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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.maintenance;
import com.yahoo.config.provision.SystemName;
import com.yahoo.config.provision.TenantName;
import com.yahoo.vespa.flags.ListFlag;
import com.yahoo.vespa.flags.PermanentFlags;
import com.yahoo.vespa.hosted.controller.Controller;
import com.yahoo.vespa.hosted.controller.api.integration.billing.PlanId;
import com.yahoo.vespa.hosted.controller.tenant.LastLoginInfo;
import com.yahoo.vespa.hosted.controller.tenant.Tenant;
import java.time.Duration;
import java.util.List;
import java.util.Optional;
import java.util.function.Consumer;
import java.util.function.Predicate;
import java.util.logging.Logger;
import java.util.stream.Collectors;
/**
* Expires unused tenants from Vespa Cloud.
*
* TODO: Should support sending notifications some time before the various expiry events happen.
*
* @author ogronnesby
*/
public class CloudTrialExpirer extends ControllerMaintainer {
private static final Logger log = Logger.getLogger(CloudTrialExpirer.class.getName());
private static final Duration loginExpiry = Duration.ofDays(14);
private final ListFlag<String> extendedTrialTenants;
public CloudTrialExpirer(Controller controller, Duration interval) {
super(controller, interval, null, SystemName.allOf(SystemName::isPublic));
this.extendedTrialTenants = PermanentFlags.EXTENDED_TRIAL_TENANTS.bindTo(controller().flagSource());
}
@Override
protected double maintain() {
if (controller().system().equals(SystemName.PublicCd)) {
tombstoneNonePlanTenants();
}
moveInactiveTenantsToNonePlan();
return 1.0;
}
private void moveInactiveTenantsToNonePlan() {
var predicate = tenantReadersNotLoggedIn(loginExpiry)
.and(this::tenantHasTrialPlan);
forTenant("'none' plan", predicate, this::setPlanNone);
}
private void tombstoneNonePlanTenants() {
// tombstone tenants that are inactive 14 days after being set as 'none'
var expiry = loginExpiry.plus(loginExpiry);
var predicate = tenantReadersNotLoggedIn(expiry).and(this::tenantHasNonePlan);
forTenant("tombstoned", predicate, this::tombstoneTenants);
}
private void forTenant(String name, Predicate<Tenant> p, Consumer<List<Tenant>> c) {
var predicate = p.and(this::tenantIsCloudTenant)
.and(this::tenantIsNotExemptFromExpiry)
.and(this::tenantHasNoDeployments);
var tenants = controller().tenants().asList().stream()
.filter(predicate)
.collect(Collectors.toList());
if (! tenants.isEmpty()) {
var tenantNames = tenants.stream().map(Tenant::name).map(TenantName::value).collect(Collectors.joining(", "));
log.info("Setting tenants as " + name + ": " + tenantNames);
}
c.accept(tenants);
}
private boolean tenantIsCloudTenant(Tenant tenant) {
return tenant.type() == Tenant.Type.cloud;
}
private Predicate<Tenant> tenantReadersNotLoggedIn(Duration duration) {
// returns true if no user has logged in to the tenant after (now - duration)
return (Tenant tenant) -> {
var timeLimit = controller().clock().instant().minus(duration);
return tenant.lastLoginInfo().get(LastLoginInfo.UserLevel.user)
.map(instant -> instant.isBefore(timeLimit))
.orElse(false);
};
}
private boolean tenantHasTrialPlan(Tenant tenant) {
var planId = controller().serviceRegistry().billingController().getPlan(tenant.name());
return "trial".equals(planId.value());
}
private boolean tenantHasNonePlan(Tenant tenant) {
var planId = controller().serviceRegistry().billingController().getPlan(tenant.name());
return "none".equals(planId.value());
}
private boolean tenantIsNotExemptFromExpiry(Tenant tenant) {
return ! extendedTrialTenants.value().contains(tenant.name().value());
}
private boolean tenantHasNoDeployments(Tenant tenant) {
return controller().applications().asList(tenant.name()).stream()
.flatMap(app -> app.instances().values().stream())
.mapToLong(instance -> instance.deployments().values().size())
.sum() == 0;
}
private void setPlanNone(List<Tenant> tenants) {
tenants.forEach(tenant -> {
controller().serviceRegistry().billingController().setPlan(tenant.name(), PlanId.from("none"), false);
});
}
private void tombstoneTenants(List<Tenant> tenants) {
tenants.forEach(tenant -> {
deleteApplicationsWithNoDeployments(tenant);
controller().tenants().delete(tenant.name(), Optional.empty(), false);
});
}
private void deleteApplicationsWithNoDeployments(Tenant tenant) {
controller().applications().asList(tenant.name()).forEach(application -> {
// this only removes applications with no active deployments
controller().applications().deleteApplication(application.id(), Optional.empty());
});
}
}
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