// Generates apiserver-like line with average length of 100 symbols
func generateLogLine(id int) string {
method := httpMethods[rand.Intn(len(httpMethods))]
namespace := namespaces[rand.Intn(len(namespaces))]
podName := rand.String(rand.IntnRange(3, 5))
url := fmt.Sprintf("/api/v1/namespaces/%s/pods/%s", namespace, podName)
status := rand.IntnRange(200, 600)
return fmt.Sprintf("%d %s %s %d", id, method, url, status)
}
func (util *FlockerUtil) CreateVolume(c *flockerVolumeProvisioner) (datasetUUID string, volumeSizeGB int, labels map[string]string, err error) {
if c.flockerClient == nil {
c.flockerClient, err = c.plugin.newFlockerClient("")
if err != nil {
return
}
}
nodes, err := c.flockerClient.ListNodes()
if err != nil {
return
}
if len(nodes) < 1 {
err = fmt.Errorf("no nodes found inside the flocker cluster to provision a dataset")
return
}
// select random node
rand.Seed(time.Now().UTC().UnixNano())
node := nodes[rand.Intn(len(nodes))]
glog.V(2).Infof("selected flocker node with UUID '%s' to provision dataset", node.UUID)
capacity := c.options.PVC.Spec.Resources.Requests[v1.ResourceName(v1.ResourceStorage)]
requestBytes := capacity.Value()
volumeSizeGB = int(volume.RoundUpSize(requestBytes, 1024*1024*1024))
createOptions := &flockerapi.CreateDatasetOptions{
MaximumSize: requestBytes,
Metadata: map[string]string{
"type": "k8s-dynamic-prov",
"pvc": c.options.PVC.Name,
},
Primary: node.UUID,
}
datasetState, err := c.flockerClient.CreateDataset(createOptions)
if err != nil {
return
}
datasetUUID = datasetState.DatasetID
glog.V(2).Infof("successfully created Flocker dataset with UUID '%s'", datasetUUID)
return
}