Resource Annotations
This page presents the various resource annotations that Istio supports to control its behavior.
ambient.istio.io/redirection
Name | ambient.istio.io/redirection |
---|---|
Feature Status | Beta |
Resource Types | [Pod] |
Description | Automatically configured by Istio to indicate a Pod was successfully enrolled in ambient mode.
This shows the actual state; to specify intent that a workload should be in ambient mode, see |
galley.istio.io/analyze-suppress
Name | galley.istio.io/analyze-suppress |
---|---|
Feature Status | Alpha |
Resource Types | [Any] |
Description | A 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
Name | inject.istio.io/templates |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | The 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. |
istio.io/dry-run
Name | istio.io/dry-run |
---|---|
Feature Status | Alpha |
Resource Types | [AuthorizationPolicy] |
Description | Specifies 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
Name | istio.io/rev |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies 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
Name | kubernetes.io/ingress.class |
---|---|
Feature Status | Stable |
Resource Types | [Ingress] |
Description | Annotation on an Ingress resources denoting the class of controllers responsible for it. |
networking.istio.io/exportTo
Name | networking.istio.io/exportTo |
---|---|
Feature Status | Alpha |
Resource Types | [Service] |
Description | Specifies 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. |
networking.istio.io/traffic-distribution
Name | networking.istio.io/traffic-distribution |
---|---|
Feature Status | Alpha |
Resource Types | [Service ServiceEntry] |
Description | Controls how traffic is distributed across the set of available endpoints. At this time, this annotation only impacts routing done by Ztunnel. Accepted values:
|
prometheus.istio.io/merge-metrics
Name | prometheus.istio.io/merge-metrics |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies if application Prometheus metric will be merged with Envoy metrics for this workload. |
proxy.istio.io/config
Name | proxy.istio.io/config |
---|---|
Feature Status | Beta |
Resource Types | [Pod] |
Description | Overrides 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
Name | readiness.status.sidecar.istio.io/applicationPorts |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies 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
Name | readiness.status.sidecar.istio.io/failureThreshold |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies the failure threshold for the Envoy sidecar readiness probe. |
readiness.status.sidecar.istio.io/initialDelaySeconds
Name | readiness.status.sidecar.istio.io/initialDelaySeconds |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies the initial delay (in seconds) for the Envoy sidecar readiness probe. |
readiness.status.sidecar.istio.io/periodSeconds
Name | readiness.status.sidecar.istio.io/periodSeconds |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies the period (in seconds) for the Envoy sidecar readiness probe. |
sidecar.istio.io/agentLogLevel
Name | sidecar.istio.io/agentLogLevel |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies the log output level for pilot-agent. |
sidecar.istio.io/bootstrapOverride
Name | sidecar.istio.io/bootstrapOverride |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies an alternative Envoy bootstrap configuration file. |
sidecar.istio.io/componentLogLevel
Name | sidecar.istio.io/componentLogLevel |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies the component log level for Envoy. |
sidecar.istio.io/discoveryAddress
Name | sidecar.istio.io/discoveryAddress |
---|---|
Feature Status | Deprecated |
Resource Types | [Pod] |
Description | Specifies the XDS discovery address to be used by the Envoy sidecar. |
sidecar.istio.io/extraStatTags
Name | sidecar.istio.io/extraStatTags |
---|---|
Feature Status | Deprecated |
Resource Types | [Pod] |
Description | An 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
Name | sidecar.istio.io/inject |
---|---|
Feature Status | Deprecated |
Resource Types | [Pod] |
Description | Specifies whether or not an Envoy sidecar should be automatically injected into the workload. This annotation has been deprecated in favor of the |
sidecar.istio.io/interceptionMode
Name | sidecar.istio.io/interceptionMode |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies the mode used to redirect inbound connections to Envoy (REDIRECT or TPROXY). |
sidecar.istio.io/logLevel
Name | sidecar.istio.io/logLevel |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies the log level for Envoy. |
sidecar.istio.io/nativeSidecar
Name | sidecar.istio.io/nativeSidecar |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies if the istio-proxy sidecar should be injected as a native sidecar or not. Takes precedence over the ENABLE_NATIVE_SIDECARS environment variable. |
sidecar.istio.io/proxyCPU
Name | sidecar.istio.io/proxyCPU |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies the requested CPU setting for the Envoy sidecar. |
sidecar.istio.io/proxyCPULimit
Name | sidecar.istio.io/proxyCPULimit |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies the CPU limit for the Envoy sidecar. |
sidecar.istio.io/proxyImage
Name | sidecar.istio.io/proxyImage |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies the Docker image to be used by the Envoy sidecar. |
sidecar.istio.io/proxyImageType
Name | sidecar.istio.io/proxyImageType |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies 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
Name | sidecar.istio.io/proxyMemory |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies the requested memory setting for the Envoy sidecar. |
sidecar.istio.io/proxyMemoryLimit
Name | sidecar.istio.io/proxyMemoryLimit |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies the memory limit for the Envoy sidecar. |
sidecar.istio.io/rewriteAppHTTPProbers
Name | sidecar.istio.io/rewriteAppHTTPProbers |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Rewrite HTTP readiness and liveness probes to be redirected to the Envoy sidecar. |
sidecar.istio.io/statsHistogramBuckets
Name | sidecar.istio.io/statsHistogramBuckets |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies the custom histogram buckets with a prefix matcher to separate the Istio mesh metrics from the Envoy stats, e.g. |
sidecar.istio.io/statsInclusionPrefixes
Name | sidecar.istio.io/statsInclusionPrefixes |
---|---|
Feature Status | Deprecated |
Resource Types | [Pod] |
Description | Specifies the comma separated list of prefixes of the stats to be emitted by Envoy. |
sidecar.istio.io/statsInclusionRegexps
Name | sidecar.istio.io/statsInclusionRegexps |
---|---|
Feature Status | Deprecated |
Resource Types | [Pod] |
Description | Specifies the comma separated list of regexes the stats should match to be emitted by Envoy. |
sidecar.istio.io/statsInclusionSuffixes
Name | sidecar.istio.io/statsInclusionSuffixes |
---|---|
Feature Status | Deprecated |
Resource Types | [Pod] |
Description | Specifies the comma separated list of suffixes of the stats to be emitted by Envoy. |
sidecar.istio.io/status
Name | sidecar.istio.io/status |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Generated 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
Name | sidecar.istio.io/userVolume |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies one or more user volumes (as a JSON array) to be added to the Envoy sidecar. |
sidecar.istio.io/userVolumeMount
Name | sidecar.istio.io/userVolumeMount |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies one or more user volume mounts (as a JSON array) to be added to the Envoy sidecar. |
status.sidecar.istio.io/port
Name | status.sidecar.istio.io/port |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | Specifies the HTTP status Port for the Envoy sidecar. If zero, the sidecar will not provide status. |
topology.istio.io/controlPlaneClusters
Name | topology.istio.io/controlPlaneClusters |
---|---|
Feature Status | Alpha |
Resource Types | [Namespace] |
Description | A 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
Name | traffic.istio.io/nodeSelector |
---|---|
Feature Status | Stable |
Resource Types | [Service] |
Description | This 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
Name | traffic.sidecar.istio.io/excludeInboundPorts |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | A 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
Name | traffic.sidecar.istio.io/excludeInterfaces |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | A comma separated list of interfaces to be excluded from Istio traffic capture |
traffic.sidecar.istio.io/excludeOutboundIPRanges
Name | traffic.sidecar.istio.io/excludeOutboundIPRanges |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | A 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
Name | traffic.sidecar.istio.io/excludeOutboundPorts |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | A comma separated list of outbound ports to be excluded from redirection to Envoy. |
traffic.sidecar.istio.io/includeInboundPorts
Name | traffic.sidecar.istio.io/includeInboundPorts |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | A 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
Name | traffic.sidecar.istio.io/includeOutboundIPRanges |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | A 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
Name | traffic.sidecar.istio.io/includeOutboundPorts |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | A 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
Name | traffic.sidecar.istio.io/kubevirtInterfaces |
---|---|
Feature Status | Alpha |
Resource Types | [Pod] |
Description | A comma separated list of virtual interfaces whose inbound traffic (from VM) will be treated as outbound. |