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4dfed6b146
Adds a new k8s-proxy command to convert operator's in-process proxy to
a separately deployable type of ProxyGroup: kube-apiserver. k8s-proxy
reads in a new config file written by the operator, modelled on tailscaled's
conffile but with some modifications to ensure multiple versions of the
config can co-exist within a file. This should make it much easier to
support reading that config file from a Kube Secret with a stable file name.
To avoid needing to give the operator ClusterRole{,Binding} permissions,
the helm chart now optionally deploys a new static ServiceAccount for
the API Server proxy to use if in auth mode.
Proxies deployed by kube-apiserver ProxyGroups currently work the same as
the operator's in-process proxy. They do not yet leverage Tailscale Services
for presenting a single HA DNS name.
Updates #13358
Change-Id: Ib6ead69b2173c5e1929f3c13fb48a9a5362195d8
Signed-off-by: Tom Proctor <tomhjp@users.noreply.github.com>
58 lines
3.2 KiB
Go
58 lines
3.2 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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AppInProcessAPIServerProxy = "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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AppProxyGroupKubeAPIServer = "k8s-operator-proxygroup-kube-apiserver"
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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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MetricServicePGResourceCount = "k8s_service_pg_resources" // L3 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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MetricProxyGroupAPIServerCount = "k8s_proxygroup_kube_apiserver_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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