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34734ba635
This PR adds some custom logic for reading and writing kube store values that are TLS certs and keys: 1) when store is initialized, lookup additional TLS Secrets for this node and if found, load TLS certs from there 2) if the node runs in certs 'read only' mode and TLS cert and key are not found in the in-memory store, look those up in a Secret 3) if the node runs in certs 'read only' mode, run a daily TLS certs reload to memory to get any renewed certs Updates tailscale/corp#24795 Signed-off-by: Irbe Krumina <irbe@tailscale.com>
55 lines
2.9 KiB
Go
55 lines
2.9 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package kubetypes
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const (
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// Hostinfo App values for the Tailscale Kubernetes Operator components.
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AppOperator = "k8s-operator"
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AppAPIServerProxy = "k8s-operator-proxy"
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AppIngressProxy = "k8s-operator-ingress-proxy"
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AppIngressResource = "k8s-operator-ingress-resource"
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AppEgressProxy = "k8s-operator-egress-proxy"
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AppConnector = "k8s-operator-connector-resource"
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AppProxyGroupEgress = "k8s-operator-proxygroup-egress"
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AppProxyGroupIngress = "k8s-operator-proxygroup-ingress"
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// Clientmetrics for Tailscale Kubernetes Operator components
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MetricIngressProxyCount = "k8s_ingress_proxies" // L3
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MetricIngressResourceCount = "k8s_ingress_resources" // L7
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MetricIngressPGResourceCount = "k8s_ingress_pg_resources" // L7 on ProxyGroup
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MetricEgressProxyCount = "k8s_egress_proxies"
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MetricConnectorResourceCount = "k8s_connector_resources"
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MetricConnectorWithSubnetRouterCount = "k8s_connector_subnetrouter_resources"
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MetricConnectorWithExitNodeCount = "k8s_connector_exitnode_resources"
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MetricConnectorWithAppConnectorCount = "k8s_connector_appconnector_resources"
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MetricNameserverCount = "k8s_nameserver_resources"
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MetricRecorderCount = "k8s_recorder_resources"
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MetricEgressServiceCount = "k8s_egress_service_resources"
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MetricProxyGroupEgressCount = "k8s_proxygroup_egress_resources"
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MetricProxyGroupIngressCount = "k8s_proxygroup_ingress_resources"
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// Keys that containerboot writes to state file that can be used to determine its state.
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// fields set in Tailscale state Secret. These are mostly used by the Tailscale Kubernetes operator to determine
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// the state of this tailscale device.
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KeyDeviceID string = "device_id" // node stable ID of the device
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KeyDeviceFQDN string = "device_fqdn" // device's tailnet hostname
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KeyDeviceIPs string = "device_ips" // device's tailnet IPs
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KeyPodUID string = "pod_uid" // Pod UID
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// KeyCapVer contains Tailscale capability version of this proxy instance.
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KeyCapVer string = "tailscale_capver"
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// KeyHTTPSEndpoint is a name of a field that can be set to the value of any HTTPS endpoint currently exposed by
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// this device to the tailnet. This is used by the Kubernetes operator Ingress proxy to communicate to the operator
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// that cluster workloads behind the Ingress can now be accessed via the given DNS name over HTTPS.
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KeyHTTPSEndpoint string = "https_endpoint"
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ValueNoHTTPS string = "no-https"
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// Pod's IPv4 address header key as returned by containerboot health check endpoint.
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PodIPv4Header string = "Pod-IPv4"
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EgessServicesPreshutdownEP = "/internal-egress-services-preshutdown"
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LabelManaged = "tailscale.com/managed"
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LabelSecretType = "tailscale.com/secret-type" // "config", "state" "certs"
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)
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