diff options
Diffstat (limited to 'roles/openshift_master_facts/lookup_plugins/openshift_master_facts_default_priorities.py')
-rw-r--r-- | roles/openshift_master_facts/lookup_plugins/openshift_master_facts_default_priorities.py | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/roles/openshift_master_facts/lookup_plugins/openshift_master_facts_default_priorities.py b/roles/openshift_master_facts/lookup_plugins/openshift_master_facts_default_priorities.py new file mode 100644 index 000000000..3329d26b0 --- /dev/null +++ b/roles/openshift_master_facts/lookup_plugins/openshift_master_facts_default_priorities.py @@ -0,0 +1,87 @@ +# pylint: disable=missing-docstring + +import re +from ansible.errors import AnsibleError +from ansible.plugins.lookup import LookupBase + + +class LookupModule(LookupBase): + # pylint: disable=too-many-branches + + def run(self, terms, variables=None, zones_enabled=True, **kwargs): + if 'openshift' not in variables: + raise AnsibleError("This lookup module requires openshift_facts to be run prior to use") + if 'master' not in variables['openshift']: + raise AnsibleError("This lookup module is meant to be run against an OpenShift master host only") + + if 'openshift_master_scheduler_priorities' in variables: + return variables['openshift_master_scheduler_priorities'] + elif 'scheduler_priorities' in variables['openshift']['master']: + return variables['openshift']['master']['scheduler_priorities'] + else: + priorities = [ + {'name': 'LeastRequestedPriority', 'weight': 1}, + {'name': 'BalancedResourceAllocation', 'weight': 1}, + {'name': 'SelectorSpreadPriority', 'weight': 1} + ] + + if 'deployment_type' not in variables['openshift']['common']: + raise AnsibleError("This lookup module requires that the deployment_type be set") + + deployment_type = variables['openshift']['common']['deployment_type'] + + if 'short_version' in variables['openshift']['common']: + short_version = variables['openshift']['common']['short_version'] + elif 'openshift_release' in variables: + release = variables['openshift_release'] + if release.startswith('v'): + short_version = release[1:] + else: + short_version = release + elif 'openshift_version' in variables: + version = variables['openshift_version'] + short_version = '.'.join(version.split('.')[0:2]) + else: + # pylint: disable=line-too-long + raise AnsibleError("Either OpenShift needs to be installed or openshift_release needs to be specified") + + if deployment_type not in ['origin', 'openshift-enterprise']: + raise AnsibleError("Unknown deployment_type %s" % deployment_type) + + if deployment_type == 'origin': + if short_version not in ['1.1', '1.2', '1.3', '1.4']: + raise AnsibleError("Unknown short_version %s" % short_version) + elif deployment_type == 'openshift_enterprise': + if short_version not in ['3.1', '3.2', '3.3', '3.4']: + raise AnsibleError("Unknown short_version %s" % short_version) + + if deployment_type == 'openshift-enterprise': + # convert short_version to origin short_version + short_version = re.sub('^3.', '1.', short_version) + + if short_version == '1.4': + priorities.append({'name': 'NodePreferAvoidPodsPriority', 'weight': 10000}) + + # only 1.1 didn't include NodeAffinityPriority + if short_version != '1.1': + priorities.append({'name': 'NodeAffinityPriority', 'weight': 1}) + + if short_version not in ['1.1', '1.2']: + priorities.append({'name': 'TaintTolerationPriority', 'weight': 1}) + + if short_version not in ['1.1', '1.2', '1.3']: + priorities.append({'name': 'InterPodAffinityPriority', 'weight': 1}) + + if zones_enabled: + zone_priority = { + 'name': 'Zone', + 'argument': { + 'serviceAntiAffinity': { + 'label': 'zone' + } + }, + 'weight': 2 + } + priorities.append(zone_priority) + + return priorities |