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Code Issues Releases Activity

Kubernetes refactor (#2794)

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Kubernetes backend refactoring and tests

---------
Co-authored-by: 6543 <6543@obermui.de>
This commit is contained in:
Thomas Anderson
2023-12-19 06:53:52 +03:00
committed by GitHub
parent ed4cd1044c
commit 01a955ed0e
10 changed files with 719 additions and 268 deletions
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71
pipeline/backend/kubernetes/service.go
View File

@ -15,14 +15,20 @@
package kubernetes
import (
"context"
"fmt"
"github.com/rs/zerolog/log"
"go.woodpecker-ci.org/woodpecker/v2/pipeline/backend/types"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
)
func Service(namespace, name string, ports []uint16) (*v1.Service, error) {
func mkService(namespace, name string, ports []uint16, selector map[string]string) (*v1.Service, error) {
log.Trace().Str("name", name).Interface("selector", selector).Interface("ports", ports).Msg("Creating service")
var svcPorts []v1.ServicePort
for _, port := range ports {
svcPorts = append(svcPorts, v1.ServicePort{
@ -32,22 +38,57 @@ func Service(namespace, name string, ports []uint16) (*v1.Service, error) {
})
}
dnsName, err := dnsName(name)
return &v1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: namespace,
},
Spec: v1.ServiceSpec{
Type: v1.ServiceTypeClusterIP,
Selector: selector,
Ports: svcPorts,
},
}, nil
}
func serviceName(step *types.Step) (string, error) {
return dnsName(step.Name)
}
func startService(ctx context.Context, engine *kube, step *types.Step) (*v1.Service, error) {
name, err := serviceName(step)
if err != nil {
return nil, err
}
podName, err := podName(step)
if err != nil {
return nil, err
}
return &v1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: dnsName,
Namespace: namespace,
},
Spec: v1.ServiceSpec{
Type: v1.ServiceTypeClusterIP,
Selector: map[string]string{
"step": dnsName,
},
Ports: svcPorts,
},
}, nil
selector := map[string]string{
StepLabel: podName,
}
svc, err := mkService(engine.config.Namespace, name, step.Ports, selector)
if err != nil {
return nil, err
}
return engine.client.CoreV1().Services(engine.config.Namespace).Create(ctx, svc, metav1.CreateOptions{})
}
func stopService(ctx context.Context, engine *kube, step *types.Step, deleteOpts metav1.DeleteOptions) error {
svcName, err := serviceName(step)
if err != nil {
return err
}
log.Trace().Str("name", svcName).Msg("Deleting service")
err = engine.client.CoreV1().Services(engine.config.Namespace).Delete(ctx, svcName, deleteOpts)
if errors.IsNotFound(err) {
// 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.
log.Trace().Err(err).Msgf("Unable to delete service %s", svcName)
return nil
}
return err
}