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author | Jason DeTiberus <jdetiber@redhat.com> | 2016-11-23 16:57:37 -0500 |
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committer | Jason DeTiberus <jdetiber@redhat.com> | 2016-11-29 12:47:18 -0500 |
commit | 81d8b6a835de79f18b2cae87b7b58ba4d02f0b14 (patch) | |
tree | cd4ffc636a782614c5754ef327959192ec96bac4 /roles/openshift_master_facts/lookup_plugins/openshift_master_facts_default_predicates.py | |
parent | cef42e2541f7ddeaf284b1350eed7f4e46234fe9 (diff) | |
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refactor handling of scheduler defaults
Diffstat (limited to 'roles/openshift_master_facts/lookup_plugins/openshift_master_facts_default_predicates.py')
-rw-r--r-- | roles/openshift_master_facts/lookup_plugins/openshift_master_facts_default_predicates.py | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/roles/openshift_master_facts/lookup_plugins/openshift_master_facts_default_predicates.py b/roles/openshift_master_facts/lookup_plugins/openshift_master_facts_default_predicates.py new file mode 100644 index 000000000..05b62a7a6 --- /dev/null +++ b/roles/openshift_master_facts/lookup_plugins/openshift_master_facts_default_predicates.py @@ -0,0 +1,96 @@ +# 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,too-many-statements + + def run(self, terms, variables=None, regions_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_predicates' in variables: + return variables['openshift_master_scheduler_predicates'] + elif 'scheduler_predicates' in variables['openshift']['master']: + return variables['openshift']['master']['scheduler_predicates'] + else: + predicates = [] + + 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 in ['1.1', '1.2']: + predicates.append({'name': 'PodFitsHostPorts'}) + predicates.append({'name': 'PodFitsResources'}) + + # applies to all known versions + predicates.append({'name': 'NoDiskConflict'}) + + # only 1.1 didn't include NoVolumeZoneConflict + if short_version != '1.1': + predicates.append({'name': 'NoVolumeZoneConflict'}) + + if short_version in ['1.1', '1.2']: + predicates.append({'name': 'MatchNodeSelector'}) + predicates.append({'name': 'Hostname'}) + + if short_version != '1.1': + predicates.append({'name': 'MaxEBSVolumeCount'}) + predicates.append({'name': 'MaxGCEPDVolumeCount'}) + + if short_version not in ['1.1', '1.2']: + predicates.append({'name': 'GeneralPredicates'}) + predicates.append({'name': 'PodToleratesNodeTaints'}) + predicates.append({'name': 'CheckNodeMemoryPressure'}) + + if short_version not in ['1.1', '1.2', '1.3']: + predicates.append({'name': 'CheckNodeDiskPressure'}) + predicates.append({'name': 'MatchInterPodAffinity'}) + + if regions_enabled: + region_predicate = { + 'name': 'Region', + 'argument': { + 'serviceAffinity': { + 'labels': ['region'] + } + } + } + predicates.append(region_predicate) + + return predicates |