summaryrefslogtreecommitdiffstats
path: root/vagrant/inventory/group_vars/k8s-cluster.yml
blob: cc3bba5525abfa0aef12ad495ce59ddd1051dedc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
# Valid bootstrap options (required): ubuntu, coreos, centos, none
bootstrap_os: none

#Directory where etcd data stored
etcd_data_dir: /var/lib/etcd

# Directory where the binaries will be installed
bin_dir: /usr/local/bin

### OTHER OPTIONAL VARIABLES
## For some things, kubelet needs to load kernel modules.  For example, dynamic kernel services are needed
## for mounting persistent volumes into containers.  These may not be loaded by preinstall kubernetes
## processes.  For example, ceph and rbd backed volumes.  Set to true to allow kubelet to load kernel
## modules.
kubelet_load_modules: true

# Uncomment this if you have more than 3 nameservers, then we'll only use the first 3.
docker_dns_servers_strict: false

# Kubernetes configuration dirs and system namespace.
# Those are where all the additional config stuff goes
# 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"
system_namespace: kube-system

# Logging directory (sysvinit systems)
kube_log_dir: "/var/log/kubernetes"

# 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"

# This is where to save basic auth file
kube_users_dir: "{{ kube_config_dir }}/users"

kube_api_anonymous_auth: true

# 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 group that the cert creation scripts chgrp the
# cert files to. Not really changable...
kube_cert_group: kube-cert

# Users to create for basic auth in Kubernetes API via HTTP
# Optionally add groups for user
kube_api_pwd: "secret"
kube_users:
  kube:
    pass: "{{kube_api_pwd}}"
    role: admin
    groups:
      - system:masters

## It is possible to activate / deactivate selected authentication methods (basic auth, static token auth)
#kube_oidc_auth: false
kube_basic_auth: true
kube_token_auth: true

# Choose network plugin (calico, contiv, weave or flannel)
# Can also be set to 'cloud', which lets the cloud provider setup appropriate routing
kube_network_plugin: flannel

# Enable kubernetes network policies
enable_network_policy: 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 on your network.  With these defaults you should have
# room for 4096 nodes with 254 pods per node.
kube_network_node_prefix: 24

# 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_apiserver_insecure_port: 8080 # (http)

# 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
# Can be dnsmasq_kubedns, kubedns or none
dns_mode: kubedns
# Can be docker_dns, host_resolvconf or none
resolvconf_mode: docker_dns
# 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') }}"
dnsmasq_dns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(2)|ipaddr('address') }}"
dns_domain: "{{ cluster_name }}"

# Path used to store Docker data
docker_daemon_graph: "/var/lib/docker"

## A string of extra options to pass to the docker daemon.
## This string should be exactly as you wish it to appear.
## An obvious use case is allowing insecure-registry access
## to self hosted registries like so:

docker_options: "--insecure-registry={{ kube_service_addresses }} --graph={{ docker_daemon_graph }}  {{ docker_log_opts }}"
docker_bin_dir: "/usr/bin"

# Settings for containerized control plane (etcd/kubelet/secrets)
etcd_deployment_type: docker
kubelet_deployment_type: host
vault_deployment_type: docker
helm_deployment_type: host

# K8s image pull policy (imagePullPolicy)
k8s_image_pull_policy: IfNotPresent

# Kubernetes dashboard
# RBAC required. see docs/getting-started.md for access details.
dashboard_enabled: true

# Monitoring apps for k8s
efk_enabled: false

# Helm deployment
helm_enabled: false

# Istio deployment
istio_enabled: false

# Add Persistent Volumes Storage Class for corresponding cloud provider ( OpenStack is only supported now )
persistent_volumes_enabled: false

# Make a copy of kubeconfig on the host that runs Ansible in GITDIR/artifacts
kubeconfig_localhost: true
# Download kubectl onto the host that runs Ansible in GITDIR/artifacts
kubectl_localhost: false
artifacts_dir: "{{ ansible_env.HOME }}"

# Enable MountPropagation gate feature
local_volumes_enabled: true

## Change this to use another Kubernetes version, e.g. a current beta release
kube_version: v1.11.3