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collect_scrapes.go
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collect_scrapes.go
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package vmagent
import (
"context"
"strings"
victoriametricsv1beta1 "github.com/VictoriaMetrics/operator/api/v1beta1"
"github.com/VictoriaMetrics/operator/controllers/factory/k8stools"
"github.com/VictoriaMetrics/operator/controllers/factory/logger"
"github.com/VictoriaMetrics/operator/internal/config"
"sigs.k8s.io/controller-runtime/pkg/client"
)
func selectScrapeConfig(ctx context.Context, cr *victoriametricsv1beta1.VMAgent, rclient client.Client) (map[string]*victoriametricsv1beta1.VMScrapeConfig, error) {
res := make(map[string]*victoriametricsv1beta1.VMScrapeConfig)
var scrapeConfigsCombined []victoriametricsv1beta1.VMScrapeConfig
if err := k8stools.VisitObjectsForSelectorsAtNs(ctx, rclient, cr.Spec.NodeScrapeNamespaceSelector, cr.Spec.ScrapeConfigSelector, cr.Namespace, cr.Spec.SelectAllByDefault,
func(list *victoriametricsv1beta1.VMScrapeConfigList) {
for _, item := range list.Items {
if !item.DeletionTimestamp.IsZero() {
continue
}
scrapeConfigsCombined = append(scrapeConfigsCombined, item)
}
}); err != nil {
return nil, err
}
for _, scrapeConf := range scrapeConfigsCombined {
sc := scrapeConf.DeepCopy()
res[scrapeConf.Namespace+"/"+scrapeConf.Name] = sc
}
scrapeConfigs := make([]string, 0)
for key := range res {
scrapeConfigs = append(scrapeConfigs, key)
}
logger.WithContext(ctx).Info("selected scrapeConfigs", "scrapeConfigs", strings.Join(scrapeConfigs, ","), "namespace", cr.Namespace, "vmagent", cr.Name)
return res, nil
}
func selectPodScrapes(ctx context.Context, cr *victoriametricsv1beta1.VMAgent, rclient client.Client) (map[string]*victoriametricsv1beta1.VMPodScrape, error) {
res := make(map[string]*victoriametricsv1beta1.VMPodScrape)
var podScrapesCombined []victoriametricsv1beta1.VMPodScrape
if err := k8stools.VisitObjectsForSelectorsAtNs(ctx, rclient, cr.Spec.PodScrapeNamespaceSelector, cr.Spec.PodScrapeSelector, cr.Namespace, cr.Spec.SelectAllByDefault,
func(list *victoriametricsv1beta1.VMPodScrapeList) {
for _, item := range list.Items {
if !item.DeletionTimestamp.IsZero() {
continue
}
podScrapesCombined = append(podScrapesCombined, item)
}
}); err != nil {
return nil, err
}
for _, podScrape := range podScrapesCombined {
pm := podScrape.DeepCopy()
res[podScrape.Namespace+"/"+podScrape.Name] = pm
}
podScrapes := make([]string, 0, len(res))
for key := range res {
podScrapes = append(podScrapes, key)
}
logger.WithContext(ctx).Info("selected PodScrapes", "podscrapes", strings.Join(podScrapes, ","), "namespace", cr.Namespace, "vmagent", cr.Name)
return res, nil
}
func selectVMProbes(ctx context.Context, cr *victoriametricsv1beta1.VMAgent, rclient client.Client) (map[string]*victoriametricsv1beta1.VMProbe, error) {
res := make(map[string]*victoriametricsv1beta1.VMProbe)
var probesCombined []victoriametricsv1beta1.VMProbe
if err := k8stools.VisitObjectsForSelectorsAtNs(ctx, rclient, cr.Spec.ProbeNamespaceSelector, cr.Spec.ProbeSelector, cr.Namespace, cr.Spec.SelectAllByDefault,
func(list *victoriametricsv1beta1.VMProbeList) {
for _, item := range list.Items {
if !item.DeletionTimestamp.IsZero() {
continue
}
probesCombined = append(probesCombined, item)
}
}); err != nil {
return nil, err
}
for _, probe := range probesCombined {
pm := probe.DeepCopy()
res[probe.Namespace+"/"+probe.Name] = pm
}
probesList := make([]string, 0)
for key := range res {
probesList = append(probesList, key)
}
logger.WithContext(ctx).Info("selected VMProbes", "vmProbes", strings.Join(probesList, ","), "namespace", cr.Namespace, "vmagent", cr.Name)
return res, nil
}
func selectVMNodeScrapes(ctx context.Context, cr *victoriametricsv1beta1.VMAgent, rclient client.Client) (map[string]*victoriametricsv1beta1.VMNodeScrape, error) {
l := logger.WithContext(ctx).WithValues("vmagent", cr.Name)
if !config.IsClusterWideAccessAllowed() && cr.IsOwnsServiceAccount() {
l.Info("cannot use VMNodeScrape at operator in single namespace mode with default permissions. Create ServiceAccount for VMAgent manually if needed. Skipping config generation for it")
return nil, nil
}
res := make(map[string]*victoriametricsv1beta1.VMNodeScrape)
var nodesCombined []victoriametricsv1beta1.VMNodeScrape
if err := k8stools.VisitObjectsForSelectorsAtNs(ctx, rclient,
cr.Spec.NodeScrapeNamespaceSelector, cr.Spec.NodeScrapeSelector, cr.Namespace, cr.Spec.SelectAllByDefault, func(list *victoriametricsv1beta1.VMNodeScrapeList) {
for _, item := range list.Items {
if !item.DeletionTimestamp.IsZero() {
continue
}
nodesCombined = append(nodesCombined, item)
}
}); err != nil {
return nil, err
}
for _, node := range nodesCombined {
pm := node.DeepCopy()
res[node.Namespace+"/"+node.Name] = pm
}
nodesList := make([]string, 0)
for key := range res {
nodesList = append(nodesList, key)
}
l.Info("selected VMNodeScrapes", "VMNodeScrapes", strings.Join(nodesList, ","))
return res, nil
}
func selectStaticScrapes(ctx context.Context, cr *victoriametricsv1beta1.VMAgent, rclient client.Client) (map[string]*victoriametricsv1beta1.VMStaticScrape, error) {
res := make(map[string]*victoriametricsv1beta1.VMStaticScrape)
var staticScrapesCombined []victoriametricsv1beta1.VMStaticScrape
if err := k8stools.VisitObjectsForSelectorsAtNs(ctx, rclient, cr.Spec.StaticScrapeNamespaceSelector, cr.Spec.StaticScrapeSelector, cr.Namespace, cr.Spec.SelectAllByDefault,
func(list *victoriametricsv1beta1.VMStaticScrapeList) {
for _, item := range list.Items {
if !item.DeletionTimestamp.IsZero() {
continue
}
staticScrapesCombined = append(staticScrapesCombined, item)
}
}); err != nil {
return nil, err
}
for _, staticScrape := range staticScrapesCombined {
pm := staticScrape.DeepCopy()
res[staticScrape.Namespace+"/"+staticScrape.Name] = pm
}
staticScrapes := make([]string, 0)
for key := range res {
staticScrapes = append(staticScrapes, key)
}
logger.WithContext(ctx).Info("selected StaticScrapes", "staticScrapes", strings.Join(staticScrapes, ","), "namespace", cr.Namespace, "vmagent", cr.Name)
return res, nil
}
func selectServiceScrapes(ctx context.Context, cr *victoriametricsv1beta1.VMAgent, rclient client.Client) (map[string]*victoriametricsv1beta1.VMServiceScrape, error) {
res := make(map[string]*victoriametricsv1beta1.VMServiceScrape)
var servScrapesCombined []victoriametricsv1beta1.VMServiceScrape
if err := k8stools.VisitObjectsForSelectorsAtNs(ctx, rclient, cr.Spec.ServiceScrapeNamespaceSelector, cr.Spec.ServiceScrapeSelector, cr.Namespace, cr.Spec.SelectAllByDefault,
func(list *victoriametricsv1beta1.VMServiceScrapeList) {
for _, item := range list.Items {
if !item.DeletionTimestamp.IsZero() {
continue
}
servScrapesCombined = append(servScrapesCombined, item)
}
}); err != nil {
return nil, err
}
for _, servScrape := range servScrapesCombined {
m := servScrape.DeepCopy()
res[servScrape.Namespace+"/"+servScrape.Name] = m
}
// filter out all service scrapes that access
// the file system.
// TODO this restriction applies only ServiceScrape, make it global to any other objects
if cr.Spec.ArbitraryFSAccessThroughSMs.Deny {
for namespaceAndName, sm := range res {
for _, endpoint := range sm.Spec.Endpoints {
if err := testForArbitraryFSAccess(endpoint); err != nil {
delete(res, namespaceAndName)
logger.WithContext(ctx).Info("skipping vmservicescrape",
"error", err.Error(),
"vmservicescrape", namespaceAndName,
"namespace", cr.Namespace,
"vmagent", cr.Name,
)
}
}
}
}
serviceScrapes := make([]string, 0, len(res))
for k := range res {
serviceScrapes = append(serviceScrapes, k)
}
logger.WithContext(ctx).Info("selected ServiceScrapes", "servicescrapes", strings.Join(serviceScrapes, ","), "namespace", cr.Namespace, "vmagent", cr.Name)
return res, nil
}