* containerd: add proxy support

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

* kubespray-defaults: add kube_service_addresses / kube_pods_subnet to no_proxy

CIDR notation in no_proxy is supported by a lot of programs/languages,
including go: https://github.com/golang/go/issues/16704


Without that containerd cannot talk the the API server (kube_apiserver_ip),
but it should not go through an external proxy for the nodes/pods/services

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

* Remove stale legacy yum docker repo /etc/yum.repos.d/docker.repo

* move task 'Remove legacy docker repo file' to pre-upgrade.yml

* Change dockerproject.org to download.docker.com

dockerproject.org was deprecated in 2017 and has gone down.

* Restore yum repo for containerd

Change-Id: I883bb512a2164a85865b1bd4fb569af0358c8c2b

Co-authored-by: Craig Rodrigues <rodrigc@crodrigues.org>

When running with serial != 100%, like upgrade_cluster.yml, we need to apply this fixup each time
Problem was introduced in 05dc2b3a

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

Change-Id: I7354d33c7db513e0ee27c9a4cc40e8501c0e1061

Raises limit from 100 to 300 because the default is far too low
and the pod can handle 300 with the given resources.

Change-Id: Ib1eec10da3d09d198933fcfe87291587e58d7cdb

I've tested this update by deploying a containerd / etcd cluster on top CentOS7,
MetalLB + NGINX Ingress. Upgrade using upgrade-cluster.yml

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

Resolves issue where kubectl cache of <v1.16 api schema
interferes with interacting with daemonsets and deployments.

Change-Id: I63b7046958f2008eb144b6da0004c598f945e0ae

* Fix crictl

* Reload systemd daemon before enabling service

* Typo

* Add crictl template

* Remove seccomp.json for ubuntu

* Set runtime path of runc for ubuntu

* Change path to conmon

There is no cri-tools package in CentOS/EPEL/Red Hat.
Additionally, cri-tools is provided into the installation via
roles/download/defaults/main.yml:104:crictl_download_url.

* Bump nodelocaldns version

* Add missing upstreamsvc

* Add Helm 3.x support

* tiller enabled when helm < 3.0.0

Change-Id: I5e018dfaeffe314300b373aeb7ed5f59929cf4f9

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

* set varios node label via kubectl label command, not kubelet options

* remove node_labels from KUBELET_ARGS

* Fix python3-libselinux installation for RHEL/CentOS 8

In bootstrap-centos.yml we haven't gathered the facts,
so #5127 couldn't work

Minimum ansible version to run kubespray is 2.7.8,
so ansible_distribution_major_version is defined an there is no need to default it

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

* Restart NetworkManager for RHEL/CentOS 8

network.service doesn't exist anymore
 # systemctl status network
 Unit network.service could not be found.

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

* Add module_hotfixes=True to docker / containerd yum repo config

https://bugzilla.redhat.com/show_bug.cgi?id=1734081
https://bugzilla.redhat.com/show_bug.cgi?id=1756473


Without this setting you end up with the following error:
 # yum install docker-ce
 Failed to set locale, defaulting to C
 Last metadata expiration check: 0:03:21 ago on Thu Sep 26 22:00:05 2019.
 Error:
  Problem: package docker-ce-3:19.03.2-3.el7.x86_64 requires containerd.io >= 1.2.2-3, but none of the providers can be installed
   - cannot install the best candidate for the job
   - package containerd.io-1.2.2-3.3.el7.x86_64 is excluded
   - package containerd.io-1.2.2-3.el7.x86_64 is excluded
   - package containerd.io-1.2.4-3.1.el7.x86_64 is excluded
   - package containerd.io-1.2.5-3.1.el7.x86_64 is excluded
   - package containerd.io-1.2.6-3.3.el7.x86_64 is excluded
 (try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

Change-Id: Iea9a366cf6ccc4d491bfc49c5d2dba6d98f81b69

Change-Id: I1634ba2d2d3337243ffcdea86750003a559f2576

Change-Id: I33d46c7e0c5374467e22c5a652b282d1703dea85

Change-Id: I3fff04f0211cd9c2e8235acaf51c3aa98abc8bb7

* Add extra tolerations for coredns

* dns_extra_tolerations option

* dns_extra_tolerations

* missing starting space in comment

Initially this was to fix a mis-indented approvers key. However, it turns
out that 'oilbeater' is not a member of kubernetes-sigs nor
kubernetes-incubator (the org this repo was migrated from). Thus this
OWNERS file is failing prow's validation check.

As a workaround I've opted to move them to emeritus_approver, which
isn't valiated and can be used as a hint for other approvers in this
repo

Lot's of bugs and security fixes:
https://github.com/containerd/containerd/releases/tag/v1.2.10
CVE-2019-16884 / CVE-2019-16276
https://github.com/containerd/containerd/releases/tag/v1.2.9
CVE-2019-9512 / CVE-2019-9514 / CVE-2019-9515
https://github.com/containerd/containerd/releases/tag/v1.2.8
CVE-2019-9512 / CVE-2019-9514
https://github.com/containerd/containerd/releases/tag/v1.2.7



Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>