Resource Annotations

This page presents the various resource annotations that Istio supports to control its behavior.

galley.istio.io/analyze-suppress

Namegalley.istio.io/analyze-suppress
Feature StatusAlpha
Resource Types[Any]
DescriptionA comma separated list of configuration analysis message codes to suppress when Istio analyzers are run. For example, to suppress reporting of IST0103 (PodMissingProxy) and IST0108 (UnknownAnnotation) on a resource, apply the annotation 'galley.istio.io/analyze-suppress=IST0108,IST0103'. If the value is '*', then all configuration analysis messages are suppressed.

inject.istio.io/templates

Nameinject.istio.io/templates
Feature StatusAlpha
Resource Types[Pod]
DescriptionThe name of the inject template(s) to use, as a comma separate list. See https://istio.io/latest/docs/setup/additional-setup/sidecar-injection/#custom-templates-experimental for more information.

install.operator.istio.io/chart-owner

Nameinstall.operator.istio.io/chart-owner
Feature StatusAlpha
Resource Types[Any]
DescriptionRepresents the name of the chart used to create this resource.

install.operator.istio.io/owner-generation

Nameinstall.operator.istio.io/owner-generation
Feature StatusAlpha
Resource Types[Any]
DescriptionRepresents the generation to which the resource was last reconciled.

install.operator.istio.io/version

Nameinstall.operator.istio.io/version
Feature StatusAlpha
Resource Types[Any]
DescriptionRepresents the Istio version associated with the resource

istio.io/dry-run

Nameistio.io/dry-run
Feature StatusAlpha
Resource Types[AuthorizationPolicy]
DescriptionSpecifies whether or not the given resource is in dry-run mode. See https://istio.io/latest/docs/tasks/security/authorization/authz-dry-run/ for more information.

istio.io/rev

Nameistio.io/rev
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies a control plane revision to which a given proxy is connected. This annotation is added automatically, not set by a user. In contrary to the label istio.io/rev, it represents the actual revision, not the requested revision.

kubernetes.io/ingress.class

Namekubernetes.io/ingress.class
Feature StatusStable
Resource Types[Ingress]
DescriptionAnnotation on an Ingress resources denoting the class of controllers responsible for it.

networking.istio.io/exportTo

Namenetworking.istio.io/exportTo
Feature StatusAlpha
Resource Types[Service]
DescriptionSpecifies the namespaces to which this service should be exported to. A value of '*' indicates it is reachable within the mesh '.' indicates it is reachable within its namespace.

prometheus.istio.io/merge-metrics

Nameprometheus.istio.io/merge-metrics
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies if application Prometheus metric will be merged with Envoy metrics for this workload.

proxy.istio.io/config

Nameproxy.istio.io/config
Feature StatusBeta
Resource Types[Pod]
DescriptionOverrides for the proxy configuration for this specific proxy. Available options can be found at https://istio.io/docs/reference/config/istio.mesh.v1alpha1/#ProxyConfig.

readiness.status.sidecar.istio.io/applicationPorts

Namereadiness.status.sidecar.istio.io/applicationPorts
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the list of ports exposed by the application container. Used by the Envoy sidecar readiness probe to determine that Envoy is configured and ready to receive traffic.

readiness.status.sidecar.istio.io/failureThreshold

Namereadiness.status.sidecar.istio.io/failureThreshold
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the failure threshold for the Envoy sidecar readiness probe.

readiness.status.sidecar.istio.io/initialDelaySeconds

Namereadiness.status.sidecar.istio.io/initialDelaySeconds
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the initial delay (in seconds) for the Envoy sidecar readiness probe.

readiness.status.sidecar.istio.io/periodSeconds

Namereadiness.status.sidecar.istio.io/periodSeconds
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the period (in seconds) for the Envoy sidecar readiness probe.

sidecar.istio.io/agentLogLevel

Namesidecar.istio.io/agentLogLevel
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the log output level for pilot-agent.

sidecar.istio.io/bootstrapOverride

Namesidecar.istio.io/bootstrapOverride
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies an alternative Envoy bootstrap configuration file.

sidecar.istio.io/componentLogLevel

Namesidecar.istio.io/componentLogLevel
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the component log level for Envoy.

sidecar.istio.io/controlPlaneAuthPolicy

Namesidecar.istio.io/controlPlaneAuthPolicy
Feature StatusDeprecated
Resource Types[Pod]
DescriptionSpecifies the auth policy used by the Istio control plane. If NONE, traffic will not be encrypted. If MUTUAL_TLS, traffic between Envoy sidecar will be wrapped into mutual TLS connections.

sidecar.istio.io/discoveryAddress

Namesidecar.istio.io/discoveryAddress
Feature StatusDeprecated
Resource Types[Pod]
DescriptionSpecifies the XDS discovery address to be used by the Envoy sidecar.

sidecar.istio.io/enableCoreDump

Namesidecar.istio.io/enableCoreDump
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies whether or not an Envoy sidecar should enable core dump.

sidecar.istio.io/extraStatTags

Namesidecar.istio.io/extraStatTags
Feature StatusDeprecated
Resource Types[Pod]
DescriptionAn additional list of tags to extract from the in-proxy Istio Wasm telemetry. Each additional tag needs to be present in this list.

sidecar.istio.io/inject

Namesidecar.istio.io/inject
Feature StatusDeprecated
Resource Types[Pod]
DescriptionSpecifies whether or not an Envoy sidecar should be automatically injected into the workload. Deprecated in favor of `sidecar.istio.io/inject` label.

sidecar.istio.io/interceptionMode

Namesidecar.istio.io/interceptionMode
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the mode used to redirect inbound connections to Envoy (REDIRECT or TPROXY).

sidecar.istio.io/logLevel

Namesidecar.istio.io/logLevel
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the log level for Envoy.

sidecar.istio.io/proxyCPU

Namesidecar.istio.io/proxyCPU
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the requested CPU setting for the Envoy sidecar.

sidecar.istio.io/proxyCPULimit

Namesidecar.istio.io/proxyCPULimit
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the CPU limit for the Envoy sidecar.

sidecar.istio.io/proxyImage

Namesidecar.istio.io/proxyImage
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the Docker image to be used by the Envoy sidecar.

sidecar.istio.io/proxyImageType

Namesidecar.istio.io/proxyImageType
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the Docker image type to be used by the Envoy sidecar. Istio publishes debug and distroless image types for every release tag.

sidecar.istio.io/proxyMemory

Namesidecar.istio.io/proxyMemory
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the requested memory setting for the Envoy sidecar.

sidecar.istio.io/proxyMemoryLimit

Namesidecar.istio.io/proxyMemoryLimit
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the memory limit for the Envoy sidecar.

sidecar.istio.io/rewriteAppHTTPProbers

Namesidecar.istio.io/rewriteAppHTTPProbers
Feature StatusAlpha
Resource Types[Pod]
DescriptionRewrite HTTP readiness and liveness probes to be redirected to the Envoy sidecar.

sidecar.istio.io/statsHistogramBuckets

Namesidecar.istio.io/statsHistogramBuckets
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the custom histogram buckets with a prefix matcher to separate the Istio mesh metrics from the Envoy stats, e.g. `{"istiocustom":[1,5,10,50,100,500,1000,5000,10000],"cluster.xds-grpc":[1,5,10,25,50,100,250,500,1000,2500,5000,10000]}`. Default buckets are `[0.5,1,5,10,25,50,100,250,500,1000,2500,5000,10000,30000,60000,300000,600000,1800000,3600000]`.

sidecar.istio.io/statsInclusionPrefixes

Namesidecar.istio.io/statsInclusionPrefixes
Feature StatusDeprecated
Resource Types[Pod]
DescriptionSpecifies the comma separated list of prefixes of the stats to be emitted by Envoy.

sidecar.istio.io/statsInclusionRegexps

Namesidecar.istio.io/statsInclusionRegexps
Feature StatusDeprecated
Resource Types[Pod]
DescriptionSpecifies the comma separated list of regexes the stats should match to be emitted by Envoy.

sidecar.istio.io/statsInclusionSuffixes

Namesidecar.istio.io/statsInclusionSuffixes
Feature StatusDeprecated
Resource Types[Pod]
DescriptionSpecifies the comma separated list of suffixes of the stats to be emitted by Envoy.

sidecar.istio.io/status

Namesidecar.istio.io/status
Feature StatusAlpha
Resource Types[Pod]
DescriptionGenerated by Envoy sidecar injection that indicates the status of the operation. Includes a version hash of the executed template, as well as names of injected resources.

sidecar.istio.io/userVolume

Namesidecar.istio.io/userVolume
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies one or more user volumes (as a JSON array) to be added to the Envoy sidecar.

sidecar.istio.io/userVolumeMount

Namesidecar.istio.io/userVolumeMount
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies one or more user volume mounts (as a JSON array) to be added to the Envoy sidecar.

status.sidecar.istio.io/port

Namestatus.sidecar.istio.io/port
Feature StatusAlpha
Resource Types[Pod]
DescriptionSpecifies the HTTP status Port for the Envoy sidecar. If zero, the sidecar will not provide status.

topology.istio.io/controlPlaneClusters

Nametopology.istio.io/controlPlaneClusters
Feature StatusAlpha
Resource Types[Namespace]
DescriptionA comma-separated list of clusters (or * for any) running istiod that should attempt leader election for a remote cluster thats system namespace includes this annotation. Istiod will not attempt to lead unannotated remote clusters.

traffic.istio.io/nodeSelector

Nametraffic.istio.io/nodeSelector
Feature StatusStable
Resource Types[Service]
DescriptionThis annotation is a set of node-labels (key1=value,key2=value). If the annotated Service is of type NodePort and is a multi-network gateway (see topology.istio.io/network), the addresses for selected nodes will be used for cross-network communication.

traffic.sidecar.istio.io/excludeInboundPorts

Nametraffic.sidecar.istio.io/excludeInboundPorts
Feature StatusAlpha
Resource Types[Pod]
DescriptionA comma separated list of inbound ports to be excluded from redirection to Envoy. Only applies when all inbound traffic (i.e. '*') is being redirected.

traffic.sidecar.istio.io/excludeInterfaces

Nametraffic.sidecar.istio.io/excludeInterfaces
Feature StatusAlpha
Resource Types[Pod]
DescriptionA comma separated list of interfaces to be excluded from Istio traffic capture

traffic.sidecar.istio.io/excludeOutboundIPRanges

Nametraffic.sidecar.istio.io/excludeOutboundIPRanges
Feature StatusAlpha
Resource Types[Pod]
DescriptionA comma separated list of IP ranges in CIDR form to be excluded from redirection. Only applies when all outbound traffic (i.e. '*') is being redirected.

traffic.sidecar.istio.io/excludeOutboundPorts

Nametraffic.sidecar.istio.io/excludeOutboundPorts
Feature StatusAlpha
Resource Types[Pod]
DescriptionA comma separated list of outbound ports to be excluded from redirection to Envoy.

traffic.sidecar.istio.io/includeInboundPorts

Nametraffic.sidecar.istio.io/includeInboundPorts
Feature StatusAlpha
Resource Types[Pod]
DescriptionA comma separated list of inbound ports for which traffic is to be redirected to Envoy. The wildcard character '*' can be used to configure redirection for all ports. An empty list will disable all inbound redirection.

traffic.sidecar.istio.io/includeOutboundIPRanges

Nametraffic.sidecar.istio.io/includeOutboundIPRanges
Feature StatusAlpha
Resource Types[Pod]
DescriptionA comma separated list of IP ranges in CIDR form to redirect to Envoy (optional). The wildcard character '*' can be used to redirect all outbound traffic. An empty list will disable all outbound redirection.

traffic.sidecar.istio.io/includeOutboundPorts

Nametraffic.sidecar.istio.io/includeOutboundPorts
Feature StatusAlpha
Resource Types[Pod]
DescriptionA comma separated list of outbound ports for which traffic is to be redirected to Envoy, regardless of the destination IP.

traffic.sidecar.istio.io/kubevirtInterfaces

Nametraffic.sidecar.istio.io/kubevirtInterfaces
Feature StatusAlpha
Resource Types[Pod]
DescriptionA comma separated list of virtual interfaces whose inbound traffic (from VM) will be treated as outbound.
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