... Prefix is identified by simplistic regular expression on JSON data.
...
... This resource assumes that RequestsLibrary has open a connection named "operational"
-... which points to (an analogue of) http://<ip-addr>:${RESTCONFPORT}/${OPERATIONAL_API}
+... which points to (an analogue of) http://<ip-addr>:${RESTCONFPORT}
... or user has to provide a similar session.
Library RequestsLibrary
+Resource ${CURDIR}/ShardStability.robot
Resource ${CURDIR}/WaitUtils.robot
Resource ${CURDIR}/ScalarClosures.robot
+*** Variables ***
+${PC_NW_TOPOLOGY} ${OPERATIONAL_API}/network-topology:network-topology/topology
+
*** Keywords ***
PC_Setup
[Documentation] Call dependency setups and construct suite variables.
[Documentation] GET the ${topology} data, check status is 200, return the topology data.
...
... Contrary to Utils.Get_Data_From_URI, this does not Log the (potentially huge) content.
- ${response} = RequestsLibrary.Get_Request ${session} network-topology:network-topology/topology/${topology}
+ ${response} = RequestsLibrary.Get_Request ${session} ${PC_NW_TOPOLOGY}/${topology}
Run_Keyword_If ${response.status_code} != 200 Fail Get on ${topology} returned status code ${response.status_code} with message: ${response.text}
[Return] ${response.text}
${prefix_count} = Builtin.Evaluate len(re.findall('"prefix":"', '''${topology}''')) modules=re
[Return] ${prefix_count}
+Get_Ipv4_Topology_Count_With_Shards_Check
+ [Arguments] ${shards_list} ${details_exp} ${session}=operational ${topology}=example-ipv4-topology
+ [Documentation] Get topology after the shards stability check passes. If not fail, return number of prefixes in the topology.
+ ${details_actual}= ShardStability.Shards_Stability_Get_Details ${shards_list} http_timeout=125
+ ShardStability.Shards_Stability_Compare_Same ${details_actual} stateless_details=${details_exp}
+ ${topology} = Get_Ipv4_Topology session=${session} topology=${topology}
+ # Triple quotes are precaution against formatted output.
+ ${prefix_count} = Builtin.Evaluate len(re.findall('"prefix":"', '''${topology}''')) modules=re
+ [Return] ${prefix_count}
+
Check_Ipv4_Topology_Count
[Arguments] ${expected_count} ${session}=operational ${topology}=example-ipv4-topology
[Documentation] Check that the count of prefixes matches the expected count. Fails if it does not. In either case, collect garbage.
Wait_For_Ipv4_Topology_Prefixes_To_Become_Stable
[Arguments] ${timeout}=60s ${period}=5s ${repetitions}=1 ${excluded_count}=-1 ${session}=operational ${topology}=example-ipv4-topology
- [Documentation] Each ${period} get prefix count. After ${repetitions} of stable different from ${excluded_count} within ${timeout}, Return validator output. Fail early on getter error.
+ ... ${shards_list}=${EMPTY} ${shards_details}=${EMPTY}
+ [Documentation] Each ${period} get prefix count. When called with shard list, the check is done before the count is get. After ${repetitions} of stable different from ${excluded_count} within ${timeout}, Return validator output. Fail early on getter error.
# This is very similar to ChangeCounter keyword, but attempt to extract common code would increase overall code size.
- ${getter} = ScalarClosures.Closure_From_Keyword_And_Arguments Get_Ipv4_Topology_Count session=${session} topology=${topology}
+ ${getter} = BuiltIn.Run_Keyword_If """${shards_list}"""=="""${EMPTY}""" ScalarClosures.Closure_From_Keyword_And_Arguments Get_Ipv4_Topology_Count session=${session} topology=${topology}
+ ... ELSE ScalarClosures.Closure_From_Keyword_And_Arguments Get_Ipv4_Topology_Count_With_Shards_Check ${shards_list} ${shards_details} session=${session}
+ ... topology=${topology}
${validator} = ScalarClosures.Closure_From_Keyword_And_Arguments WaitUtils.Excluding_Stability_Safe_Stateful_Validator_As_Keyword state_holder data_holder excluded_value=${excluded_count}
${result} = WaitUtils.Wait_For_Getter_Error_Or_Safe_Stateful_Validator_Consecutive_Success timeout=${timeout} period=${period} count=${repetitions} getter=${getter} safe_validator=${validator}
... initial_state=${excluded_count}