simplify inventory path

inventory/group_vars/all.yml

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+ # Directory where the binaries will be installed
+bin_dir: /usr/local/bin
+
+# Where the binaries will be downloaded.
+# Note: ensure that you've enough disk space (about 1G)
+local_release_dir: "/tmp/releases"
+
+# Cluster Loglevel configuration
+kube_log_level: 2
+
+# Users to create for basic auth in Kubernetes API via HTTP
+kube_users:
+  kube:
+    pass: changeme
+    role: admin
+#   root:
+#     pass: changeme
+#     role: admin
+
+# Kubernetes cluster name, also will be used as DNS domain
+cluster_name: cluster.local
+
+# set this variable to calico if needed. keep it empty if flannel is used
+kube_network_plugin: calico
+
+# 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 total size (optional). This is the prefix of the
+# entire network. Must be unused in your environment.
+# kube_network_prefix: 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
+
+# With calico it is possible to distributed routes with border routers of the datacenter.
+peer_with_router: false
+# Warning : enabling router peering will disable calico's default behavior ('node mesh').
+# The subnets of each nodes will be distributed by the datacenter router
+
+# The port the API Server will be listening on.
+kube_apiserver_ip: "{{ kube_service_addresses|ipaddr('net')|ipaddr(1)|ipaddr('address') }}"
+kube_apiserver_port: 443 # (https)
+kube_apiserver_insecure_port: 8080 # (http)
+
+# Internal DNS configuration.
+# Kubernetes can create and mainatain its own DNS server to resolve service names
+# into appropriate IP addresses. It's highly advisable to run such DNS server,
+# as it greatly simplifies configuration of your applications - you can use
+# service names instead of magic environment variables.
+# You still must manually configure all your containers to use this DNS server,
+# Kubernetes won't do this for you (yet).
+
+# Upstream dns servers used by dnsmasq
+upstream_dns_servers:
+  - 8.8.8.8
+  - 4.4.8.8
+#
+# # Use dns server : https://github.com/ansibl8s/k8s-skydns/blob/master/skydns-README.md
+dns_setup: true
+dns_domain: "{{ cluster_name }}"
+#
+# # Ip address of the kubernetes dns service
+dns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(253)|ipaddr('address') }}"
+
+# For multi masters architecture:
+# kube-proxy doesn't support multiple apiservers for the time being so you'll need to configure your own loadbalancer
+# This domain name will be inserted into the /etc/hosts file of all servers
+# configuration example with haproxy :
+# listen kubernetes-apiserver-https
+#   bind 10.99.0.21:8383
+#    option ssl-hello-chk
+#    mode tcp
+#    timeout client 3h
+#    timeout server 3h
+#    server master1 10.99.0.26:443
+#    server master2 10.99.0.27:443
+#    balance roundrobin
+# apiserver_loadbalancer_domain_name: "lb-apiserver.kubernetes.local"

inventory/group_vars/new-york.yml

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+#---
+#peers:
+#  -router_id: "10.99.0.34"
+#   as: "65xxx"
+#  - router_id: "10.99.0.35"
+#   as: "65xxx"
+#
+#loadbalancer_apiserver:
+#  address: "10.99.0.44"
+#  port: "8383"

inventory/group_vars/paris.yml

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+#---
+#peers:
+#  -router_id: "10.99.0.2"
+#   as: "65xxx"
+#  - router_id: "10.99.0.3"
+#   as: "65xxx"
+#
+#loadbalancer_apiserver:
+#  address: "10.99.0.21"
+#  port: "8383"

inventory/inventory.example

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+[downloader]
+10.99.0.26
+
+[kube-master]
+10.99.0.26
+10.99.0.27
+
+[etcd:children]
+kube-master
+
+[kube-node]
+10.99.0.27
+10.99.0.4
+10.99.0.5
+10.99.0.36
+10.99.0.37
+
+[paris]
+10.99.0.26
+10.99.0.4 local_as=xxxxxxxx
+10.99.0.5 local_as=xxxxxxxx
+
+[new-york]
+10.99.0.36 local_as=xxxxxxxx
+10.99.0.37 local_as=xxxxxxxx
+
+[k8s-cluster:children]
+kube-node
+kube-master