clustersPerZone, context1.instanceId(), zone3);
context1.submit(applicationPackage2).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
// Endpoints are updated to contain cluster in new deployment
tester.assertTargets(context1.instanceId(), EndpointId.of("r0"), 0, zone1, zone2, zone3);
tester.assertTargets(context1.instanceId(), EndpointId.of("r1"), 0, zone1);
tester.assertTargets(context1.instanceId(), EndpointId.of("r2"), 1, zone1, zone2, zone3);
// Another application is deployed with a single cluster and global endpoint
var endpoint4 = "r0.app2.tenant1.global.vespa.oath.cloud";
tester.provisionLoadBalancers(1, context2.instanceId(), zone1, zone2);
var applicationPackage3 = applicationPackageBuilder()
.region(zone1.region())
.region(zone2.region())
.endpoint("r0", "c0")
.build();
context2.submit(applicationPackage3).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
tester.assertTargets(context2.instanceId(), EndpointId.of("r0"), 0, zone1, zone2);
// All endpoints for app1 are removed
ApplicationPackage applicationPackage4 = applicationPackageBuilder()
.region(zone1.region())
.region(zone2.region())
.region(zone3.region())
.allow(ValidationId.globalEndpointChange)
.build();
context1.submit(applicationPackage4).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
tester.assertTargets(context1.instanceId(), EndpointId.of("r0"), 0);
tester.assertTargets(context1.instanceId(), EndpointId.of("r1"), 0);
tester.assertTargets(context1.instanceId(), EndpointId.of("r2"), 0);
var policies = tester.policiesOf(context1.instanceId());
assertEquals(clustersPerZone * numberOfDeployments, policies.size());
assertTrue("Rotation membership is removed from all policies",
policies.stream().allMatch(policy -> policy.endpoints().isEmpty()));
assertEquals("Rotations for " + context2.application() + " are not removed", 2, tester.aliasDataOf(endpoint4).size());
}
@Test
public void zone_routing_policies() {
zone_routing_policies(false);
zone_routing_policies(true);
}
private void zone_routing_policies(boolean sharedRoutingLayer) {
var tester = new RoutingPoliciesTester();
var context1 = tester.newDeploymentContext("tenant1", "app1", "default");
var context2 = tester.newDeploymentContext("tenant1", "app2", "default");
// Deploy application
int clustersPerZone = 2;
tester.provisionLoadBalancers(clustersPerZone, context1.instanceId(), sharedRoutingLayer, zone1, zone2);
context1.submit(applicationPackage).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
// Deployment creates records and policies for all clusters in all zones
Set<String> expectedRecords = Set.of(
"c0.app1.tenant1.us-west-1.vespa.oath.cloud",
"c1.app1.tenant1.us-west-1.vespa.oath.cloud",
"c0.app1.tenant1.us-central-1.vespa.oath.cloud",
"c1.app1.tenant1.us-central-1.vespa.oath.cloud"
);
assertEquals(expectedRecords, tester.recordNames());
assertEquals(4, tester.policiesOf(context1.instanceId()).size());
// Next deploy does nothing
context1.submit(applicationPackage).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
assertEquals(expectedRecords, tester.recordNames());
assertEquals(4, tester.policiesOf(context1.instanceId()).size());
// Add 1 cluster in each zone and deploy
tester.provisionLoadBalancers(clustersPerZone + 1, context1.instanceId(), sharedRoutingLayer, zone1, zone2);
context1.submit(applicationPackage).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
expectedRecords = Set.of(
"c0.app1.tenant1.us-west-1.vespa.oath.cloud",
"c1.app1.tenant1.us-west-1.vespa.oath.cloud",
"c2.app1.tenant1.us-west-1.vespa.oath.cloud",
"c0.app1.tenant1.us-central-1.vespa.oath.cloud",
"c1.app1.tenant1.us-central-1.vespa.oath.cloud",
"c2.app1.tenant1.us-central-1.vespa.oath.cloud"
);
assertEquals(expectedRecords, tester.recordNames());
assertEquals(6, tester.policiesOf(context1.instanceId()).size());
// Deploy another application
tester.provisionLoadBalancers(clustersPerZone, context2.instanceId(), sharedRoutingLayer, zone1, zone2);
context2.submit(applicationPackage).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
expectedRecords = Set.of(
"c0.app1.tenant1.us-west-1.vespa.oath.cloud",
"c1.app1.tenant1.us-west-1.vespa.oath.cloud",
"c2.app1.tenant1.us-west-1.vespa.oath.cloud",
"c0.app1.tenant1.us-central-1.vespa.oath.cloud",
"c1.app1.tenant1.us-central-1.vespa.oath.cloud",
"c2.app1.tenant1.us-central-1.vespa.oath.cloud",
"c0.app2.tenant1.us-central-1.vespa.oath.cloud",
"c1.app2.tenant1.us-central-1.vespa.oath.cloud",
"c0.app2.tenant1.us-west-1.vespa.oath.cloud",
"c1.app2.tenant1.us-west-1.vespa.oath.cloud"
);
assertEquals(expectedRecords.stream().sorted().collect(Collectors.toList()), tester.recordNames().stream().sorted().collect(Collectors.toList()));
assertEquals(4, tester.policiesOf(context2.instanceId()).size());
// Deploy removes cluster from app1
tester.provisionLoadBalancers(clustersPerZone, context1.instanceId(), sharedRoutingLayer, zone1, zone2);
context1.submit(applicationPackage).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
expectedRecords = Set.of(
"c0.app1.tenant1.us-west-1.vespa.oath.cloud",
"c1.app1.tenant1.us-west-1.vespa.oath.cloud",
"c0.app1.tenant1.us-central-1.vespa.oath.cloud",
"c1.app1.tenant1.us-central-1.vespa.oath.cloud",
"c0.app2.tenant1.us-central-1.vespa.oath.cloud",
"c1.app2.tenant1.us-central-1.vespa.oath.cloud",
"c0.app2.tenant1.us-west-1.vespa.oath.cloud",
"c1.app2.tenant1.us-west-1.vespa.oath.cloud"
);
assertEquals(expectedRecords, tester.recordNames());
// Remove app2 completely
tester.controllerTester().controller().applications().requireInstance(context2.instanceId()).deployments().keySet()
.forEach(zone -> {
tester.controllerTester().configServer().removeLoadBalancers(context2.instanceId(), zone);
tester.controllerTester().controller().applications().deactivate(context2.instanceId(), zone);
});
context2.flushDnsUpdates();
expectedRecords = Set.of(
"c0.app1.tenant1.us-west-1.vespa.oath.cloud",
"c1.app1.tenant1.us-west-1.vespa.oath.cloud",
"c0.app1.tenant1.us-central-1.vespa.oath.cloud",
"c1.app1.tenant1.us-central-1.vespa.oath.cloud"
);
assertEquals(expectedRecords, tester.recordNames());
assertTrue("Removes stale routing policies " + context2.application(), tester.routingPolicies().get(context2.instanceId()).isEmpty());
assertEquals("Keeps routing policies for " + context1.application(), 4, tester.routingPolicies().get(context1.instanceId()).size());
}
@Test
public void global_routing_policies_in_rotationless_system() {
var tester = new RoutingPoliciesTester(new DeploymentTester(new ControllerTester(new RotationsConfig.Builder().build())));
var context = tester.newDeploymentContext("tenant1", "app1", "default");
tester.provisionLoadBalancers(1, context.instanceId(), zone1, zone2);
var applicationPackage = applicationPackageBuilder()
.region(zone1.region().value())
.endpoint("r0", "c0")
.build();
context.submit(applicationPackage).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
var endpoint = "r0.app1.tenant1.global.vespa.oath.cloud";
assertEquals(endpoint + " points to c0 in all regions",
List.of("lb-0--tenant1:app1:default--prod.us-west-1/dns-zone-1/prod.us-west-1"),
tester.aliasDataOf(endpoint));
assertTrue("No rotations assigned", context.application().instances().values().stream()
.map(Instance::rotations)
.allMatch(List::isEmpty));
}
@Test
public void manual_deployment_creates_routing_policy() {
// Empty application package is valid in manually deployed environments
var tester = new RoutingPoliciesTester();
var context = tester.newDeploymentContext("tenant1", "app1", "default");
var emptyApplicationPackage = new ApplicationPackageBuilder().build();
var zone = ZoneId.from("dev", "us-east-1");
var zoneApi = ZoneApiMock.from(zone.environment(), zone.region());
tester.controllerTester().serviceRegistry().zoneRegistry()
.setZones(zoneApi)
.exclusiveRoutingIn(zoneApi);
// Deploy to dev
tester.controllerTester().controller().applications().deploy(context.instanceId(), zone, Optional.of(emptyApplicationPackage), DeployOptions.none());
assertEquals("DeploymentSpec is not persisted", DeploymentSpec.empty, context.application().deploymentSpec());
context.flushDnsUpdates();
// Routing policy is created and DNS is updated
assertEquals(1, tester.policiesOf(context.instanceId()).size());
assertEquals(Set.of("app1.tenant1.us-east-1.dev.vespa.oath.cloud"), tester.recordNames());
}
@Test
public void manual_deployment_creates_routing_policy_with_non_empty_spec() {
// Initial deployment
var tester = new RoutingPoliciesTester();
var context = tester.newDeploymentContext("tenant1", "app1", "default");
context.submit(applicationPackage).deploy();
var zone = ZoneId.from("dev", "us-east-1");
var zoneApi = ZoneApiMock.from(zone.environment(), zone.region());
tester.controllerTester().serviceRegistry().zoneRegistry()
.setZones(zoneApi)
.exclusiveRoutingIn(zoneApi);
var prodRecords = Set.of("app1.tenant1.us-central-1.vespa.oath.cloud", "app1.tenant1.us-west-1.vespa.oath.cloud");
assertEquals(prodRecords, tester.recordNames());
// Deploy to dev under different instance
var devInstance = context.application().id().instance("user");
tester.controllerTester().controller().applications().deploy(devInstance, zone, Optional.of(applicationPackage), DeployOptions.none());
assertEquals("DeploymentSpec is persisted", applicationPackage.deploymentSpec(), context.application().deploymentSpec());
context.flushDnsUpdates();
// Routing policy is created and DNS is updated
assertEquals(1, tester.policiesOf(devInstance).size());
assertEquals(Sets.union(prodRecords, Set.of("user.app1.tenant1.us-east-1.dev.vespa.oath.cloud")), tester.recordNames());
}
@Test
public void reprovisioning_load_balancer_preserves_cname_record() {
var tester = new RoutingPoliciesTester();
var context = tester.newDeploymentContext("tenant1", "app1", "default");
// Initial load balancer is provisioned
tester.provisionLoadBalancers(1, context.instanceId(), zone1);
var applicationPackage = applicationPackageBuilder()
.region(zone1.region())
.build();
// Application is deployed
context.submit(applicationPackage).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
var expectedRecords = Set.of(
"c0.app1.tenant1.us-west-1.vespa.oath.cloud"
);
assertEquals(expectedRecords, tester.recordNames());
assertEquals(1, tester.policiesOf(context.instanceId()).size());
// Application is removed and the load balancer is deprovisioned
tester.controllerTester().controller().applications().deactivate(context.instanceId(), zone1);
tester.controllerTester().configServer().removeLoadBalancers(context.instanceId(), zone1);
// Load balancer for the same application is provisioned again, but with a different hostname
var newHostname = HostName.from("new-hostname");
var loadBalancer = new LoadBalancer("LB-0-Z-" + zone1.value(),
context.instanceId(),
ClusterSpec.Id.from("c0"),
newHostname,
LoadBalancer.State.active,
Optional.of("dns-zone-1"));
tester.controllerTester().configServer().putLoadBalancers(zone1, List.of(loadBalancer));
// Application redeployment preserves DNS record
context.submit(applicationPackage).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
assertEquals(expectedRecords, tester.recordNames());
assertEquals(1, tester.policiesOf(context.instanceId()).size());
assertEquals("CNAME points to current load blancer", newHostname.value() + ".",
tester.cnameDataOf(expectedRecords.iterator().next()).get(0));
}
@Test
public void set_global_endpoint_status() {
var tester = new RoutingPoliciesTester();
var context = tester.newDeploymentContext("tenant1", "app1", "default");
// Provision load balancers and deploy application
tester.provisionLoadBalancers(1, context.instanceId(), zone1, zone2);
var applicationPackage = applicationPackageBuilder()
.region(zone1.region())
.region(zone2.region())
.endpoint("r0", "c0", zone1.region().value(), zone2.region().value())
.endpoint("r1", "c0", zone1.region().value(), zone2.region().value())
.build();
context.submit(applicationPackage).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
// Global DNS record is created
tester.assertTargets(context.instanceId(), EndpointId.of("r0"), 0, zone1, zone2);
tester.assertTargets(context.instanceId(), EndpointId.of("r1"), 0, zone1, zone2);
// Global routing status is overridden in one zone
var changedAt = tester.controllerTester().clock().instant();
tester.routingPolicies().setGlobalRoutingStatus(context.deploymentIdIn(zone1), GlobalRouting.Status.out,
GlobalRouting.Agent.tenant);
context.flushDnsUpdates();
// Inactive zone is removed from global DNS record
tester.assertTargets(context.instanceId(), EndpointId.of("r0"), 0, zone2);
tester.assertTargets(context.instanceId(), EndpointId.of("r1"), 0, zone2);
// Status details is stored in policy
var policy1 = tester.routingPolicies().get(context.deploymentIdIn(zone1)).values().iterator().next();
assertEquals(GlobalRouting.Status.out, policy1.status().globalRouting().status());
assertEquals(GlobalRouting.Agent.tenant, policy1.status().globalRouting().agent());
assertEquals(changedAt.truncatedTo(ChronoUnit.MILLIS), policy1.status().globalRouting().changedAt());
// Other zone remains in
var policy2 = tester.routingPolicies().get(context.deploymentIdIn(zone2)).values().iterator().next();
assertEquals(GlobalRouting.Status.in, policy2.status().globalRouting().status());
assertEquals(GlobalRouting.Agent.system, policy2.status().globalRouting().agent());
assertEquals(Instant.EPOCH, policy2.status().globalRouting().changedAt());
// Next deployment does not affect status
context.submit(applicationPackage).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
context.flushDnsUpdates();
tester.assertTargets(context.instanceId(), EndpointId.of("r0"), 0, zone2);
tester.assertTargets(context.instanceId(), EndpointId.of("r1"), 0, zone2);
// Deployment is set back in
tester.controllerTester().clock().advance(Duration.ofHours(1));
changedAt = tester.controllerTester().clock().instant();
tester.routingPolicies().setGlobalRoutingStatus(context.deploymentIdIn(zone1), GlobalRouting.Status.in, GlobalRouting.Agent.tenant);
context.flushDnsUpdates();
tester.assertTargets(context.instanceId(), EndpointId.of("r0"), 0, zone1, zone2);
tester.assertTargets(context.instanceId(), EndpointId.of("r1"), 0, zone1, zone2);
policy1 = tester.routingPolicies().get(context.deploymentIdIn(zone1)).values().iterator().next();
assertEquals(GlobalRouting.Status.in, policy1.status().globalRouting().status());
assertEquals(GlobalRouting.Agent.tenant, policy1.status().globalRouting().agent());
assertEquals(changedAt.truncatedTo(ChronoUnit.MILLIS), policy1.status().globalRouting().changedAt());
// Deployment is set out through a new deployment.xml
var applicationPackage2 = applicationPackageBuilder()
.region(zone1.region())
.region(zone2.region(), false)
.endpoint("r0", "c0", zone1.region().value(), zone2.region().value())
.endpoint("r1", "c0", zone1.region().value(), zone2.region().value())
.build();
context.submit(applicationPackage2).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
tester.assertTargets(context.instanceId(), EndpointId.of("r0"), 0, zone1);
tester.assertTargets(context.instanceId(), EndpointId.of("r1"), 0, zone1);
// ... back in
var applicationPackage3 = applicationPackageBuilder()
.region(zone1.region())
.region(zone2.region())
.endpoint("r0", "c0", zone1.region().value(), zone2.region().value())
.endpoint("r1", "c0", zone1.region().value(), zone2.region().value())
.build();
context.submit(applicationPackage3).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
tester.assertTargets(context.instanceId(), EndpointId.of("r0"), 0, zone1, zone2);
tester.assertTargets(context.instanceId(), EndpointId.of("r1"), 0, zone1, zone2);
}
@Test
public void set_zone_global_endpoint_status() {
var tester = new RoutingPoliciesTester();
var context1 = tester.newDeploymentContext("tenant1", "app1", "default");
var context2 = tester.newDeploymentContext("tenant2", "app2", "default");
var contexts = List.of(context1, context2);
// Deploy applications
var applicationPackage = applicationPackageBuilder()
.region(zone1.region())
.region(zone2.region())
.endpoint("default", "c0", zone1.region().value(), zone2.region().value())
.build();
for (var context : contexts) {
tester.provisionLoadBalancers(1, context.instanceId(), zone1, zone2);
context.submit(applicationPackage).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
tester.assertTargets(context.instanceId(), EndpointId.defaultId(), 0, zone1, zone2);
}
// Set zone out
tester.routingPolicies().setGlobalRoutingStatus(zone2, GlobalRouting.Status.out);
context1.flushDnsUpdates();
tester.assertTargets(context1.instanceId(), EndpointId.defaultId(), 0, zone1);
tester.assertTargets(context2.instanceId(), EndpointId.defaultId(), 0, zone1);
for (var context : contexts) {
var policies = tester.routingPolicies().get(context.instanceId());
assertTrue("Global routing status for policy remains " + GlobalRouting.Status.in,
policies.values().stream()
.map(RoutingPolicy::status)
.map(Status::globalRouting)
.map(GlobalRouting::status)
.allMatch(status -> status == GlobalRouting.Status.in));
}
var changedAt = tester.controllerTester().clock().instant();
var zonePolicy = tester.controllerTester().controller().curator().readZoneRoutingPolicy(zone2);
assertEquals(GlobalRouting.Status.out, zonePolicy.globalRouting().status());
assertEquals(GlobalRouting.Agent.operator, zonePolicy.globalRouting().agent());
assertEquals(changedAt.truncatedTo(ChronoUnit.MILLIS), zonePolicy.globalRouting().changedAt());
// Setting status per deployment does not affect status as entire zone is out
tester.routingPolicies().setGlobalRoutingStatus(context1.deploymentIdIn(zone2), GlobalRouting.Status.in, GlobalRouting.Agent.tenant);
context1.flushDnsUpdates();
tester.assertTargets(context1.instanceId(), EndpointId.defaultId(), 0, zone1);
tester.assertTargets(context2.instanceId(), EndpointId.defaultId(), 0, zone1);
// Set single deployment out
tester.routingPolicies().setGlobalRoutingStatus(context1.deploymentIdIn(zone2), GlobalRouting.Status.out, GlobalRouting.Agent.tenant);
context1.flushDnsUpdates();
// Set zone back in. Deployment set explicitly out, remains out, the rest are in
tester.routingPolicies().setGlobalRoutingStatus(zone2, GlobalRouting.Status.in);
context1.flushDnsUpdates();
tester.assertTargets(context1.instanceId(), EndpointId.defaultId(), 0, zone1);
tester.assertTargets(context2.instanceId(), EndpointId.defaultId(), 0, zone1, zone2);
}
@Test
public void non_production_deployment_is_not_registered_in_global_endpoint() {
var tester = new RoutingPoliciesTester(SystemName.Public);
// Configure the system to use the same region for test, staging and prod
var sharedRegion = RegionName.from("aws-us-east-1c");
var prodZone = ZoneId.from(Environment.prod, sharedRegion);
var stagingZone = ZoneId.from(Environment.staging, sharedRegion);
var testZone = ZoneId.from(Environment.test, sharedRegion);
var zones = List.of(ZoneApiMock.from(prodZone),
ZoneApiMock.from(stagingZone),
ZoneApiMock.from(testZone));
tester.controllerTester().zoneRegistry()
.setZones(zones)
.setRoutingMethod(zones, RoutingMethod.exclusive);
tester.controllerTester().configServer().bootstrap(List.of(prodZone, stagingZone, testZone),
SystemApplication.all());
var context = tester.tester.newDeploymentContext();
var endpointId = EndpointId.of("r0");
var applicationPackage = applicationPackageBuilder()
.trustDefaultCertificate()
.region(sharedRegion)
.endpoint(endpointId.id(), "default")
.build();
// Application starts deployment
context = context.submit(applicationPackage);
for (var testJob : List.of(JobType.systemTest, JobType.stagingTest)) {
context = context.runJob(testJob);
// Since runJob implicitly tears down the deployment and immediately deletes DNS records associated with the
// deployment, we consume only one DNS update at a time here
do {
context = context.flushDnsUpdates(1);
tester.assertTargets(context.instanceId(), endpointId, 0);
} while (!tester.recordNames().isEmpty());
}
// Deployment completes
context.completeRollout();
tester.assertTargets(context.instanceId(), endpointId, 0, prodZone);
}
@Test
public void changing_global_routing_status_never_removes_all_members() {
var tester = new RoutingPoliciesTester();
var context = tester.newDeploymentContext("tenant1", "app1", "default");
// Provision load balancers and deploy application
tester.provisionLoadBalancers(1, context.instanceId(), zone1, zone2);
var applicationPackage = applicationPackageBuilder()
.region(zone1.region())
.region(zone2.region())
.endpoint("r0", "c0", zone1.region().value(), zone2.region().value())
.build();
context.submit(applicationPackage).deferLoadBalancerProvisioningIn(Environment.prod).deploy();
// Global DNS record is created, pointing to all configured zones
tester.assertTargets(context.instanceId(), EndpointId.of("r0"), 0, zone1, zone2);
// Global routing status is overridden for one deployment
tester.routingPolicies().setGlobalRoutingStatus(context.deploymentIdIn(zone1), GlobalRouting.Status.out,
GlobalRouting.Agent.tenant);
context.flushDnsUpdates();
tester.assertTargets(context.instanceId(), EndpointId.of("r0"), 0, zone2);
// Setting other deployment out implicitly sets all deployments in
tester.routingPolicies().setGlobalRoutingStatus(context.deploymentIdIn(zone2), GlobalRouting.Status.out,
GlobalRouting.Agent.tenant);
context.flushDnsUpdates();
tester.assertTargets(context.instanceId(), EndpointId.of("r0"), 0, zone1, zone2);
// One inactive deployment is put back in. Global DNS record now points to the only active deployment
tester.routingPolicies().setGlobalRoutingStatus(context.deploymentIdIn(zone1), GlobalRouting.Status.in,
GlobalRouting.Agent.tenant);
context.flushDnsUpdates();
tester.assertTargets(context.instanceId(), EndpointId.of("r0"), 0, zone1);
// Setting zone (containing active deployment) out puts all deployments in
tester.routingPolicies().setGlobalRoutingStatus(zone1, GlobalRouting.Status.out);
context.flushDnsUpdates();
assertEquals(GlobalRouting.Status.out, tester.routingPolicies().get(zone1).globalRouting().status());
tester.assertTargets(context.instanceId(), EndpointId.of("r0"), 0, zone1, zone2);
// Setting zone back in removes the currently inactive deployment
tester.routingPolicies().setGlobalRoutingStatus(zone1, GlobalRouting.Status.in);
context.flushDnsUpdates();
tester.assertTargets(context.instanceId(), EndpointId.of("r0"), 0, zone1);
// Inactive deployment is set in
tester.routingPolicies().setGlobalRoutingStatus(context.deploymentIdIn(zone2), GlobalRouting.Status.in,
GlobalRouting.Agent.tenant);
context.flushDnsUpdates();
for (var policy : tester.routingPolicies().get(context.instanceId()).values()) {
assertSame(GlobalRouting.Status.in, policy.status().globalRouting().status());
}
tester.assertTargets(context.instanceId(), EndpointId.of("r0"), 0, zone1, zone2);
}
@Test
public void config_server_routing_policy() {
var tester = new RoutingPoliciesTester();
var app = SystemApplication.configServer.id();
tester.provisionLoadBalancers(1, app, zone1);
tester.routingPolicies().refresh(app, DeploymentSpec.empty, zone1);
new NameServiceDispatcher(tester.tester.controller(), Duration.ofDays(1), Integer.MAX_VALUE).run();
assertEquals(Set.of("cfg.prod.us-west-1.test.vip"), tester.recordNames());
}
/** Returns an application package builder that satisfies requirements for a directly routed endpoint */
private static ApplicationPackageBuilder applicationPackageBuilder() {
return new ApplicationPackageBuilder()
.athenzIdentity(AthenzDomain.from("domain"), AthenzService.from("service"))
.compileVersion(RoutingController.DIRECT_ROUTING_MIN_VERSION);
}
private static List<LoadBalancer> createLoadBalancers(ZoneId zone, ApplicationId application, boolean shared, int count) {
List<LoadBalancer> loadBalancers = new ArrayList<>();
for (int i = 0; i < count; i++) {
HostName lbHostname;
if (shared) {
lbHostname = HostName.from("shared-lb--" + zone.value());
} else {
lbHostname = HostName.from("lb-" + i + "--" + application.serializedForm() +
"--" + zone.value());
}
loadBalancers.add(
new LoadBalancer("LB-" + i + "-Z-" + zone.value(),
application,
ClusterSpec.Id.from("c" + i),
lbHostname,
LoadBalancer.State.active,
Optional.of("dns-zone-1")));
}
return loadBalancers;
}
private static class RoutingPoliciesTester {
private final DeploymentTester tester;
public RoutingPoliciesTester() {
this(SystemName.main);
}
public RoutingPoliciesTester(SystemName system) {
this(new DeploymentTester(new ControllerTester(new ServiceRegistryMock(system))));
}
public RoutingPolicies routingPolicies() {
return tester.controllerTester().controller().routing().policies();
}
public DeploymentContext newDeploymentContext(String tenant, String application, String instance) {
return tester.newDeploymentContext(tenant, application, instance);
}
public ControllerTester controllerTester() {
return tester.controllerTester();
}
public RoutingPoliciesTester(DeploymentTester tester) {
this.tester = tester;
// Make all zones directly routed
tester.controllerTester().zoneRegistry().exclusiveRoutingIn(tester.controllerTester().zoneRegistry().zones().all().zones());
}
private void provisionLoadBalancers(int clustersPerZone, ApplicationId application, boolean shared, ZoneId... zones) {
for (ZoneId zone : zones) {
tester.configServer().removeLoadBalancers(application, zone);
tester.configServer().putLoadBalancers(zone, createLoadBalancers(zone, application, shared, clustersPerZone));
}
}
private void provisionLoadBalancers(int clustersPerZone, ApplicationId application, ZoneId... zones) {
provisionLoadBalancers(clustersPerZone, application, false, zones);
}
private Collection<RoutingPolicy> policiesOf(ApplicationId instance) {
return tester.controller().curator().readRoutingPolicies(instance).values();
}
private Set<String> recordNames() {
return tester.controllerTester().nameService().records().stream()
.map(Record::name)
.map(RecordName::asString)
.collect(Collectors.toSet());
}
private List<String> aliasDataOf(String name) {
return tester.controllerTester().nameService().findRecords(Record.Type.ALIAS, RecordName.from(name)).stream()
.map(Record::data)
.map(RecordData::asString)
.collect(Collectors.toList());
}
private List<String> cnameDataOf(String name) {
return tester.controllerTester().nameService().findRecords(Record.Type.CNAME, RecordName.from(name)).stream()
.map(Record::data)
.map(RecordData::asString)
.collect(Collectors.toList());
}
private void assertTargets(ApplicationId application, EndpointId endpointId, int loadBalancerId, ZoneId ...zone) {
var endpoint = tester.controller().routing().endpointsOf(application)
.named(endpointId)
.targets(List.of(zone))
.primary()
.map(Endpoint::dnsName)
.orElse("<none>");
var zoneTargets = Arrays.stream(zone)
.map(z -> "lb-" + loadBalancerId + "--" + application.serializedForm() + "--" +
z.value() + "/dns-zone-1/" + z.value())
.collect(Collectors.toSet());
assertEquals("Global endpoint " + endpoint + " points to expected zones", zoneTargets,
Set.copyOf(aliasDataOf(endpoint)));
}
}
}
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