func syncPod(namespace string, podname string) error {
pod, err := kubeclient.Get().Pods(namespace).Get(podname)
if err != nil {
return err
}
rcname, ok := pod.Labels["managed-by"]
if !ok {
return fmt.Errorf("Need a `managed-by` label")
}
rc, err := kubeclient.Get().ReplicationControllers(namespace).Get(rcname)
if err != nil {
return err
}
nodeName := pod.Spec.NodeName
pod.Spec = rc.Spec.Template.Spec
pod.Spec.NodeName = nodeName
if pod.Annotations == nil {
pod.Annotations = make(map[string]string)
}
pod.Annotations["copied-from"] = rcname
for k, v := range rc.Spec.Template.Annotations {
if strings.HasPrefix(k, "config/") {
pod.Annotations[k] = v
}
}
_, err = kubeclient.Get().Pods(namespace).Update(pod)
return err
}
func editEndpoints(c *gin.Context) {
namespace := c.Param("ns")
epname := c.Param("ep")
_, delete := c.GetQuery("delete")
ep, err := kubeclient.Get().Endpoints(namespace).Get(epname)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
b, err := json.Marshal(ep)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
var out bytes.Buffer
err = json.Indent(&out, b, "", " ")
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.HTML(http.StatusOK, "endpointsEdit", gin.H{
"title": epname,
"namespace": namespace,
"objname": epname,
"json": out.String(),
"delete": strconv.FormatBool(delete),
})
}
func editReplicationController(c *gin.Context) {
namespace := c.Param("ns")
rcname := c.Param("rc")
_, delete := c.GetQuery("delete")
rc, err := kubeclient.Get().ReplicationControllers(namespace).Get(rcname)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
b, err := json.Marshal(rc)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
var out bytes.Buffer
err = json.Indent(&out, b, "", " ")
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.HTML(http.StatusOK, "replicationControllerEdit", gin.H{
"title": rcname,
"namespace": namespace,
"objname": rcname,
"json": out.String(),
"delete": strconv.FormatBool(delete),
})
}
func editNode(c *gin.Context) {
nodename := c.Param("no")
_, delete := c.GetQuery("delete")
node, err := kubeclient.Get().Nodes().Get(nodename)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
b, err := json.Marshal(node)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
var out bytes.Buffer
err = json.Indent(&out, b, "", " ")
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.HTML(http.StatusOK, "nodeEdit", gin.H{
"title": nodename,
"objname": nodename,
"json": out.String(),
"delete": strconv.FormatBool(delete),
})
}
func updateReplicationControllerWithPod(c *gin.Context) {
namespace := c.Param("ns")
podname := c.Param("po")
podjson := c.PostForm("json")
var pod api.Pod
err := json.Unmarshal([]byte(podjson), &pod)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
rcname, ok := pod.Labels["managed-by"]
if !ok {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": "Need a `managed-by` label"})
return
}
rc, err := kubeclient.Get().ReplicationControllers(namespace).Get(rcname)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
nodeName := rc.Spec.Template.Spec.NodeName
rc.Spec.Template.Spec = pod.Spec
rc.Spec.Template.Spec.NodeName = nodeName
if rc.Annotations == nil {
rc.Annotations = make(map[string]string)
}
rc.Annotations["copied-from"] = podname
if rc.Spec.Template.Annotations == nil {
rc.Spec.Template.Annotations = make(map[string]string)
}
for k, v := range pod.Annotations {
if strings.HasPrefix(k, "config/") {
rc.Spec.Template.Annotations[k] = v
}
}
_, err = kubeclient.Get().ReplicationControllers(namespace).Update(rc)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.Redirect(http.StatusMovedPermanently, fmt.Sprintf("/namespaces/%s/pods/%s/edit", namespace, podname))
}
func setPodImage(namespace string, podname string, fullImages []string) error {
pod, err := kubeclient.Get().Pods(namespace).Get(podname)
if err != nil {
return err
}
for i, image := range fullImages {
if image == "" {
continue
}
glog.Infof("Set image of '%s/%s/%d': %s -> %s", namespace, podname, i, pod.Spec.Containers[i].Image, image)
pod.Spec.Containers[i].Image = image
}
_, err = kubeclient.Get().Pods(namespace).Update(pod)
if err != nil {
return err
}
return nil
}
func listOthersInNamespace(c *gin.Context) {
namespace := c.Param("ns")
user := c.MustGet(gin.AuthUserKey).(string)
if user != "admin" && user != namespace {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": "Unauthorized"})
return
}
rcList, err := kubeclient.Get().ReplicationControllers(namespace).List(labels.Everything())
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
svcList, err := kubeclient.Get().Services(namespace).List(labels.Everything())
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
epList, err := kubeclient.Get().Endpoints(namespace).List(labels.Everything())
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
nodeList, err := kubeclient.Get().Nodes().List(labels.SelectorFromSet(labels.Set{
"project": namespace,
}), fields.Everything())
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.HTML(http.StatusOK, "nsInfo", gin.H{
"refresh": 60,
"title": namespace,
"ns": namespace,
"rcs": genReplicationControllers(rcList),
"svcs": genServices(svcList),
"eps": genEndpoints(epList),
"nodes": genNodes(nodeList),
})
}
func deleteNode(c *gin.Context) {
nodename := c.Param("no")
err := kubeclient.Get().Nodes().Delete(nodename)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.Redirect(http.StatusMovedPermanently, fmt.Sprintf("/nodes"))
}
func deleteReplicationController(c *gin.Context) {
namespace := c.Param("ns")
rcname := c.Param("rc")
rc, err := kubeclient.Get().ReplicationControllers(namespace).Get(rcname)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
if rc.Spec.Replicas > 0 || rc.Status.Replicas > 0 {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": "Replicas must be 0"})
return
}
err = kubeclient.Get().ReplicationControllers(namespace).Delete(rcname)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.Redirect(http.StatusMovedPermanently, fmt.Sprintf("/namespaces/%s", namespace))
}
func deleteEndpoints(c *gin.Context) {
namespace := c.Param("ns")
epname := c.Param("ep")
err := kubeclient.Get().Endpoints(namespace).Delete(epname)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.Redirect(http.StatusMovedPermanently, fmt.Sprintf("/namespaces/%s", namespace))
}
func updateNode(c *gin.Context) {
nodename := c.Param("no")
nodejson := c.PostForm("json")
var node api.Node
err := json.Unmarshal([]byte(nodejson), &node)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
r, _ := kubeclient.Get().Nodes().Get(node.Name)
node.ResourceVersion = r.ResourceVersion
_, err = kubeclient.Get().Nodes().Update(&node)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.Redirect(http.StatusMovedPermanently, fmt.Sprintf("/nodes/%s/edit", nodename))
}
func updatePod(c *gin.Context) {
namespace := c.Param("ns")
podname := c.Param("po")
podjson := c.PostForm("json")
var pod api.Pod
err := json.Unmarshal([]byte(podjson), &pod)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
r, _ := kubeclient.Get().Pods(namespace).Get(pod.Name)
pod.ResourceVersion = r.ResourceVersion
_, err = kubeclient.Get().Pods(namespace).Update(&pod)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.Redirect(http.StatusMovedPermanently, fmt.Sprintf("/namespaces/%s/pods/%s/edit", namespace, podname))
}
func overview(c *gin.Context) {
namespaces, err := kubeclient.Get().Namespaces().List(labels.Everything(), fields.Everything())
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
summary := page.Summary{}
for i := range namespaces.Items {
namespace := namespaces.Items[i].Name
podList, err := kubeclient.Get().Pods(namespace).List(labels.Everything(), fields.Everything())
if err != nil {
glog.Errorf("Can not get pods in namespace '%s': %v", namespace, err)
continue
}
eventList, err := kubeclient.Get().Events(namespace).List(labels.Everything(), fields.Everything())
if err != nil {
glog.Errorf("Can not get events in namespace '%s': %v", namespace, err)
eventList = &api.EventList{}
}
summary.Namespaces = append(summary.Namespaces, page.Namespace{
Name: namespace,
PodCount: len(podList.Items),
EventCount: len(eventList.Items),
})
}
nodeList, err := kubeclient.Get().Nodes().List(labels.Everything(), fields.Everything())
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
summary.NodeCount = len(nodeList.Items)
c.HTML(http.StatusOK, "overview", gin.H{
"title": "Sigma Overview",
"summary": summary,
})
}
func startPod(namespace string, podname string, checks []bool) error {
pod, err := kubeclient.Get().Pods(namespace).Get(podname)
if err != nil {
return err
}
for i, check := range checks {
if pod.Spec.Containers[i].Image != PauseImage {
// Already started.
continue
}
if check {
paused := fmt.Sprintf("paused%d", i)
pod.Spec.Containers[i].Image = pod.Annotations[paused]
delete(pod.Annotations, paused)
}
}
_, err = kubeclient.Get().Pods(namespace).Update(pod)
if err != nil {
return err
}
return nil
}
func listNodes(c *gin.Context) {
if c.MustGet(gin.AuthUserKey).(string) != "admin" {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": "Unauthorized"})
return
}
list, err := kubeclient.Get().Nodes().List(labels.Everything(), fields.Everything())
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.HTML(http.StatusOK, "nodeList", gin.H{
"title": "Sigma Nodes",
"nodes": genNodes(list),
})
}
func createService(c *gin.Context) {
namespace := c.Param("ns")
svcjson := c.PostForm("json")
var svc api.Service
err := json.Unmarshal([]byte(svcjson), &svc)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
_, err = kubeclient.Get().Services(namespace).Create(&svc)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.Redirect(http.StatusMovedPermanently, fmt.Sprintf("/namespaces/%s", namespace))
}
func listEventsInNamespace(c *gin.Context) {
namespace := c.Param("ns")
user := c.MustGet(gin.AuthUserKey).(string)
if user != "admin" && user != namespace {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": "Unauthorized"})
return
}
list, err := kubeclient.Get().Events(namespace).List(labels.Everything(), fields.Everything())
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.HTML(http.StatusOK, "eventList", gin.H{
"title": "Sigma Events",
"events": genEvents(list),
})
}
func updateEndpoints(c *gin.Context) {
namespace := c.Param("ns")
epname := c.Param("ep")
epjson := c.PostForm("json")
var ep api.Endpoints
err := json.Unmarshal([]byte(epjson), &ep)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
_, err = kubeclient.Get().Endpoints(namespace).Update(&ep)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.Redirect(http.StatusMovedPermanently, fmt.Sprintf("/namespaces/%s/endpoints/%s/edit", namespace, epname))
}
func updateReplicationController(c *gin.Context) {
namespace := c.Param("ns")
rcname := c.Param("rc")
rcjson := c.PostForm("json")
var rc api.ReplicationController
err := json.Unmarshal([]byte(rcjson), &rc)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
_, err = kubeclient.Get().ReplicationControllers(namespace).Update(&rc)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.Redirect(http.StatusMovedPermanently, fmt.Sprintf("/namespaces/%s/replicationcontrollers/%s/edit", namespace, rcname))
}
func createReplicationController(c *gin.Context) {
namespace := c.Param("ns")
rcjson := c.PostForm("json")
var rc api.ReplicationController
err := json.Unmarshal([]byte(rcjson), &rc)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
if rc.Spec.Selector == nil {
rc.Spec.Selector = make(map[string]string)
}
rc.Spec.Selector["managed-by"] = rc.Name
if rc.Spec.Template.Labels == nil {
rc.Spec.Template.Labels = make(map[string]string)
}
rc.Spec.Template.Labels["managed-by"] = rc.Name
rc.Spec.Template.Spec.Containers[0].Name = rc.Name
var meta api.ObjectMeta // clean metadata
meta.Name = rc.Name
meta.GenerateName = rc.GenerateName
meta.Labels = rc.Labels
meta.Annotations = rc.Annotations
if meta.Labels != nil {
meta.Labels["managed-by"] = rc.Name
}
rc.ObjectMeta = meta
_, err = kubeclient.Get().ReplicationControllers(namespace).Create(&rc)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.Redirect(http.StatusMovedPermanently, fmt.Sprintf("/namespaces/%s", namespace))
}
func describePod(c *gin.Context) {
namespace := c.Param("ns")
podname := c.Param("po")
pod, err := kubeclient.Get().Pods(namespace).Get(podname)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
b, err := json.Marshal(pod)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
var out bytes.Buffer
err = json.Indent(&out, b, "", " ")
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
var containers []string
for i := range pod.Spec.Containers {
containers = append(containers, pod.Spec.Containers[i].Name)
}
c.HTML(http.StatusOK, "podDetail", gin.H{
"title": podname,
"namespace": namespace,
"pod": podname,
"containers": containers,
"json": out.String(),
})
}
func listPodsInNamespace(c *gin.Context) {
namespace := c.Param("ns")
user := c.MustGet(gin.AuthUserKey).(string)
if user != "admin" && user != namespace {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": "Unauthorized"})
return
}
labelSelectorString, ok := c.GetQuery("labelSelector")
var labelSelector labels.Selector
if !ok {
labelSelector = labels.Everything()
} else {
var err error
if labelSelector, err = labels.Parse(labelSelectorString); err != nil {
c.HTML(http.StatusBadRequest, "error", gin.H{"error": err.Error()})
return
}
}
list, err := kubeclient.Get().Pods(namespace).List(labelSelector, fields.Everything())
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
pods := genPods(list)
images, statuses, hosts := page.GetPodsFilters(pods)
image, ok := c.GetQuery("image")
if ok && len(image) > 0 {
theImage := page.PodImage{Image: image, PrivateRepo: true}
pods = page.FilterPodsByImage(pods, theImage)
}
status, ok := c.GetQuery("status")
if ok && len(status) > 0 {
pods = page.FilterPodsByStatus(pods, status)
}
host, ok := c.GetQuery("host")
if ok && len(host) > 0 {
pods = page.FilterPodsByHost(pods, host)
}
sortAlgo, ok := c.GetQuery("sort")
if ok && len(sortAlgo) > 0 {
switch sortAlgo {
case "ByName":
sort.Sort(page.ByName(pods))
case "ByBirth":
sort.Sort(sort.Reverse(page.ByBirth(pods)))
default:
sort.Sort(sort.Reverse(page.ByBirth(pods)))
}
} else {
sort.Sort(sort.Reverse(page.ByBirth(pods)))
}
c.HTML(http.StatusOK, "podList", gin.H{
"title": "Sigma Pods",
"refresh": 60,
"namespace": namespace,
"queries": map[string]string{
"labelSelector": labelSelectorString,
"image": image,
"status": status,
"host": host,
"sort": sortAlgo,
},
"pods": pods,
"images": images,
"statuses": statuses,
"hosts": hosts,
})
}
func describeNode(c *gin.Context) {
nodename := c.Param("no")
node, err := kubeclient.Get().Nodes().Get(nodename)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
d := page.NodeDetail{
Name: node.Name,
Labels: node.Labels,
CreationTimestamp: node.CreationTimestamp.Time.Format(time.RFC1123Z),
Conditions: node.Status.Conditions,
Capacity: kube.TranslateResourseList(node.Status.Capacity),
SystemInfo: node.Status.NodeInfo,
}
allPods, err := kubeclient.GetAllPods()
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
d.Pods = kube.FilterNodePods(allPods, node)
d.TerminatedPods, d.NonTerminatedPods = kube.FilterTerminatedPods(d.Pods)
d.NonTerminatedPodsResources = computePodsResources(d.NonTerminatedPods, node)
d.TerminatedPodsResources = computePodsResources(d.TerminatedPods, node)
d.AllocatedResources, err = computeNodeResources(d.NonTerminatedPods, node)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
var pods []page.Pod
for _, pod := range d.Pods {
pods = append(pods, genOnePod(pod))
}
var nodeEvents []page.Event
var nodeEventList *api.EventList
if ref, err := api.GetReference(node); err != nil {
glog.Errorf("Unable to construct reference to '%#v': %v", node, err)
} else {
ref.UID = types.UID(ref.Name)
if nodeEventList, err = kubeclient.Get().Events("").Search(ref); err != nil {
glog.Errorf("Unable to search events for '%#v': %v", node, err)
}
}
if nodeEventList != nil {
nodeEvents = genEvents(nodeEventList)
}
var events []page.Event
var eventList *api.EventList
if eventList, err = kubeclient.Get().Events("").List(labels.Everything(), fields.Everything()); err != nil {
glog.Errorf("Unable to search events for '%#v': %v", node, err)
}
if eventList != nil {
events = genEvents(&api.EventList{Items: kube.FilterEventsFromNode(eventList.Items, node)})
}
c.HTML(http.StatusOK, "nodeDetail", gin.H{
"title": nodename,
"node": d,
"pods": pods,
"events": events,
"nodeEvents": nodeEvents,
})
}
func readLog(c *gin.Context, namespace string, podname string, containername string, previous bool) {
pod, err := kubeclient.Get().Pods(namespace).Get(podname)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
var containers []string
for i := range pod.Spec.Containers {
containers = append(containers, pod.Spec.Containers[i].Name)
}
container := pod.Spec.Containers[0].Name
if len(containername) > 0 {
container = containername
}
limitBytes := int64(256 * 1024)
tailLines := int64(500)
logOptions := &api.PodLogOptions{
Container: container,
Follow: false,
Previous: previous,
Timestamps: false,
TailLines: &tailLines,
LimitBytes: &limitBytes,
}
req := kubeclient.Get().RESTClient.
Get().
Namespace(namespace).
Name(podname).
Resource("pods").
SubResource("log").
Param("container", logOptions.Container).
Param("follow", strconv.FormatBool(logOptions.Follow)).
Param("previous", strconv.FormatBool(logOptions.Previous)).
Param("timestamps", strconv.FormatBool(logOptions.Timestamps)).
Param("tailLines", strconv.FormatInt(*logOptions.TailLines, 10)).
Param("limitBytes", strconv.FormatInt(*logOptions.LimitBytes, 10))
readCloser, err := req.Stream()
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
defer readCloser.Close()
var out bytes.Buffer
_, err = io.Copy(&out, readCloser)
if err != nil {
c.HTML(http.StatusInternalServerError, "error", gin.H{"error": err.Error()})
return
}
c.HTML(http.StatusOK, "podLog", gin.H{
"title": podname,
"namespace": namespace,
"pod": podname,
"containers": containers,
"log": out.String(),
"previous": strconv.FormatBool(logOptions.Previous),
})
}