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query.go
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query.go
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package ingress
import (
"fmt"
networkingv1 "k8s.io/api/networking/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/spf13/viper"
v1 "github.com/jaegertracing/jaeger-operator/apis/v1"
"github.com/jaegertracing/jaeger-operator/pkg/service"
"github.com/jaegertracing/jaeger-operator/pkg/util"
)
// QueryIngress builds pods for jaegertracing/jaeger-query
type QueryIngress struct {
jaeger *v1.Jaeger
}
// NewQueryIngress builds a new QueryIngress struct based on the given spec
func NewQueryIngress(jaeger *v1.Jaeger) *QueryIngress {
return &QueryIngress{jaeger: jaeger}
}
// Get returns an ingress specification for the current instance
func (i *QueryIngress) Get() *networkingv1.Ingress {
if i.jaeger.Spec.Ingress.Enabled != nil && !*i.jaeger.Spec.Ingress.Enabled {
return nil
}
trueVar := true
baseCommonSpec := v1.JaegerCommonSpec{
Labels: util.Labels(fmt.Sprintf("%s-query", i.jaeger.Name), "query-ingress", *i.jaeger),
}
commonSpec := util.Merge([]v1.JaegerCommonSpec{i.jaeger.Spec.Ingress.JaegerCommonSpec, i.jaeger.Spec.JaegerCommonSpec, baseCommonSpec})
spec := networkingv1.IngressSpec{}
backend := networkingv1.IngressBackend{
Service: &networkingv1.IngressServiceBackend{
Name: service.GetNameForQueryService(i.jaeger),
Port: networkingv1.ServiceBackendPort{
Number: int32(service.GetPortForQueryService(i.jaeger)),
},
},
}
i.addRulesSpec(&spec, &backend)
i.addTLSSpec(&spec)
if i.jaeger.Spec.Ingress.IngressClassName != nil {
spec.IngressClassName = i.jaeger.Spec.Ingress.IngressClassName
} else {
spec.IngressClassName = getInClusterAvailableIngressClass()
}
return &networkingv1.Ingress{
TypeMeta: metav1.TypeMeta{
Kind: "Ingress",
APIVersion: "networking.k8s.io/v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: fmt.Sprintf("%s-query", i.jaeger.Name),
Namespace: i.jaeger.Namespace,
Labels: commonSpec.Labels,
OwnerReferences: []metav1.OwnerReference{
{
APIVersion: i.jaeger.APIVersion,
Kind: i.jaeger.Kind,
Name: i.jaeger.Name,
UID: i.jaeger.UID,
Controller: &trueVar,
},
},
Annotations: commonSpec.Annotations,
},
Spec: spec,
}
}
func (i *QueryIngress) addRulesSpec(spec *networkingv1.IngressSpec, backend *networkingv1.IngressBackend) {
path := ""
jaegerSpec := i.jaeger.Spec
strategy := jaegerSpec.Strategy
if allInOneQueryBasePath, ok := jaegerSpec.AllInOne.Options.StringMap()["query.base-path"]; ok && strategy == v1.DeploymentStrategyAllInOne {
path = allInOneQueryBasePath
} else if queryBasePath, ok := jaegerSpec.Query.Options.StringMap()["query.base-path"]; ok && strategy == v1.DeploymentStrategyProduction || strategy == v1.DeploymentStrategyStreaming {
path = queryBasePath
}
pathType := networkingv1.PathTypeImplementationSpecific
if pt := i.jaeger.Spec.Ingress.PathType; pt != "" {
pathType = networkingv1.PathType(pt)
}
if len(i.jaeger.Spec.Ingress.Hosts) > 0 || path != "" {
spec.Rules = append(spec.Rules, getRules(path, &pathType, i.jaeger.Spec.Ingress.Hosts, backend)...)
} else {
// no hosts and no custom path -> fall back to a single service Ingress
spec.DefaultBackend = backend
}
}
func (i *QueryIngress) addTLSSpec(spec *networkingv1.IngressSpec) {
if len(i.jaeger.Spec.Ingress.TLS) > 0 {
for _, tls := range i.jaeger.Spec.Ingress.TLS {
spec.TLS = append(spec.TLS, networkingv1.IngressTLS{
Hosts: tls.Hosts,
SecretName: tls.SecretName,
})
}
if i.jaeger.Spec.Ingress.SecretName != "" {
i.jaeger.Logger().V(1).Info(
"Both 'ingress.secretName' and 'ingress.tls' are set. 'ingress.secretName' is deprecated and is therefore ignored.",
)
}
} else if i.jaeger.Spec.Ingress.SecretName != "" {
spec.TLS = append(spec.TLS, networkingv1.IngressTLS{
SecretName: i.jaeger.Spec.Ingress.SecretName,
})
i.jaeger.Logger().V(1).Info(
"'ingress.secretName' property is deprecated and will be removed in the future. Please use 'ingress.tls' instead.",
)
}
}
func getRules(path string, pathType *networkingv1.PathType, hosts []string, backend *networkingv1.IngressBackend) []networkingv1.IngressRule {
if len(hosts) > 0 {
rules := make([]networkingv1.IngressRule, len(hosts))
for i, host := range hosts {
rule := getRule(host, path, pathType, backend)
rules[i] = rule
}
return rules
}
return []networkingv1.IngressRule{getRule("", path, pathType, backend)}
}
func getRule(host string, path string, pathType *networkingv1.PathType, backend *networkingv1.IngressBackend) networkingv1.IngressRule {
rule := networkingv1.IngressRule{}
rule.Host = host
rule.HTTP = &networkingv1.HTTPIngressRuleValue{
Paths: []networkingv1.HTTPIngressPath{
{
PathType: pathType,
Path: path,
Backend: *backend,
},
},
}
return rule
}
func getInClusterAvailableIngressClass() *string {
ingressClassName := viper.GetString(v1.FlagDefaultIngressClass)
if ingressClassName == "" {
return nil
}
return &ingressClassName
}