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Published: Oct 31, 2023 License: Apache-2.0 Imports: 7 Imported by: 13

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Constants

View Source
const (
	// EndpointGCIntervalDefault is the default time for the CEP GC
	EndpointGCIntervalDefault = 5 * time.Minute

	// CESMaxCEPsInCESDefault is the maximum number of cilium endpoints allowed in a CES
	CESMaxCEPsInCESDefault = 100

	// CESSlicingModeDefault is default method for grouping CEP in a CES.
	CESSlicingModeDefault = "cesSliceModeIdentity"

	// CESWriteQPSLimitDefault is the default rate limit for the CES work queue.
	CESWriteQPSLimitDefault = 10

	// CESWriteQPSLimitMax is the maximum rate limit for the CES work queue.
	// CES work queue QPS limit cannot exceed this value, regardless of other config.
	CESWriteQPSLimitMax = 50

	// CESWriteQPSBurstDefault is the default burst rate for the CES work queue.
	CESWriteQPSBurstDefault = 20

	// CESWriteQPSBurstMax is the maximum burst rate for the CES work queue.
	// CES work queue QPS burst cannot exceed this value, regardless of other config.
	CESWriteQPSBurstMax = 100

	// CNPStatusCleanupQPSDefault is the default rate for the CNP NodeStatus updates GC.
	CNPStatusCleanupQPSDefault = 10

	// CNPStatusCleanupBurstDefault is the default maximum burst for the CNP NodeStatus updates GC.
	CNPStatusCleanupBurstDefault = 20

	// PprofAddressOperator is the default value for pprof in the operator
	PprofAddressOperator = "localhost"

	// PprofPortOperator is the default value for pprof in the operator
	PprofPortOperator = 6061

	// DefaultProxyIdleTimeoutSeconds is the default value for the proxy idle timeout
	DefaultProxyIdleTimeoutSeconds = 60
)
View Source
const (
	// BGPAnnounceLBIP announces service IPs of type LoadBalancer via BGP beta (deprecated)
	BGPAnnounceLBIP = "bgp-announce-lb-ip"

	// BGPConfigPath is the file path to the BGP configuration. It is
	// compatible with MetalLB's configuration.
	BGPConfigPath = "bgp-config-path"

	// CNPNodeStatusGCInterval is the GC interval for nodes which have been
	// removed from the cluster in CiliumNetworkPolicy and
	// CiliumClusterwideNetworkPolicy Status.
	CNPNodeStatusGCInterval = "cnp-node-status-gc-interval"

	// CNPStatusUpdateInterval is the interval between status updates
	// being sent to the K8s apiserver for a given CNP.
	CNPStatusUpdateInterval = "cnp-status-update-interval"

	// SkipCNPStatusStartupClean specifies if the cleanup of all the CNP
	// NodeStatus updates at startup must be skipped.
	SkipCNPStatusStartupClean = "skip-cnp-status-startup-clean"

	// CNPStatusCleanupQPS is the rate at which the cleanup operation of the status
	// nodes updates in CNPs is carried out. It is expressed as queries per second,
	// and for each query a single CNP status update will be deleted.
	CNPStatusCleanupQPS = "cnp-status-cleanup-qps"

	// CNPStatusCleanupBurst is the maximum burst of queries allowed for the cleanup
	// operation of the status nodes updates in CNPs.
	CNPStatusCleanupBurst = "cnp-status-cleanup-burst"

	// EnableMetrics enables prometheus metrics.
	EnableMetrics = "enable-metrics"

	// EndpointGCInterval is the interval between attempts of the CEP GC
	// controller.
	// Note that only one node per cluster should run this, and most iterations
	// will simply return.
	EndpointGCInterval = "cilium-endpoint-gc-interval"

	// NodesGCInterval is the duration for which the cilium nodes are GC.
	NodesGCInterval = "nodes-gc-interval"

	// SyncK8sServices synchronizes k8s services into the kvstore
	SyncK8sServices = "synchronize-k8s-services"

	// SyncK8sNodes synchronizes k8s nodes into the kvstore
	SyncK8sNodes = "synchronize-k8s-nodes"

	// UnmanagedPodWatcherInterval is the interval to check for unmanaged kube-dns pods (0 to disable)
	UnmanagedPodWatcherInterval = "unmanaged-pod-watcher-interval"

	// IPAMAPIBurst is the burst value allowed when accessing external IPAM APIs
	IPAMAPIBurst = "limit-ipam-api-burst"

	// IPAMAPIQPSLimit is the queries per second limit when accessing external IPAM APIs
	IPAMAPIQPSLimit = "limit-ipam-api-qps"

	// IPAMSubnetsIDs are optional subnets IDs used to filter subnets and interfaces listing
	IPAMSubnetsIDs = "subnet-ids-filter"

	// IPAMSubnetsTags are optional tags used to filter subnets, and interfaces within those subnets
	IPAMSubnetsTags = "subnet-tags-filter"

	// IPAMInstanceTagFilter are optional tags used to filter instances for ENI discovery ; only used with AWS IPAM mode for now
	IPAMInstanceTags = "instance-tags-filter"

	// IPAMAutoCreateCiliumPodIPPools contains pre-defined IP pools to be auto-created on startup.
	IPAMAutoCreateCiliumPodIPPools = "auto-create-cilium-pod-ip-pools"

	// ClusterPoolIPv4CIDR is the cluster's IPv4 CIDR to allocate
	// individual PodCIDR ranges from when using the ClusterPool ipam mode.
	ClusterPoolIPv4CIDR = "cluster-pool-ipv4-cidr"

	// ClusterPoolIPv6CIDR is the cluster's IPv6 CIDR to allocate
	// individual PodCIDR ranges from when using the ClusterPool ipam mode.
	ClusterPoolIPv6CIDR = "cluster-pool-ipv6-cidr"

	// NodeCIDRMaskSizeIPv4 is the IPv4 podCIDR mask size that will be used
	// per node.
	NodeCIDRMaskSizeIPv4 = "cluster-pool-ipv4-mask-size"

	// NodeCIDRMaskSizeIPv6 is the IPv6 podCIDR mask size that will be used
	// per node.
	NodeCIDRMaskSizeIPv6 = "cluster-pool-ipv6-mask-size"

	// AWSInstanceLimitMapping allows overwirting AWS instance limits defined in
	// pkg/aws/eni/limits.go
	// e.g. {"a1.medium": "2,4,4", "a2.custom2": "4,5,6"}
	AWSInstanceLimitMapping = "aws-instance-limit-mapping"

	// AWSReleaseExcessIPs allows releasing excess free IP addresses from ENI.
	// Enabling this option reduces waste of IP addresses but may increase
	// the number of API calls to AWS EC2 service.
	AWSReleaseExcessIPs = "aws-release-excess-ips"

	// ExcessIPReleaseDelay controls how long operator would wait before an IP previously marked as excess is released.
	// Defaults to 180 secs
	ExcessIPReleaseDelay = "excess-ip-release-delay"

	// AWSEnablePrefixDelegation allows operator to allocate prefixes to ENIs on nitro instances instead of individual
	// IP addresses. Allows for increased pod density on nodes.
	AWSEnablePrefixDelegation = "aws-enable-prefix-delegation"

	// ENITags are the tags that will be added to every ENI created by the
	// AWS ENI IPAM.
	ENITags = "eni-tags"

	// ENIGarbageCollectionTags is a tag that will be added to every ENI
	// created by the AWS ENI IPAM.
	// Any stale and unattached ENIs with this tag will be garbage
	// collected by the operator.
	ENIGarbageCollectionTags = "eni-gc-tags"

	// ENIGarbageCollectionInterval defines the interval of ENI GC
	ENIGarbageCollectionInterval = "eni-gc-interval"

	// ParallelAllocWorkers specifies the number of parallel workers to be used for IPAM allocation
	ParallelAllocWorkers = "parallel-alloc-workers"

	// UpdateEC2AdapterLimitViaAPI configures the operator to use the EC2
	// API to fill out the instancetype to adapter limit mapping.
	UpdateEC2AdapterLimitViaAPI = "update-ec2-adapter-limit-via-api"

	// EC2APIEndpoint is the custom API endpoint to use for the EC2 AWS service,
	// e.g. "ec2-fips.us-west-1.amazonaws.com" to use a FIPS endpoint in the us-west-1 region.
	EC2APIEndpoint = "ec2-api-endpoint"

	// AWSUsePrimaryAddress specifies whether an interface's primary address should be available for allocations on
	// node
	AWSUsePrimaryAddress = "aws-use-primary-address"

	// AzureSubscriptionID is the subscription ID to use when accessing the Azure API
	AzureSubscriptionID = "azure-subscription-id"

	// AzureResourceGroup is the resource group of the nodes used for the cluster
	AzureResourceGroup = "azure-resource-group"

	// AzureUserAssignedIdentityID is the id of the user assigned identity used
	// for retrieving Azure API credentials
	AzureUserAssignedIdentityID = "azure-user-assigned-identity-id"

	// AzureUsePrimaryAddress specifies whether we should use or ignore the interface's
	// primary IPConfiguration
	AzureUsePrimaryAddress = "azure-use-primary-address"

	// LeaderElectionLeaseDuration is the duration that non-leader candidates will wait to
	// force acquire leadership
	LeaderElectionLeaseDuration = "leader-election-lease-duration"

	// LeaderElectionRenewDeadline is the duration that the current acting master in HA deployment
	// will retry refreshing leadership before giving up the lock.
	LeaderElectionRenewDeadline = "leader-election-renew-deadline"

	// LeaderElectionRetryPeriod is the duration the LeaderElector clients should wait between
	// tries of the actions in operator HA deployment.
	LeaderElectionRetryPeriod = "leader-election-retry-period"

	// AlibabaCloudVPCID allows user to specific vpc
	AlibabaCloudVPCID = "alibaba-cloud-vpc-id"

	// AlibabaCloudReleaseExcessIPs allows releasing excess free IP addresses from ENI.
	// Enabling this option reduces waste of IP addresses but may increase
	// the number of API calls to AlibabaCloud ECS service.
	AlibabaCloudReleaseExcessIPs = "alibaba-cloud-release-excess-ips"

	// LoadBalancerL7 enables loadbalancer capabilities for services via envoy proxy
	LoadBalancerL7 = "loadbalancer-l7"

	// ProxyIdleTimeoutSeconds is the idle timeout for proxy connections to upstream clusters
	ProxyIdleTimeoutSeconds = "proxy-idle-timeout-seconds"

	// EnableGatewayAPI enables support of Gateway API
	// This must be enabled along with enable-envoy-config in cilium agent.
	EnableGatewayAPI = "enable-gateway-api"

	// CiliumK8sNamespace is the namespace where Cilium pods are running.
	CiliumK8sNamespace = "cilium-pod-namespace"

	// CiliumPodLabels specifies the pod labels that Cilium pods is running
	// with.
	CiliumPodLabels = "cilium-pod-labels"

	// RemoveCiliumNodeTaints is the flag to define if the Cilium node taint
	// should be removed in Kubernetes nodes.
	RemoveCiliumNodeTaints = "remove-cilium-node-taints"

	// SetCiliumNodeTaints is whether or not to taint nodes that do not have
	// a running Cilium instance.
	SetCiliumNodeTaints = "set-cilium-node-taints"

	// SetCiliumIsUpCondition sets the CiliumIsUp node condition in Kubernetes
	// nodes.
	SetCiliumIsUpCondition = "set-cilium-is-up-condition"

	// IngressDefaultXffNumTrustedHops is the default XffNumTrustedHops value for Ingress.
	IngressDefaultXffNumTrustedHops = "ingress-default-xff-num-trusted-hops"

	// PodRestartSelector specify the labels contained in the pod that needs to be restarted before the node can be de-stained
	// default values: k8s-app=kube-dns
	PodRestartSelector = "pod-restart-selector"
)

Variables

Config represents the operator configuration.

View Source
var IngressLBAnnotationsDefault = []string{"service.beta.kubernetes.io", "service.kubernetes.io", "cloud.google.com"}

Functions

This section is empty.

Types

type OperatorConfig

type OperatorConfig struct {
	// CNPNodeStatusGCInterval is the GC interval for nodes which have been
	// removed from the cluster in CiliumNetworkPolicy and
	// CiliumClusterwideNetworkPolicy Status.
	CNPNodeStatusGCInterval time.Duration

	// CNPStatusUpdateInterval is the interval between status updates
	// being sent to the K8s apiserver for a given CNP.
	CNPStatusUpdateInterval time.Duration

	// NodesGCInterval is the GC interval for CiliumNodes
	NodesGCInterval time.Duration

	// SkipCNPStatusStartupClean disables the cleanup of all the CNP
	// NodeStatus updates at startup.
	SkipCNPStatusStartupClean bool

	// CNPStatusCleanupQPS is the rate at which the cleanup operation of the status
	// nodes updates in CNPs is carried out. It is expressed as queries per second,
	// and for each query a single CNP status update will be deleted.
	CNPStatusCleanupQPS float64

	// CNPStatusCleanupBurst is the maximum burst of queries allowed for the cleanup
	// operation of the status nodes updates in CNPs.
	CNPStatusCleanupBurst int

	// EnableMetrics enables prometheus metrics.
	EnableMetrics bool

	// EndpointGCInterval is the interval between attempts of the CEP GC
	// controller.
	// Note that only one node per cluster should run this, and most iterations
	// will simply return.
	EndpointGCInterval time.Duration

	// SyncK8sServices synchronizes k8s services into the kvstore
	SyncK8sServices bool

	// SyncK8sNodes synchronizes k8s nodes into the kvstore
	SyncK8sNodes bool

	// UnmanagedPodWatcherInterval is the interval to check for unmanaged kube-dns pods (0 to disable)
	UnmanagedPodWatcherInterval int

	// LeaderElectionLeaseDuration is the duration that non-leader candidates will wait to
	// force acquire leadership in Cilium Operator HA deployment.
	LeaderElectionLeaseDuration time.Duration

	// LeaderElectionRenewDeadline is the duration that the current acting master in HA deployment
	// will retry refreshing leadership in before giving up the lock.
	LeaderElectionRenewDeadline time.Duration

	// LeaderElectionRetryPeriod is the duration that LeaderElector clients should wait between
	// retries of the actions in operator HA deployment.
	LeaderElectionRetryPeriod time.Duration

	// BGPAnnounceLBIP announces service IPs of type LoadBalancer via BGP beta (deprecated)
	BGPAnnounceLBIP bool

	// BGPConfigPath is the file path to the BGP configuration. It is
	// compatible with MetalLB's configuration.
	BGPConfigPath string

	// IPAMAPIBurst is the burst value allowed when accessing external IPAM APIs
	IPAMAPIBurst int

	// IPAMAPIQPSLimit is the queries per second limit when accessing external IPAM APIs
	IPAMAPIQPSLimit float64

	// IPAMSubnetsIDs are optional subnets IDs used to filter subnets and interfaces listing
	IPAMSubnetsIDs []string

	// IPAMSubnetsTags are optional tags used to filter subnets, and interfaces within those subnets
	IPAMSubnetsTags map[string]string

	// IPAMUInstanceTags are optional tags used to filter AWS EC2 instances, and interfaces (ENI) attached to them
	IPAMInstanceTags map[string]string

	// ClusterPoolIPv4CIDR is the cluster IPv4 podCIDR that should be used to
	// allocate pods in the node.
	ClusterPoolIPv4CIDR []string

	// ClusterPoolIPv6CIDR is the cluster IPv6 podCIDR that should be used to
	// allocate pods in the node.
	ClusterPoolIPv6CIDR []string

	// NodeCIDRMaskSizeIPv4 is the IPv4 podCIDR mask size that will be used
	// per node.
	NodeCIDRMaskSizeIPv4 int

	// NodeCIDRMaskSizeIPv6 is the IPv6 podCIDR mask size that will be used
	// per node.
	NodeCIDRMaskSizeIPv6 int

	// IPAMAutoCreateCiliumPodIPPools contains pre-defined IP pools to be auto-created on startup.
	IPAMAutoCreateCiliumPodIPPools map[string]string

	// ENITags are the tags that will be added to every ENI created by the AWS ENI IPAM
	ENITags map[string]string

	// ENIGarbageCollectionTags is a tag that will be added to every ENI
	// created by the AWS ENI IPAM.
	// Any stale and unattached ENIs with this tag will be garbage
	// collected by the operator.
	ENIGarbageCollectionTags map[string]string

	// ENIGarbageCollectionInterval defines the interval of ENI GC
	ENIGarbageCollectionInterval time.Duration

	// ParallelAllocWorkers specifies the number of parallel workers to be used for accessing cloud provider APIs .
	ParallelAllocWorkers int64

	// AWSInstanceLimitMapping allows overwriting AWS instance limits defined in
	// pkg/aws/eni/limits.go
	// e.g. {"a1.medium": "2,4,4", "a2.custom2": "4,5,6"}
	AWSInstanceLimitMapping map[string]string

	// AWSReleaseExcessIps allows releasing excess free IP addresses from ENI.
	// Enabling this option reduces waste of IP addresses but may increase
	// the number of API calls to AWS EC2 service.
	AWSReleaseExcessIPs bool

	// AWSEnablePrefixDelegation allows operator to allocate prefixes to ENIs on nitro instances instead of individual
	// IP addresses. Allows for increased pod density on nodes.
	AWSEnablePrefixDelegation bool

	// AWSUsePrimaryAddress specifies whether an interface's primary address should be available for allocations on
	// node
	AWSUsePrimaryAddress bool

	// UpdateEC2AdapterLimitViaAPI configures the operator to use the EC2 API to fill out the
	// instancetype to adapter limit mapping.
	UpdateEC2AdapterLimitViaAPI bool

	// ExcessIPReleaseDelay controls how long operator would wait before an IP previously marked as excess is released.
	// Defaults to 180 secs
	ExcessIPReleaseDelay int

	// EC2APIEndpoint is the custom API endpoint to use for the EC2 AWS service,
	// e.g. "ec2-fips.us-west-1.amazonaws.com" to use a FIPS endpoint in the us-west-1 region.
	EC2APIEndpoint string

	// AzureSubscriptionID is the subscription ID to use when accessing the Azure API
	AzureSubscriptionID string

	// AzureResourceGroup is the resource group of the nodes used for the cluster
	AzureResourceGroup string

	// AzureUserAssignedIdentityID is the id of the user assigned identity used
	// for retrieving Azure API credentials
	AzureUserAssignedIdentityID string

	// AzureUsePrimaryAddress specify wether we should use or ignore the interface's
	// primary IPConfiguration
	AzureUsePrimaryAddress bool

	// AlibabaCloudVPCID allow user to specific vpc
	AlibabaCloudVPCID string

	// AlibabaCloudReleaseExcessIPs allows releasing excess free IP addresses from ENI.
	// Enabling this option reduces waste of IP addresses but may increase
	// the number of API calls to AlibabaCloud ECS service.
	AlibabaCloudReleaseExcessIPs bool

	// LoadBalancerL7 enables loadbalancer capabilities for services.
	LoadBalancerL7 string

	// EnableGatewayAPI enables support of Gateway API
	EnableGatewayAPI bool

	// ProxyIdleTimeoutSeconds is the idle timeout for the proxy to upstream cluster
	ProxyIdleTimeoutSeconds int

	// CiliumK8sNamespace is the namespace where Cilium pods are running.
	CiliumK8sNamespace string

	// CiliumPodLabels specifies the pod labels that Cilium pods is running
	// with.
	CiliumPodLabels string

	// RemoveCiliumNodeTaints is the flag to define if the Cilium node taint
	// should be removed in Kubernetes nodes.
	RemoveCiliumNodeTaints bool

	// SetCiliumNodeTaints is whether or not to set taints on nodes that do not
	// have a running Cilium pod.
	SetCiliumNodeTaints bool

	// SetCiliumIsUpCondition sets the CiliumIsUp node condition in Kubernetes
	// nodes.
	SetCiliumIsUpCondition bool

	// IngressProxyXffNumTrustedHops The number of additional ingress proxy hops from the right side of the
	// HTTP header to trust when determining the origin client's IP address.
	// The default is zero if this option is not specified.
	IngressProxyXffNumTrustedHops uint32

	// PodRestartSelector specify the labels contained in the pod that needs to be restarted before the node can be de-stained
	PodRestartSelector string
}

OperatorConfig is the configuration used by the operator.

func (*OperatorConfig) Populate

func (c *OperatorConfig) Populate(vp *viper.Viper)

Populate sets all options with the values from viper.

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