diff --git a/.gitignore b/.gitignore index a09c56d..f7f8ac3 100644 --- a/.gitignore +++ b/.gitignore @@ -1 +1,2 @@ -/.idea +/.idea/ +/vendor/ diff --git a/ansible/kubespray/.gitignore b/ansible/kubespray/.gitignore new file mode 100644 index 0000000..41182bb --- /dev/null +++ b/ansible/kubespray/.gitignore @@ -0,0 +1,2 @@ +/credentials/ +/inventory.ini diff --git a/ansible/kubespray/group_vars/all/all.yml b/ansible/kubespray/group_vars/all/all.yml new file mode 100644 index 0000000..9bb0b26 --- /dev/null +++ b/ansible/kubespray/group_vars/all/all.yml @@ -0,0 +1,133 @@ +--- +ansible_become: true +ansible_user: ubuntu + +## 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: "elb.some.domain" +# 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" + +## 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', 'vsphere' and 'hcloud' +## 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: true + +## 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 + +# sysctl_file_path to add sysctl conf to +# sysctl_file_path: "/etc/sysctl.d/99-sysctl.conf" + +## Variables for webhook token auth https://kubernetes.io/docs/reference/access-authn-authz/authentication/#webhook-token-authentication +kube_webhook_token_auth: false +kube_webhook_token_auth_url_skip_tls_verify: false +# kube_webhook_token_auth_url: https://... +## base64-encoded string of the webhook's CA certificate +# kube_webhook_token_auth_ca_data: "LS0t..." + +## NTP Settings +# Start the ntpd or chrony service and enable it at system boot. +ntp_enabled: false +ntp_manage_config: false +ntp_servers: + - "0.pool.ntp.org iburst" + - "1.pool.ntp.org iburst" + - "2.pool.ntp.org iburst" + - "3.pool.ntp.org iburst" + +## Used to control no_log attribute +unsafe_show_logs: false diff --git a/ansible/kubespray/group_vars/all/docker.yml b/ansible/kubespray/group_vars/all/docker.yml new file mode 100644 index 0000000..4e968c3 --- /dev/null +++ b/ansible/kubespray/group_vars/all/docker.yml @@ -0,0 +1,59 @@ +--- +## 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: "" diff --git a/ansible/kubespray/group_vars/all/etcd.yml b/ansible/kubespray/group_vars/all/etcd.yml new file mode 100644 index 0000000..39600c3 --- /dev/null +++ b/ansible/kubespray/group_vars/all/etcd.yml @@ -0,0 +1,16 @@ +--- +## Directory where etcd data stored +etcd_data_dir: /var/lib/etcd + +## Container runtime +## docker for docker, crio for cri-o and containerd for containerd. +## Additionally you can set this to kubeadm if you want to install etcd using kubeadm +## Kubeadm etcd deployment is experimental and only available for new deployments +## If this is not set, container manager will be inherited from the Kubespray defaults +## and not from k8s_cluster/k8s-cluster.yml, which might not be what you want. +## Also this makes possible to use different container manager for etcd nodes. +# container_manager: containerd + +## Settings for etcd deployment type +# Set this to docker if you are using container_manager: docker +etcd_deployment_type: host diff --git a/ansible/kubespray/group_vars/k8s_cluster/addons.yml b/ansible/kubespray/group_vars/k8s_cluster/addons.yml new file mode 100644 index 0000000..6906a86 --- /dev/null +++ b/ansible/kubespray/group_vars/k8s_cluster/addons.yml @@ -0,0 +1,110 @@ +# 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_termination_grace_period_seconds: 300 +# ingress_nginx_class: nginx + +# 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 +# cert_manager_namespace: "cert-manager" +# cert_manager_tolerations: +# - key: node-role.kubernetes.io/master +# effect: NoSchedule +# - key: node-role.kubernetes.io/control-plane +# effect: NoSchedule +# cert_manager_affinity: +# nodeAffinity: +# preferredDuringSchedulingIgnoredDuringExecution: +# - weight: 100 +# preference: +# matchExpressions: +# - key: node-role.kubernetes.io/control-plane +# operator: In +# values: +# - "" +# cert_manager_nodeselector: +# kubernetes.io/os: "linux" + +# cert_manager_trusted_internal_ca: | +# -----BEGIN CERTIFICATE----- +# [REPLACE with your CA certificate] +# -----END CERTIFICATE----- +# cert_manager_leader_election_namespace: kube-system + +# MetalLB deployment +metallb_enabled: false +metallb_speaker_enabled: true +# metallb_ip_range: +# - "10.5.0.50-10.5.0.99" +# metallb_pool_name: "loadbalanced" +# metallb_auto_assign: true +# metallb_avoid_buggy_ips: false +# 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: v0.12.1 +# metallb_protocol: "layer2" +# metallb_port: "7472" +# metallb_memberlist_port: "7946" +# metallb_additional_address_pools: +# kube_service_pool: +# ip_range: +# - "10.5.1.50-10.5.1.99" +# protocol: "layer2" +# auto_assign: false +# avoid_buggy_ips: 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 + +argocd_enabled: false +# argocd_version: v2.4.12 +# argocd_namespace: argocd +# Default password: +# - https://argo-cd.readthedocs.io/en/stable/getting_started/#4-login-using-the-cli +# --- +# The initial password is autogenerated to be the pod name of the Argo CD API server. This can be retrieved with the command: +# kubectl get pods -n argocd -l app.kubernetes.io/name=argocd-server -o name | cut -d'/' -f 2 +# --- +# Use the following var to set admin password +# argocd_admin_password: "password" + +# The plugin manager for kubectl +krew_enabled: false +krew_root_dir: "/usr/local/krew" diff --git a/ansible/kubespray/group_vars/k8s_cluster/k8s-cluster.yml b/ansible/kubespray/group_vars/k8s_cluster/k8s-cluster.yml new file mode 100644 index 0000000..f18cdd1 --- /dev/null +++ b/ansible/kubespray/group_vars/k8s_cluster/k8s-cluster.yml @@ -0,0 +1,341 @@ +--- +# 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" + +kube_api_anonymous_auth: true + +## Change this to use another Kubernetes version, e.g. a current beta release +kube_version: v1.24.6 + +# Where the binaries will be downloaded. +# Note: ensure that you've enough disk space (about 1G) +local_release_dir: "/tmp/releases" +# Random shifts for retrying failed ops like pushing/downloading +retry_stagger: 5 + +# This is the user that owns tha cluster installation. +kube_owner: kube + +# This is the group that the cert creation scripts chgrp the +# cert files to. Not really changeable... +kube_cert_group: kube-cert + +# Cluster Loglevel configuration +kube_log_level: 2 + +# Directory where credentials will be stored +credentials_dir: "{{ inventory_dir }}/credentials" + +## It is possible to activate / deactivate selected authentication methods (oidc, static token auth) +# kube_oidc_auth: false +# kube_token_auth: false + + +## Variables for OpenID Connect Configuration https://kubernetes.io/docs/admin/authentication/ +## To use OpenID you have to deploy additional an OpenID Provider (e.g Dex, Keycloak, ...) + +# kube_oidc_url: https:// ... +# kube_oidc_client_id: kubernetes +## Optional settings for OIDC +# kube_oidc_ca_file: "{{ kube_cert_dir }}/ca.pem" +# kube_oidc_username_claim: sub +# kube_oidc_username_prefix: 'oidc:' +# kube_oidc_groups_claim: groups +# kube_oidc_groups_prefix: 'oidc:' + +## Variables to control webhook authn/authz +# kube_webhook_token_auth: false +# kube_webhook_token_auth_url: https://... +# kube_webhook_token_auth_url_skip_tls_verify: false + +## For webhook authorization, authorization_modes must include Webhook +# kube_webhook_authorization: false +# kube_webhook_authorization_url: https://... +# kube_webhook_authorization_url_skip_tls_verify: false + +# Choose network plugin (cilium, calico, kube-ovn, weave or flannel. Use cni for generic cni plugin) +# Can also be set to 'cloud', which lets the cloud provider setup appropriate routing +kube_network_plugin: calico + +# Setting multi_networking to true will install Multus: https://github.com/intel/multus-cni +kube_network_plugin_multus: false + +# Kubernetes internal network for services, unused block of space. +kube_service_addresses: 10.233.0.0/18 + +# internal network. When used, it will assign IP +# addresses from this range to individual pods. +# This network must be unused in your network infrastructure! +kube_pods_subnet: 10.233.64.0/18 + +# internal network node size allocation (optional). This is the size allocated +# to each node for pod IP address allocation. Note that the number of pods per node is +# also limited by the kubelet_max_pods variable which defaults to 110. +# +# Example: +# Up to 64 nodes and up to 254 or kubelet_max_pods (the lowest of the two) pods per node: +# - kube_pods_subnet: 10.233.64.0/18 +# - kube_network_node_prefix: 24 +# - kubelet_max_pods: 110 +# +# Example: +# Up to 128 nodes and up to 126 or kubelet_max_pods (the lowest of the two) pods per node: +# - kube_pods_subnet: 10.233.64.0/18 +# - kube_network_node_prefix: 25 +# - kubelet_max_pods: 110 +kube_network_node_prefix: 24 + +# Configure Dual Stack networking (i.e. both IPv4 and IPv6) +enable_dual_stack_networks: false + +# Kubernetes internal network for IPv6 services, unused block of space. +# This is only used if enable_dual_stack_networks is set to true +# This provides 4096 IPv6 IPs +kube_service_addresses_ipv6: fd85:ee78:d8a6:8607::1000/116 + +# Internal network. When used, it will assign IPv6 addresses from this range to individual pods. +# This network must not already be in your network infrastructure! +# This is only used if enable_dual_stack_networks is set to true. +# This provides room for 256 nodes with 254 pods per node. +kube_pods_subnet_ipv6: fd85:ee78:d8a6:8607::1:0000/112 + +# IPv6 subnet size allocated to each for pods. +# This is only used if enable_dual_stack_networks is set to true +# This provides room for 254 pods per node. +kube_network_node_prefix_ipv6: 120 + +# The port the API Server will be listening on. +kube_apiserver_ip: "{{ kube_service_addresses|ipaddr('net')|ipaddr(1)|ipaddr('address') }}" +kube_apiserver_port: 6443 # (https) + +# Kube-proxy proxyMode configuration. +# Can be ipvs, iptables +kube_proxy_mode: ipvs + +# configure arp_ignore and arp_announce to avoid answering ARP queries from kube-ipvs0 interface +# must be set to true for MetalLB, kube-vip(ARP enabled) to work +kube_proxy_strict_arp: false + +# A string slice of values which specify the addresses to use for NodePorts. +# Values may be valid IP blocks (e.g. 1.2.3.0/24, 1.2.3.4/32). +# The default empty string slice ([]) means to use all local addresses. +# kube_proxy_nodeport_addresses_cidr is retained for legacy config +kube_proxy_nodeport_addresses: >- + {%- if kube_proxy_nodeport_addresses_cidr is defined -%} + [{{ kube_proxy_nodeport_addresses_cidr }}] + {%- else -%} + [] + {%- endif -%} + +# If non-empty, will use this string as identification instead of the actual hostname +# kube_override_hostname: >- +# {%- if cloud_provider is defined and cloud_provider in [ 'aws' ] -%} +# {%- else -%} +# {{ inventory_hostname }} +# {%- endif -%} + +## Encrypting Secret Data at Rest +kube_encrypt_secret_data: false + +# Graceful Node Shutdown (Kubernetes >= 1.21.0), see https://kubernetes.io/blog/2021/04/21/graceful-node-shutdown-beta/ +# kubelet_shutdown_grace_period had to be greater than kubelet_shutdown_grace_period_critical_pods to allow +# non-critical podsa to also terminate gracefully +# kubelet_shutdown_grace_period: 60s +# kubelet_shutdown_grace_period_critical_pods: 20s + +# DNS configuration. +# Kubernetes cluster name, also will be used as DNS domain +cluster_name: cluster.local +# Subdomains of DNS domain to be resolved via /etc/resolv.conf for hostnet pods +ndots: 2 +# dns_timeout: 2 +# dns_attempts: 2 +# Custom search domains to be added in addition to the default cluster search domains +# searchdomains: +# - svc.{{ cluster_name }} +# - default.svc.{{ cluster_name }} +# Remove default cluster search domains (``default.svc.{{ dns_domain }}, svc.{{ dns_domain }}``). +# remove_default_searchdomains: false +# Can be coredns, coredns_dual, manual or none +dns_mode: coredns +# Set manual server if using a custom cluster DNS server +# manual_dns_server: 10.x.x.x +# Enable nodelocal dns cache +enable_nodelocaldns: true +enable_nodelocaldns_secondary: false +nodelocaldns_ip: 169.254.25.10 +nodelocaldns_health_port: 9254 +nodelocaldns_second_health_port: 9256 +nodelocaldns_bind_metrics_host_ip: false +nodelocaldns_secondary_skew_seconds: 5 +# nodelocaldns_external_zones: +# - zones: +# - example.com +# - example.io:1053 +# nameservers: +# - 1.1.1.1 +# - 2.2.2.2 +# cache: 5 +# - zones: +# - https://mycompany.local:4453 +# nameservers: +# - 192.168.0.53 +# cache: 0 +# - zones: +# - mydomain.tld +# nameservers: +# - 10.233.0.3 +# cache: 5 +# rewrite: +# - name website.tld website.namespace.svc.cluster.local +# Enable k8s_external plugin for CoreDNS +enable_coredns_k8s_external: false +coredns_k8s_external_zone: k8s_external.local +# Enable endpoint_pod_names option for kubernetes plugin +enable_coredns_k8s_endpoint_pod_names: false + +# Can be docker_dns, host_resolvconf or none +resolvconf_mode: host_resolvconf +# Deploy netchecker app to verify DNS resolve as an HTTP service +deploy_netchecker: false +# Ip address of the kubernetes skydns service +skydns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(3)|ipaddr('address') }}" +skydns_server_secondary: "{{ kube_service_addresses|ipaddr('net')|ipaddr(4)|ipaddr('address') }}" +dns_domain: "{{ cluster_name }}" + +## Container runtime +## docker for docker, crio for cri-o and containerd for containerd. +## Default: containerd +container_manager: containerd + +# Additional container runtimes +kata_containers_enabled: false + +kubeadm_certificate_key: "{{ lookup('password', credentials_dir + '/kubeadm_certificate_key.creds length=64 chars=hexdigits') | lower }}" + +# K8s image pull policy (imagePullPolicy) +k8s_image_pull_policy: IfNotPresent + +# audit log for kubernetes +kubernetes_audit: false + +# define kubelet config dir for dynamic kubelet +# kubelet_config_dir: +default_kubelet_config_dir: "{{ kube_config_dir }}/dynamic_kubelet_dir" + +# pod security policy (RBAC must be enabled either by having 'RBAC' in authorization_modes or kubeadm enabled) +podsecuritypolicy_enabled: false + +# Custom PodSecurityPolicySpec for restricted policy +# podsecuritypolicy_restricted_spec: {} + +# Custom PodSecurityPolicySpec for privileged policy +# podsecuritypolicy_privileged_spec: {} + +# Make a copy of kubeconfig on the host that runs Ansible in {{ inventory_dir }}/artifacts +# kubeconfig_localhost: false +# Use ansible_host as external api ip when copying over kubeconfig. +# kubeconfig_localhost_ansible_host: false +# Download kubectl onto the host that runs Ansible in {{ bin_dir }} +# kubectl_localhost: false + +# A comma separated list of levels of node allocatable enforcement to be enforced by kubelet. +# Acceptable options are 'pods', 'system-reserved', 'kube-reserved' and ''. Default is "". +# kubelet_enforce_node_allocatable: pods + +## Optionally reserve resources for OS system daemons. +# system_reserved: true +## Uncomment to override default values +# system_memory_reserved: 512Mi +# system_cpu_reserved: 500m +# system_ephemeral_storage_reserved: 2Gi +## Reservation for master hosts +# system_master_memory_reserved: 256Mi +# system_master_cpu_reserved: 250m +# system_master_ephemeral_storage_reserved: 2Gi + +## Eviction Thresholds to avoid system OOMs +# https://kubernetes.io/docs/tasks/administer-cluster/reserve-compute-resources/#eviction-thresholds +# eviction_hard: {} +# eviction_hard_control_plane: {} + +# An alternative flexvolume plugin directory +# kubelet_flexvolumes_plugins_dir: /usr/libexec/kubernetes/kubelet-plugins/volume/exec + +## Supplementary addresses that can be added in kubernetes ssl keys. +## That can be useful for example to setup a keepalived virtual IP +supplementary_addresses_in_ssl_keys: ["{{ hostvars['control'].ansible_host }}"] + +## Running on top of openstack vms with cinder enabled may lead to unschedulable pods due to NoVolumeZoneConflict restriction in kube-scheduler. +## See https://github.com/kubernetes-sigs/kubespray/issues/2141 +## Set this variable to true to get rid of this issue +volume_cross_zone_attachment: false +## Add Persistent Volumes Storage Class for corresponding cloud provider (supported: in-tree OpenStack, Cinder CSI, +## AWS EBS CSI, Azure Disk CSI, GCP Persistent Disk CSI) +persistent_volumes_enabled: false + +## Container Engine Acceleration +## Enable container acceleration feature, for example use gpu acceleration in containers +# nvidia_accelerator_enabled: true +## Nvidia GPU driver install. Install will by done by a (init) pod running as a daemonset. +## Important: if you use Ubuntu then you should set in all.yml 'docker_storage_options: -s overlay2' +## Array with nvida_gpu_nodes, leave empty or comment if you don't want to install drivers. +## Labels and taints won't be set to nodes if they are not in the array. +# nvidia_gpu_nodes: +# - kube-gpu-001 +# nvidia_driver_version: "384.111" +## flavor can be tesla or gtx +# nvidia_gpu_flavor: gtx +## NVIDIA driver installer images. Change them if you have trouble accessing gcr.io. +# nvidia_driver_install_centos_container: atzedevries/nvidia-centos-driver-installer:2 +# nvidia_driver_install_ubuntu_container: gcr.io/google-containers/ubuntu-nvidia-driver-installer@sha256:7df76a0f0a17294e86f691c81de6bbb7c04a1b4b3d4ea4e7e2cccdc42e1f6d63 +## NVIDIA GPU device plugin image. +# nvidia_gpu_device_plugin_container: "registry.k8s.io/nvidia-gpu-device-plugin@sha256:0842734032018be107fa2490c98156992911e3e1f2a21e059ff0105b07dd8e9e" + +## Support tls min version, Possible values: VersionTLS10, VersionTLS11, VersionTLS12, VersionTLS13. +# tls_min_version: "" + +## Support tls cipher suites. +# tls_cipher_suites: {} +# - TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA +# - TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 +# - TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 +# - TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA +# - TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 +# - TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305 +# - TLS_ECDHE_ECDSA_WITH_RC4_128_SHA +# - TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA +# - TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA +# - TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 +# - TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 +# - TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA +# - TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 +# - TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305 +# - TLS_ECDHE_RSA_WITH_RC4_128_SHA +# - TLS_RSA_WITH_3DES_EDE_CBC_SHA +# - TLS_RSA_WITH_AES_128_CBC_SHA +# - TLS_RSA_WITH_AES_128_CBC_SHA256 +# - TLS_RSA_WITH_AES_128_GCM_SHA256 +# - TLS_RSA_WITH_AES_256_CBC_SHA +# - TLS_RSA_WITH_AES_256_GCM_SHA384 +# - TLS_RSA_WITH_RC4_128_SHA + +## Amount of time to retain events. (default 1h0m0s) +event_ttl_duration: "1h0m0s" + +## Automatically renew K8S control plane certificates on first Monday of each month +auto_renew_certificates: false +# First Monday of each month +# auto_renew_certificates_systemd_calendar: "Mon *-*-1,2,3,4,5,6,7 03:{{ groups['kube_control_plane'].index(inventory_hostname) }}0:00" diff --git a/ansible/kubespray/group_vars/k8s_cluster/k8s-net-calico.yml b/ansible/kubespray/group_vars/k8s_cluster/k8s-net-calico.yml new file mode 100644 index 0000000..a463350 --- /dev/null +++ b/ansible/kubespray/group_vars/k8s_cluster/k8s-net-calico.yml @@ -0,0 +1,127 @@ +--- +# see roles/network_plugin/calico/defaults/main.yml + +# the default value of name +calico_cni_name: k8s-pod-network + +## With calico it is possible to distributed routes with border routers of the datacenter. +## Warning : enabling router peering will disable calico's default behavior ('node mesh'). +## The subnets of each nodes will be distributed by the datacenter router +# peer_with_router: false + +# Enables Internet connectivity from containers +# nat_outgoing: true + +# Enables Calico CNI "host-local" IPAM plugin +# calico_ipam_host_local: true + +# add default ippool name +# calico_pool_name: "default-pool" + +# add default ippool blockSize (defaults kube_network_node_prefix) +calico_pool_blocksize: 26 + +# add default ippool CIDR (must be inside kube_pods_subnet, defaults to kube_pods_subnet otherwise) +# calico_pool_cidr: 1.2.3.4/5 + +# add default ippool CIDR to CNI config +# calico_cni_pool: true + +# Add default IPV6 IPPool CIDR. Must be inside kube_pods_subnet_ipv6. Defaults to kube_pods_subnet_ipv6 if not set. +# calico_pool_cidr_ipv6: fd85:ee78:d8a6:8607::1:0000/112 + +# Add default IPV6 IPPool CIDR to CNI config +# calico_cni_pool_ipv6: true + +# Global as_num (/calico/bgp/v1/global/as_num) +# global_as_num: "64512" + +# If doing peering with node-assigned asn where the globas does not match your nodes, you want this +# to be true. All other cases, false. +# calico_no_global_as_num: false + +# You can set MTU value here. If left undefined or empty, it will +# not be specified in calico CNI config, so Calico will use built-in +# defaults. The value should be a number, not a string. +# calico_mtu: 1500 + +# Configure the MTU to use for workload interfaces and tunnels. +# - If Wireguard is enabled, subtract 60 from your network MTU (i.e 1500-60=1440) +# - Otherwise, if VXLAN or BPF mode is enabled, subtract 50 from your network MTU (i.e. 1500-50=1450) +# - Otherwise, if IPIP is enabled, subtract 20 from your network MTU (i.e. 1500-20=1480) +# - Otherwise, if not using any encapsulation, set to your network MTU (i.e. 1500) +# calico_veth_mtu: 1440 + +# Advertise Cluster IPs +# calico_advertise_cluster_ips: true + +# Advertise Service External IPs +# calico_advertise_service_external_ips: +# - x.x.x.x/24 +# - y.y.y.y/32 + +# Advertise Service LoadBalancer IPs +# calico_advertise_service_loadbalancer_ips: +# - x.x.x.x/24 +# - y.y.y.y/16 + +# Choose data store type for calico: "etcd" or "kdd" (kubernetes datastore) +# calico_datastore: "kdd" + +# Choose Calico iptables backend: "Legacy", "Auto" or "NFT" +# calico_iptables_backend: "Auto" + +# Use typha (only with kdd) +# typha_enabled: false + +# Generate TLS certs for secure typha<->calico-node communication +# typha_secure: false + +# Scaling typha: 1 replica per 100 nodes is adequate +# Number of typha replicas +# typha_replicas: 1 + +# Set max typha connections +# typha_max_connections_lower_limit: 300 + +# Set calico network backend: "bird", "vxlan" or "none" +# bird enable BGP routing, required for ipip and no encapsulation modes +# calico_network_backend: vxlan + +# IP in IP and VXLAN is mutualy exclusive modes. +# set IP in IP encapsulation mode: "Always", "CrossSubnet", "Never" +# calico_ipip_mode: 'Never' + +# set VXLAN encapsulation mode: "Always", "CrossSubnet", "Never" +# calico_vxlan_mode: 'Always' + +# set VXLAN port and VNI +# calico_vxlan_vni: 4096 +# calico_vxlan_port: 4789 + +# Enable eBPF mode +# calico_bpf_enabled: false + +# If you want to use non default IP_AUTODETECTION_METHOD, IP6_AUTODETECTION_METHOD for calico node set this option to one of: +# * can-reach=DESTINATION +# * interface=INTERFACE-REGEX +# see https://docs.projectcalico.org/reference/node/configuration +# calico_ip_auto_method: "interface=eth.*" +# calico_ip6_auto_method: "interface=eth.*" + +# Choose the iptables insert mode for Calico: "Insert" or "Append". +# calico_felix_chaininsertmode: Insert + +# If you want use the default route interface when you use multiple interface with dynamique route (iproute2) +# see https://docs.projectcalico.org/reference/node/configuration : FELIX_DEVICEROUTESOURCEADDRESS +# calico_use_default_route_src_ipaddr: false + +# Enable calico traffic encryption with wireguard +# calico_wireguard_enabled: false + +# Under certain situations liveness and readiness probes may need tunning +# calico_node_livenessprobe_timeout: 10 +# calico_node_readinessprobe_timeout: 10 + +# Calico apiserver (only with kdd) +# calico_apiserver_enabled: false diff --git a/ansible/kubespray/group_vars/k8s_cluster/k8s-net-kube-ovn.yml b/ansible/kubespray/group_vars/k8s_cluster/k8s-net-kube-ovn.yml new file mode 100644 index 0000000..d580e15 --- /dev/null +++ b/ansible/kubespray/group_vars/k8s_cluster/k8s-net-kube-ovn.yml @@ -0,0 +1,57 @@ +--- + +# geneve or vlan +kube_ovn_network_type: geneve + +# geneve, vxlan or stt. ATTENTION: some networkpolicy cannot take effect when using vxlan and stt need custom compile ovs kernel module +kube_ovn_tunnel_type: geneve + +## The nic to support container network can be a nic name or a group of regex separated by comma e.g: 'enp6s0f0,eth.*', if empty will use the nic that the default route use. +# kube_ovn_iface: eth1 +## The MTU used by pod iface in overlay networks (default iface MTU - 100) +# kube_ovn_mtu: 1333 + +## Enable hw-offload, disable traffic mirror and set the iface to the physical port. Make sure that there is an IP address bind to the physical port. +kube_ovn_hw_offload: false +# traffic mirror +kube_ovn_traffic_mirror: false + +# kube_ovn_pool_cidr_ipv6: fd85:ee78:d8a6:8607::1:0000/112 +# kube_ovn_default_interface_name: eth0 + +kube_ovn_external_address: 8.8.8.8 +kube_ovn_external_address_ipv6: 2400:3200::1 +kube_ovn_external_dns: alauda.cn + +# kube_ovn_default_gateway: 10.233.64.1,fd85:ee78:d8a6:8607::1:0 +kube_ovn_default_gateway_check: true +kube_ovn_default_logical_gateway: false +# kube_ovn_default_exclude_ips: 10.16.0.1 +kube_ovn_node_switch_cidr: 100.64.0.0/16 +kube_ovn_node_switch_cidr_ipv6: fd00:100:64::/64 + +## vlan config, set default interface name and vlan id +# kube_ovn_default_interface_name: eth0 +kube_ovn_default_vlan_id: 100 +kube_ovn_vlan_name: product + +## pod nic type, support: veth-pair or internal-port +kube_ovn_pod_nic_type: veth_pair + +## Enable load balancer +kube_ovn_enable_lb: true + +## Enable network policy support +kube_ovn_enable_np: true + +## Enable external vpc support +kube_ovn_enable_external_vpc: true + +## Enable checksum +kube_ovn_encap_checksum: true + +## enable ssl +kube_ovn_enable_ssl: false + +## dpdk +kube_ovn_dpdk_enabled: false diff --git a/ansible/kubespray/group_vars/k8s_cluster/k8s-net-macvlan.yml b/ansible/kubespray/group_vars/k8s_cluster/k8s-net-macvlan.yml new file mode 100644 index 0000000..d2534e7 --- /dev/null +++ b/ansible/kubespray/group_vars/k8s_cluster/k8s-net-macvlan.yml @@ -0,0 +1,6 @@ +--- +# private interface, on a l2-network +macvlan_interface: "eth1" + +# Enable nat in default gateway network interface +enable_nat_default_gateway: true diff --git a/ansible/kubespray_init/group_vars/all/all.yml b/ansible/kubespray_init/group_vars/all/all.yml new file mode 100644 index 0000000..0af8aad --- /dev/null +++ b/ansible/kubespray_init/group_vars/all/all.yml @@ -0,0 +1,2 @@ +--- +kubespray_version: v2.21.0 diff --git a/ansible/kubespray_init/inventory b/ansible/kubespray_init/inventory new file mode 100644 index 0000000..f27f9b6 --- /dev/null +++ b/ansible/kubespray_init/inventory @@ -0,0 +1,2 @@ +[server] +localhost ansible_connection=local diff --git a/kubespray_init.yml b/kubespray_init.yml new file mode 100644 index 0000000..982ede6 --- /dev/null +++ b/kubespray_init.yml @@ -0,0 +1,29 @@ +--- +- name: Initialize kubespray configuration + hosts: all + gather_facts: false + tasks: + - name: Terraform - get current state + ansible.builtin.command: + chdir: "{{ playbook_dir }}/terraform" + cmd: terraform show -json + register: terraform_current_state + - name: Terraform - set node ips from state + set_fact: + kube_control_node_host={{ terraform_current_state.stdout|from_json|json_query('values.outputs.cluster_ips.value.external[0]') }} + kube_worker_1_node_host={{ terraform_current_state.stdout|from_json|json_query('values.outputs.cluster_ips.value.external[1]') }} + kube_worker_2_node_host={{ terraform_current_state.stdout|from_json|json_query('values.outputs.cluster_ips.value.external[2]') }} + + - name: Kubespray - initialize inventory + ansible.builtin.template: + src: "{{ playbook_dir }}/templates/kubespray/inventory.ini.j2" + dest: "{{ playbook_dir }}/ansible/kubespray/inventory.ini" + - name: Kubespray - get source code + ansible.builtin.git: + repo: "https://github.com/kubernetes-sigs/kubespray.git" + dest: "{{ playbook_dir }}/vendor/kubespray" + version: "{{ kubespray_version }}" + - name: Kubespray - install requirements + ansible.builtin.pip: + chdir: "{{ playbook_dir }}/vendor/kubespray" + requirements: requirements.txt diff --git a/readme.md b/readme.md index 69ec9b1..a68cf30 100644 --- a/readme.md +++ b/readme.md @@ -6,8 +6,50 @@ ### Инициализация конфигурации terraform +* [ansible playbook `terraform_init.yml`](/terraform_init.yml) +* [ansible inventory](/ansible/terraform_init) + +Запуск: + ```shell ansible-playbook --ask-vault-pass -i ansible/terraform_init terraform_init.yml ``` После этого возможно использование команд `terraform` из директории [terraform](/terraform). + +__NOTES__: +* время жизни токена ограничено, поэтому при истечении данного времени необходимо заново запустить данный playbook. + +### Деплой инфраструктуры + +Из директории [terraform](./terraform): + +```shell +terraform plan +terraform apply +``` + +### Инициализация конфигурации kubespray + +* [ansible playbook `kubespray_init.yml`](/kubespray_init.yml) +* [ansible inventory](/ansible/kubespray_init) + +Запуск: + +```shell +ansible-playbook -i ansible/kubespray_init kubespray_init.yml +``` + +__NOTES__: +* на данном этапе необходимо, чтобы инфрастуктура уже была задеплоена через `terraform`. + +### Запуск kubespray: установка кластера kubernetes + +* [ansible playbook `vendor/kubespray/cluster.yml`](/vendor/kubespray/cluster.yml) (будет создан на этапе конфигурации kubespray) +* [ansible inventory](/ansible/kubespray) (сам файл `inventory.ini` будет создан на этапе конфигурации kubespray) + +Запуск: + +```shell +ansible-playbook -i ansible/kubespray/inventory.ini vendor/kubespray/cluster.yml +``` diff --git a/templates/kubespray/inventory.ini.j2 b/templates/kubespray/inventory.ini.j2 new file mode 100644 index 0000000..5f63d12 --- /dev/null +++ b/templates/kubespray/inventory.ini.j2 @@ -0,0 +1,21 @@ +[all] +control ansible_host={{ kube_control_node_host }} # ip=10.3.0.1 etcd_member_name=etcd1 +node1 ansible_host={{ kube_worker_1_node_host }} # ip=10.3.0.2 etcd_member_name=etcd2 +node2 ansible_host={{ kube_worker_2_node_host }} # ip=10.3.0.3 etcd_member_name=etcd3 + +[kube_control_plane] +control + +[etcd] +control + +[kube_node] +node1 +node2 + +[calico_rr] + +[k8s_cluster:children] +kube_control_plane +kube_node +calico_rr