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elasticsearch.go
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elasticsearch.go
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package storage
import (
"strings"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"github.com/jaegertracing/jaeger-operator/pkg/apis/io/v1alpha1"
esv1alpha1 "github.com/jaegertracing/jaeger-operator/pkg/storage/elasticsearch/v1alpha1"
)
const (
// #nosec G101: Potential hardcoded credentials (Confidence: LOW, Severity: HIGH)
k8sTokenFile = "/var/run/secrets/kubernetes.io/serviceaccount/token"
volumeName = "certs"
volumeMountPath = "/certs"
caPath = volumeMountPath + "/ca"
keyPath = volumeMountPath + "/key"
certPath = volumeMountPath + "/cert"
elasticsearchUrl = "https://elasticsearch:9200"
)
func ShouldDeployElasticsearch(s v1alpha1.JaegerStorageSpec) bool {
if strings.ToLower(s.Type) != "elasticsearch" {
return false
}
_, ok := s.Options.Map()["es.server-urls"]
if ok {
return false
}
return true
}
type ElasticsearchDeployment struct {
Jaeger *v1alpha1.Jaeger
}
func (*ElasticsearchDeployment) InjectStorageConfiguration(p *v1.PodSpec) {
p.Volumes = append(p.Volumes, v1.Volume{
Name: volumeName,
VolumeSource: v1.VolumeSource{
Secret: &v1.SecretVolumeSource{
SecretName: "jaeger-elasticsearch",
},
},
})
// we assume jaeger containers are first
if len(p.Containers) > 0 {
// TODO archive storage if it is enabled?
p.Containers[0].Args = append(p.Containers[0].Args,
"--es.server-urls="+elasticsearchUrl,
"--es.token-file="+k8sTokenFile,
"--es.tls.ca="+caPath)
p.Containers[0].VolumeMounts = append(p.Containers[0].VolumeMounts, v1.VolumeMount{
Name: volumeName,
ReadOnly: true,
MountPath: volumeMountPath,
})
}
}
func (*ElasticsearchDeployment) InjectIndexCleanerConfiguration(p *v1.PodSpec) {
p.Volumes = append(p.Volumes, v1.Volume{
Name: volumeName,
VolumeSource: v1.VolumeSource{
Secret: &v1.SecretVolumeSource{
SecretName: "curator",
},
},
})
// we assume jaeger containers are first
if len(p.Containers) > 0 {
// the size of arguments arr should be always 2
p.Containers[0].Args[1] = elasticsearchUrl
p.Containers[0].Env = append(p.Containers[0].Env,
v1.EnvVar{Name: "ES_TLS", Value: "true"},
v1.EnvVar{Name: "ES_TLS_CA", Value: caPath},
v1.EnvVar{Name: "ES_TLS_KEY", Value: keyPath},
v1.EnvVar{Name: "ES_TLS_CERT", Value: certPath},
)
p.Containers[0].VolumeMounts = append(p.Containers[0].VolumeMounts, v1.VolumeMount{
Name: volumeName,
ReadOnly: true,
MountPath: volumeMountPath,
})
}
}
func (ed *ElasticsearchDeployment) CreateElasticsearchObjects(serviceAccounts ...string) ([]runtime.Object, error) {
err := createESCerts(certScript)
if err != nil {
logrus.Error("Failed to create Elasticsearch certificates: ", err)
return nil, errors.Wrap(err, "failed to create Elasticsearch certificates")
}
os := []runtime.Object{}
esSecret := createESSecrets(ed.Jaeger)
for _, s := range esSecret {
os = append(os, s)
}
os = append(os, getESRoles(ed.Jaeger, serviceAccounts...)...)
os = append(os, ed.createCr())
return os, nil
}
func (ed *ElasticsearchDeployment) createCr() *esv1alpha1.Elasticsearch {
return &esv1alpha1.Elasticsearch{
ObjectMeta: metav1.ObjectMeta{
Namespace: ed.Jaeger.Namespace,
Name: "elasticsearch",
OwnerReferences: []metav1.OwnerReference{asOwner(ed.Jaeger)},
},
Spec: esv1alpha1.ElasticsearchSpec{
ManagementState: esv1alpha1.ManagementStateManaged,
RedundancyPolicy: ed.Jaeger.Spec.Storage.Elasticsearch.RedundancyPolicy,
Spec: esv1alpha1.ElasticsearchNodeSpec{
Resources: ed.Jaeger.Spec.Storage.Elasticsearch.Resources,
},
Nodes: []esv1alpha1.ElasticsearchNode{
{
NodeCount: ed.Jaeger.Spec.Storage.Elasticsearch.NodeCount,
Storage: ed.Jaeger.Spec.Storage.Elasticsearch.Storage,
NodeSelector: ed.Jaeger.Spec.Storage.Elasticsearch.NodeSelector,
Roles: []esv1alpha1.ElasticsearchNodeRole{esv1alpha1.ElasticsearchRoleClient, esv1alpha1.ElasticsearchRoleData, esv1alpha1.ElasticsearchRoleMaster},
},
},
},
}
}