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How to use list_hypervisors method in tempest

Best Python code snippet using tempest_python

node-fullness.py

Source:node-fullness.py

1#!/usr/bin/env python32import shade3from prettytable import PrettyTable4def getHyperSummTable(hlist):5    """Given a shade.list_hypervisors() output munch.Munch object, return a PrettyTable of hypervisor info."""6    hyperInfoTable = PrettyTable(['Node', 'Hyper Type', 'Hyper Version', 'State', 'Status'])7    for host in hlist:8        hyperInfoTable.add_row([host['hypervisor_hostname'],9                                host['hypervisor_type'],10                                host['hypervisor_version'], 11                                host['state'],12                                host['status'],13                                ])14    return hyperInfoTable15def getMemTable(hlist):16    """Given a shade.list_hypervisors() output munch.Munch object, return a PrettyTable of memory usage."""17    memTotals = [0,0,0]18    # Memory Consumption Table19    memTable = PrettyTable(['Node','Total Mem (GB)', 'Mem in-use (GB)', 'Mem Free (GB)', 'Mem % in-use'])20    memTable.align['Node'] = 'r'21    memTable.align['Total Mem (GB)'] = 'r'22    memTable.align['Mem in-use (GB)'] = 'r'23    memTable.align['Mem Free (GB)'] = 'r'24    memTable.align['Mem % in-use'] = 'r'25    memTable.float_format['Total Mem (GB)'] = '5.1'26    memTable.float_format['Mem in-use (GB)'] = '4.1'27    memTable.float_format['Mem Free (GB)'] = '4.1'28    memTable.float_format['Mem % in-use'] = '2.1'29    30    for host in hlist:31        memTable.add_row([host['hypervisor_hostname'], 32                          host['memory_mb'] / 1024, 33                          host['memory_mb_used'] / 1024,34                          host['free_ram_mb'] / 1024, 35                          float(host['memory_mb_used']) / float(host['memory_mb']) * 100,36                         ])37        memTotals[0] += host['memory_mb'] / 102438        memTotals[1] += host['memory_mb_used'] / 102439        memTotals[2] += host['free_ram_mb'] / 102440    memTable.add_row(['--', '--', '--', '--', '--'])41    memTable.add_row(['TOTAL:'] + memTotals + [float(memTotals[1]) / float(memTotals[0]) * 100])42    return memTable43    44def getInstCountTable(hlist):45    """Given a shade.list_hypervisors() munch.Munch object, return a PrettyTable of instance counts."""46    instCountTotal = 047    # Instance Count Table48    instCountTable = PrettyTable(['Node', '# Instances'])49    instCountTable.align['Node'] = 'r'50    instCountTable.align['# Instances'] = 'r'51    for host in hlist:52        instCountTable.add_row([host['hypervisor_hostname'],53                                host['running_vms'],54                               ])55        instCountTotal += host['running_vms']56    instCountTable.add_row(['--', '--'])57    instCountTable.add_row(['TOTAL:'] + [instCountTotal])58    return instCountTable59def getCPUTable(hlist):60    """Given a shade.list_hypervisors() munch.Munch object. return a PrettyTable of CPu usage."""61    cpuCount = 062    cpuUsed  = 063    cpuTable = PrettyTable(['Node', 'vCPUs', 'vCPUs Used', '% in use' ])64    cpuTable.align['Node'] = 'r'65    cpuTable.align['vCPUs'] = 'r'66    cpuTable.align['vCPUs Used'] = 'r'67    cpuTable.align['% in use'] = 'r'68    cpuTable.float_format['% in use'] = '2.2'69    for host in hlist:70        cpuTable.add_row([host['hypervisor_hostname'],71                          host['vcpus'],72                          host['vcpus_used'],73                          float(host['vcpus_used']) / float(host['vcpus']) * 100,74                          ])75        cpuCount += host['vcpus']76        cpuUsed += host['vcpus_used']77    78    cpuTable.add_row(['--', '--', '--', '--'])79    cpuTable.add_row(['TOTAL:',80                       cpuCount,81                       cpuUsed,82                       float(cpuUsed) / float(cpuCount) * 100,83                     ])84    85    return cpuTable86def showHyperSum(hlist):87    """Given a shade.list_hypervisors() output munch.Munch object, summarize hypervisor usage."""88    print("Hypervisor Summary:")89    print(getHyperSummTable(hlist))90    print("Memory Summary:")91    print(getMemTable(hlist))92    print("Instance Count:")93    print(getInstCountTable(hlist))94    print("CPU Usage Summary")95    print(getCPUTable(hlist))96def main():97    """The Main Program"""98    cloud = shade.openstack_cloud()99    # Get all servers, across all projects100    #servers = cloud.list_servers(all_projects=True)101    # Get hypervisor info102    hyperlist = cloud.list_hypervisors()103    showHyperSum(hyperlist)104if __name__ == "__main__":...

test_hypervisor_rbac.py

Source:test_hypervisor_rbac.py

...27    @classmethod28    def resource_setup(cls):29        super(HypervisorRbacTest, cls).resource_setup()30        cls.hypervisor =\31            cls.hypervisor_client.list_hypervisors()['hypervisors'][0]32    @decorators.idempotent_id('17bbeb9a-e73e-445f-a771-c794448ef562')33    @rbac_rule_validation.action(34        service="nova",35        rule="os_compute_api:os-hypervisors")36    def test_list_hypervisors(self):37        self.rbac_utils.switch_role(self, toggle_rbac_role=True)38        self.hypervisor_client.list_hypervisors()['hypervisors']39    @decorators.idempotent_id('36b95c7d-1085-487a-a674-b7c1ca35f520')40    @rbac_rule_validation.action(41        service="nova",42        rule="os_compute_api:os-hypervisors")43    def test_list_hypervisors_with_details(self):44        self.rbac_utils.switch_role(self, toggle_rbac_role=True)45        self.hypervisor_client.list_hypervisors(detail=True)['hypervisors']46    @decorators.idempotent_id('8a7f6f9e-34a6-4480-8875-bba566c3a581')47    @rbac_rule_validation.action(48        service="nova",49        rule="os_compute_api:os-hypervisors")50    def test_show_hypervisor(self):51        self.rbac_utils.switch_role(self, toggle_rbac_role=True)52        self.hypervisor_client.show_hypervisor(53            self.hypervisor['id'])['hypervisor']54    @decorators.idempotent_id('b86f03cf-2e79-4d88-9eea-62f761591413')55    @rbac_rule_validation.action(56        service="nova",57        rule="os_compute_api:os-hypervisors")58    def test_list_servers_on_hypervisor(self):59        self.rbac_utils.switch_role(self, toggle_rbac_role=True)...

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