Files
katenary/generator/cronJob.go
Patrice Ferlet 4367a01769 Big refactorization
- reduce complexity
- use better tools to format the code
- add more tests
- and too many things to list here

We are rewriting for V3, so these commits are sometimes big and not
fully detailed. Of course, further work will be more documented.
2024-05-06 21:11:36 +02:00

125 lines
3.2 KiB
Go

package generator
import (
"log"
"strings"
"github.com/compose-spec/compose-go/types"
batchv1 "k8s.io/api/batch/v1"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"sigs.k8s.io/yaml"
"katenary/generator/labelStructs"
"katenary/utils"
)
// only used to check interface implementation
var (
_ Yaml = (*CronJob)(nil)
)
// CronJob is a kubernetes CronJob.
type CronJob struct {
*batchv1.CronJob
service *types.ServiceConfig
}
// NewCronJob creates a new CronJob from a compose service. The appName is the name of the application taken from the project name.
func NewCronJob(service types.ServiceConfig, chart *HelmChart, appName string) (*CronJob, *RBAC) {
labels, ok := service.Labels[LabelCronJob]
if !ok {
return nil, nil
}
mapping, err := labelStructs.CronJobFrom(labels)
if err != nil {
log.Fatalf("Error parsing cronjob labels: %s", err)
return nil, nil
}
if _, ok := chart.Values[service.Name]; !ok {
chart.Values[service.Name] = NewValue(service, false)
}
if chart.Values[service.Name].(*Value).CronJob == nil {
chart.Values[service.Name].(*Value).CronJob = &CronJobValue{}
}
chart.Values[service.Name].(*Value).CronJob.Schedule = mapping.Schedule
chart.Values[service.Name].(*Value).CronJob.ImagePullPolicy = "IfNotPresent"
chart.Values[service.Name].(*Value).CronJob.Environment = map[string]any{}
image, tag := mapping.Image, ""
if image == "" { // if image is not set, use the image from the service
image = service.Image
}
if strings.Contains(image, ":") {
image = strings.Split(service.Image, ":")[0]
tag = strings.Split(service.Image, ":")[1]
}
chart.Values[service.Name].(*Value).CronJob.Repository = &RepositoryValue{
Image: image,
Tag: tag,
}
cronjob := &CronJob{
CronJob: &batchv1.CronJob{
TypeMeta: metav1.TypeMeta{
Kind: "CronJob",
APIVersion: "batch/v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: utils.TplName(service.Name, appName),
Labels: GetLabels(service.Name, appName),
Annotations: Annotations,
},
Spec: batchv1.CronJobSpec{
Schedule: "{{ .Values." + service.Name + ".cronjob.schedule }}",
JobTemplate: batchv1.JobTemplateSpec{
Spec: batchv1.JobSpec{
Template: corev1.PodTemplateSpec{
Spec: corev1.PodSpec{
Containers: []corev1.Container{
{
Name: "cronjob",
Image: "{{ .Values." + service.Name + ".cronjob.repository.image }}:{{ default .Values." + service.Name + ".cronjob.repository.tag \"latest\" }}",
Command: []string{
"sh",
"-c",
mapping.Command,
},
},
},
},
},
},
},
},
},
service: &service,
}
var rbac *RBAC
if mapping.Rbac {
rbac = NewRBAC(service, appName)
// add the service account to the cronjob
cronjob.Spec.JobTemplate.Spec.Template.Spec.ServiceAccountName = utils.TplName(service.Name, appName)
}
return cronjob, rbac
}
// Filename returns the filename of the cronjob.
//
// Implements the Yaml interface.
func (c *CronJob) Filename() string {
return c.service.Name + ".cronjob.yaml"
}
// Yaml returns the yaml representation of the cronjob.
//
// Implements the Yaml interface.
func (c *CronJob) Yaml() ([]byte, error) {
return yaml.Marshal(c)
}