fix: test without scaledown

Author: yerkennz

tests/robot/check_delete_master/check_delete_master.robot

@@ -3,7 +3,6 @@ Documentation     Check delete master
 Library           Collections
 Library           OperatingSystem
 Library           String
-Library           Process
 Resource          ../Lib/lib.robot
 
 
@@ -14,55 +13,25 @@ Check Delete Master
 
     ${MASTER}=  Get Master Pod
     ${OLD_MASTER_NAME}=  Set Variable  ${MASTER.metadata.name}
-    ${OLD_MASTER_STS}=   Get Statefulset Name From Pod Name  ${OLD_MASTER_NAME}
 
-    # insert test records before failover
+    # insert test records before deleting master
     ${RID}  ${EXPECTED}=  Insert Test Record  ${MASTER.status.pod_ip}
 
-    Log To Console  Scaling down old master StatefulSet "${OLD_MASTER_STS}"
-    Scale Statefulset  ${OLD_MASTER_STS}  0
-
     Log To Console  Deleting Master Pod "${OLD_MASTER_NAME}"
-    Delete Pod  ${OLD_MASTER_NAME}  30
-
-    Log To Console  Wait old master pod deletion
-    Wait Until Keyword Succeeds  120 sec  2 sec  Pod Should Not Exist  ${OLD_MASTER_NAME}
+    Run Keyword  Delete Pod  ${OLD_MASTER_NAME}  30
 
-    Log To Console  Wait new master election
-    Wait Until Keyword Succeeds  180 sec  2 sec  Check If New Master Elected  ${OLD_MASTER_NAME}
+    # wait until cluster is healthy again
+    Log To Console  Wait until cluster recovers after master deletion
+    Wait Until Keyword Succeeds  300 sec  2 sec  Wait Replica Pods In Up State
+    Wait Until Keyword Succeeds  300 sec  2 sec  Check Replica Count
 
     ${NEW_MASTER}=  Get Master Pod
-    Log To Console  New Master ${NEW_MASTER.metadata.name}
-
-    Log To Console  Scaling old master StatefulSet "${OLD_MASTER_STS}" back to 1
-    Scale Statefulset  ${OLD_MASTER_STS}  1
-
-    # wait while all replicas are back
-    Wait Until Keyword Succeeds  180 sec  2 sec  Check Replica Count
-    Wait Until Keyword Succeeds  180 sec  2 sec  Wait Replica Pods In Up State
+    Log To Console  Current Master ${NEW_MASTER.metadata.name}
 
-    # check new master is writable
-    Log To Console   Test New Master Works
+    # check current master is writable
+    Log To Console   Test Current Master Works
     Wait Until Keyword Succeeds  120 sec  1 sec  Insert Test Record  ${NEW_MASTER.status.pod_ip}
 
+    # check replication after recovery
     Run Keyword  Check Replica Count
-    Run Keyword  Replication Works
-
-
-*** Keywords ***
-Get Statefulset Name From Pod Name
-    [Arguments]  ${pod_name}
-    ${sts_name}=  Evaluate  "${pod_name}".rsplit("-", 1)[0]
-    RETURN  ${sts_name}
-
-Scale Statefulset
-    [Arguments]  ${sts_name}  ${replicas}
-    ${result}=  Run Process  kubectl  -n  %{POD_NAMESPACE}  scale  statefulset  ${sts_name}  --replicas  ${replicas}  stdout=PIPE  stderr=PIPE
-    Log  ${result.stdout}
-    Log  ${result.stderr}
-    Should Be Equal As Integers  ${result.rc}  0
-
-Pod Should Not Exist
-    [Arguments]  ${pod_name}
-    ${result}=  Run Process  kubectl  -n  %{POD_NAMESPACE}  get  pod  ${pod_name}  stdout=PIPE  stderr=PIPE
-    Should Not Be Equal As Integers  ${result.rc}  0
+    Run Keyword  Replication Works