jasonbrooks

As of the December CentOS Atomic Host release, the kubernetes-master package has been removed from the base image. Following an upgrade, kubernetes master components should be run in containers.

# cat <<EOT >> /etc/systemd/system/kube-apiserver.service
[Unit]
Description=Kubernetes API Server
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
After=docker.service
Requires=docker.service

jasonbrooks

$ fedpkg co -a docker/cockpit
$ cd cockpit/
$ fedpkg pull
$ fedpkg sources

$ ls
sources

$ cat sources 

jasonbrooks

- name: Install packages
  shell: rpm-ostree install kubernetes-client
  register: command_result
  ignore_errors: true

- name: restart hosts
  shell: sleep 3 && shutdown -r now
  async: 1
  poll: 0
  when: "'systemctl reboot' in command_result.stdout"

jasonbrooks

kubernetes all in one

grab an atomic host

$ vagrant init fedora/25-atomic-host
$ vagrant up
$ vagrant ssh

jasonbrooks

I'm trying to use this kubeadm howto with centos atomic host continuous and pkg-add:

# cat <<EOF > /etc/yum.repos.d/kubernetes.repo
[kubernetes]
name=Kubernetes
baseurl=http://yum.kubernetes.io/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=1

jasonbrooks

{
  "created_on": "Fri, 09 Sep 2016 15:46:07 GMT",
  "id": 48030,
  "name": "fah-autocloud",
  "oneshot": false,
  "rules": [
    {
      "arguments": {},
      "cache_key": "70bd86298e1d85519c3b3dcadd96a3ee470280156de6c85c1036261f7a19f8a2",
      "code_path": "fmn.rules:autocloud_image_test_failed",

jasonbrooks

{
created_on: "Fri, 09 Sep 2016 15:46:07 GMT",
id: 48030,
name: "fah-autocloud",
oneshot: false,
rules: [
{
arguments: { },
cache_key: "70bd86298e1d85519c3b3dcadd96a3ee470280156de6c85c1036261f7a19f8a2",
code_path: "fmn.rules:autocloud_image_test_failed",

jasonbrooks

Oct 14 14:07:01 <walters>       mkdir mnt; env LIBGUESTFS_BACKEND=direct guestmount -m /dev/atomicos/root -a Fedora-Atomic-25-20161014.n.0.x86_64.qcow2 tmp
Oct 14 14:07:29 <walters>       vi mnt/.../sysconfig.py
Oct 14 14:07:31 <walters>       fusermount -u mnt
Oct 14 14:08:35 <walters>       s/ tmp/ mnt/

jasonbrooks

kubeadm on atomic host

http://kubernetes.io/docs/getting-started-guides/kubeadm/

https://jebpages.com/2016/11/01/installing-kubernetes-on-centos-atomic-host-with-kubeadm/

for CentOS 7

# cat <<EOF > /etc/yum.repos.d/jasonbrooks-kube-release-epel-7.repo

jasonbrooks

diff --git a/cluster/images/hyperkube/Dockerfile b/cluster/images/hyperkube/Dockerfile
index 7ed1e14..d54b046 100644
--- a/cluster/images/hyperkube/Dockerfile
+++ b/cluster/images/hyperkube/Dockerfile
@@ -12,10 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM BASEIMAGE
+FROM centos:centos7