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Add support for Docker Enterprise Container Cloud metrics (#998)

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* Add support for Docker Enterprise Container Cloud metrics

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>
This commit is contained in:
Lauri Nevala 2020-09-30 14:02:18 +03:00 committed by GitHub
parent c542ad0348
commit c049918d25
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2 changed files with 85 additions and 1 deletions
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3
src/common/prometheus-providers.ts
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import { PrometheusLens } from "../main/prometheus/lens";
import { PrometheusHelm } from "../main/prometheus/helm";
import { PrometheusOperator } from "../main/prometheus/operator";
import { PrometheusStacklight } from "../main/prometheus/stacklight";
import { PrometheusProviderRegistry } from "../main/prometheus/provider-registry";
[PrometheusLens, PrometheusHelm, PrometheusOperator].forEach(providerClass => {
[PrometheusLens, PrometheusHelm, PrometheusOperator, PrometheusStacklight].forEach(providerClass => {
const provider = new providerClass()
PrometheusProviderRegistry.registerProvider(provider.id, provider)
});

83
src/main/prometheus/stacklight.ts Normal file
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import { PrometheusProvider, PrometheusQueryOpts, PrometheusQuery, PrometheusService } from "./provider-registry";
import { CoreV1Api } from "@kubernetes/client-node";
import logger from "../logger"
export class PrometheusStacklight implements PrometheusProvider {
id = "stacklight"
name = "Stacklight"
rateAccuracy = "1m"
public async getPrometheusService(client: CoreV1Api): Promise<PrometheusService> {
try {
const resp = await client.readNamespacedService("prometheus-server", "stacklight")
const service = resp.body
return {
id: this.id,
namespace: service.metadata.namespace,
service: service.metadata.name,
port: service.spec.ports[0].port
}
} catch(error) {
logger.warn(`PrometheusLens: failed to list services: ${error.response.body.message}`)
}
}
public getQueries(opts: PrometheusQueryOpts): PrometheusQuery {
switch(opts.category) {
case 'cluster':
return {
memoryUsage: `
sum(
node_memory_MemTotal_bytes - (node_memory_MemFree_bytes + node_memory_Buffers_bytes + node_memory_Cached_bytes)
) by (kubernetes_name)
`.replace(/_bytes/g, `_bytes{node=~"${opts.nodes}"}`),
memoryRequests: `sum(kube_pod_container_resource_requests{node=~"${opts.nodes}", resource="memory"}) by (component)`,
memoryLimits: `sum(kube_pod_container_resource_limits{node=~"${opts.nodes}", resource="memory"}) by (component)`,
memoryCapacity: `sum(kube_node_status_capacity{node=~"${opts.nodes}", resource="memory"}) by (component)`,
cpuUsage: `sum(rate(node_cpu_seconds_total{node=~"${opts.nodes}", mode=~"user|system"}[${this.rateAccuracy}]))`,
cpuRequests:`sum(kube_pod_container_resource_requests{node=~"${opts.nodes}", resource="cpu"}) by (component)`,
cpuLimits: `sum(kube_pod_container_resource_limits{node=~"${opts.nodes}", resource="cpu"}) by (component)`,
cpuCapacity: `sum(kube_node_status_capacity{node=~"${opts.nodes}", resource="cpu"}) by (component)`,
podUsage: `sum(kubelet_running_pod_count{instance=~"${opts.nodes}"})`,
podCapacity: `sum(kube_node_status_capacity{node=~"${opts.nodes}", resource="pods"}) by (component)`,
fsSize: `sum(node_filesystem_size_bytes{node=~"${opts.nodes}", mountpoint="/"}) by (node)`,
fsUsage: `sum(node_filesystem_size_bytes{node=~"${opts.nodes}", mountpoint="/"} - node_filesystem_avail_bytes{node=~"${opts.nodes}", mountpoint="/"}) by (node)`
}
case 'nodes':
return {
memoryUsage: `sum (node_memory_MemTotal_bytes - (node_memory_MemFree_bytes + node_memory_Buffers_bytes + node_memory_Cached_bytes)) by (node)`,
memoryCapacity: `sum(kube_node_status_capacity{resource="memory"}) by (node)`,
cpuUsage: `sum(rate(node_cpu_seconds_total{mode=~"user|system"}[${this.rateAccuracy}])) by(node)`,
cpuCapacity: `sum(kube_node_status_allocatable{resource="cpu"}) by (node)`,
fsSize: `sum(node_filesystem_size_bytes{mountpoint="/"}) by (node)`,
fsUsage: `sum(node_filesystem_size_bytes{mountpoint="/"} - node_filesystem_avail_bytes{mountpoint="/"}) by (node)`
}
case 'pods':
return {
cpuUsage: `sum(rate(container_cpu_usage_seconds_total{container!="POD",container!="",pod=~"${opts.pods}",namespace="${opts.namespace}"}[${this.rateAccuracy}])) by (${opts.selector})`,
cpuRequests: `sum(kube_pod_container_resource_requests{pod=~"${opts.pods}",resource="cpu",namespace="${opts.namespace}"}) by (${opts.selector})`,
cpuLimits: `sum(kube_pod_container_resource_limits{pod=~"${opts.pods}",resource="cpu",namespace="${opts.namespace}"}) by (${opts.selector})`,
memoryUsage: `sum(container_memory_working_set_bytes{container!="POD",container!="",pod=~"${opts.pods}",namespace="${opts.namespace}"}) by (${opts.selector})`,
memoryRequests: `sum(kube_pod_container_resource_requests{pod=~"${opts.pods}",resource="memory",namespace="${opts.namespace}"}) by (${opts.selector})`,
memoryLimits: `sum(kube_pod_container_resource_limits{pod=~"${opts.pods}",resource="memory",namespace="${opts.namespace}"}) by (${opts.selector})`,
fsUsage: `sum(container_fs_usage_bytes{container!="POD",container!="",pod=~"${opts.pods}",namespace="${opts.namespace}"}) by (${opts.selector})`,
networkReceive: `sum(rate(container_network_receive_bytes_total{pod=~"${opts.pods}",namespace="${opts.namespace}"}[${this.rateAccuracy}])) by (${opts.selector})`,
networkTransmit: `sum(rate(container_network_transmit_bytes_total{pod=~"${opts.pods}",namespace="${opts.namespace}"}[${this.rateAccuracy}])) by (${opts.selector})`
}
case 'pvc':
return {
diskUsage: `sum(kubelet_volume_stats_used_bytes{persistentvolumeclaim="${opts.pvc}"}) by (persistentvolumeclaim, namespace)`,
diskCapacity: `sum(kubelet_volume_stats_capacity_bytes{persistentvolumeclaim="${opts.pvc}"}) by (persistentvolumeclaim, namespace)`
}
case 'ingress':
const bytesSent = (ingress: string, statuses: string) =>
`sum(rate(nginx_ingress_controller_bytes_sent_sum{ingress="${ingress}", status=~"${statuses}"}[${this.rateAccuracy}])) by (ingress)`
return {
bytesSentSuccess: bytesSent(opts.igress, "^2\\\\d*"),
bytesSentFailure: bytesSent(opts.ingres, "^5\\\\d*"),
requestDurationSeconds: `sum(rate(nginx_ingress_controller_request_duration_seconds_sum{ingress="${opts.ingress}"}[${this.rateAccuracy}])) by (ingress)`,
responseDurationSeconds: `sum(rate(nginx_ingress_controller_response_duration_seconds_sum{ingress="${opts.ingress}"}[${this.rateAccuracy}])) by (ingress)`
}
}
}
}