106 lines
3.1 KiB
Go
106 lines
3.1 KiB
Go
// Copyright 2022 Woodpecker Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package kubernetes
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import (
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"context"
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"fmt"
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"strings"
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"github.com/rs/zerolog/log"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/errors"
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meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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int_str "k8s.io/apimachinery/pkg/util/intstr"
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"go.woodpecker-ci.org/woodpecker/v2/pipeline/backend/types"
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)
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const (
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ServiceLabel = "service"
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servicePrefix = "wp-svc-"
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)
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func mkService(step *types.Step, config *config) (*v1.Service, error) {
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name, err := serviceName(step)
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if err != nil {
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return nil, err
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}
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selector := map[string]string{
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ServiceLabel: name,
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}
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var svcPorts []v1.ServicePort
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for _, port := range step.Ports {
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svcPorts = append(svcPorts, servicePort(port))
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}
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log.Trace().Str("name", name).Interface("selector", selector).Interface("ports", svcPorts).Msg("creating service")
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return &v1.Service{
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ObjectMeta: meta_v1.ObjectMeta{
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Name: name,
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Namespace: config.Namespace,
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},
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Spec: v1.ServiceSpec{
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Type: v1.ServiceTypeClusterIP,
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Selector: selector,
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Ports: svcPorts,
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},
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}, nil
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}
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func serviceName(step *types.Step) (string, error) {
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return dnsName(servicePrefix + step.UUID + "-" + step.Name)
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}
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func servicePort(port types.Port) v1.ServicePort {
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portNumber := int32(port.Number)
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portProtocol := strings.ToUpper(port.Protocol)
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return v1.ServicePort{
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Name: fmt.Sprintf("port-%d", portNumber),
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Port: portNumber,
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Protocol: v1.Protocol(portProtocol),
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TargetPort: int_str.IntOrString{IntVal: portNumber},
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}
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}
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func startService(ctx context.Context, engine *kube, step *types.Step) (*v1.Service, error) {
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engineConfig := engine.getConfig()
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svc, err := mkService(step, engineConfig)
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if err != nil {
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return nil, err
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}
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log.Trace().Str("name", svc.Name).Interface("selector", svc.Spec.Selector).Interface("ports", svc.Spec.Ports).Msg("creating service")
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return engine.client.CoreV1().Services(engineConfig.Namespace).Create(ctx, svc, meta_v1.CreateOptions{})
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}
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func stopService(ctx context.Context, engine *kube, step *types.Step, deleteOpts meta_v1.DeleteOptions) error {
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svcName, err := serviceName(step)
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if err != nil {
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return err
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}
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log.Trace().Str("name", svcName).Msg("deleting service")
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err = engine.client.CoreV1().Services(engine.config.Namespace).Delete(ctx, svcName, deleteOpts)
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if errors.IsNotFound(err) {
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// Don't abort on 404 errors from k8s, they most likely mean that the pod hasn't been created yet, usually because pipeline was canceled before running all steps.
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log.Trace().Err(err).Msgf("unable to delete service %s", svcName)
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return nil
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}
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return err
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}
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