mirror of https://github.com/docker/cli.git
108 lines
2.6 KiB
Go
108 lines
2.6 KiB
Go
package kubernetes
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"path/filepath"
|
|
"sort"
|
|
|
|
"github.com/docker/cli/kubernetes/compose/v1beta2"
|
|
"github.com/docker/cli/kubernetes/labels"
|
|
apiv1 "k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
corev1 "k8s.io/client-go/kubernetes/typed/core/v1"
|
|
)
|
|
|
|
// stack is the main type used by stack commands so they remain independent from kubernetes compose component version.
|
|
type stack struct {
|
|
name string
|
|
namespace string
|
|
composeFile string
|
|
spec *v1beta2.StackSpec
|
|
}
|
|
|
|
// getServices returns all the stack service names, sorted lexicographically
|
|
func (s *stack) getServices() []string {
|
|
services := make([]string, len(s.spec.Services))
|
|
for i, service := range s.spec.Services {
|
|
services[i] = service.Name
|
|
}
|
|
sort.Strings(services)
|
|
return services
|
|
}
|
|
|
|
// createFileBasedConfigMaps creates a Kubernetes ConfigMap for each Compose global file-based config.
|
|
func (s *stack) createFileBasedConfigMaps(configMaps corev1.ConfigMapInterface) error {
|
|
for name, config := range s.spec.Configs {
|
|
if config.File == "" {
|
|
continue
|
|
}
|
|
|
|
fileName := filepath.Base(config.File)
|
|
content, err := ioutil.ReadFile(config.File)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if _, err := configMaps.Create(toConfigMap(s.name, name, fileName, content)); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// toConfigMap converts a Compose Config to a Kube ConfigMap.
|
|
func toConfigMap(stackName, name, key string, content []byte) *apiv1.ConfigMap {
|
|
return &apiv1.ConfigMap{
|
|
TypeMeta: metav1.TypeMeta{
|
|
Kind: "ConfigMap",
|
|
APIVersion: "v1",
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
Labels: map[string]string{
|
|
labels.ForStackName: stackName,
|
|
},
|
|
},
|
|
Data: map[string]string{
|
|
key: string(content),
|
|
},
|
|
}
|
|
}
|
|
|
|
// createFileBasedSecrets creates a Kubernetes Secret for each Compose global file-based secret.
|
|
func (s *stack) createFileBasedSecrets(secrets corev1.SecretInterface) error {
|
|
for name, secret := range s.spec.Secrets {
|
|
if secret.File == "" {
|
|
continue
|
|
}
|
|
|
|
fileName := filepath.Base(secret.File)
|
|
content, err := ioutil.ReadFile(secret.File)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if _, err := secrets.Create(toSecret(s.name, name, fileName, content)); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// toSecret converts a Compose Secret to a Kube Secret.
|
|
func toSecret(stackName, name, key string, content []byte) *apiv1.Secret {
|
|
return &apiv1.Secret{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
Labels: map[string]string{
|
|
labels.ForStackName: stackName,
|
|
},
|
|
},
|
|
Data: map[string][]byte{
|
|
key: content,
|
|
},
|
|
}
|
|
}
|