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+#   Copyright (c) 2019 AT&T Intellectual Property.
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+*** Settings ***
+Documentation  A library of utility keywords that may be useful
+...            in various test suites.
+
+Library        Collections
+
+*** Keywords ***
+#
+# Kubernetes Utilities
+Most Recent Availability Condition
+  # this makes the probably-unsafe assumption that the conditions are ordered
+  # temporally.
+  [Arguments]  @{Conditions}
+  ${status} =  Set Variable  'False'
+  :FOR  ${Condition}  IN  @{Conditions}
+  \  ${status} =  Set Variable If  '${Condition.type}' == 'Available'  ${Condition.status}  ${status}
+  [Return]  ${status}
+
+Most Recent Container Logs
+  [Arguments]  ${deployment}  ${container}=${EMPTY}  ${regex}=${EMPTY}
+  ${pods} =            Retrieve Pods For Deployment  ${deployment}
+  ${logs} =            Create List
+  :FOR  ${pod}  IN  @{pods}
+  \  ${log} =   Retrieve Log For Pod     ${pod}             ${container}
+  \  Should Not Be Empty        ${log}   No log entries for ${pod}/${container}
+  \  ${line} =  Run Keyword If           "${regex}" != "${EMPTY}"
+  ...                                    Most Recent Match  ${log}  ${regex}
+  ...           ELSE
+  ...                                    Get From List      ${log}  -1
+  \  Append To List             ${logs}  ${line}
+  [Return]                      ${logs}
+
+#
+# Robot metatools
+Run Keyword If Present
+  [Documentation]  Run the given keyword, ignoring errors and returning status, if it exists.
+  ...              Returns "PASS" if the keyword does not exist.
+  [Arguments]            ${kw}
+  ${exists}  ${u} =      Run Keyword And Ignore Error
+  ...                    Keyword Should Exist          ${kw}
+  ${status}  ${u} =      Run Keyword If                '${exists}' == 'PASS'
+  ...                    Run Keyword And Ignore Error  ${kw}
+  ...                    ELSE
+  ...                    Set Variable   PASS  unused
+  [Return]               ${status}
+
+#
+# Data manipulation
+Toggle Flag
+    [Documentation]      Apply "not" to a boolean flag
+    [Arguments]          ${flag}
+    ${bFlag} =           Convert To Boolean  ${flag}
+    ${bFlag} =           Set Variable If     ${bFlag}  ${false}  ${true}
+    [Return]             ${bFlag}
+
+Most Recent Match
+    [Arguments]    ${list}        ${regex}
+    ${matches} =   Get Matches    ${list}     regexp=${regex}
+    Should Not Be Empty           ${matches}  No log entries matching ${regex}
+    ${match} =     Get From List  ${matches}  -1
+    [Return]       ${match}
+  
+Pluck
+     [Documentation]  Get the values of a specific key from a list of dictionaries
+     [Arguments]      ${k}      ${l}
+     @{names} =       Evaluate  filter(lambda v: v != None, [i.get('${k}', None) for i in ${l}])
+     [Return]         ${names}
+
+Subtract From List
+     [Documentation]  Remove the elements of the second argument from the first
+     [Arguments]      ${x}  ${y}
+     ${diff} =        Run Keyword If  ${y}
+     ...              Evaluate  filter(lambda v: v not in ${y}, ${x})
+     ...              ELSE
+     ...              Set Variable    ${x}
+     [Return]         ${diff}