BASIC21 test: added persistent volume checking

Added check on the presence of the persistent volume in Openstack. Created new keywords in openstack_lib.robot for that.
Fix bug in vnf_lib.robot.

Change-Id: I0b4cc8f81d2f1cddcd90d1664a69dafae23e70cb
Signed-off-by: aguilard <e.dah.tid@telefonica.com>
diff --git a/robot-systest/lib/openstack_lib.robot b/robot-systest/lib/openstack_lib.robot
index c72892e..884ec4f 100644
--- a/robot-systest/lib/openstack_lib.robot
+++ b/robot-systest/lib/openstack_lib.robot
@@ -58,3 +58,36 @@
     Should Be Equal As Integers   ${rc}   ${success_return_code}
     [Return]  ${stdout}
 
+
+Get Server Property
+    [Documentation]     Get a field (flavor, image, volumes_attached, etc.) from a server.
+    [Arguments]    ${server_id}   ${field}
+
+    Should Not Be Empty   ${server_id}
+    Should Not Be Empty   ${field}
+    ${rc}   ${stdout}=   Run and Return RC and Output   openstack server show ${server_id} -c ${field} -f value
+    log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${success_return_code}
+    [Return]  ${stdout}
+
+
+Check If Volume Exists
+    [Documentation]     Checks if a volume id exists
+    [Arguments]    ${volume_id}
+
+    Should Not Be Empty   ${volume_id}
+    ${rc}   ${stdout}=   Run and Return RC and Output   openstack volume list | grep ${volume_id} | wc -l
+    log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${success_return_code}
+    [Return]  ${stdout}
+
+
+Delete Volume
+    [Documentation]     Delete a volume by its identifier
+    [Arguments]    ${volume_id}
+
+    Should Not Be Empty   ${volume_id}
+    ${rc}   ${stdout}=   Run and Return RC and Output   openstack volume delete ${volume_id}
+    log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${success_return_code}
+    [Return]  ${stdout}
diff --git a/robot-systest/lib/vnf_lib.robot b/robot-systest/lib/vnf_lib.robot
index eda7ff4..12f44bc 100644
--- a/robot-systest/lib/vnf_lib.robot
+++ b/robot-systest/lib/vnf_lib.robot
@@ -19,7 +19,7 @@
     [Arguments]   ${vnf_id}
 
     Should Not Be Empty   ${vnf_id}
-    ${rc}   ${stdout}=   Run and Return RC and Output   osm vnf-show ${vnf_id} --literal | grep vim_id | awk '{print $2}'
+    ${rc}   ${stdout}=   Run and Return RC and Output   osm vnf-show ${vnf_id} --literal | grep vim-id | awk '{print $2}'
     log   ${stdout}
     Should Be Equal As Integers   ${rc}   ${success_return_code}
     [Return]  ${stdout}
diff --git a/robot-systest/testsuite/basic_21-support_of_volumes.robot b/robot-systest/testsuite/basic_21-support_of_volumes.robot
index f9cfabb..feb17a2 100644
--- a/robot-systest/testsuite/basic_21-support_of_volumes.robot
+++ b/robot-systest/testsuite/basic_21-support_of_volumes.robot
@@ -20,9 +20,11 @@
 Library   SSHLibrary
 
 Resource   %{ROBOT_DEVOPS_FOLDER}/lib/vnfd_lib.robot
+Resource   %{ROBOT_DEVOPS_FOLDER}/lib/vnf_lib.robot
 Resource   %{ROBOT_DEVOPS_FOLDER}/lib/nsd_lib.robot
 Resource   %{ROBOT_DEVOPS_FOLDER}/lib/ns_lib.robot
 Resource   %{ROBOT_DEVOPS_FOLDER}/lib/ssh_lib.robot
+Resource   %{ROBOT_DEVOPS_FOLDER}/lib/openstack_lib.robot
 
 Force Tags   basic_21   cluster_main   daily   regression
 
@@ -47,20 +49,36 @@
 ${username}   ubuntu
 ${password}   ${EMPTY}
 
-${ns_id}   ${EMPTY}
 ${vnf_member_index}   vnf-several-volumes
-${vnf_ip_addr}   ${EMPTY}
 ${success_return_code}   0
 
 
 *** Test Cases ***
 Create VNF Descriptor
-
+    [Tags]  prepare
     Create VNFD   '%{PACKAGES_FOLDER}/${vnfd_pkg}'
 
 
-Get Volumes From VNF
+Create NS Descriptor
+    [Tags]  prepare
+    Create NSD   '%{PACKAGES_FOLDER}/${nsd_pkg}'
 
+
+Network Service Instance Test
+    [Tags]  prepare
+    ${id}=   Create Network Service   ${nsd_name}   %{VIM_TARGET}   ${ns_name}   ${ns_config}   ${publickey}
+    Set Suite Variable   ${ns_id}   ${id}
+
+Get NS Id
+    [Tags]   verify   cleanup
+    ${variables}   Get Variables
+    IF   not "\${ns_id}" in "${variables}"
+        ${id}=   Get Ns Id   ${ns_name}
+        Set Suite Variable   ${ns_id}   ${id}
+    END
+
+Get Volumes From VNFD
+    [Tags]  verify
     ${rc}  ${stdout}=  Run and Return RC and Output  osm vnfpkg-show ${vnfd_name} --literal | yq '.vdu[0]."virtual-storage-desc" | length'
     Should Be Equal As Integers  ${rc}  ${success_return_code}  msg=${stdout}  values=False
     ${num_virtual_storage}=   Convert To Integer   ${stdout}
@@ -68,27 +86,26 @@
     log   ${vnf_num_volumes}
 
 
-Create NS Descriptor
-
-    Create NSD   '%{PACKAGES_FOLDER}/${nsd_pkg}'
-
-
-Network Service Instance Test
-
-    ${id}=   Create Network Service   ${nsd_name}   %{VIM_TARGET}   ${ns_name}   ${ns_config}   ${publickey}
-    Set Suite Variable   ${ns_id}   ${id}
-
-
-Get Vnf Ip Address
-
+Get VNF IP Address
+    [Tags]  verify
     Variable Should Exist  ${ns_id}  msg=NS is not available
-    ${ip_addr}  Get Vnf Management Ip Address   ${ns_id}   ${vnf_member_index}
+    ${ip_addr}=  Get Vnf Management Ip Address   ${ns_id}   ${vnf_member_index}
     log   ${ip_addr}
     Set Suite Variable   ${vnf_ip_addr}   ${ip_addr}
 
 
-Check Vdu disks
+Get Persistent Volume Id
+    [Tags]  cleanup
+    Variable Should Exist  ${ns_id}  msg=NS is not available
+    ${vnfs_list}=  Get Ns Vnf List   ${ns_id}
+    ${vim_id}=  Get VNF VIM ID   ${vnfs_list}[0]
+    ${volumes_attached}=  Get Server Property   ${vim_id}   volumes_attached
+    ${match}=  Get Regexp Matches   ${volumes_attached}   '([0-9a-f\-]+)'   1
+    Set Suite Variable   ${volume_id}   ${match}[0]
 
+
+Check VDU disks
+    [Tags]  verify
     Variable Should Exist  ${vnf_ip_addr}  msg=VNF is not available
     Sleep   30 seconds   Wait for SSH daemon to be up
     ${stdout}=   Execute Remote Command Check Rc Return Output   ${vnf_ip_addr}   ${username}   ${password}   ${privatekey}   sudo lsblk -l
@@ -100,19 +117,31 @@
 
 Delete NS Instance Test
     [Tags]   cleanup
-
     Delete NS   ${ns_name}
 
 
+Check Persistent Volume Was Deleted
+    [Tags]   cleanup
+    Variable Should Exist  ${volume_id}  msg=Volume is not available
+    ${exists}=   Check If Volume Exists   ${volume_id}
+    log   ${exists}
+    IF   ${exists}==0
+        Fail   msg=Persistent volume was deleted
+        Set Suite Variable   ${volume_id}   ${EMPTY}}
+    ELSE
+        log   Persistent volume still exists, deleting...
+        Delete Volume   ${volume_id}
+        Set Suite Variable   ${volume_id}   ${EMPTY}}
+    END
+
+
 Delete NS Descriptor Test
     [Tags]   cleanup
-
     Delete NSD   ${nsd_name}
 
 
 Delete VNF Descriptor Test
     [Tags]   cleanup
-
     Delete VNFD   ${vnfd_name}
 
 
@@ -126,4 +155,4 @@
 
     Run Keyword If Any Tests Failed  Delete VNFD   ${vnfd_name}
 
-
+    Run Keyword If Any Tests Failed  Check Volume Was Deleted