resource_name: str,
kubeconfig: str,
) -> str:
+ """Generates the command to scale a Helm Chart release
- timeout_str = ""
- if timeout:
- timeout_str = "--timeout {}s".format(timeout)
-
- # atomic
- atomic_str = ""
- if atomic:
- atomic_str = "--atomic"
-
- # version
- version_str = ""
- if version:
- version_str = "--version {}".format(version)
+ Args:
+ kdu_model (str): Kdu model name, corresponding to the Helm local location or repository
+ kdu_instance (str): KDU instance, corresponding to the Helm Chart release in question
+ namespace (str): Namespace where this KDU instance is deployed
+ scale (int): Scale count
+ version (str): Constraint with specific version of the Chart to use
+ atomic (bool): If set, upgrade process rolls back changes made in case of failed upgrade.
+ The --wait flag will be set automatically if --atomic is used
+ replica_str (str): The key under resource_name key where the scale count is stored
+ timeout (float): The time, in seconds, to wait
+ resource_name (str): The KDU's resource to scale
+ kubeconfig (str): Kubeconfig file path
- # namespace
- namespace_str = ""
- if namespace:
- namespace_str = "--namespace {}".format(namespace)
+ Returns:
+ str: command to scale a Helm Chart release
+ """
# scale
if resource_name:
scale_str = self._params_to_set_option(scale_dict)
- command = (
- "env KUBECONFIG={kubeconfig} {helm} upgrade {name} {model} {namespace} {atomic} --output yaml {scale} "
- "{timeout} {ver}"
- ).format(
- helm=self._helm_command,
- name=kdu_instance,
- namespace=namespace_str,
- atomic=atomic_str,
- scale=scale_str,
- timeout=timeout_str,
- model=kdu_model,
- ver=version_str,
+ return self._get_upgrade_command(
+ kdu_model=kdu_model,
+ kdu_instance=kdu_instance,
+ namespace=namespace,
+ params_str=scale_str,
+ version=version,
+ atomic=atomic,
+ timeout=timeout,
kubeconfig=kubeconfig,
)
- return command
def _get_upgrade_command(
self,
timeout: float,
kubeconfig: str,
) -> str:
+ """Generates the command to upgrade a Helm Chart release
+
+ Args:
+ kdu_model (str): Kdu model name, corresponding to the Helm local location or repository
+ kdu_instance (str): KDU instance, corresponding to the Helm Chart release in question
+ namespace (str): Namespace where this KDU instance is deployed
+ params_str (str): Params used to upgrade the Helm Chart release
+ version (str): Constraint with specific version of the Chart to use
+ atomic (bool): If set, upgrade process rolls back changes made in case of failed upgrade.
+ The --wait flag will be set automatically if --atomic is used
+ timeout (float): The time, in seconds, to wait
+ kubeconfig (str): Kubeconfig file path
+
+ Returns:
+ str: command to upgrade a Helm Chart release
+ """
timeout_str = ""
if timeout:
command = (
"env KUBECONFIG={kubeconfig} {helm} upgrade {name} {model} {namespace} {atomic} "
- "--output yaml {params} {timeout} {ver}"
+ "--output yaml {params} {timeout} --reuse-values {ver}"
).format(
kubeconfig=kubeconfig,
helm=self._helm_command,