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*** Settings ***
Documentation     The main interface for interacting with Openstack Keystone API. It handles low level stuff like managing the authtoken and Openstack required fields
Library           OpenstackLibrary
Library         RequestsLibrary
Library           UUID      
Library    OperatingSystem
Resource    ../global_properties.robot
Resource    ../json_templater.robot
Resource    openstack_common.robot

*** Variables ***
${OPENSTACK_KEYSTONE_API_VERSION}    /v2.0
${OPENSTACK_KEYSTONE_AUTH_PATH}    /tokens
${OPENSTACK_KEYSTONE_AUTH_BODY_FILE}    robot/assets/templates/keystone_get_auth.template
${OPENSTACK_KEYSTONE_TENANT_PATH}    /tenants

*** Keywords ***
Run Openstack Auth Request
    [Documentation]    Runs an Openstack Auth Request and returns the token and service catalog. you need to include the token in future request's x-auth-token headers. Service catalog describes what can be called
    [Arguments]    ${alias}    ${username}=    ${password}=
    ${username}    ${password}=   Set Openstack Credentials   ${username}    ${password}
    ${session}=    Create Session   keystone  ${GLOBAL_OPENSTACK_KEYSTONE_SERVER}    verify=True
    ${uuid}=    Generate UUID
    ${data_template}=    OperatingSystem.Get File    ${OPENSTACK_KEYSTONE_AUTH_BODY_FILE}
    ${arguments}=    Create Dictionary    username=${username}    password=${password}
    ${data}=  Fill JSON Template    ${data_template}    ${arguments}
    ${data_path}=    Catenate    ${OPENSTACK_KEYSTONE_API_VERSION}${OPENSTACK_KEYSTONE_AUTH_PATH}
    ${headers}=  Create Dictionary     Accept=application/json    Content-Type=application/json    X-TransactionId=${GLOBAL_APPLICATION_ID}-${uuid}    X-FromAppId=${GLOBAL_APPLICATION_ID}
    Log    Sending authenticate post request ${data_path} with headers ${headers} and data ${data}
    ${resp}=  Post Request  keystone  ${data_path}     data=${data}    headers=${headers}
    Save Openstack Auth    ${alias}    ${resp.text} 
    Log    Received response from keystone ${resp.text}
       
Get Openstack Tenants
    [Documentation]    Returns all the openstack tenant info
    [Arguments]    ${alias}
    ${resp}=    Internal Get Openstack    ${alias}    ${GLOBAL_OPENSTACK_KEYSTONE_SERVICE_TYPE}    region=    url_ext=${OPENSTACK_KEYSTONE_TENANT_PATH}    data_path=
    [Return]    ${resp.json()}
    
Get Openstack Tenant
    [Documentation]    Returns the openstack tenant info for the specified tenantid
    [Arguments]    ${alias}     ${tenant_id}
    ${resp}=    Internal Get Openstack    ${alias}    ${GLOBAL_OPENSTACK_KEYSTONE_SERVICE_TYPE}    region=    url_ext=${OPENSTACK_KEYSTONE_TENANT_PATH}    data_path=/${tenant_id}
    [Return]    ${resp.json()}
    
Set Openstack Credentials
    [Arguments]    ${username}    ${password}
    Return From Keyword If    '${username}' != ''   ${username}    ${password} 
    [Return]   ${GLOBAL_VM_PROPERTIES['openstack_username']}    ${GLOBAL_VM_PROPERTIES['openstack_password']}