00002_update.py 文件源码

def upgrade_node(upd, with_testing, env, *args, **kwargs):
    upd.print_log('Replacing kubernetes with new kubernetes-node...')
    upd.print_log(
        helpers.remote_install(
            'kubernetes kubernetes-node-0.20.2-0.4.git323fde5.el7.centos.2',
            with_testing, 'swap'))

    upd.print_log('Replacing auth config with new...')
    put('/etc/kubernetes/configfile_for_nodes', '/etc/kubernetes/configfile')
    run("""sed -i '/^KUBELET_ARGS/ {s|--auth_path=/var/lib/kubelet/kubernetes_auth|--kubeconfig=/etc/kubernetes/configfile --register-node=false|}' /etc/kubernetes/kubelet""")

    run("""sed -i '/^KUBE_MASTER/ {s|http://|https://|}' /etc/kubernetes/config""")
    run("""sed -i '/^KUBE_MASTER/ {s|7080|6443|}' /etc/kubernetes/config""")
    run("""sed -i '/^KUBE_PROXY_ARGS/ {s|""|"--kubeconfig=/etc/kubernetes/configfile"|}' /etc/kubernetes/proxy""")
    service, res = helpers.restart_node_kubernetes(with_enable=True)
    if res != 0:
        raise helpers.UpgradeError('Failed to restart {0}. {1}'
                                   .format(service, res))
    else:
        upd.print_log(res)
        print run('rm -f /var/lib/kubelet/kubernetes_auth')