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some more info to debug cluster

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This commit is contained in:
Henning Jacobs
2016-12-16 09:48:21 +01:00
parent c91b3bb281
commit f35f0a4091
2 changed files with 33 additions and 9 deletions
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12
app.py
View File

@@ -20,7 +20,8 @@ def index():
def get_clusters():
response = session.get('http://localhost:8001/api/v1/nodes', timeout=5)
api_server_url = 'http://localhost:8001/'
response = session.get('{}/api/v1/nodes'.format(api_server_url), timeout=5)
response.raise_for_status()
nodes = []
nodes_by_name = {}
@@ -33,6 +34,15 @@ def get_clusters():
for pod in response.json()['items']:
if 'nodeName' in pod['spec']:
nodes_by_name[pod['spec']['nodeName']]['pods'].append(pod)
try:
response = session.get('{}/api/v1/namespaces/kube-system/services/heapster/proxy/apis/metrics/v1alpha1/nodes'.format(api_server_url), timeout=5)
response.raise_for_status()
for metrics in response.json()['items']:
nodes_by_name[metrics['metadata']['name']]['usage'] = metrics['usage']
except:
logging.exception('Failed to get metrics')
return {'kubernetes_clusters': [{'nodes': nodes}]}

30
templates/index.html
View File

@@ -72,18 +72,25 @@ class Node extends PIXI.Graphics {
getResourceUsage() {
const resources = {}
for (let key of Object.keys(this.node.status.capacity)) {
resources[key] = {'capacity': parseResource(this.node.status.capacity[key]), 'used': 0}
resources[key] = {'capacity': parseResource(this.node.status.capacity[key]),
'requested': 0,
'used': 0}
}
if (this.node.usage) {
for (let key of Object.keys(this.node.usage)) {
resources[key]['used'] = parseResource(this.node.usage[key])
}
}
for (let pod of this.node.pods) {
for (let container of pod.spec.containers) {
if (container.resources && container.resources.requests) {
for (let key of Object.keys(container.resources.requests)) {
resources[key].used += parseResource(container.resources.requests[key])
resources[key].requested += parseResource(container.resources.requests[key])
}
}
}
}
resources['pods'].used = this.node.pods.length
resources['pods'].requested = this.node.pods.length
return resources
}
draw () {
@@ -123,17 +130,22 @@ class Node extends PIXI.Graphics {
nodeBox.tooltip.visible = false
})
const resources = this.getResourceUsage()
for (var i=0; i<resources.cpu.capacity; i++) {
nodeBox.drawRect(5, 105 - i * 5, 5, 5)
}
const cpuHeight = 80 / resources.cpu.capacity
nodeBox.lineStyle(2, 0xaaffaa, 1)
nodeBox.beginFill(0xaaffaa, 1)
nodeBox.drawRect(5, 110 - resources.cpu.used * 5, 5, resources.cpu.used * 5)
nodeBox.drawRect(3, 110 - resources.cpu.requested * cpuHeight, 3, resources.cpu.requested * cpuHeight)
nodeBox.drawRect(5, 110 - resources.cpu.used * cpuHeight, 5, resources.cpu.used * cpuHeight)
nodeBox.endFill()
nodeBox.lineStyle(2, 0xaaaaaa, 1);
for (var i=0; i<resources.cpu.capacity; i++) {
nodeBox.drawRect(5, 110 - (i+1) * cpuHeight, 5, cpuHeight)
}
const scale = 1000*1000*200
const scale = resources.memory.capacity / 80
nodeBox.drawRect(14, 110 - resources.memory.capacity/scale, 5, resources.memory.capacity/scale)
nodeBox.lineStyle(2, 0xaaffaa, 1)
nodeBox.beginFill(0xaaffaa, 1)
nodeBox.drawRect(13, 110 - resources.memory.requested/scale, 3, resources.memory.requested/scale)
nodeBox.drawRect(15, 110 - resources.memory.used/scale, 3, resources.memory.used/scale)
nodeBox.endFill()
var text = new PIXI.Text('', {fontSize: 10, fill: 0xffffff})
@@ -205,6 +217,7 @@ class Pod extends PIXI.Graphics {
s += '\n' + key + ': ' + this.pod.metadata.labels[key]
}
}
s += '\nStatus: ' + this.pod.status.phase
s += '\nReady: ' + ready + '/' + containerStatuses.length
for (let containerStatus of containerStatuses) {
var key = Object.keys(containerStatus.state)[0]
@@ -218,6 +231,7 @@ class Pod extends PIXI.Graphics {
this.tooltip.x = this.toGlobal(new PIXI.Point(10, 10)).x
this.tooltip.y = this.toGlobal(new PIXI.Point(10, 10)).y
this.tooltip.visible = true
console.log(this.pod)
})
podBox.on('mouseout', function() {
podBox.filters = []