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Merge pull request #22893 from Q-Lee/nanny-heapster

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Support addon Deployments, make heapster a deployment with a nanny.
This commit is contained in:
Q-Lee
2016-03-22 14:38:58 -07:00
parent 9dfbcae449 81ba98ae5d
commit 1f8773ee45
6 changed files with 254 additions and 25 deletions
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71
cluster/addons/cluster-monitoring/google/heapster-controller.yaml
View File

@@ -1,15 +1,17 @@
{% set metrics_memory = "200Mi" -%}
{% set eventer_memory = "200Mi" -%}
{% set metrics_memory_per_node = 4 -%}
{% set eventer_memory_per_node = 500 -%}
{% set num_nodes = pillar.get('num_nodes', -1) -%}
{% if num_nodes >= 0 -%}
{% set metrics_memory = (200 + num_nodes * 4)|string + "Mi" -%}
{% set eventer_memory = (200 * 1024 + num_nodes * 500)|string + "Ki" -%}
{% set metrics_memory = (200 + num_nodes * metrics_memory_per_node)|string + "Mi" -%}
{% set eventer_memory = (200 * 1024 + num_nodes * eventer_memory_per_node)|string + "Ki" -%}
{% endif -%}
apiVersion: v1
kind: ReplicationController
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: heapster-v1.0.0
name: heapster
namespace: kube-system
labels:
k8s-app: heapster
@@ -17,7 +19,8 @@ metadata:
spec:
replicas: 1
selector:
k8s-app: heapster
matchLabels:
k8s-app: heapster
template:
metadata:
labels:
@@ -62,6 +65,62 @@ spec:
- name: ssl-certs
mountPath: /etc/ssl/certs
readOnly: true
- image: gcr.io/google_containers/addon-resizer:1.0
name: heapster-nanny
resources:
limits:
cpu: 50m
memory: 100Mi
requests:
cpu: 50m
memory: 100Mi
env:
- name: MY_POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: MY_POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
command:
- /pod_nanny
- --cpu=100m
- --extra-cpu=0m
- --memory={{ metrics_memory }}
- --extra-memory={{metrics_memory_per_node}}Mi
- --threshold=5
- --deployment=heapster
- --container=heapster
- --poll-period=300000
- image: gcr.io/google_containers/addon-resizer:1.0
name: eventer-nanny
resources:
limits:
cpu: 50m
memory: 100Mi
requests:
cpu: 50m
memory: 100Mi
env:
- name: MY_POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: MY_POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
command:
- /pod_nanny
- --cpu=100m
- --extra-cpu=0m
- --memory={{eventer_memory}}
- --extra-memory={{eventer_memory_per_node}}Ki
- --threshold=5
- --deployment=heapster
- --container=eventer
- --poll-period=300000
volumes:
- name: ssl-certs
hostPath:

71
cluster/addons/cluster-monitoring/googleinfluxdb/heapster-controller-combined.yaml
View File

@@ -1,15 +1,17 @@
{% set metrics_memory = "200Mi" -%}
{% set eventer_memory = "200Mi" -%}
{% set metrics_memory_per_node = 4 -%}
{% set eventer_memory_per_node = 500 -%}
{% set num_nodes = pillar.get('num_nodes', -1) -%}
{% if num_nodes >= 0 -%}
{% set metrics_memory = (200 + num_nodes * 4)|string + "Mi" -%}
{% set eventer_memory = (200 * 1024 + num_nodes * 500)|string + "Ki" -%}
{% set metrics_memory = (200 + num_nodes * metrics_memory_per_node)|string + "Mi" -%}
{% set eventer_memory = (200 * 1024 + num_nodes * eventer_memory_per_node)|string + "Ki" -%}
{% endif -%}
apiVersion: v1
kind: ReplicationController
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: heapster-v1.0.0
name: heapster
namespace: kube-system
labels:
k8s-app: heapster
@@ -17,7 +19,8 @@ metadata:
spec:
replicas: 1
selector:
k8s-app: heapster
matchLabels:
k8s-app: heapster
template:
metadata:
labels:
@@ -63,6 +66,62 @@ spec:
- name: ssl-certs
mountPath: /etc/ssl/certs
readOnly: true
- image: gcr.io/google_containers/addon-resizer:1.0
name: heapster-nanny
resources:
limits:
cpu: 50m
memory: 100Mi
requests:
cpu: 50m
memory: 100Mi
env:
- name: MY_POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: MY_POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
command:
- /pod_nanny
- --cpu=100m
- --extra-cpu=0m
- --memory={{ metrics_memory }}
- --extra-memory={{ metrics_memory_per_node }}Mi
- --threshold=5
- --deployment=heapster
- --container=heapster
- --poll-period=300000
- image: gcr.io/google_containers/addon-resizer:1.0
name: eventer-nanny
resources:
limits:
cpu: 50m
memory: 100Mi
requests:
cpu: 50m
memory: 100Mi
env:
- name: MY_POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: MY_POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
command:
- /pod_nanny
- --cpu=100m
- --extra-cpu=0m
- --memory={{ eventer_memory }}
- --extra-memory={{ eventer_memory_per_node }}Ki
- --threshold=5
- --deployment=heapster
- --container=eventer
- --poll-period=300000
volumes:
- name: ssl-certs
hostPath:

72
cluster/addons/cluster-monitoring/influxdb/heapster-controller.yaml
View File

@@ -1,15 +1,17 @@
{% set metrics_memory = "200Mi" -%}
{% set eventer_memory = "200Mi" -%}
{% set metrics_memory_per_node = 4 -%}
{% set eventer_memory_per_node = 500 -%}
{% set num_nodes = pillar.get('num_nodes', -1) -%}
{% if num_nodes >= 0 -%}
{% set metrics_memory = (200 + num_nodes * 4)|string + "Mi" -%}
{% set eventer_memory = (200 * 1024 + num_nodes * 500)|string + "Ki" -%}
{% set metrics_memory = (200 + num_nodes * metrics_memory_per_node)|string + "Mi" -%}
{% set eventer_memory = (200 * 1024 + num_nodes * eventer_memory_per_node)|string + "Ki" -%}
{% endif -%}
apiVersion: v1
kind: ReplicationController
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: heapster-v1.0.0
name: heapster
namespace: kube-system
labels:
k8s-app: heapster
@@ -17,7 +19,8 @@ metadata:
spec:
replicas: 1
selector:
k8s-app: heapster
matchLabels:
k8s-app: heapster
template:
metadata:
labels:
@@ -54,3 +57,60 @@ spec:
- /eventer
- --source=kubernetes:''
- --sink=influxdb:http://monitoring-influxdb:8086
- image: gcr.io/google_containers/addon-resizer:1.0
name: heapster-nanny
resources:
limits:
cpu: 50m
memory: 100Mi
requests:
cpu: 50m
memory: 100Mi
env:
- name: MY_POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: MY_POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
command:
- /pod_nanny
- --cpu=100m
- --extra-cpu=0m
- --memory={{ metrics_memory }}
- --extra-memory={{ metrics_memory_per_node }}Mi
- --threshold=5
- --deployment=heapster
- --container=heapster
- --poll-period=300000
- image: gcr.io/google_containers/addon-resizer:1.0
name: eventer-nanny
resources:
limits:
cpu: 50m
memory: 100Mi
requests:
cpu: 50m
memory: 100Mi
env:
- name: MY_POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: MY_POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
command:
- /pod_nanny
- --cpu=100m
- --extra-cpu=0m
- --memory={{ eventer_memory }}
- --extra-memory={{ eventer_memory_per_node }}Ki
- --threshold=5
- --deployment=heapster
- --container=eventer
- --poll-period=300000

40
cluster/addons/cluster-monitoring/standalone/heapster-controller.yaml
View File

@@ -1,13 +1,14 @@
{% set metrics_memory = "200Mi" -%}
{% set metrics_memory_per_node = 4 -%}
{% set num_nodes = pillar.get('num_nodes', -1) -%}
{% if num_nodes >= 0 -%}
{% set metrics_memory = (200 + num_nodes * 4)|string + "Mi" -%}
{% set metrics_memory = (200 + num_nodes * metrics_memory_per_node)|string + "Mi" -%}
{% endif -%}
apiVersion: v1
kind: ReplicationController
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: heapster-v1.0.0
name: heapster
namespace: kube-system
labels:
k8s-app: heapster
@@ -15,7 +16,8 @@ metadata:
spec:
replicas: 1
selector:
k8s-app: heapster
matchLabels:
k8s-app: heapster
template:
metadata:
labels:
@@ -37,3 +39,31 @@ spec:
- /heapster
- --source=kubernetes.summary_api:''
- --metric_resolution=60s
- image: gcr.io/google_containers/addon-resizer:1.0
name: heapster-nanny
resources:
limits:
cpu: 50m
memory: 100Mi
requests:
cpu: 50m
memory: 100Mi
env:
- name: MY_POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: MY_POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
command:
- /pod_nanny
- --cpu=100m
- --extra-cpu=0m
- --memory={{ metrics_memory }}
- --extra-memory={{ metrics_memory_per_node }}Mi
- --threshold=5
- --deployment=heapster
- --container=heapster
- --poll-period=300000

1
cluster/saltbase/salt/kube-addons/kube-addon-update.sh
View File

@@ -481,6 +481,7 @@ function update-addons() {
# That's why we pass an empty string as the version separator.
# If the description differs on disk, the object should be recreated.
# This is not implemented in this version.
reconcile-objects ${addon_path} Deployment "" &
reconcile-objects ${addon_path} Service "" &
reconcile-objects ${addon_path} PersistentVolume "" &
reconcile-objects ${addon_path} PersistentVolumeClaim "" &

24
test/e2e/monitoring.go
View File

@@ -102,14 +102,19 @@ func verifyExpectedRcsExistAndGetExpectedPods(c *client.Client) ([]string, error
for _, rcLabel := range rcLabels {
selector := labels.Set{"k8s-app": rcLabel}.AsSelector()
options := api.ListOptions{LabelSelector: selector}
deploymentList, err := c.Deployments(api.NamespaceSystem).List(options)
if err != nil {
return nil, err
}
rcList, err := c.ReplicationControllers(api.NamespaceSystem).List(options)
if err != nil {
return nil, err
}
if len(rcList.Items) != 1 {
return nil, fmt.Errorf("expected to find one replica for RC with label %s but got %d",
if (len(rcList.Items) + len(deploymentList.Items)) != 1 {
return nil, fmt.Errorf("expected to find one replica for RC or deployment with label %s but got %d",
rcLabel, len(rcList.Items))
}
// Check all the replication controllers.
for _, rc := range rcList.Items {
selector := labels.Set(rc.Spec.Selector).AsSelector()
options := api.ListOptions{LabelSelector: selector}
@@ -124,6 +129,21 @@ func verifyExpectedRcsExistAndGetExpectedPods(c *client.Client) ([]string, error
expectedPods = append(expectedPods, string(pod.UID))
}
}
// Do the same for all deployments.
for _, rc := range deploymentList.Items {
selector := labels.Set(rc.Spec.Selector.MatchLabels).AsSelector()
options := api.ListOptions{LabelSelector: selector}
podList, err := c.Pods(api.NamespaceSystem).List(options)
if err != nil {
return nil, err
}
for _, pod := range podList.Items {
if pod.DeletionTimestamp != nil {
continue
}
expectedPods = append(expectedPods, string(pod.UID))
}
}
}
return expectedPods, nil
}