Make spliting system_search_domains more robust

Cloud resolvers are mandatory for hosts on GCE and OpenStack
clouds. The 8.8.8.8 alternative resolver was dropped because
there is already a default nameserver. The new var name
reflects the purpose better.

Also restart apiserver when modifying dns settings.

Bump kube-dns to 1.14.8

DNS entries generated from 'etcd_cert_alt_names' variable in etcd's
openssl.conf are not terminated by a newline.

This fixes issue #2207.

Add lib/modules to kube-proxy to enable LVS

Fix: always only one container got synced after download

import_tasks will consume far less memory, so it should be
used whenever it is compatible.

Network size large deploy documentation

Raise drain timeout to 5m

Enable etcd secure client to prevent etcdctl access without cert and key

Enable flannel hairpin mode

* iptables: flush nat table as well as filter table upon reset

* Indentation fix

Update dashboard version to v1.8.1

Support for disabling apiserver insecure port (the sequel)

Dnsmasq autoscaler image should be a variable

Fix for Issue #2141

Renamed variable from disable_volume_zone_conflict to volume_cross_zone_attachment and removed cloud provider condition; fix identation

Restart docker when http-proxy.conf changed.

Fix 'no such host' problem reported by commands *kubectl logs* and *kubectl exec*
when cloud_provider is OpenStack

Closes: #2147

* Update rpm spec and pbr setup configs

* Rename package to kubespray
* Do not break Fedora's FHS and install to /usr/share instead
* Remove the vendor tag
* Update source0 for better artifacts' names
* Fix missing files build errors
* Make version/release to auto match from git and fit PEP 440

Co-authored-by: Matthias Runge <mrunge@redhat.com>
Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>

* Add package paths to roles search in ansible conf

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>

* Poke jinja2 requirements in rpm spec file

Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>

Merge branch 'hardcoded_dnsmasq-autoscaler_image' of github.com:mirwan/kubespray into hardcoded_dnsmasq-autoscaler_image

Add support for flex volumes plugins.

kube-proxy is complaining of missing modules at startup. There is a plan
to also support an LVS implementation of kube-proxy in additon to
userspace and iptables

Updated with correct syntax to access default_tags variable.

Manage deprecated kubelet option