initial commit

.gitignore

+.venv
+.idea
+.vscode
+
+remote

Makefile

+all: pre k8s post
+
+cluster: all
+
+pre:
+	echo Running pre-k8s tasks
+	bash -c "cd pre-kubespray; ./bootstrap.sh -c 'ansible-playbook setup_router.yaml; ansible-playbook setup_mgmt.yaml'"
+
+k8s:
+	echo Creating cluster
+	ssh -A -t mgmt 'bash -c "cd kubespray/kubespray-repo; ansible-playbook -i ../inventory/vhc-1/hosts.yaml cluster.yml"'
+
+post:
+	echo Running post-k8s tasks
+	bash -c "cd post-kubespray; ./bootstrap.sh -c 'ansible-playbook post_cluster.yaml'"

README.md

+# Kubernetes cluster docs and playbooks
+
+!!! WORK IN PROGRESS
+
+KSZK-managed Kubernetes cluster related scripts
+
+## Repo content
+
+Clusters:
+
+- KSZK cluster: global and internal services
+- SCH cluster: Public-life services
+- Dev cluster: KSZK experiments
+
+## VMs
+
+Check out: [git.sch && vmware && terraform](https://git.sch.bme.hu/vmware/terraform/sch-cluster/-/blob/master/vm_legacy/kszk-k8s.tf)

ansible.cfg

+[defaults]
+inventory = inventory.yaml
+interpreter_python = /usr/bin/python3
+forks = 30

bootstrap.sh

+#!/usr/bin/env bash
+
+########################### Virtualenv setup ####################################
+
+# create virtualenv if not present
+[[ ! -d .venv ]] && python3 -m venv .venv
+
+source .venv/bin/activate
+
+pip3 install ansible ansible-lint
+
+########################### Ansible setup ####################################
+
+ansible-galaxy install --force -r requirements.galaxy.yml
+
+########################### Help ####################################
+
+echo
+echo "########################################"
+echo
+echo "Your playbooks:"
+
+find . -maxdepth 1 -type f -name "*.yaml" | grep -v inventory
+
+echo
+echo "Recommendation: Set up your OpenSSH config based on inventory.yml"
+
+echo
+echo "You can run playbook with:"
+printf "\tansible-playbook your-playbook.yaml"
+echo
+
+# to stay in our comfy virtualenv
+exec "${SHELL:-bash}" "$@"

files/kubespray/.gitignore

+venv
\ No newline at end of file

files/kubespray/inventory/kszk/.gitignore

+hosts.yaml

files/kubespray/inventory/kszk/group_vars/all/all.yml

+---
+## Directory where etcd data stored
+etcd_data_dir: /var/lib/etcd
+
+## Experimental kubeadm etcd deployment mode. Available only for new deployment
+etcd_kubeadm_enabled: true
+
+## Directory where the binaries will be installed
+bin_dir: /usr/local/bin
+
+## The access_ip variable is used to define how other nodes should access
+## the node.  This is used in flannel to allow other flannel nodes to see
+## this node for example.  The access_ip is really useful AWS and Google
+## environments where the nodes are accessed remotely by the "public" ip,
+## but don't know about that address themselves.
+# access_ip: 1.1.1.1
+
+
+## External LB example config
+# apiserver_loadbalancer_domain_name: "grapefruit.sch.bme.hu"
+# loadbalancer_apiserver:
+#   address: 1.2.3.4
+#   port: 1234
+
+## Internal loadbalancers for apiservers
+# loadbalancer_apiserver_localhost: true
+# valid options are "nginx" or "haproxy"
+# loadbalancer_apiserver_type: nginx  # valid values "nginx" or "haproxy"
+
+## If the cilium is going to be used in strict mode, we can use the
+## localhost connection and not use the external LB. If this parameter is
+## not specified, the first node to connect to kubeapi will be used.
+# use_localhost_as_kubeapi_loadbalancer: true
+
+## Local loadbalancer should use this port
+## And must be set port 6443
+loadbalancer_apiserver_port: 6443
+
+## If loadbalancer_apiserver_healthcheck_port variable defined, enables proxy liveness check for nginx.
+loadbalancer_apiserver_healthcheck_port: 8081
+
+### OTHER OPTIONAL VARIABLES
+
+## Upstream dns servers
+# upstream_dns_servers:
+#   - 8.8.8.8
+#   - 8.8.4.4
+
+## There are some changes specific to the cloud providers
+## for instance we need to encapsulate packets with some network plugins
+## If set the possible values are either 'gce', 'aws', 'azure', 'openstack', 'vsphere', 'oci', or 'external'
+## When openstack is used make sure to source in the openstack credentials
+## like you would do when using openstack-client before starting the playbook.
+# cloud_provider:
+
+## When cloud_provider is set to 'external', you can set the cloud controller to deploy
+## Supported cloud controllers are: 'openstack' and 'vsphere'
+## When openstack or vsphere are used make sure to source in the required fields
+# external_cloud_provider:
+
+## Set these proxy values in order to update package manager and docker daemon to use proxies
+# http_proxy: ""
+# https_proxy: ""
+
+## Refer to roles/kubespray-defaults/defaults/main.yml before modifying no_proxy
+# no_proxy: ""
+
+## Some problems may occur when downloading files over https proxy due to ansible bug
+## https://github.com/ansible/ansible/issues/32750. Set this variable to False to disable
+## SSL validation of get_url module. Note that kubespray will still be performing checksum validation.
+# download_validate_certs: False
+
+## If you need exclude all cluster nodes from proxy and other resources, add other resources here.
+# additional_no_proxy: ""
+
+## If you need to disable proxying of os package repositories but are still behind an http_proxy set
+## skip_http_proxy_on_os_packages to true
+## This will cause kubespray not to set proxy environment in /etc/yum.conf for centos and in /etc/apt/apt.conf for debian/ubuntu
+## Special information for debian/ubuntu - you have to set the no_proxy variable, then apt package will install from your source of wish
+# skip_http_proxy_on_os_packages: false
+
+## Since workers are included in the no_proxy variable by default, docker engine will be restarted on all nodes (all
+## pods will restart) when adding or removing workers.  To override this behaviour by only including master nodes in the
+## no_proxy variable, set below to true:
+no_proxy_exclude_workers: false
+
+## Certificate Management
+## This setting determines whether certs are generated via scripts.
+## Chose 'none' if you provide your own certificates.
+## Option is  "script", "none"
+# cert_management: script
+
+## Set to true to allow pre-checks to fail and continue deployment
+# ignore_assert_errors: false
+
+## The read-only port for the Kubelet to serve on with no authentication/authorization. Uncomment to enable.
+# kube_read_only_port: 10255
+
+## Set true to download and cache container
+download_container: false
+skip_downloads: false
+
+## Deploy container engine
+# Set false if you want to deploy container engine manually.
+# deploy_container_engine: true
+
+## Red Hat Enterprise Linux subscription registration
+## Add either RHEL subscription Username/Password or Organization ID/Activation Key combination
+## Update RHEL subscription purpose usage, role and SLA if necessary
+# rh_subscription_username: ""
+# rh_subscription_password: ""
+# rh_subscription_org_id: ""
+# rh_subscription_activation_key: ""
+# rh_subscription_usage: "Development"
+# rh_subscription_role: "Red Hat Enterprise Server"
+# rh_subscription_sla: "Self-Support"
+
+## Check if access_ip responds to ping. Set false if your firewall blocks ICMP.
+# ping_access_ip: true

files/kubespray/inventory/kszk/group_vars/all/containerd.yml

+---
+# Please see roles/container-engine/containerd/defaults/main.yml for more configuration options
+
+# containerd_storage_dir: "/var/lib/containerd"
+# containerd_state_dir: "/run/containerd"
+# containerd_oom_score: 0
+
+# containerd_default_runtime: "runc"
+# containerd_snapshotter: "native"
+
+# containerd_runtimes:
+#   - name: runc
+#     type: "io.containerd.runc.v2"
+#     engine: ""
+#     root: ""
+# Example for Kata Containers as additional runtime:
+#   - name: kata
+#     type: "io.containerd.kata.v2"
+#     engine: ""
+#     root: ""
+
+# containerd_grpc_max_recv_message_size: 16777216
+# containerd_grpc_max_send_message_size: 16777216
+
+# containerd_debug_level: "info"
+
+# containerd_metrics_address: ""
+
+# containerd_metrics_grpc_histogram: false
+
+# containerd_registries:
+#   "docker.io": "https://registry-1.docker.io"
+
+# containerd_max_container_log_line_size: -1

files/kubespray/inventory/kszk/group_vars/all/crio.yml

+crio_registries_mirrors:
+  - prefix: docker.io
+    insecure: false
+    blocked: false
+    location: registry-1.docker.io
+    mirrors:
+      - location: mirror.gcr.io
+        insecure: false

files/kubespray/inventory/kszk/group_vars/all/docker.yml

+---
+## Uncomment this if you want to force overlay/overlay2 as docker storage driver
+## Please note that overlay2 is only supported on newer kernels
+# docker_storage_options: -s overlay2
+
+## Enable docker_container_storage_setup, it will configure devicemapper driver on Centos7 or RedHat7.
+docker_container_storage_setup: false
+
+## It must be define a disk path for docker_container_storage_setup_devs.
+## Otherwise docker-storage-setup will be executed incorrectly.
+# docker_container_storage_setup_devs: /dev/vdb
+
+## Uncomment this if you want to change the Docker Cgroup driver (native.cgroupdriver)
+## Valid options are systemd or cgroupfs, default is systemd
+# docker_cgroup_driver: systemd
+
+## Only set this if you have more than 3 nameservers:
+## If true Kubespray will only use the first 3, otherwise it will fail
+docker_dns_servers_strict: false
+
+# Path used to store Docker data
+docker_daemon_graph: "/var/lib/docker"
+
+## Used to set docker daemon iptables options to true
+docker_iptables_enabled: "false"
+
+# Docker log options
+# Rotate container stderr/stdout logs at 50m and keep last 5
+docker_log_opts: "--log-opt max-size=50m --log-opt max-file=5"
+
+# define docker bin_dir
+docker_bin_dir: "/usr/bin"
+
+# keep docker packages after installation; speeds up repeated ansible provisioning runs when '1'
+# kubespray deletes the docker package on each run, so caching the package makes sense
+docker_rpm_keepcache: 1
+
+## An obvious use case is allowing insecure-registry access to self hosted registries.
+## Can be ipaddress and domain_name.
+## example define 172.19.16.11 or mirror.registry.io
+# docker_insecure_registries:
+#   - mirror.registry.io
+#   - 172.19.16.11
+
+## Add other registry,example China registry mirror.
+# docker_registry_mirrors:
+#   - https://registry.docker-cn.com
+#   - https://mirror.aliyuncs.com
+
+## If non-empty will override default system MountFlags value.
+## This option takes a mount propagation flag: shared, slave
+## or private, which control whether mounts in the file system
+## namespace set up for docker will receive or propagate mounts
+## and unmounts. Leave empty for system default
+# docker_mount_flags:
+
+## A string of extra options to pass to the docker daemon.
+## This string should be exactly as you wish it to appear.
+# docker_options: ""

files/kubespray/inventory/kszk/group_vars/all/offline.yml

+---
+## Global Offline settings
+### Private Container Image Registry
+# registry_host: "myprivateregisry.com"
+# files_repo: "http://myprivatehttpd"
+### If using CentOS, RedHat, AlmaLinux or Fedora
+# yum_repo: "http://myinternalyumrepo"
+### If using Debian
+# debian_repo: "http://myinternaldebianrepo"
+### If using Ubuntu
+# ubuntu_repo: "http://myinternalubunturepo"
+
+## Container Registry overrides
+# kube_image_repo: "{{ registry_host }}"
+# gcr_image_repo: "{{ registry_host }}"
+# docker_image_repo: "{{ registry_host }}"
+# quay_image_repo: "{{ registry_host }}"
+
+## Kubernetes components
+# kubeadm_download_url: "{{ files_repo }}/kubernetes/{{ kube_version }}/kubeadm"
+# kubectl_download_url: "{{ files_repo }}/kubernetes/{{ kube_version }}/kubectl"
+# kubelet_download_url: "{{ files_repo }}/kubernetes/{{ kube_version }}/kubelet"
+
+## CNI Plugins
+# cni_download_url: "{{ files_repo }}/kubernetes/cni/cni-plugins-linux-{{ image_arch }}-{{ cni_version }}.tgz"
+
+## cri-tools
+# crictl_download_url: "{{ files_repo }}/kubernetes/cri-tools/crictl-{{ crictl_version }}-{{ ansible_system | lower }}-{{ image_arch }}.tar.gz"
+
+## [Optional] etcd: only if you **DON'T** use etcd_deployment=host
+# etcd_download_url: "{{ files_repo }}/kubernetes/etcd/etcd-{{ etcd_version }}-linux-amd64.tar.gz"
+
+# [Optional] Calico: If using Calico network plugin
+# calicoctl_download_url: "{{ files_repo }}/kubernetes/calico/{{ calico_ctl_version }}/calicoctl-linux-{{ image_arch }}"
+# [Optional] Calico with kdd: If using Calico network plugin with kdd datastore
+# calico_crds_download_url: "{{ files_repo }}/kubernetes/calico/{{ calico_version }}.tar.gz"
+
+# [Optional] helm: only if you set helm_enabled: true
+# helm_download_url: "{{ files_repo }}/helm-{{ helm_version }}-linux-{{ image_arch }}.tar.gz"
+
+# [Optional] crun: only if you set crun_enabled: true
+# crun_download_url: "{{ files_repo }}/containers/crun/releases/download/{{ crun_version }}/crun-{{ crun_version }}-linux-{{ image_arch }}"
+
+# [Optional] kata: only if you set kata_containers_enabled: true
+# kata_containers_download_url: "{{ files_repo }}/kata-containers/runtime/releases/download/{{ kata_containers_version }}/kata-static-{{ kata_containers_version }}-{{ ansible_architecture }}.tar.xz"
+
+## CentOS/Redhat/AlmaLinux
+### For EL7, base and extras repo must be available, for EL8, baseos and appstream
+### By default we enable those repo automatically
+# rhel_enable_repos: false
+### Docker / Containerd
+# docker_rh_repo_base_url: "{{ yum_repo }}/docker-ce/$releasever/$basearch"
+# docker_rh_repo_gpgkey: "{{ yum_repo }}/docker-ce/gpg"
+
+## Fedora
+### Docker
+# docker_fedora_repo_base_url: "{{ yum_repo }}/docker-ce/{{ ansible_distribution_major_version }}/{{ ansible_architecture }}"
+# docker_fedora_repo_gpgkey: "{{ yum_repo }}/docker-ce/gpg"
+### Containerd
+# containerd_fedora_repo_base_url: "{{ yum_repo }}/containerd"
+# containerd_fedora_repo_gpgkey: "{{ yum_repo }}/docker-ce/gpg"
+
+## Debian
+### Docker
+# docker_debian_repo_base_url: "{{ debian_repo }}/docker-ce"
+# docker_debian_repo_gpgkey: "{{ debian_repo }}/docker-ce/gpg"
+### Containerd
+# containerd_debian_repo_base_url: "{{ ubuntu_repo }}/containerd"
+# containerd_debian_repo_gpgkey: "{{ ubuntu_repo }}/containerd/gpg"
+# containerd_debian_repo_repokey: 'YOURREPOKEY'
+
+## Ubuntu
+### Docker
+# docker_ubuntu_repo_base_url: "{{ ubuntu_repo }}/docker-ce"
+# docker_ubuntu_repo_gpgkey: "{{ ubuntu_repo }}/docker-ce/gpg"
+### Containerd
+# containerd_ubuntu_repo_base_url: "{{ ubuntu_repo }}/containerd"
+# containerd_ubuntu_repo_gpgkey: "{{ ubuntu_repo }}/containerd/gpg"
+# containerd_ubuntu_repo_repokey: 'YOURREPOKEY'

files/kubespray/inventory/kszk/group_vars/etcd.yml

+---
+## Etcd auto compaction retention for mvcc key value store in hour
+# etcd_compaction_retention: 0
+
+## Set level of detail for etcd exported metrics, specify 'extensive' to include histogram metrics.
+# etcd_metrics: basic
+
+## Etcd is restricted by default to 512M on systems under 4GB RAM, 512MB is not enough for much more than testing.
+## Set this if your etcd nodes have less than 4GB but you want more RAM for etcd. Set to 0 for unrestricted RAM.
+# etcd_memory_limit: "512M"
+
+## Etcd has a default of 2G for its space quota. If you put a value in etcd_memory_limit which is less than
+## etcd_quota_backend_bytes, you may encounter out of memory terminations of the etcd cluster. Please check
+## etcd documentation for more information.
+# etcd_quota_backend_bytes: "2147483648"
+
+### ETCD: disable peer client cert authentication.
+# This affects ETCD_PEER_CLIENT_CERT_AUTH variable
+# etcd_peer_client_auth: true
+
+## Settings for etcd deployment type
+etcd_deployment_type: host

files/kubespray/inventory/kszk/group_vars/k8s_cluster/addons.yml

+---
+# Kubernetes dashboard
+# RBAC required. see docs/getting-started.md for access details.
+# dashboard_enabled: false
+
+# Helm deployment
+helm_enabled: false
+
+# Registry deployment
+registry_enabled: false
+# registry_namespace: kube-system
+# registry_storage_class: ""
+# registry_disk_size: "10Gi"
+
+# Metrics Server deployment
+metrics_server_enabled: false
+# metrics_server_kubelet_insecure_tls: true
+# metrics_server_metric_resolution: 60s
+# metrics_server_kubelet_preferred_address_types: "InternalIP"
+
+# Rancher Local Path Provisioner
+local_path_provisioner_enabled: false
+# local_path_provisioner_namespace: "local-path-storage"
+# local_path_provisioner_storage_class: "local-path"
+# local_path_provisioner_reclaim_policy: Delete
+# local_path_provisioner_claim_root: /opt/local-path-provisioner/
+# local_path_provisioner_debug: false
+# local_path_provisioner_image_repo: "rancher/local-path-provisioner"
+# local_path_provisioner_image_tag: "v0.0.19"
+# local_path_provisioner_helper_image_repo: "busybox"
+# local_path_provisioner_helper_image_tag: "latest"
+
+# Local volume provisioner deployment
+local_volume_provisioner_enabled: false
+# local_volume_provisioner_namespace: kube-system
+# local_volume_provisioner_nodelabels:
+#   - kubernetes.io/hostname
+#   - topology.kubernetes.io/region
+#   - topology.kubernetes.io/zone
+# local_volume_provisioner_storage_classes:
+#   local-storage:
+#     host_dir: /mnt/disks
+#     mount_dir: /mnt/disks
+#     volume_mode: Filesystem
+#     fs_type: ext4
+#   fast-disks:
+#     host_dir: /mnt/fast-disks
+#     mount_dir: /mnt/fast-disks
+#     block_cleaner_command:
+#       - "/scripts/shred.sh"
+#       - "2"
+#     volume_mode: Filesystem
+#     fs_type: ext4
+
+# CephFS provisioner deployment
+cephfs_provisioner_enabled: false
+# cephfs_provisioner_namespace: "cephfs-provisioner"
+# cephfs_provisioner_cluster: ceph
+# cephfs_provisioner_monitors: "172.24.0.1:6789,172.24.0.2:6789,172.24.0.3:6789"
+# cephfs_provisioner_admin_id: admin
+# cephfs_provisioner_secret: secret
+# cephfs_provisioner_storage_class: cephfs
+# cephfs_provisioner_reclaim_policy: Delete
+# cephfs_provisioner_claim_root: /volumes
+# cephfs_provisioner_deterministic_names: true
+
+# RBD provisioner deployment
+rbd_provisioner_enabled: false
+# rbd_provisioner_namespace: rbd-provisioner
+# rbd_provisioner_replicas: 2
+# rbd_provisioner_monitors: "172.24.0.1:6789,172.24.0.2:6789,172.24.0.3:6789"
+# rbd_provisioner_pool: kube
+# rbd_provisioner_admin_id: admin
+# rbd_provisioner_secret_name: ceph-secret-admin
+# rbd_provisioner_secret: ceph-key-admin
+# rbd_provisioner_user_id: kube
+# rbd_provisioner_user_secret_name: ceph-secret-user
+# rbd_provisioner_user_secret: ceph-key-user
+# rbd_provisioner_user_secret_namespace: rbd-provisioner
+# rbd_provisioner_fs_type: ext4
+# rbd_provisioner_image_format: "2"
+# rbd_provisioner_image_features: layering
+# rbd_provisioner_storage_class: rbd
+# rbd_provisioner_reclaim_policy: Delete
+
+# Nginx ingress controller deployment
+ingress_nginx_enabled: false
+# ingress_nginx_host_network: false
+ingress_publish_status_address: ""
+# ingress_nginx_nodeselector:
+#   kubernetes.io/os: "linux"
+# ingress_nginx_tolerations:
+#   - key: "node-role.kubernetes.io/master"
+#     operator: "Equal"
+#     value: ""
+#     effect: "NoSchedule"
+#   - key: "node-role.kubernetes.io/control-plane"
+#     operator: "Equal"
+#     value: ""
+#     effect: "NoSchedule"
+# ingress_nginx_namespace: "ingress-nginx"
+# ingress_nginx_insecure_port: 80
+# ingress_nginx_secure_port: 443
+# ingress_nginx_configmap:
+#   map-hash-bucket-size: "128"
+#   ssl-protocols: "TLSv1.2 TLSv1.3"
+# ingress_nginx_configmap_tcp_services:
+#   9000: "default/example-go:8080"
+# ingress_nginx_configmap_udp_services:
+#   53: "kube-system/coredns:53"
+# ingress_nginx_extra_args:
+#   - --default-ssl-certificate=default/foo-tls
+# ingress_nginx_class: nginx
+
+# ambassador ingress controller deployment
+ingress_ambassador_enabled: false
+# ingress_ambassador_namespace: "ambassador"
+# ingress_ambassador_version: "*"
+# ingress_ambassador_multi_namespaces: false
+
+# ALB ingress controller deployment
+ingress_alb_enabled: false
+# alb_ingress_aws_region: "us-east-1"
+# alb_ingress_restrict_scheme: "false"
+# Enables logging on all outbound requests sent to the AWS API.
+# If logging is desired, set to true.
+# alb_ingress_aws_debug: "false"
+
+# Cert manager deployment
+cert_manager_enabled: false # sounds good; doesn't work - Mike, 2021
+cert_manager_namespace: "cert-manager"
+
+# MetalLB deployment
+metallb_enabled: true
+metallb_speaker_enabled: true
+metallb_ip_range:
+  - "172.31.3.1-172.31.3.254"
+# metallb_speaker_nodeselector:
+#   kubernetes.io/os: "linux"
+# metallb_controller_nodeselector:
+#   kubernetes.io/os: "linux"
+# metallb_speaker_tolerations:
+#   - key: "node-role.kubernetes.io/master"
+#     operator: "Equal"
+#     value: ""
+#     effect: "NoSchedule"
+#   - key: "node-role.kubernetes.io/control-plane"
+#     operator: "Equal"
+#     value: ""
+#     effect: "NoSchedule"
+# metallb_controller_tolerations:
+#   - key: "node-role.kubernetes.io/master"
+#     operator: "Equal"
+#     value: ""
+#     effect: "NoSchedule"
+#   - key: "node-role.kubernetes.io/control-plane"
+#     operator: "Equal"
+#     value: ""
+#     effect: "NoSchedule"
+# metallb_version: v0.9.6
+# metallb_protocol: "layer2"
+# metallb_port: "7472"
+# metallb_limits_cpu: "100m"
+# metallb_limits_mem: "100Mi"
+# metallb_additional_address_pools:
+#   kube_service_pool:
+#     ip_range:
+#       - "10.5.1.50-10.5.1.99"
+#     protocol: "layer2"
+#     auto_assign: false
+# metallb_protocol: "bgp"
+# metallb_peers:
+#   - peer_address: 192.0.2.1
+#     peer_asn: 64512
+#     my_asn: 4200000000
+#   - peer_address: 192.0.2.2
+#     peer_asn: 64513
+#     my_asn: 4200000000
+
+# The plugin manager for kubectl
+krew_enabled: false
+krew_root_dir: "/usr/local/krew"

files/kubespray/inventory/kszk/group_vars/k8s_cluster/k8s-cluster.yml

+---
+# Kubernetes configuration dirs and system namespace.
+# Those are where all the additional config stuff goes
+# the kubernetes normally puts in /srv/kubernetes.
+# This puts them in a sane location and namespace.
+# Editing those values will almost surely break something.
+kube_config_dir: /etc/kubernetes
+kube_script_dir: "{{ bin_dir }}/kubernetes-scripts"
+kube_manifest_dir: "{{ kube_config_dir }}/manifests"
+
+# This is where all the cert scripts and certs will be located
+kube_cert_dir: "{{ kube_config_dir }}/ssl"
+
+# This is where all of the bearer tokens will be stored
+kube_token_dir: "{{ kube_config_dir }}/tokens"
+