def print_help_external_etcd(hi):
""" help for external etcd installation """
utils.print_H1('How to install an external Etcd')
utils.print_normal(
'By default external etcd will be automatically installed by `kubeadm-playground create` ',
"in case your cluster has machines with role '%s'." %
(cluster_api.ROLE_ETCD))
if len(hi.etcds) == 0:
print
utils.print_warning(
'The kubeadm playground currently does not require an external etcd.',
'Please change your cluster api specification')
utils.print_H2('Assisted mode')
utils.print_normal(
"* only if automatic installation was disabled during create")
utils.print_code("kubeadm-playground exec external-etcd")
utils.print_H2('Manual mode')
utils.print_normal('- Install etcd on following machines:')
for m in hi.etcds:
utils.print_normal(" - %s" % (m.name))
print
utils.print_normal(
"- Ensure that etcd endpoint and eventually etcd TLS certificates are set in '/etc/kubernetes/kubeadm.conf' on %s"
% (hi.bootstrapMaster.name))
print
def print_help_kubeadm_init(hi):
utils.print_H1 ('How to execute kubeadm init')
utils.print_H2 ('Assisted mode')
utils.print_code ("kubeadm-playground exec kubeadm-init")
utils.print_H2 ('Manual mode')
ssh_to (hi.bootstrapMaster.name)
utils.print_normal ('- Initialize the kubernetes master node')
utils.print_code ("sudo %s init --config /etc/kubernetes/kubeadm.conf" % (hi.kubeadm_binary))
def print_help_kubectl_apply_network(hi):
utils.print_H1 ("How to install %s network addon" % (hi.networkAddon))
utils.print_H2 ('Assisted mode')
utils.print_code ("kubeadm-playground exec kubectl-apply-network")
utils.print_H2 ('Manual mode')
ssh_to (hi.bootstrapMaster.name)
if hi.kubernetes_cni_sysconf:
utils.print_normal ("- Make required changes for %s CNI plugin to work:" % (hi.networkAddon))
utils.print_code ('sudo sysctl net.bridge.bridge-nf-call-iptables=1')
utils.print_normal ("- Install %s CNI plugin:" % (hi.networkAddon))
utils.print_code ('kubectl apply \\',
" -f %s" % (hi.kubernetes_cni_manifest_url))
def print_help_external_ca(hi):
""" help for external ca installation """
utils.print_H1('How to setup an external Certificate Authority')
utils.print_normal(
'By default external CA will be automatically installed by `kubeadm-playground create` ',
'in case your cluster is configured with `certificateAuthority: external`'
)
if hi.cluster.certificateAuthority != kubeadm_utils.CERTIFICATEAUTHORITY_TYPE_EXTERNAL:
print
utils.print_warning(
'The kubeadm playground currently does not require an external ca.',
'Please change your cluster api specification')
utils.print_H2('Assisted mode')
utils.print_normal(
"* only if automatic installation was disabled during create")
utils.print_code("kubeadm-playground exec external-ca")
utils.print_H2('Manual mode')
ssh_to(hi.bootstrapMaster.name)
utils.print_normal('- Create an external CA by executing:')
utils.print_code(
"sudo %s alpha phase certs all --config /etc/kubernetes/kubeadm.conf" %
(hi.kubeadm_binary), 'sudo rm /etcd/kubernetes/pki/ca.key',
'sudo rm /etcd/kubernetes/pki/front-proxy-ca.key')
print
def print_help_kubeadm_join(hi):
utils.print_H1("How to execute kubeadm join")
if len(hi.nodes) == 0:
print
utils.print_warning(
'The kubeadm playground currently does not have worker nodes.',
'Please change your cluster api specification')
utils.print_H2('Assisted mode')
utils.print_code("kubeadm-playground exec kubeadm-join")
utils.print_H2('Manual mode')
utils.print_normal(
"Repeat following steps for all the machines with role '%s'" %
(cluster_api.ROLE_NODE))
if hi.kubernetes_cni_sysconf:
utils.print_normal(
"- Make required changes for %s CNI plugin to work:" %
(hi.networkAddon))
utils.print_code('sudo sysctl net.bridge.bridge-nf-call-iptables=1')
utils.print_normal('- Join the worker node')
utils.print_code(
"sudo %s join %s:6443 --token %s \\" %
(hi.kubeadm_binary, hi.controlplaneEndpoint, hi.kubeadm_token),
" --discovery-token-unsafe-skip-ca-verification")
def __usage(prompt=None, extra_usage=None):
if prompt:
utils.print_err(prompt)
if extra_usage:
utils.print_normal(extra_usage)
exit(0)
def ssh_to(machine):
utils.print_normal('From the guest machine:')
utils.print_code("kubeadm-playground ssh %s" % (machine))
utils.print_normal('After connecting:')
print
def print_help_external_vip(hi):
""" help for external vip installation """
utils.print_H1('How to setup an external Vip/load balancer')
if len(hi.etcds) == 0:
print
utils.print_warning(
'The kubeadm playground currently does not require an external vip.',
'Please change your cluster api specification')
utils.print_normal(
'By default external etcd will be automatically installed by `kubeadm-playground create` ',
"in case your cluster has more then one machines with role '%s'." %
(cluster_api.ROLE_MASTER))
utils.print_H2('Assisted mode')
utils.print_normal(
"* only if automatic installation was disabled during create")
utils.print_H2('Assisted mode')
utils.print_normal(
'By default external vip/load balancer will be automatically installed by `kubeadm-playground create` ',
'in case your cluster is configured with more than one machine with role `Master`',
''
"The vip address will be %s (%s) and will balance following api server end points:"
% (hi.kubernetes_vip_fqdn, hi.kubernetes_vip_ip))
for m in hi.masters:
utils.print_normal("- https://%s:6443" % (m.ip))
print
utils.print_normal(
'If automatic installation of external vip was disabled during create, it can be invoked afterwards with:'
)
utils.print_code("kubeadm-playground exec external-vip")
utils.print_H2('Manual mode')
utils.print_normal(
'- Create an external VIP/load balancer similar to what described above.'
)
utils.print_normal(
"- Ensure that the VIP address is set in '/etc/kubernetes/kubeadm.conf' on %s."
% (hi.bootstrapMaster.name))
print