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Rename dns_server, add var for selinux. (#1572)

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* Rename dns_server to dnsmasq_dns_server so that it includes role prefix
as the var name is generic and conflicts when integrating with existing ansible automation.
*  Enable selinux state to be configurable with new var preinstall_selinux_state
This commit is contained in:
Vijay Katam
2017-10-11 12:40:21 -07:00
committed by Matthew Mosesohn
parent e41c0532e3
commit 27ed73e3e3
11 changed files with 14 additions and 11 deletions
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2
docs/ansible.md
View File

@@ -157,7 +157,7 @@ ansible-playbook -i inventory/inventory.ini cluster.yml --tags preinstall,dnsma
```
And this play only removes the K8s cluster DNS resolver IP from hosts' /etc/resolv.conf files:
```
ansible-playbook -i inventory/inventory.ini -e dns_server='' cluster.yml --tags resolvconf
ansible-playbook -i inventory/inventory.ini -e dnsmasq_dns_server='' cluster.yml --tags resolvconf
```
And this prepares all container images localy (at the ansible runner node) without installing
or upgrading related stuff or trying to upload container to K8s cluster nodes:

3
docs/vars.md
View File

@@ -28,6 +28,7 @@ Some variables of note include:
* *kube_version* - Specify a given Kubernetes hyperkube version
* *searchdomains* - Array of DNS domains to search when looking up hostnames
* *nameservers* - Array of nameservers to use for DNS lookup
* *preinstall_selinux_state* - Set selinux state, permitted values are permissive and disabled.
#### Addressing variables
@@ -61,7 +62,7 @@ following default cluster paramters:
* *kube_network_node_prefix* - Subnet allocated per-node for pod IPs. Remainin
bits in kube_pods_subnet dictates how many kube-nodes can be in cluster.
* *dns_setup* - Enables dnsmasq
* *dns_server* - Cluster IP for dnsmasq (default is 10.233.0.2)
* *dnsmasq_dns_server* - Cluster IP for dnsmasq (default is 10.233.0.2)
* *skydns_server* - Cluster IP for KubeDNS (default is 10.233.0.3)
* *cloud_provider* - Enable extra Kubelet option if operating inside GCE or
OpenStack (default is unset)