| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152 |
- """
- Mixin classes meant to be used with subclasses of OpenShiftCheck.
- """
- class NotContainerizedMixin(object):
- """Mixin for checks that are only active when not in containerized mode."""
- # permanent # pylint: disable=too-few-public-methods
- # Reason: The mixin is not intended to stand on its own as a class.
- def is_active(self):
- """Only run on non-containerized hosts."""
- openshift_is_atomic = self.get_var("openshift_is_atomic")
- return super(NotContainerizedMixin, self).is_active() and not openshift_is_atomic
- class DockerHostMixin(object):
- """Mixin for checks that are only active on hosts that require Docker."""
- dependencies = []
- def is_active(self):
- """Only run on hosts that depend on Docker."""
- group_names = set(self.get_var("group_names", default=[]))
- needs_docker = set(["oo_nodes_to_config"])
- return super(DockerHostMixin, self).is_active() and bool(group_names.intersection(needs_docker))
- def ensure_dependencies(self):
- """
- Ensure that docker-related packages exist, but not on atomic hosts
- (which would not be able to install but should already have them).
- Returns: msg, failed
- """
- if self.get_var("openshift_is_atomic"):
- return "", False
- # NOTE: we would use the "package" module but it's actually an action plugin
- # and it's not clear how to invoke one of those. This is about the same anyway:
- result = self.execute_module_with_retries(
- self.get_var("ansible_pkg_mgr", default="yum"),
- {"name": self.dependencies, "state": "present"},
- )
- msg = result.get("msg", "")
- if result.get("failed"):
- if "No package matching" in msg:
- msg = "Ensure that all required dependencies can be installed via `yum`.\n"
- msg = (
- "Unable to install required packages on this host:\n"
- " {deps}\n{msg}"
- ).format(deps=',\n '.join(self.dependencies), msg=msg)
- failed = result.get("failed", False) or result.get("rc", 0) != 0
- return msg, failed
|
