When installing, roles/kubeadm/tasks/main.yml installs docker-ce (version 18.04.0~ce~3-0~raspbian), which installs /etc/apt/sources.list.d/docker.list. If the process hangs, hits a hiccup, or for whatever reason needs to be restarted, an apt-get upgrade is called, which bumps docker to the latest version. The pre-flight for kubeadm init then fails due to unsupported docker version.
chris-short
commented
5 years ago
OS running on Ansible host:
Mac OS 10.14.1 (Mojave)
Ansible Version (
ansible --version):ansible 2.7.2 (homebrew)
Uploaded logs showing errors(
rak8s/.log/ansible.log)Raspberry Pi Hardware Version:
3B, 3B+
Raspberry Pi OS & Version (
cat /etc/os-release):PRETTY_NAME="Raspbian GNU/Linux 9 (stretch)" NAME="Raspbian GNU/Linux" VERSION_ID="9" VERSION="9 (stretch)" ID=raspbian ID_LIKE=debian HOME_URL="http://www.raspbian.org/" SUPPORT_URL="http://www.raspbian.org/RaspbianForums" BUG_REPORT_URL="http://www.raspbian.org/RaspbianBugs"
Detailed description of the issue:
When installing,
roles/kubeadm/tasks/main.ymlinstalls docker-ce (version 18.04.0~ce~3-0~raspbian), which installs/etc/apt/sources.list.d/docker.list. If the process hangs, hits a hiccup, or for whatever reason needs to be restarted, an apt-get upgrade is called, which bumps docker to the latest version. The pre-flight forkubeadm initthen fails due to unsupported docker version.