8f32ee183f
The e2e core framework and subpackages of e2e framework are defined. The subpackages can import the core framework, but the core framework should not import the subpackages. We've defined this dependency rule after circular depencency issue happened. This adds TODOs to understand what we should in this rule.
90 lines
3.2 KiB
Go
90 lines
3.2 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package framework
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import (
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"bufio"
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"fmt"
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"strings"
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// TODO: Remove the following imports (ref: https://github.com/kubernetes/kubernetes/issues/81245)
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e2essh "k8s.io/kubernetes/test/e2e/framework/ssh"
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)
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// KubemarkResourceUsage is a struct for tracking the resource usage of kubemark.
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type KubemarkResourceUsage struct {
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Name string
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MemoryWorkingSetInBytes uint64
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CPUUsageInCores float64
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}
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func getMasterUsageByPrefix(prefix string) (string, error) {
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sshResult, err := e2essh.SSH(fmt.Sprintf("ps ax -o %%cpu,rss,command | tail -n +2 | grep %v | sed 's/\\s+/ /g'", prefix), GetMasterHost()+":22", TestContext.Provider)
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if err != nil {
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return "", err
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}
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return sshResult.Stdout, nil
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}
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// GetKubemarkMasterComponentsResourceUsage returns the resource usage of kubemark which contains multiple combinations of cpu and memory usage for each pod name.
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// TODO: figure out how to move this to kubemark directory (need to factor test SSH out of e2e framework)
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func GetKubemarkMasterComponentsResourceUsage() map[string]*KubemarkResourceUsage {
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result := make(map[string]*KubemarkResourceUsage)
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// Get kubernetes component resource usage
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sshResult, err := getMasterUsageByPrefix("kube")
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if err != nil {
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Logf("Error when trying to SSH to master machine. Skipping probe. %v", err)
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return nil
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}
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scanner := bufio.NewScanner(strings.NewReader(sshResult))
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for scanner.Scan() {
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var cpu float64
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var mem uint64
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var name string
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fmt.Sscanf(strings.TrimSpace(scanner.Text()), "%f %d /usr/local/bin/kube-%s", &cpu, &mem, &name)
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if name != "" {
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// Gatherer expects pod_name/container_name format
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fullName := name + "/" + name
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result[fullName] = &KubemarkResourceUsage{Name: fullName, MemoryWorkingSetInBytes: mem * 1024, CPUUsageInCores: cpu / 100}
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}
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}
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// Get etcd resource usage
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sshResult, err = getMasterUsageByPrefix("bin/etcd")
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if err != nil {
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Logf("Error when trying to SSH to master machine. Skipping probe")
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return nil
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}
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scanner = bufio.NewScanner(strings.NewReader(sshResult))
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for scanner.Scan() {
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var cpu float64
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var mem uint64
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var etcdKind string
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fmt.Sscanf(strings.TrimSpace(scanner.Text()), "%f %d /bin/sh -c /usr/local/bin/etcd", &cpu, &mem)
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dataDirStart := strings.Index(scanner.Text(), "--data-dir")
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if dataDirStart < 0 {
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continue
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}
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fmt.Sscanf(scanner.Text()[dataDirStart:], "--data-dir=/var/%s", &etcdKind)
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if etcdKind != "" {
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// Gatherer expects pod_name/container_name format
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fullName := "etcd/" + etcdKind
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result[fullName] = &KubemarkResourceUsage{Name: fullName, MemoryWorkingSetInBytes: mem * 1024, CPUUsageInCores: cpu / 100}
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}
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}
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return result
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}
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