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pods.go
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pods.go
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package kube
import (
"bytes"
"encoding/json"
"fmt"
"net/url"
"strings"
"github.com/airware/vili/kube/extensions/v1beta1"
"github.com/airware/vili/kube/unversioned"
"github.com/airware/vili/kube/v1"
)
// Pods is the default pods service instance
var Pods = &PodsService{}
// PodsService is the kubernetes service to interace with pods
type PodsService struct {
}
// List fetches the list of pods in `env`
func (s *PodsService) List(env string, query *url.Values) (*v1.PodList, *unversioned.Status, error) {
client, err := getClient(env)
if err != nil {
return nil, nil, invalidEnvError(env)
}
resp := &v1.PodList{}
path := "pods"
if query != nil {
path += "?" + query.Encode()
}
status, err := client.makeRequest("GET", path, nil, resp)
if status != nil || err != nil {
return nil, status, err
}
return resp, nil, nil
}
// ListForController fetches the list of pods in `env` for the given controller
func (s *PodsService) ListForController(env string, controller *v1.ReplicationController) (*v1.PodList, *unversioned.Status, error) {
var selector []string
for k, v := range controller.Spec.Selector {
selector = append(selector, fmt.Sprintf("%s=%s", k, v))
}
query := &url.Values{}
query.Add("labelSelector", strings.Join(selector, ","))
return s.List(env, query)
}
// ListForReplicaSet fetches the list of pods in `env` for the given replicaset
func (s *PodsService) ListForReplicaSet(env string, replicaSet *v1beta1.ReplicaSet) (*v1.PodList, *unversioned.Status, error) {
var selector []string
for k, v := range replicaSet.Spec.Selector.MatchLabels {
selector = append(selector, fmt.Sprintf("%s=%s", k, v))
}
query := &url.Values{}
query.Add("labelSelector", strings.Join(selector, ","))
return s.List(env, query)
}
// ListForDeployment fetches the list of pods in `env` for the given deployment
func (s *PodsService) ListForDeployment(env string, deployment *v1beta1.Deployment) (*v1.PodList, *unversioned.Status, error) {
var selector []string
for k, v := range deployment.Spec.Selector.MatchLabels {
selector = append(selector, fmt.Sprintf("%s=%s", k, v))
}
query := &url.Values{}
query.Add("labelSelector", strings.Join(selector, ","))
return s.List(env, query)
}
// Get fetches the pod in `env` with `name`
func (s *PodsService) Get(env, name string) (*v1.Pod, *unversioned.Status, error) {
client, err := getClient(env)
if err != nil {
return nil, nil, invalidEnvError(env)
}
resp := &v1.Pod{}
status, err := client.makeRequest("GET", "pods/"+name, nil, resp)
if status != nil || err != nil {
return nil, status, err
}
return resp, nil, nil
}
// GetLog fetches the pod log in `env` with `name`
func (s *PodsService) GetLog(env, name string) (string, *unversioned.Status, error) {
client, err := getClient(env)
if err != nil {
return "", nil, invalidEnvError(env)
}
body, status, err := client.makeRequestRaw("GET", "pods/"+name+"/log", nil)
if status != nil || err != nil {
return "", status, err
}
return string(body), nil, nil
}
// Create creates a pod in `env`
func (s *PodsService) Create(env string, data *v1.Pod) (*v1.Pod, *unversioned.Status, error) {
client, err := getClient(env)
if err != nil {
return nil, nil, invalidEnvError(env)
}
dataBytes, err := json.Marshal(data)
if err != nil {
return nil, nil, err
}
resp := &v1.Pod{}
status, err := client.makeRequest(
"POST",
"pods",
bytes.NewReader(dataBytes),
resp,
)
if status != nil || err != nil {
return nil, status, err
}
return resp, nil, nil
}
// Delete deletes the pod in `env` with `name`
func (s *PodsService) Delete(env, name string) (*v1.Pod, *unversioned.Status, error) {
client, err := getClient(env)
if err != nil {
return nil, nil, invalidEnvError(env)
}
resp := &v1.Pod{}
status, err := client.makeRequest("DELETE", "pods/"+name, nil, resp)
if status != nil || err != nil {
return nil, status, err
}
return resp, nil, nil
}
// DeleteForController deletes the pods in `env` for the given controller
func (s *PodsService) DeleteForController(env string, controller *v1.ReplicationController) (*v1.PodList, *unversioned.Status, error) {
client, err := getClient(env)
if err != nil {
return nil, nil, invalidEnvError(env)
}
podList, status, err := s.ListForController(env, controller)
if status != nil || err != nil {
return nil, status, err
}
for _, pod := range podList.Items {
resp := &v1.Pod{}
status, err := client.makeRequest("DELETE", "pods/"+pod.ObjectMeta.Name, nil, resp)
if status != nil || err != nil {
return nil, status, err
}
}
return podList, nil, nil
}