-
Notifications
You must be signed in to change notification settings - Fork 73
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
OAS-9906 Gateway config loader (#1703)
- Loading branch information
Showing
9 changed files
with
463 additions
and
78 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| // | ||
| // DISCLAIMER | ||
| // | ||
| // Copyright 2024 ArangoDB GmbH, Cologne, Germany | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
| // Copyright holder is ArangoDB GmbH, Cologne, Germany | ||
| // | ||
|
|
||
| package resources | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "time" | ||
|
|
||
| core "k8s.io/api/core/v1" | ||
| meta "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
|
|
||
| "github.com/arangodb/kube-arangodb/pkg/deployment/features" | ||
| "github.com/arangodb/kube-arangodb/pkg/metrics" | ||
| "github.com/arangodb/kube-arangodb/pkg/util" | ||
| "github.com/arangodb/kube-arangodb/pkg/util/errors" | ||
| "github.com/arangodb/kube-arangodb/pkg/util/globals" | ||
| "github.com/arangodb/kube-arangodb/pkg/util/k8sutil" | ||
| inspectorInterface "github.com/arangodb/kube-arangodb/pkg/util/k8sutil/inspector" | ||
| configMapsV1 "github.com/arangodb/kube-arangodb/pkg/util/k8sutil/inspector/configmap/v1" | ||
| "github.com/arangodb/kube-arangodb/pkg/util/k8sutil/kerrors" | ||
| ) | ||
|
|
||
| var ( | ||
| inspectedConfigMapsCounters = metrics.MustRegisterCounterVec(metricsComponent, "inspected_config_maps", "Number of ConfigMaps inspections per deployment", metrics.DeploymentName) | ||
| inspectConfigMapsDurationGauges = metrics.MustRegisterGaugeVec(metricsComponent, "inspect_config_maps_duration", "Amount of time taken by a single inspection of all ConfigMaps for a deployment (in sec)", metrics.DeploymentName) | ||
| ) | ||
|
|
||
| // EnsureConfigMaps creates all ConfigMaps needed to run the given deployment | ||
| func (r *Resources) EnsureConfigMaps(ctx context.Context, cachedStatus inspectorInterface.Inspector) error { | ||
| start := time.Now() | ||
| spec := r.context.GetSpec() | ||
| configMaps := cachedStatus.ConfigMapsModInterface().V1() | ||
| apiObject := r.context.GetAPIObject() | ||
| deploymentName := apiObject.GetName() | ||
|
|
||
| defer metrics.SetDuration(inspectConfigMapsDurationGauges.WithLabelValues(deploymentName), start) | ||
| counterMetric := inspectedConfigMapsCounters.WithLabelValues(deploymentName) | ||
|
|
||
| reconcileRequired := k8sutil.NewReconcile(cachedStatus) | ||
|
|
||
| if features.Gateway().Enabled() && spec.IsGatewayEnabled() { | ||
| counterMetric.Inc() | ||
| if err := reconcileRequired.WithError(r.ensureGatewayConfig(ctx, cachedStatus, configMaps)); err != nil { | ||
| return errors.Section(err, "Gateway ConfigMap") | ||
| } | ||
| } | ||
| return reconcileRequired.Reconcile(ctx) | ||
| } | ||
|
|
||
| func (r *Resources) ensureGatewayConfig(ctx context.Context, cachedStatus inspectorInterface.Inspector, configMaps configMapsV1.ModInterface) error { | ||
| deploymentName := r.context.GetAPIObject().GetName() | ||
| configMapName := GetGatewayConfigMapName(deploymentName) | ||
|
|
||
| if _, exists := cachedStatus.ConfigMap().V1().GetSimple(configMapName); !exists { | ||
| // Find serving service (single/crdn) | ||
| spec := r.context.GetSpec() | ||
| svcServingName := fmt.Sprintf("%s-%s", deploymentName, spec.Mode.Get().ServingGroup().AsRole()) | ||
|
|
||
| svc, svcExist := cachedStatus.Service().V1().GetSimple(svcServingName) | ||
| if !svcExist { | ||
| return errors.Errorf("Service %s not found", svcServingName) | ||
| } | ||
|
|
||
| gatewayCfgYaml, err := RenderGatewayConfigYAML(svc.Spec.ClusterIP) | ||
| if err != nil { | ||
| return errors.WithStack(errors.Wrapf(err, "Failed to render gateway config")) | ||
| } | ||
| cm := &core.ConfigMap{ | ||
| ObjectMeta: meta.ObjectMeta{ | ||
| Name: configMapName, | ||
| }, | ||
| Data: map[string]string{ | ||
| GatewayConfigFileName: string(gatewayCfgYaml), | ||
| GatewayConfigChecksumName: util.SHA256(gatewayCfgYaml), | ||
| }, | ||
| } | ||
|
|
||
| owner := r.context.GetAPIObject().AsOwner() | ||
|
|
||
| err = globals.GetGlobalTimeouts().Kubernetes().RunWithTimeout(ctx, func(ctxChild context.Context) error { | ||
| return k8sutil.CreateConfigMap(ctxChild, configMaps, cm, &owner) | ||
| }) | ||
| if kerrors.IsAlreadyExists(err) { | ||
| // CM added while we tried it also | ||
| return nil | ||
| } else if err != nil { | ||
| // Failed to create | ||
| return errors.WithStack(err) | ||
| } | ||
|
|
||
| return errors.Reconcile() | ||
| } | ||
| return nil | ||
| } |
Oops, something went wrong.