tailscale

Commit Graph

Author	SHA1	Message	Date
Brad Fitzpatrick	c6af5bbfe8	all: add test for package comments, fix, add comments as needed Updates #cleanup Change-Id: Ic4304e909d2131a95a38b26911f49e7b1729aaef Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	4 months ago
Irbe Krumina	986d60a094	cmd/k8s-operator: add metrics for attempted/uploaded session recordings (#12765 ) Updates tailscale/corp#19821 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	4 months ago
Irbe Krumina	6a982faa7d	cmd/k8s-operator: send container name to session recorder (#12763 ) Updates tailscale/corp#19821 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	4 months ago
Nick Khyl	726d5d507d	cmd/k8s-operator: update depaware.txt This fixes an issue caused by the merge order of `2b638f550d` and `8bd442ba8c`. Updates #Cleanup Signed-off-by: Nick Khyl <nickk@tailscale.com>	4 months ago
Nick Khyl	e21d8768f9	types/opt: add generic Value[T any] for optional values of any types Updates #12736 Signed-off-by: Nick Khyl <nickk@tailscale.com>	4 months ago
Irbe Krumina	ba517ab388	cmd/k8s-operator,ssh/tailssh,tsnet: optionally record 'kubectl exec' sessions via Kubernetes operator's API server proxy (#12274 ) cmd/k8s-operator,ssh/tailssh,tsnet: optionally record kubectl exec sessions The Kubernetes operator's API server proxy, when it receives a request for 'kubectl exec' session now reads 'RecorderAddrs', 'EnforceRecorder' fields from tailcfg.KubernetesCapRule. If 'RecorderAddrs' is set to one or more addresses (of a tsrecorder instance(s)), it attempts to connect to those and sends the session contents to the recorder before forwarding the request to the kube API server. If connection cannot be established or fails midway, it is only allowed if 'EnforceRecorder' is not true (fail open). Updates tailscale/corp#19821 Signed-off-by: Irbe Krumina <irbe@tailscale.com> Co-authored-by: Maisem Ali <maisem@tailscale.com>	4 months ago
Maisem Ali	2b638f550d	cmd/k8s-operator: add depaware.txt Updates #12742 Signed-off-by: Maisem Ali <maisem@tailscale.com>	4 months ago
Tom Proctor	01a7726cf7	cmd/containerboot,cmd/k8s-operator: enable IPv6 for fqdn egress proxies (#12577 ) cmd/containerboot,cmd/k8s-operator: enable IPv6 for fqdn egress proxies Don't skip installing egress forwarding rules for IPv6 (as long as the host supports IPv6), and set headless services `ipFamilyPolicy` to `PreferDualStack` to optionally enable both IP families when possible. Note that even with `PreferDualStack` set, testing a dual-stack GKE cluster with the default DNS setup of kube-dns did not correctly set both A and AAAA records for the headless service, and instead only did so when switching the cluster DNS to Cloud DNS. For both IPv4 and IPv6 to work simultaneously in a dual-stack cluster, we require headless services to return both A and AAAA records. If the host doesn't support IPv6 but the FQDN specified only has IPv6 addresses available, containerboot will exit with error code 1 and an error message because there is no viable egress route. Fixes #12215 Signed-off-by: Tom Proctor <tomhjp@users.noreply.github.com>	4 months ago
Tom Proctor	3099323976	cmd/k8s-operator,k8s-operator,go.{mod,sum}: publish proxy status condition for annotated services (#12463 ) Adds a new TailscaleProxyReady condition type for use in corev1.Service conditions. Also switch our CRDs to use metav1.Condition instead of ConnectorCondition. The Go structs are seralized identically, but it updates some descriptions and validation rules. Update k8s controller-tools and controller-runtime deps to fix the documentation generation for metav1.Condition so that it excludes comments and TODOs. Stop expecting the fake client to populate TypeMeta in tests. See kubernetes-sigs/controller-runtime#2633 for details of the change. Finally, make some minor improvements to validation for service hostnames. Fixes #12216 Co-authored-by: Irbe Krumina <irbe@tailscale.com> Signed-off-by: Tom Proctor <tomhjp@users.noreply.github.com>	5 months ago
Irbe Krumina	8cc2738609	cmd/{containerboot,k8s-operator}: store proxy device ID early to help with cleanup for broken proxies (#12425 ) * cmd/containerboot: store device ID before setting up proxy routes. For containerboot instances whose state needs to be stored in a Kubernetes Secret, we additonally store the device's ID, FQDN and IPs. This is used, between other, by the Kubernetes operator, who uses the ID to delete the device when resources need cleaning up and writes the FQDN and IPs on various kube resource statuses for visibility. This change shifts storing device ID earlier in the proxy setup flow, to ensure that if proxy routing setup fails, the device can still be deleted. Updates tailscale/tailscale#12146 Signed-off-by: Irbe Krumina <irbe@tailscale.com> * code review feedback Signed-off-by: Irbe Krumina <irbe@tailscale.com> --------- Signed-off-by: Irbe Krumina <irbe@tailscale.com>	5 months ago
JunYanBJSS	4c01ce9f43	tsnet: fix error formatting bug Fixes #12411 Signed-off-by: JunYanBJSS <johnnycocoyan@hotmail.com>	5 months ago
Irbe Krumina	c3e2b7347b	tailcfg,cmd/k8s-operator,kube: move Kubernetes cap to a location that can be shared with control (#12236 ) This PR is in prep of adding logic to control to be able to parse tailscale.com/cap/kubernetes grants in control: - moves the type definition of PeerCapabilityKubernetes cap to a location shared with control. - update the Kubernetes cap rule definition with fields for granting kubectl exec session recording capabilities. - adds a convenience function to produce tailcfg.RawMessage from an arbitrary cap rule and a test for it. An example grant defined via ACLs: "grants": [{ "src": ["tag:eng"], "dst": ["tag:k8s-operator"], "app": { "tailscale.com/cap/kubernetes": [{ "recorder": ["tag:my-recorder"] “enforceRecorder”: true }], }, } ] This grant enforces `kubectl exec` sessions from tailnet clients, matching `tag:eng` via API server proxy matching `tag:k8s-operator` to be recorded and recording to be sent to a tsrecorder instance, matching `tag:my-recorder`. The type needs to be shared with control because we want control to parse this cap and resolve tags to peer IPs. Updates tailscale/corp#19821 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	5 months ago
Irbe Krumina	807934f00c	cmd/k8s-operator,k8s-operator: allow proxies accept advertized routes. (#12388 ) Add a new .spec.tailscale.acceptRoutes field to ProxyClass, that can be optionally set to true for the proxies to accept routes advertized by other nodes on tailnet (equivalent of setting --accept-routes to true). Updates tailscale/tailscale#12322,tailscale/tailscale#10684 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	5 months ago
Irbe Krumina	53d9cac196	k8s-operator/apis/v1alpha1,cmd/k8s-operator/deploy/examples: update DNSConfig description (#11971 ) Also removes hardcoded image repo/tag from example DNSConfig resource as the operator now knows how to default those. Updates tailscale/tailscale#11019 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	5 months ago
Tom Proctor	23e26e589f	cmd/k8s-operator,k8s-opeerator: include Connector's MagicDNS name and tailnet IPs in status (#12359 ) Add new fields TailnetIPs and Hostname to Connector Status. These contain the addresses of the Tailscale node that the operator created for the Connector to aid debugging. Fixes #12214 Signed-off-by: Tom Proctor <tomhjp@users.noreply.github.com>	5 months ago
Irbe Krumina	3a6d3f1a5b	cmd/k8s-operator,k8s-operator,go.{mod,sum}: make individual proxy images/image pull policies configurable (#11928 ) cmd/k8s-operator,k8s-operator,go.{mod,sum}: make individual proxy images/image pull policies configurable Allow to configure images and image pull policies for individual proxies via ProxyClass.Spec.StatefulSet.Pod.{TailscaleContainer,TailscaleInitContainer}.Image, and ProxyClass.Spec.StatefulSet.Pod.{TailscaleContainer,TailscaleInitContainer}.ImagePullPolicy fields. Document that we have images in ghcr.io on the relevant Helm chart fields. Updates tailscale/tailscale#11675 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	5 months ago
Andrew Dunham	e88a5dbc92	various: fix lint warnings Some lint warnings caught by running 'make lint' locally. Updates #cleanup Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: I1534ed6f2f5e1eb029658906f9d62607dad98ca3	5 months ago
Irbe Krumina	82576190a7	tailcfg,cmd/k8s-operator: moves tailscale.com/cap/kubernetes peer cap to tailcfg (#12235 ) This is done in preparation for adding kubectl session recording rules to this capability grant that will need to be unmarshalled by control, so will also need to be in a shared location. Updates tailscale/corp#19821 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	5 months ago
signed-long	1dc3136a24	cmd/k8s-operator: Support image 'repo' or 'repository' keys in helm values file (#12285 ) cmd/k8s-operator/deploy/chart: Support image 'repo' or 'repository' keys in helm values Fixes #12100 Signed-off-by: Michael Long <michaelongdev@gmail.com>	5 months ago
signed-long	5ad0dad15e	go generate directives reorder for 'make kube-generate-all' (#12210 ) Fixes #11980 Signed-off-by: Michael Long <michaelongdev@gmail.com>	5 months ago
Irbe Krumina	d0d33f257f	cmd/k8s-operator: add a note pointing at ProxyClass (#12246 ) Updates tailscale/tailscale#12242 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	5 months ago
Irbe Krumina	72f0f53ed0	cmd/k8s-operator: fix typo (#12217 ) Fixes#cleanup Signed-off-by: Irbe Krumina <irbe@tailscale.com>	5 months ago
Irbe Krumina	d86d1e7601	cmd/k8s-operator,cmd/containerboot,ipn,k8s-operator: turn off stateful filter for egress proxies. (#12075 ) Turn off stateful filtering for egress proxies to allow cluster traffic to be forwarded to tailnet. Allow configuring stateful filter via tailscaled config file. Deprecate EXPERIMENTAL_TS_CONFIGFILE_PATH env var and introduce a new TS_EXPERIMENTAL_VERSIONED_CONFIG env var that can be used to provide containerboot a directory that should contain one or more tailscaled config files named cap-<tailscaled-cap-version>.hujson. Containerboot will pick the one with the newest capability version that is not newer than its current capability version. Proxies with this change will not work with older Tailscale Kubernetes operator versions - users must ensure that the deployed operator is at the same version or newer (up to 4 version skew) than the proxies. Updates tailscale/tailscale#12061 Signed-off-by: Irbe Krumina <irbe@tailscale.com> Co-authored-by: Maisem Ali <maisem@tailscale.com>	6 months ago
Irbe Krumina	b5dbf155b1	cmd/k8s-operator: default nameserver image to tailscale/k8s-nameserver:unstable (#11991 ) We are now publishing nameserver images to tailscale/k8s-nameserver, so we can start defaulting the images if users haven't set them explicitly, same as we already do with proxy images. The nameserver images are currently only published for unstable track, so we have to use the static 'unstable' tag. Once we start publishing to stable, we can make the operator default to its own tag (because then we'll know that for each operator tag X there is also a nameserver tag X as we always cut all images for a given tag. Updates tailscale/tailscale#10499 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	6 months ago
Irbe Krumina	406293682c	cmd/k8s-operator: cleanup runReconciler signature (#11993 ) Updates#cleanup Signed-off-by: Irbe Krumina <irbe@tailscale.com>	6 months ago
Irbe Krumina	cd633a7252	cmd/k8s-operator/deploy,k8s-operator: document that metrics are unstable (#11979 ) Updates#11292 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	6 months ago
Irbe Krumina	19b31ac9a6	cmd/{k8s-operator,k8s-nameserver},k8s-operator: update nameserver config with records for ingress/egress proxies (#11019 ) cmd/k8s-operator: optionally update dnsrecords Configmap with DNS records for proxies. This commit adds functionality to automatically populate DNS records for the in-cluster ts.net nameserver to allow cluster workloads to resolve MagicDNS names associated with operator's proxies. The records are created as follows: * For tailscale Ingress proxies there will be a record mapping the MagicDNS name of the Ingress device and each proxy Pod's IP address. * For cluster egress proxies, configured via tailscale.com/tailnet-fqdn annotation, there will be a record for each proxy Pod, mapping the MagicDNS name of the exposed tailnet workload to the proxy Pod's IP. No records will be created for any other proxy types. Records will only be created if users have configured the operator to deploy an in-cluster ts.net nameserver by applying tailscale.com/v1alpha1.DNSConfig. It is user's responsibility to add the ts.net nameserver as a stub nameserver for ts.net DNS names. https://kubernetes.io/docs/tasks/administer-cluster/dns-custom-nameservers/#configuration-of-stub-domain-and-upstream-nameserver-using-coredns https://cloud.google.com/kubernetes-engine/docs/how-to/kube-dns#upstream_nameservers See also https://github.com/tailscale/tailscale/pull/11017 Updates tailscale/tailscale#10499 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	6 months ago
Gabe Gorelick	de85610be0	cmd/k8s-operator/deploy/chart: allow users to configure additional labels for the operator's Pod via Helm chart values. cmd/k8s-operator/deploy/chart: allow users to configure additional labels for the operator's Pod via Helm chart values. Fixes #11947 Signed-off-by: Gabe Gorelick <gabe@hightouch.io>	6 months ago
Irbe Krumina	44aa809cb0	cmd/{k8s-nameserver,k8s-operator},k8s-operator: add a kube nameserver, make operator deploy it (#11919 ) * cmd/k8s-nameserver,k8s-operator: add a nameserver that can resolve ts.net DNS names in cluster. Adds a simple nameserver that can respond to A record queries for ts.net DNS names. It can respond to queries from in-memory records, populated from a ConfigMap mounted at /config. It dynamically updates its records as the ConfigMap contents changes. It will respond with NXDOMAIN to queries for any other record types (AAAA to be implemented in the future). It can respond to queries over UDP or TCP. It runs a miekg/dns DNS server with a single registered handler for ts.net domain names. Queries for other domain names will be refused. The intended use of this is: 1) to allow non-tailnet cluster workloads to talk to HTTPS tailnet services exposed via Tailscale operator egress over HTTPS 2) to allow non-tailnet cluster workloads to talk to workloads in the same cluster that have been exposed to tailnet over their MagicDNS names but on their cluster IPs. DNSConfig CRD can be used to configure the operator to deploy kube nameserver (./cmd/k8s-nameserver) to cluster. Updates tailscale/tailscale#10499 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	6 months ago
Irbe Krumina	7d9c3f9897	cmd/k8s-operator/deploy/manifests: check if IPv6 module is loaded before using it (#11867 ) Before attempting to enable IPv6 forwarding in the proxy init container check if the relevant module is found, else the container crashes on hosts that don't have it. Updates#11860 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	6 months ago
Irbe Krumina	df8f40905b	cmd/k8s-operator,k8s-operator: optionally serve tailscaled metrics on Pod IP (#11699 ) Adds a new .spec.metrics field to ProxyClass to allow users to optionally serve client metrics (tailscaled --debug) on <Pod-IP>:9001. Metrics cannot currently be enabled for proxies that egress traffic to tailnet and for Ingress proxies with tailscale.com/experimental-forward-cluster-traffic-via-ingress annotation (because they currently forward all cluster traffic to their respective backends). The assumption is that users will want to have these metrics enabled continuously to be able to monitor proxy behaviour (as opposed to enabling them temporarily for debugging). Hence we expose them on Pod IP to make it easier to consume them i.e via Prometheus PodMonitor. Updates tailscale/tailscale#11292 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	6 months ago
Lee Briggs	14ac41febc	cmd/k8s-operator,k8s-operator: proxyclass affinity (#11862 ) add ability to set affinity rules to proxyclass Updates#11861 Signed-off-by: Lee Briggs <lee@leebriggs.co.uk>	6 months ago
Irbe Krumina	3af0f526b8	cmd{containerboot,k8s-operator},util/linuxfw: support ExternalName Services (#11802 ) * cmd/containerboot,util/linuxfw: support proxy backends specified by DNS name Adds support for optionally configuring containerboot to proxy traffic to backends configured by passing TS_EXPERIMENTAL_DEST_DNS_NAME env var to containerboot. Containerboot will periodically (every 10 minutes) attempt to resolve the DNS name and ensure that all traffic sent to the node's tailnet IP gets forwarded to the resolved backend IP addresses. Currently: - if the firewall mode is iptables, traffic will be load balanced accross the backend IP addresses using round robin. There are no health checks for whether the IPs are reachable. - if the firewall mode is nftables traffic will only be forwarded to the first IP address in the list. This is to be improved. * cmd/k8s-operator: support ExternalName Services Adds support for exposing endpoints, accessible from within a cluster to the tailnet via DNS names using ExternalName Services. This can be done by annotating the ExternalName Service with tailscale.com/expose: "true" annotation. The operator will deploy a proxy configured to route tailnet traffic to the backend IPs that service.spec.externalName resolves to. The backend IPs must be reachable from the operator's namespace. Updates tailscale/tailscale#10606 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	6 months ago
Irbe Krumina	bbe194c80d	cmd/k8s-operator: correctly determine cluster domain (#11512 ) Kubernetes cluster domain defaults to 'cluster.local', but can also be customized. We need to determine cluster domain to set up in-cluster forwarding to our egress proxies. This was previously hardcoded to 'cluster.local', so was the egress proxies were not usable in clusters with custom domains. This PR ensures that we attempt to determine the cluster domain by parsing /etc/resolv.conf. In case the cluster domain cannot be determined from /etc/resolv.conf, we fall back to 'cluster.local'. Updates tailscale/tailscale#10399,tailscale/tailscale#11445 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	7 months ago
Brad Fitzpatrick	7c1d6e35a5	all: use Go 1.22 range-over-int Updates #11058 Change-Id: I35e7ef9b90e83cac04ca93fd964ad00ed5b48430 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	7 months ago
Irbe Krumina	26f9bbc02b	cmd/k8s-operator,k8s-operator: document tailscale.com Custom Resource Definitions better. (#11665 ) Updates tailscale/tailscale#10880 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	7 months ago
Irbe Krumina	38fb23f120	cmd/k8s-operator,k8s-operator: allow users to configure proxy env vars via ProxyClass (#11743 ) Adds new ProxyClass.spec.statefulSet.pod.{tailscaleContainer,tailscaleInitContainer}.Env field that allow users to provide key, value pairs that will be set as env vars for the respective containers. Allow overriding all containerboot env vars, but warn that this is not supported and might break (in docs + a warning when validating ProxyClass). Updates tailscale/tailscale#10709 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	7 months ago
Irbe Krumina	231e44e742	Revert "cmd/{k8s-nameserver,k8s-operator},k8s-operator: add a kube nameserver, make operator deploy it (#11017 )" (#11669 ) Temporarily reverting this PR to avoid releasing half finished featue. This reverts commit `9e2f58f846`. Signed-off-by: Irbe Krumina <irbe@tailscale.com>	7 months ago
Irbe Krumina	9b5176c4d9	cmd/k8s-operator: fix failing tests (#11541 ) Updates#cleanup Signed-off-by: Irbe Krumina <irbe@tailscale.com>	7 months ago
Irbe Krumina	9e2f58f846	cmd/{k8s-nameserver,k8s-operator},k8s-operator: add a kube nameserver, make operator deploy it (#11017 ) * cmd/k8s-nameserver,k8s-operator: add a nameserver that can resolve ts.net DNS names in cluster. Adds a simple nameserver that can respond to A record queries for ts.net DNS names. It can respond to queries from in-memory records, populated from a ConfigMap mounted at /config. It dynamically updates its records as the ConfigMap contents changes. It will respond with NXDOMAIN to queries for any other record types (AAAA to be implemented in the future). It can respond to queries over UDP or TCP. It runs a miekg/dns DNS server with a single registered handler for ts.net domain names. Queries for other domain names will be refused. The intended use of this is: 1) to allow non-tailnet cluster workloads to talk to HTTPS tailnet services exposed via Tailscale operator egress over HTTPS 2) to allow non-tailnet cluster workloads to talk to workloads in the same cluster that have been exposed to tailnet over their MagicDNS names but on their cluster IPs. Updates tailscale/tailscale#10499 Signed-off-by: Irbe Krumina <irbe@tailscale.com> * cmd/k8s-operator/deploy/crds,k8s-operator: add DNSConfig CustomResource Definition DNSConfig CRD can be used to configure the operator to deploy kube nameserver (./cmd/k8s-nameserver) to cluster. Signed-off-by: Irbe Krumina <irbe@tailscale.com> * cmd/k8s-operator,k8s-operator: optionally reconcile nameserver resources Adds a new reconciler that reconciles DNSConfig resources. If a DNSConfig is deployed to cluster, the reconciler creates kube nameserver resources. This reconciler is only responsible for creating nameserver resources and not for populating nameserver's records. Signed-off-by: Irbe Krumina <irbe@tailscale.com> * cmd/{k8s-operator,k8s-nameserver}: generate DNSConfig CRD for charts, append to static manifests Signed-off-by: Irbe Krumina <irbe@tailscale.com> --------- Signed-off-by: Irbe Krumina <irbe@tailscale.com>	7 months ago
Irbe Krumina	4cbef20569	cmd/k8s-operator: redact auth key from debug logs (#11523 ) Updates#cleanup Signed-off-by: Irbe Krumina <irbe@tailscale.com>	7 months ago
Chris Milson-Tokunaga	b6dfd7443a	Change type of installCRDs (#11478 ) Including the double quotes (`"`) around the value made it appear like the helm chart should expect a string value for `installCRDs`. Signed-off-by: Chris Milson-Tokunaga <chris.w.milson@gmail.com>	7 months ago
Irbe Krumina	b0c3e6f6c5	cmd/k8s-operator,ipn/conf.go: fix --accept-routes for proxies (#11453 ) Fix a bug where all proxies got configured with --accept-routes set to true. The bug was introduced in https://github.com/tailscale/tailscale/pull/11238. Updates#cleanup Signed-off-by: Irbe Krumina <irbe@tailscale.com>	8 months ago
Irbe Krumina	95dcc1745b	cmd/k8s-operator: reconcile tailscale Ingresses when their backend Services change. (#11255 ) This is so that if a backend Service gets created after the Ingress, it gets picked up by the operator. Updates tailscale/tailscale#11251 Signed-off-by: Irbe Krumina <irbe@tailscale.com> Co-authored-by: Anton Tolchanov <1687799+knyar@users.noreply.github.com>	8 months ago
Irbe Krumina	303125d96d	cmd/k8s-operator: configure all proxies with declarative config (#11238 ) Containerboot container created for operator's ingress and egress proxies are now always configured by passing a configfile to tailscaled (tailscaled --config <configfile-path>. It does not run 'tailscale set' or 'tailscale up'. Upgrading existing setups to this version as well as downgrading existing setups at this version works. Updates tailscale/tailscale#10869 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	8 months ago
Irbe Krumina	45d27fafd6	cmd/k8s-operator,k8s-operator,go.{mod,sum},tstest/tools: add Tailscale Kubernetes operator API docs (#11246 ) Add logic to autogenerate CRD docs. .github/workflows/kubemanifests.yaml CI workflow will fail if the doc is out of date with regard to the current CRDs. Docs can be refreshed by running make kube-generate-all. Updates tailscale/tailscale#11023 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	8 months ago
Irbe Krumina	5bd19fd3e3	cmd/k8s-operator,k8s-operator: proxy configuration mechanism via a new ProxyClass custom resource (#11074 ) * cmd/k8s-operator,k8s-operator: introduce proxy configuration mechanism via ProxyClass custom resource. ProxyClass custom resource can be used to specify customizations for the proxy resources created by the operator. Add a reconciler that validates ProxyClass resources and sets a Ready condition to True or False with a corresponding reason and message. This is required because some fields (labels and annotations) require complex validations that cannot be performed at custom resource apply time. Reconcilers that use the ProxyClass to configure proxy resources are expected to verify that the ProxyClass is Ready and not proceed with resource creation if configuration from a ProxyClass that is not yet Ready is required. If a tailscale ingress/egress Service is annotated with a tailscale.com/proxy-class annotation, look up the corresponding ProxyClass and, if it is Ready, apply the configuration from the ProxyClass to the proxy's StatefulSet. If a tailscale Ingress has a tailscale.com/proxy-class annotation and the referenced ProxyClass custom resource is available and Ready, apply configuration from the ProxyClass to the proxy resources that will be created for the Ingress. Add a new .proxyClass field to the Connector spec. If connector.spec.proxyClass is set to a ProxyClass that is available and Ready, apply configuration from the ProxyClass to the proxy resources created for the Connector. Ensure that when Helm chart is packaged, the ProxyClass yaml is added to chart templates. Ensure that static manifest generator adds ProxyClass yaml to operator.yaml. Regenerate operator.yaml Signed-off-by: Irbe Krumina <irbe@tailscale.com>	9 months ago
Irbe Krumina	a6cc2fdc3e	cmd/{containerboot,k8s-operator/deploy/manifests}: optionally allow proxying cluster traffic to a cluster target via ingress proxy (#11036 ) * cmd/containerboot,cmd/k8s-operator/deploy/manifests: optionally forward cluster traffic via ingress proxy. If a tailscale Ingress has tailscale.com/experimental-forward-cluster-traffic-via-ingress annotation, configure the associated ingress proxy to have its tailscale serve proxy to listen on Pod's IP address. This ensures that cluster traffic too can be forwarded via this proxy to the ingress backend(s). In containerboot, if EXPERIMENTAL_PROXY_CLUSTER_TRAFFIC_VIA_INGRESS is set to true and the node is Kubernetes operator ingress proxy configured via Ingress, make sure that traffic from within the cluster can be proxied to the ingress target. Updates tailscale/tailscale#10499 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	9 months ago
Irbe Krumina	370ec6b46b	cmd/k8s-operator: don't proceed with Ingress that has no valid backends (#10919 ) Do not provision resources for a tailscale Ingress that has no valid backends. Updates tailscale/tailscale#10910 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	9 months ago
ChandonPierre	2ce596ea7a	cmd/k8s-operator/deploy: allow modifying operator tags via Helm values Updates tailscale/tailscale#10659 Signed-off-by: Chandon Pierre <cpierre@coreweave.com>	10 months ago
Joe Tsai	c25968e1c5	all: make use of ctxkey everywhere (#10846 ) Also perform minor cleanups on the ctxkey package itself. Provide guidance on when to use ctxkey.Key[T] over ctxkey.New. Also, allow for interface kinds because the value wrapping trick also happens to fix edge cases with interfaces in Go. Updates #cleanup Signed-off-by: Joe Tsai <joetsai@digital-static.net>	10 months ago
Irbe Krumina	1c3c3d6752	cmd/k8s-operator: warn if unsupported Ingress Exact path type is used. (#10865 ) To reduce the likelihood of breaking users, if we implement stricter Exact path type matching in the future. Updates tailscale/tailscale#10730 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	10 months ago
Irbe Krumina	50b52dbd7d	cmd/k8s-operator: sync StatefulSet labels to their Pods (#10861 ) So that users have predictable label values to use when configuring network policies. Updates tailscale/tailscale#10854 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	10 months ago
Irbe Krumina	d0492fdee5	cmd/k8s-operator: adds a tailscale IngressClass resource, prints warning if class not found. (#10823 ) * cmd/k8s-operator/deploy: deploy a Tailscale IngressClass resource. Some Ingress validating webhooks reject Ingresses with .spec.ingressClassName for which there is no matching IngressClass. Additionally, validate that the expected IngressClass is present, when parsing a tailscale `Ingress`. We currently do not utilize the IngressClass, however we might in the future at which point we might start requiring that the right class for this controller instance actually exists. Updates tailscale/tailscale#10820 Signed-off-by: Irbe Krumina <irbe@tailscale.com> Co-authored-by: Anton Tolchanov <anton@tailscale.com>	10 months ago
Irbe Krumina	169778e23b	cmd/k8s-operator: minor fix in name gen (#10830 ) Updates#cleanup Signed-off-by: Irbe Krumina <irbe@tailscale.com>	10 months ago
Irbe Krumina	5cc1bfe82d	cmd/k8s-operator: remove configuration knob for Connector (#10791 ) The configuration knob (that defaulted to Connector being disabled) was added largely because the Connector CRD had to be installed in a separate step. Now when the CRD has been added to both chart and static manifest, we can have it on by default. Updates tailscale/tailscale#10878 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	10 months ago
Irbe Krumina	469af614b0	cmd/k8s-operator: fix base truncating for extra long Service names (#10825 ) cmd/k8s-operator: fix base truncating for extra long Service names StatefulSet names for ingress/egress proxies are calculated using Kubernetes name generator and the parent resource name as a base. The name generator also cuts the base, but has a higher max cap. This commit fixes a bug where, if we get a shortened base back from the generator, we cut off too little as the base that we have cut will be passed into the generator again, which will then itself cut less because the base is shorter- so we end up with a too long name again. Updates tailscale/tailscale#10807 Co-authored-by: Maisem Ali <maisem@tailscale.com> Signed-off-by: Irbe Krumina <irbekrm@gmail.com>	10 months ago
Irbe Krumina	35f49ac99e	cmd/k8s-operator: add Connector CRD to Helm chart and static manifests (#10775 ) cmd/k8s-operator: add CRD to chart and static manifest Add functionality to insert CRD to chart at package time. Insert CRD to static manifests as this is where they are currently consumed from. Signed-off-by: Irbe Krumina <irbe@tailscale.com>	10 months ago
Irbe Krumina	05093ea7d9	cmd/k8s-operator,k8s-operator: allow the operator to deploy exit nodes via Connector custom resource (#10724 ) cmd/k8s-operator/deploy/crds,k8s-operator/apis/v1alpha1: allow to define an exit node via Connector CR. Make it possible to define an exit node to be deployed to a Kubernetes cluster via Connector Custom resource. Also changes to Connector API so that one Connector corresponds to one Tailnet node that can be either a subnet router or an exit node or both. The Kubernetes operator parses Connector custom resource and, if .spec.isExitNode is set, configures that Tailscale node deployed for that connector as an exit node. Signed-off-by: Irbe Krumina <irbe@tailscale.com> Co-authored-by: Anton Tolchanov <anton@tailscale.com>	10 months ago
Irbe Krumina	38b4eb9419	cmd/k8s-operator/deploy/chart: document passing multiple proxy tags + log level values (#10624 ) Updates #cleanup Signed-off-by: Irbe Krumina <irbe@tailscale.com>	11 months ago
Irbe Krumina	1a08ea5990	cmd/k8s-operator: operator can create subnetrouter (#9505 ) * k8s-operator,cmd/k8s-operator,Makefile,scripts,.github/workflows: add Connector kube CRD. Connector CRD allows users to configure the Tailscale Kubernetes operator to deploy a subnet router to expose cluster CIDRs or other CIDRs available from within the cluster to their tailnet. Also adds various CRD related machinery to generate CRD YAML, deep copy implementations etc. Engineers will now have to run 'make kube-generate-all` after changing kube files to ensure that all generated files are up to date. * cmd/k8s-operator,k8s-operator: reconcile Connector resources Reconcile Connector resources, create/delete subnetrouter resources in response to changes to Connector(s). Connector reconciler will not be started unless ENABLE_CONNECTOR env var is set to true. This means that users who don't want to use the alpha Connector custom resource don't have to install the Connector CRD to their cluster. For users who do want to use it the flow is: - install the CRD - install the operator (via Helm chart or using static manifests). For Helm users set .values.enableConnector to true, for static manifest users, set ENABLE_CONNECTOR to true in the static manifest. Updates tailscale/tailscale#502 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	11 months ago
Maisem Ali	fb632036e3	cmd/k8s-operator: drop https:// in capName Add the new format but keep respecting the old one. Updates #4217 Signed-off-by: Maisem Ali <maisem@tailscale.com>	11 months ago
Irbe Krumina	49fd0a62c9	cmd/k8s-operator: generate static kube manifests from the Helm chart. (#10436 ) * cmd/k8s-operator: generate static manifests from Helm charts This is done to ensure that there is a single source of truth for the operator kube manifests. Also adds linux node selector to the static manifests as this was added as a default to the Helm chart. Static manifests can now be generated by running `go generate tailscale.com/cmd/k8s-operator`. Updates tailscale/tailscale#9222 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	11 months ago
Irbe Krumina	18ceb4e1f6	cmd/{containerboot,k8s-operator}: allow users to define tailnet egress target by FQDN (#10360 ) * cmd/containerboot: proxy traffic to tailnet target defined by FQDN Add a new Service annotation tailscale.com/tailnet-fqdn that users can use to specify a tailnet target for which an egress proxy should be deployed in the cluster. Updates tailscale/tailscale#10280 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	11 months ago
Gabriel Martinez	128d3ad1a9	cmd/k8s-operator: helm chart add missing keys (#10296 ) * cmd/k8s-operator: add missing keys to Helm values file Updates #10182 Signed-off-by: Gabriel Martinez <gabrielmartinez@sisti.pt>	12 months ago
Irbe Krumina	66471710f8	cmd/k8s-operator: truncate long StatefulSet name prefixes (#10343 ) Kubernetes can generate StatefulSet names that are too long and result in invalid Pod revision hash label values. Calculate whether a StatefulSet name generated for a Service or Ingress will be too long and if so, truncate it. Updates tailscale/tailscale#10284 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	12 months ago
Irbe Krumina	dd8bc9ba03	cmd/k8s-operator: log user/group impersonated by apiserver proxy (#10334 ) Updates tailscale/tailscale#10127 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	12 months ago
Irbe Krumina	4f80f403be	cmd/k8s-operator: fix chart syntax error (#10333 ) Updates #9222 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	12 months ago
Irbe Krumina	af49bcaa52	cmd/k8s-operator: set different app type for operator with proxy (#10081 ) Updates tailscale/tailscale#9222 plain k8s-operator should have hostinfo.App set to 'k8s-operator', operator with proxy should have it set to 'k8s-operator-proxy'. In proxy mode, we were setting the type after it had already been set to 'k8s-operator' Signed-off-by: Irbe Krumina <irbe@tailscale.com>	1 year ago
David Anderson	37863205ec	cmd/k8s-operator: strip credentials from client config in noauth mode Updates tailscale/corp#15526 Signed-off-by: David Anderson <danderson@tailscale.com>	1 year ago
Rhea Ghosh	970eb5e784	cmd/k8s-operator: sanitize connection headers (#10063 ) Fixes tailscale/corp#15526 Signed-off-by: Rhea Ghosh <rhea@tailscale.com>	1 year ago
Irbe Krumina	c2b87fcb46	cmd/k8s-operator/deploy/chart,.github/workflows: use helm chart API v2 (#10055 ) API v1 is compatible with helm v2 and v2 is not. However, helm v2 (the Tiller deployment mechanism) was deprecated in 2020 and no-one should be using it anymore. This PR also adds a CI lint test for helm chart Updates tailscale/tailscale#9222 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	1 year ago
Irbe Krumina	ed1b935238	cmd/k8s-operator: allow to install operator via helm (#9920 ) Initial helm manifests. Updates tailscale/tailscale#9222 Signed-off-by: Irbe Krumina <irbe@tailscale.com> Co-authored-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Irbe Krumina	e9956419f6	cmd/k8s-operator: allow cleanup of cluster resources for deleted devices (#9917 ) Users should delete proxies by deleting or modifying the k8s cluster resources that they used to tell the operator to create they proxy. With this flow, the tailscale operator will delete the associated device from the control. However, in some cases users might have already deleted the device from the control manually. Updates tailscale/tailscale#9773 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	1 year ago
Irbe Krumina	cac290da87	cmd/k8s-operator: users can configure firewall mode for kube operator proxies (#9769 ) * cmd/k8s-operator: users can configure operator to set firewall mode for proxies Users can now pass PROXY_FIREWALL_MODE={nftables,auto,iptables} to operator to make it create ingress/egress proxies with that firewall mode Also makes sure that if an invalid firewall mode gets configured, the operator will not start provisioning proxy resources, but will instead log an error and write an error event to the related Service. Updates tailscale/tailscale#9310 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	1 year ago
Maisem Ali	f53c3be07c	cmd/k8s-operator: use our own container image instead of busybox We already have sysctl in the `tailscale/tailscale` image, just use that. Updates #cleanup Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Maisem Ali	1294b89792	cmd/k8s-operator: allow setting same host value for tls and ingress rules We were too strict and required the user not specify the host field at all in the ingress rules, but that degrades compatibility with existing helm charts. Relax the constraint so that rule.Host can either be empty, or match the tls.Host[0] value exactly. Fixes #9548 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Maisem Ali	1cb9e33a95	cmd/k8s-operator: update env var in manifest to APISERVER_PROXY Replace the deprecated var with the one in docs to avoid confusion. Introduced in `335a5aaf9a`. Updates #8317 Fixes #9764 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Brad Fitzpatrick	93c6e1d53b	tstest/deptest: add check that x/exp/{maps,slices} imported as xfoo Updates #cleanup Change-Id: I4cbb5e477c739deddf7a46b66f286c9fdb106279 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago
Irbe Krumina	bdd9eeca90	cmd/k8s-operator: fix reconcile filters (#9533 ) Ensure that when there is an event on a Tailscale managed Ingress or Service child resource, the right parent type gets reconciled Updates tailscale/tailscale#502 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	1 year ago
Irbe Krumina	c5b2a365de	cmd/k8s-operator: fix egress service name (#9494 ) Updates https://github.com/tailscale/tailscale/issues/502 Signed-off-by: Irbe Krumina <irbe@tailscale.com>	1 year ago
Maisem Ali	5f4d76c18c	cmd/k8s-operator: rename egress annotation It was tailscale.com/ts-tailnet-target-ip, which was pretty redundant. Change it to tailscale.com/tailnet-ip. Updates #502 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Maisem Ali	d06b48dd0a	tailcfg: add RawMessage This adds a new RawMessage type backed by string instead of the json.RawMessage which is backed by []byte. The byte slice makes the generated views be a lot more defensive than the need to be which we can get around by using a string instead. Updates #cleanup Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Maisem Ali	335a5aaf9a	cmd/k8s-operator: add APISERVER_PROXY env The kube-apiserver proxy in the operator would only run in auth proxy mode but thats not always desirable. There are situations where the proxy should just be a transparent proxy and not inject auth headers, so do that using a new env var APISERVER_PROXY and deprecate the AUTH_PROXY env. THe new env var has three options `false`, `true` and `noauth`. Updates #8317 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Maisem Ali	794650fe50	cmd/k8s-operator: emit event if HTTPS is disabled on Tailnet Instead of confusing users, emit an event that explicitly tells the user that HTTPS is disabled on the tailnet and that ingress may not work until they enable it. Updates #9141 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Maisem Ali	306b85b9a3	cmd/k8s-operator: add metrics to track usage Updates #502 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Irbe Krumina	17438a98c0	cm/k8s-operator,cmd/containerboot: fix STS config, more tests (#9155 ) Ensures that Statefulset reconciler config has only one of Cluster target IP or tailnet target IP. Adds a test case for containerboot egress proxy mode. Updates tailscale/tailscale#8184 Signed-off-by: irbekrm <irbekrm@gmail.com>	1 year ago
Irbe Krumina	fe709c81e5	cmd/k8s-operator,cmd/containerboot: add kube egress proxy (#9031 ) First part of work for the functionality that allows users to create an egress proxy to access Tailnet services from within Kubernetes cluster workloads. This PR allows creating an egress proxy that can access Tailscale services over HTTP only. Updates tailscale/tailscale#8184 Signed-off-by: irbekrm <irbekrm@gmail.com> Co-authored-by: Maisem Ali <maisem@tailscale.com> Co-authored-by: Rhea Ghosh <rhea@tailscale.com>	1 year ago
Maisem Ali	c919ff540f	cmd/k8s-operator,ipn/store/kubestore: patch secrets instead of updating We would call Update on the secret, but that was racey and would occasionaly fail. Instead use patch whenever we can. Fixes errors like ``` boot: 2023/08/29 01:03:53 failed to set serve config: sending serve config: updating config: writing ServeConfig to StateStore: Operation cannot be fulfilled on secrets "ts-webdav-kfrzv-0": the object has been modified; please apply your changes to the latest version and try again {"level":"error","ts":"2023-08-29T01:03:48Z","msg":"Reconciler error","controller":"ingress","controllerGroup":"networking.k8s.io","controllerKind":"Ingress","Ingress":{"name":"webdav","namespace":"default"},"namespace":"default","name":"webdav","reconcileID":"96f5cfed-7782-4834-9b75-b0950fd563ed","error":"failed to provision: failed to create or get API key secret: Operation cannot be fulfilled on secrets \"ts-webdav-kfrzv-0\": the object has been modified; please apply your changes to the latest version and try again","stacktrace":"sigs.k8s.io/controller-runtime/pkg/internal/controller.(Controller).reconcileHandler\n\tsigs.k8s.io/controller-runtime@v0.15.0/pkg/internal/controller/controller.go:324\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(Controller).processNextWorkItem\n\tsigs.k8s.io/controller-runtime@v0.15.0/pkg/internal/controller/controller.go:265\nsigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func2.2\n\tsigs.k8s.io/controller-runtime@v0.15.0/pkg/internal/controller/controller.go:226"} ``` Updates #502 Updates #7895 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Maisem Ali	0c6fe94cf4	cmd/k8s-operator: add matching family addresses to status This was added in `3451b89e5f`, but resulted in the v6 Tailscale address being added to status when when the forwarding only happened on the v4 address. Updates #502 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Maisem Ali	f92e6a1be8	cmd/k8s-operator: update RBAC to allow creating events The new ingress reconcile raises events on failure, but I forgot to add the updated permission. Updates #502 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Mike Beaumont	3451b89e5f	cmd/k8s-operator: put Tailscale IPs in Service ingress status Updates #502 Signed-off-by: Mike Beaumont <mjboamail@gmail.com>	1 year ago
Mike Beaumont	ce4bf41dcf	cmd/k8s-operator: support being the default loadbalancer controller Updates #502 Signed-off-by: Mike Beaumont <mjboamail@gmail.com>	1 year ago
Maisem Ali	c8dea67cbf	cmd/k8s-operator: add support for Ingress resources Previously, the operator would only monitor Services and create a Tailscale StatefulSet which acted as a L3 proxy which proxied traffic inbound to the Tailscale IP onto the services ClusterIP. This extends that functionality to also monitor Ingress resources where the `ingressClassName=tailscale` and similarly creates a Tailscale StatefulSet, acting as a L7 proxy instead. Users can override the desired hostname by setting: ``` - tls hosts: - "foo" ``` Hostnames specified under `rules` are ignored as we only create a single host. This is emitted as an event for users to see. Fixes #7895 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Maisem Ali	12ac672542	cmd/k8s-operator: handle changes to services w/o teardown Previously users would have to unexpose/expose the service in order to change Hostname/TargetIP. This now applies those changes by causing a StatefulSet rollout now that `a61a9ab087` is in. Updates #502 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Brad Fitzpatrick	98a5116434	all: adjust some build tags for plan9 I'm not saying it works, but it compiles. Updates #5794 Change-Id: I2f3c99732e67fe57a05edb25b758d083417f083e Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago
Maisem Ali	74388a771f	cmd/k8s-operator: fix regression from earlier refactor I forgot to move the defer out of the func, so the tsnet.Server immediately closed after starting. Updates #502 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Maisem Ali	836f932ead	cmd/k8s-operator: split operator.go into svc.go/sts.go Updates #502 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Maisem Ali	7f6bc52b78	cmd/k8s-operator: refactor operator code It was jumbled doing a lot of things, this breaks it up into the svc reconciliation and the tailscale sts reconciliation. Prep for future commit. Updates #502 Signed-off-by: Maisem Ali <maisem@tailscale.com>	1 year ago
Brad Fitzpatrick	e8551d6b40	all: use Go 1.21 slices, maps instead of x/exp/{slices,maps} Updates #8419 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>	1 year ago

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184 Commits (e1e22785b4cdef300ca89206f307f867ba262c6e)