Files
fx-serverless/deploy/kubernetes/deployment.go
Minghe 047fac2a0a Docker image build in Cluster (#327)
* * image build in cluster now
  use InitContainer to do the image building inside pods, which invoke
  docker again node's docker daemon
* create a docker build image tool fx/contrib/docker_packer
* clean up no need env in GitHub action workflow
* bump version
2019-10-16 23:37:52 +08:00

104 lines
2.8 KiB
Go

package kubernetes
import (
"fmt"
"github.com/metrue/fx/types"
appsv1 "k8s.io/api/apps/v1"
apiv1 "k8s.io/api/core/v1"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func generateDeploymentSpec(
name string,
image string,
bindPorts []types.PortBinding,
replicas int32,
selector map[string]string,
) *appsv1.Deployment {
ports := []apiv1.ContainerPort{}
for index, binding := range bindPorts {
ports = append(ports, apiv1.ContainerPort{
Name: fmt.Sprintf("fx-container-%d", index),
ContainerPort: binding.ContainerExposePort,
})
}
container := apiv1.Container{
Name: "fx-placeholder-container-name",
Image: image,
Ports: ports,
ImagePullPolicy: v1.PullNever,
}
return &appsv1.Deployment{
ObjectMeta: metav1.ObjectMeta{
Name: name,
},
Spec: appsv1.DeploymentSpec{
Replicas: &replicas,
Selector: &metav1.LabelSelector{
MatchLabels: selector,
},
Template: apiv1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: selector,
},
Spec: apiv1.PodSpec{
Containers: []apiv1.Container{container},
},
},
},
}
}
// GetDeployment get a deployment
func (k *K8S) GetDeployment(namespace string, name string) (*appsv1.Deployment, error) {
return k.AppsV1().Deployments(namespace).Get(name, metav1.GetOptions{})
}
// CreateDeployment create a deployment
func (k *K8S) CreateDeployment(
namespace string,
name string,
image string,
ports []types.PortBinding,
replicas int32,
selector map[string]string,
) (*appsv1.Deployment, error) {
deployment := generateDeploymentSpec(name, image, ports, replicas, selector)
return k.AppsV1().Deployments(namespace).Create(deployment)
}
// UpdateDeployment update a deployment
func (k *K8S) UpdateDeployment(
namespace string,
name string,
image string,
ports []types.PortBinding,
replicas int32,
selector map[string]string,
) (*appsv1.Deployment, error) {
deployment := generateDeploymentSpec(name, image, ports, replicas, selector)
return k.AppsV1().Deployments(namespace).Update(deployment)
}
// DeleteDeployment delete a deployment
func (k *K8S) DeleteDeployment(namespace string, name string) error {
return k.AppsV1().Deployments(namespace).Delete(name, &metav1.DeleteOptions{})
}
// CreateDeploymentWithInitContainer create a deployment which will wait InitContainer to do the image build before function container start
func (k *K8S) CreateDeploymentWithInitContainer(
namespace string,
name string,
ports []types.PortBinding,
replicas int32,
selector map[string]string,
) (*appsv1.Deployment, error) {
deployment := generateDeploymentSpec(name, name, ports, replicas, selector)
updatedDeployment := injectInitContainer(name, deployment)
fmt.Println(updatedDeployment)
return k.AppsV1().Deployments(namespace).Create(updatedDeployment)
}