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/
machine.go
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/
machine.go
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package environment
import (
"context"
"github.com/pkg/errors"
appsv1 "k8s.io/api/apps/v1"
corev1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
"code.cloudfoundry.org/quarks-operator/pkg/kube/client/clientset/versioned"
qstsclient "code.cloudfoundry.org/quarks-statefulset/pkg/kube/client/clientset/versioned"
"code.cloudfoundry.org/quarks-utils/testing/machine"
)
// Machine produces and destroys resources for tests
type Machine struct {
machine.Machine
VersionedClientset *versioned.Clientset
QuarksStatefulSetClient *qstsclient.Clientset
}
// CreateStatefulSet creates a statefulset and returns a function to delete it
func (m *Machine) CreateStatefulSet(namespace string, res appsv1.StatefulSet) (machine.TearDownFunc, error) {
client := m.Clientset.AppsV1().StatefulSets(namespace)
_, err := client.Create(context.Background(), &res, metav1.CreateOptions{})
return func() error {
err := client.Delete(context.Background(), res.GetName(), metav1.DeleteOptions{})
if err != nil && !apierrors.IsNotFound(err) {
return err
}
return nil
}, err
}
// CreateDeployment creates a statefulset and returns a function to delete it
func (m *Machine) CreateDeployment(namespace string, res appsv1.Deployment) (machine.TearDownFunc, error) {
client := m.Clientset.AppsV1().Deployments(namespace)
_, err := client.Create(context.Background(), &res, metav1.CreateOptions{})
return func() error {
err := client.Delete(context.Background(), res.GetName(), metav1.DeleteOptions{})
if err != nil && !apierrors.IsNotFound(err) {
return err
}
return nil
}, err
}
// CollectStatefulSet waits for statefulset with generation > x to appear, then returns it
func (m *Machine) CollectStatefulSet(namespace string, name string, generation int64) (*appsv1.StatefulSet, error) {
err := m.WaitForStatefulSetNewGeneration(namespace, name, generation)
if err != nil {
return nil, errors.Wrap(err, "waiting for statefulset "+name)
}
return m.GetStatefulSet(namespace, name)
}
// WaitForDeployment waits for deployment with generation > x to appear
func (m *Machine) WaitForDeployment(namespace string, name string, generation int64) error {
client := m.Clientset.AppsV1().Deployments(namespace)
return wait.PollImmediate(m.PollInterval, m.PollTimeout, func() (bool, error) {
d, err := client.Get(context.Background(), name, metav1.GetOptions{})
if err != nil {
return false, errors.Wrapf(err, "failed to query for deployment by name: %v", name)
}
if d.Status.ReadyReplicas != *d.Spec.Replicas {
return false, nil
}
if d.Status.ObservedGeneration > generation {
return true, nil
}
return false, nil
})
}
// CollectDeployment waits for deployment with generation > x to appear, then returns it
func (m *Machine) CollectDeployment(namespace string, name string, generation int64) (*appsv1.Deployment, error) {
client := m.Clientset.AppsV1().Deployments(namespace)
err := m.WaitForDeployment(namespace, name, generation)
if err != nil {
return nil, errors.Wrap(err, "waiting for deployment "+name)
}
return client.Get(context.Background(), name, metav1.GetOptions{})
}
// EnvKeys returns an array of all env key names found in containers
func (m *Machine) EnvKeys(containers []corev1.Container) []string {
envKeys := []string{}
for _, c := range containers {
for _, e := range c.Env {
envKeys = append(envKeys, e.Name)
}
}
return envKeys
}