/
tester.go
157 lines (137 loc) · 4.35 KB
/
tester.go
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// Package cwagent implements CloudWatch agent plugin.
// ref. https://github.com/aws-samples/amazon-cloudwatch-container-insights/tree/master/k8s-deployment-manifest-templates/deployment-mode/daemonset/container-insights-monitoring/quickstart
// ref. https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Container-Insights-setup-metrics.html
// ref. https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Container-Insights-setup-EKS-quickstart.html
// ref. https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Container-Insights-setup-logs.html
//
// Publishes worker nodes logs to:
// - /aws/containerinsights/[CLUSTER-NAME]/performance
//
package cwagent
import (
"errors"
"fmt"
"io"
"reflect"
"strings"
"time"
eks_tester "github.com/aws/aws-k8s-tester/eks/tester"
"github.com/aws/aws-k8s-tester/eksconfig"
k8s_client "github.com/aws/aws-k8s-tester/pkg/k8s-client"
"github.com/aws/aws-k8s-tester/pkg/timeutil"
"go.uber.org/zap"
)
// Config defines fluentd configuration.
type Config struct {
Logger *zap.Logger
LogWriter io.Writer
Stopc chan struct{}
EKSConfig *eksconfig.Config
K8SClient k8s_client.EKS
}
var pkgName = reflect.TypeOf(tester{}).PkgPath()
func (ts *tester) Name() string { return pkgName }
func New(cfg Config) eks_tester.Tester {
cfg.Logger.Info("creating tester", zap.String("tester", pkgName))
return &tester{cfg: cfg}
}
type tester struct {
cfg Config
}
func (ts *tester) Create() (err error) {
if !ts.cfg.EKSConfig.IsEnabledAddOnCWAgent() {
ts.cfg.Logger.Info("skipping tester.Create", zap.String("tester", pkgName))
return nil
}
if ts.cfg.EKSConfig.AddOnCWAgent.Created {
ts.cfg.Logger.Info("skipping tester.Create", zap.String("tester", pkgName))
return nil
}
ts.cfg.Logger.Info("starting tester.Create", zap.String("tester", pkgName))
ts.cfg.EKSConfig.AddOnCWAgent.Created = true
ts.cfg.EKSConfig.Sync()
createStart := time.Now()
defer func() {
createEnd := time.Now()
ts.cfg.EKSConfig.AddOnCWAgent.TimeFrameCreate = timeutil.NewTimeFrame(createStart, createEnd)
ts.cfg.EKSConfig.Sync()
}()
if err = k8s_client.CreateNamespace(
ts.cfg.Logger,
ts.cfg.K8SClient.KubernetesClientSet(),
ts.cfg.EKSConfig.AddOnCWAgent.Namespace,
); err != nil {
return err
}
// create CloudWatch agent components
if err = ts.createCWAgentServiceAccount(); err != nil {
return err
}
if err = ts.createCWAgentRBACClusterRole(); err != nil {
return err
}
if err = ts.createCWAgentRBACClusterRoleBinding(); err != nil {
return err
}
if err = ts.createCWAgentConfigMapConfig(); err != nil {
return err
}
if err = ts.createCWAgentDaemonSet(); err != nil {
return err
}
if err = ts.checkCWAgentPods(); err != nil {
return err
}
ts.cfg.EKSConfig.Sync()
return nil
}
func (ts *tester) Delete() error {
if !ts.cfg.EKSConfig.IsEnabledAddOnCWAgent() {
ts.cfg.Logger.Info("skipping tester.Delete", zap.String("tester", pkgName))
return nil
}
if !ts.cfg.EKSConfig.AddOnCWAgent.Created {
ts.cfg.Logger.Info("skipping tester.Delete", zap.String("tester", pkgName))
return nil
}
ts.cfg.Logger.Info("starting tester.Delete", zap.String("tester", pkgName))
deleteStart := time.Now()
defer func() {
deleteEnd := time.Now()
ts.cfg.EKSConfig.AddOnCWAgent.TimeFrameDelete = timeutil.NewTimeFrame(deleteStart, deleteEnd)
ts.cfg.EKSConfig.Sync()
}()
var errs []string
if err := ts.deleteCWAgentDaemonSet(); err != nil {
errs = append(errs, err.Error())
}
time.Sleep(time.Minute)
if err := ts.deleteCWAgentConfigMapConfig(); err != nil {
errs = append(errs, err.Error())
}
if err := ts.deleteCWAgentRBACClusterRoleBinding(); err != nil {
errs = append(errs, err.Error())
}
if err := ts.deleteCWAgentRBACClusterRole(); err != nil {
errs = append(errs, err.Error())
}
if err := ts.deleteCWAgentServiceAccount(); err != nil {
errs = append(errs, err.Error())
}
if err := k8s_client.DeleteNamespaceAndWait(
ts.cfg.Logger,
ts.cfg.K8SClient.KubernetesClientSet(),
ts.cfg.EKSConfig.AddOnCWAgent.Namespace,
k8s_client.DefaultNamespaceDeletionInterval,
k8s_client.DefaultNamespaceDeletionTimeout,
k8s_client.WithForceDelete(true),
); err != nil {
errs = append(errs, fmt.Sprintf("failed to delete fluentd namespace (%v)", err))
}
if len(errs) > 0 {
return errors.New(strings.Join(errs, ", "))
}
ts.cfg.EKSConfig.AddOnCWAgent.Created = false
ts.cfg.EKSConfig.Sync()
return nil
}