class Kubectl:
def __init__(self, conf, platform):
self.conf = conf
self.utils = Utils(self.conf)
self.platform = platforms.get_platform(conf, platform)
self.skuba = Skuba(conf, platform)
def run_kubectl(self, command, stdin=None):
kubeconfig = self.skuba.get_kubeconfig()
shell_cmd = "kubectl --kubeconfig={} {}".format(kubeconfig, command)
try:
return self.utils.runshellcommand(shell_cmd, stdin=stdin)
except Exception as ex:
raise Exception("Error executing cmd {}".format(shell_cmd)) from ex
def get_node_names_by_role(self, role):
"""Returns a list of node names for a given role
Uses selectors to get the nodes. Master nodes have the node-role.kubernetes.io/master="" label, while other
nodes (workers) dont even have the label.
"""
if role not in ("master", "worker"):
raise ValueError("Invalid role {}".format(role))
roles = {"master": "==", "worker": "!="}
command = f"get nodes --selector=node-role.kubernetes.io/master{roles.get(role)}" " -o jsonpath='{.items[*].metadata.name}'"
return self.run_kubectl(command).split()
class Kubectl:
def __init__(self, conf, platform):
self.conf = conf
self.utils = Utils(self.conf)
self.platform = platforms.get_platform(conf, platform)
self.skuba = Skuba(conf, platform)
def run_kubectl(self, command):
kubeconfig = self.skuba.get_kubeconfig()
shell_cmd = "kubectl --kubeconfig={} {}".format(kubeconfig, command)
try:
return self.utils.runshellcommand(shell_cmd)
except Exception as ex:
raise Exception("Error executing cmd {}".format(shell_cmd)) from ex
def __init__(self, conf, platform):
self.conf = conf
self.utils = Utils(self.conf)
self.platform = platforms.get_platform(conf, platform)
self.skuba = Skuba(conf, platform)