tokens[node.hostname] = (node.kind, node.ip, token)
print("host".center(16, "="), "kind".center(8, "="), "ip".center(14, "="),
"token".center(23, "="))
for key, (kind, ip, token) in sorted(tokens.items()):
print(key.rjust(16), kind.center(8),
str(ip).center(14), token.ljust(23))
print("host".center(16, "="), "kind".center(8, "="), "ip".center(14, "="),
"token".center(23, "="))
def infra_install_packages(ops: setup.Operations) -> None:
config = configuration.get_config()
for node in config.nodes:
ops.ssh("update apt repositories on @HOST", node, "apt-get", "update")
ops.ssh("upgrade packages on @HOST", node, "apt-get", "upgrade", "-y")
main_command = command.mux_map(
"commands about maintaining the infrastructure of a cluster", {
"admit":
command.wrap("request a token to admit a node to the cluster",
infra_admit),
"admit-all":
command.wrap(
"request tokens to admit every non-supervisor node to the cluster",
infra_admit_all),
"install-packages":
setup.wrapop("install and update packages on a node",
infra_install_packages),
})
tokens.append((node.hostname, node.kind, node.ip, token))
print('{:=^16} {:=^8} {:=^14} {:=^23}'.format('host', 'kind', 'ip', 'token'))
for hostname, kind, ip, token in tokens:
print('{:>16} {:^8} {:^14} {:<23}'.format(hostname, kind, str(ip), token))
print('{:=^16} {:=^8} {:=^14} {:=^23}'.format('host', 'kind', 'ip', 'token'))
def infra_install_packages(ops: setup.Operations) -> None:
config = configuration.get_config()
for node in config.nodes:
ops.ssh("update apt repositories on @HOST", node, "apt-get", "update")
ops.ssh("upgrade packages on @HOST", node, "apt-get", "upgrade", "-y")
def infra_sync(ops: setup.Operations, node_name: str) -> None:
node = configuration.get_config().get_node(node_name)
ops.ssh("synchronize operations on @HOST", node, "sync")
def infra_sync_supervisor(ops: setup.Operations) -> None:
infra_sync(ops, configuration.get_config().keyserver.hostname)
main_command = command.mux_map("commands about maintaining the infrastructure of a cluster", {
"admit": command.wrap("request a token to admit a node to the cluster", infra_admit),
"admit-all": command.wrap("request tokens to admit every non-supervisor node to the cluster", infra_admit_all),
"install-packages": setup.wrapop("install and update packages on a node", infra_install_packages),
"sync": setup.wrapop("synchronize the filesystem to disk on a node", infra_sync),
"sync-supervisor": setup.wrapop("synchronize the filesystem to disk on the supervisor", infra_sync_supervisor),
})
for key in keys:
f.write("%s.%s %s\n" %
(node.hostname, config.external_domain, key))
def pull_supervisor_key_from(source_file):
pull_supervisor_key(
util.readfile(source_file).decode().strip().split("\n"))
etcdctl_command = command.wrap("invoke commands through the etcdctl wrapper",
dispatch_etcdctl)
kubectl_command = command.wrap("invoke commands through the kubectl wrapper",
dispatch_kubectl)
foreach_command = setup.wrapop(
"invoke commands on every node (or every node of a given kind) in the cluster",
ssh_foreach)
main_command = command.mux_map(
"commands about establishing access to a cluster", {
"ssh":
command.wrap(
"request SSH access to the cluster and add it to the SSH agent",
access_ssh_with_add),
"ssh-fetch":
command.wrap(
"request SSH access to the cluster but do not register it with the agent",
access_ssh),
"update-known-hosts":
command.wrap(
"update ~/.ssh/known_hosts file with @ca-certificates directive",
update_known_hosts),
ops.add_operation("deploy or update dns-addon", deploy.launch_dns_addon)
ops.add_operation("verify that dns-addon is online", iterative_verifier(verify.check_dns_kubeinfo, 60.0))
ops.add_operation("verify that dns-addon is functioning", verify.check_dns_function)
ops.print_annotations("set up the dns-addon")
def sequence_addons(ops: setup.Operations) -> None:
ops.add_operation("deploy or update flannel", deploy.launch_flannel)
ops.add_operation("deploy or update dns-addon", deploy.launch_dns_addon)
ops.add_operation("verify that flannel is online", iterative_verifier(verify.check_flannel_kubeinfo, 60.0))
ops.add_operation("verify that dns-addon is online", iterative_verifier(verify.check_dns_kubeinfo, 60.0))
ops.add_operation("verify that flannel is functioning", verify.check_flannel_function)
ops.add_operation("verify that dns-addon is functioning", verify.check_dns_function)
ops.print_annotations("set up the dns-addon")
main_command = command.mux_map("commands about running large sequences of cluster bring-up automatically", {
"keysystem": setup.wrapop("set up and verify functionality of the keyserver and keygateway", sequence_keysystem),
"ssh": setup.wrapop("set up and verify ssh access to the supervisor node", sequence_ssh),
"supervisor": setup.wrapop("set up and verify functionality of entire supervisor node (keysystem + ssh)", sequence_supervisor),
"core": setup.wrapop("set up and verify core infrastructure operation", sequence_core),
"registry": setup.wrapop("set up and verify the bootstrap container registry", sequence_registry),
"flannel": setup.wrapop("set up and verify the flannel core service", sequence_flannel),
"dns-addon": setup.wrapop("set up and verify the dns-addon core service", sequence_dns_addon),
"addons": setup.wrapop("set up and verify the flannel and dns-addon core services", sequence_addons),
})
def sequence_dns_addon(ops: setup.Operations,
config: configuration.Config) -> None:
ops.add_operation("deploy or update dns-addon",
lambda: deploy.launch_spec("dns-addon.yaml"))
ops.add_operation("verify that dns-addon is online",
iterative_verifier(verify.check_dns_kubeinfo, 60.0))
ops.add_operation("verify that dns-addon is functioning",
verify.check_dns_function)
main_command = command.mux_map(
"commands about running large sequences of cluster bring-up automatically",
{
"keysystem":
setup.wrapop(
"set up and verify functionality of the keyserver and keygateway",
sequence_keysystem),
"ssh":
setup.wrapop("set up and verify ssh access to the supervisor node",
sequence_ssh),
"core":
setup.wrapop("set up and verify core infrastructure operation",
sequence_core),
"registry":
setup.wrapop("set up and verify the bootstrap container registry",
sequence_registry),
"flannel":
setup.wrapop("set up and verify the flannel core service",
sequence_flannel),
"dns-addon":
setup.wrapop("set up and verify the dns-addon core service",