remove additional references to node 16, remove optional 18 builds (n…

…ow default)

Signed-off-by: MarkAckert <[email protected]>

.github/scripts/cicd_test/make_matrix.sh

@@ -32,11 +32,6 @@ case $install_test_choice in
   test_file="$KEYRING_TESTFILE"
   ;;
 
-"z/OS node v18")
-  test_file="$ZOS_NODE_V18_TESTFILE"
-  test_force_system="zzow11"
-  ;;
-
 "z/OS node v20")
   test_file="$ZOS_NODE_V20_TESTFILE"
   ;;

.github/workflows/cicd-test-readme.md

@@ -29,7 +29,7 @@ Workflow trigger is at [cicd-test](https://github.com/zowe/zowe-install-packagin
   - SMPE PTF
   - Extensions
   - Keyring
-  - z/OS node v18
+  - z/OS node v20
   - Non-strict Verify External Certificate
   - Install PTF twice
   - VSAM Caching storage method
@@ -109,7 +109,7 @@ Background: CICD testing relies on a `zowe.pax` or `zowe-smpe.zip` (for SMPE ins
 When running CICD integration tests during RC stage, the following string will be parsed into the Github Actions matrix. As a result, a total of 21 independent jobs will be spawned.
 
 ```
-basic/install.ts(zzow09,zzow10,zzow11);basic/install-ptf.ts(zzow09,zzow10,zzow11);basic/install-ext.ts(zzow10);extended/keyring.ts(zzow09,zzow10,zzow11);extended/node-versions/node-v18.ts(zzow09,zzow10,zzow11);extended/node-versions/node-v20.ts(zzow09,zzow10,zzow11);extended/certificates/nonstrict-verify-external-certificate.ts(zzow09)
+basic/install.ts(zzow09,zzow10,zzow11);basic/install-ptf.ts(zzow09,zzow10,zzow11);basic/install-ext.ts(zzow10);extended/keyring.ts(zzow09,zzow10,zzow11);extended/node-versions/node-v20.ts(zzow09,zzow10,zzow11);extended/node-versions/node-v20.ts(zzow09,zzow10,zzow11);extended/certificates/nonstrict-verify-external-certificate.ts(zzow09)
 ```
 
 Total elapsed time when running in parallel is approximately 3.5 hours on paper idealy if all parallel jobs are executing at the same time. In reality, from numerous tests performed, total elapsed time is around 4 hours.  
@@ -121,7 +121,6 @@ Selected test running elapsed time:
 | ---- | ------------ |
 | Convenience Pax | 53m |
 | SMPE PTF | 68m |
-| z/OS node v18 | 45m |
 | z/OS node v20 | 45m |
 | Keyring | 53m |
 | Non-strict Verify External Certificate | 51m |

.github/workflows/cicd-test.yml

@@ -31,7 +31,6 @@ on:
           - SMPE PTF
           - Extensions
           - Keyring
-          - z/OS node v18
           - z/OS node v20
           - Non-strict Verify External Certificate
           - Install PTF Twice
@@ -69,8 +68,8 @@ env:
   DEFAULT_ZOWE_EXT_ARTIFACTORY_PATTERN: libs-snapshot-local/org/zowe/{ext-name}/{ext-version}/{ext-name}-*.pax
 
   # below block can be overwritten, adjusted by DevOps only
-  # ZOS_NODE_VERSION more to choose from: v16.20.1,  v18.16.0
-  ZOS_NODE_VERSION: v16.20.1
+  # ZOS_NODE_VERSION more to choose from: v18.16.0, v20.11.0
+  ZOS_NODE_VERSION: v18.16.0
   CLIENT_NODE_VERSION: v12.18.3
   INSTALL_TEST_DEBUG_INFORMATION: zowe-install-test:*
   SANITY_TEST_DEBUG_INFORMATION: zowe-sanity-test:*
@@ -81,7 +80,6 @@ env:
   SMPE_PTF_TESTFILE: basic/install-ptf.ts
   EXTENSIONS_TESTFILE: basic/install-ext.ts
   KEYRING_TESTFILE: extended/keyring.ts
-  ZOS_NODE_V18_TESTFILE: extended/node-versions/node-v18.ts
   ZOS_NODE_V20_TESTFILE: extended/node-versions/node-v20.ts
   NON_STRICT_VERIFY_EXTERNAL_CERTIFICATE_TESTFILE: extended/certificates/nonstrict-verify-external-certificate.ts
   INSTALL_PTF_TWICE_TESTFILE: extended/install-ptf-two-times.ts
@@ -90,7 +88,7 @@ env:
   CONFIG_MANAGER_TESTFILE: extended/config-manager/enable-config-manager.ts
   GENERAL_API_DOCUMENTATION_TESTFILE: basic/install-api-gen.ts
   ZOWE_NIGHTLY_TESTS_FULL: basic/install.ts(all);basic/install-fmid.ts(all)
-  ZOWE_RELEASE_TESTS_FULL: basic/install.ts(all);basic/install-fmid.ts(all);basic/install-ext.ts(any);extended/keyring.ts(all);extended/node-versions/node-v18.ts(zzow11):extended/certificates/nonstrict-verify-external-certificate.ts(any);extended/caching-storages/infinispan-storage.ts(any);extended/config-manager/enable-config-manager.ts(any)
+  ZOWE_RELEASE_TESTS_FULL: basic/install.ts(all);basic/install-fmid.ts(all);basic/install-ext.ts(any);extended/keyring.ts(all);extended/node-versions/node-v20.ts(zzow11):extended/certificates/nonstrict-verify-external-certificate.ts(any);extended/caching-storages/infinispan-storage.ts(any);extended/config-manager/enable-config-manager.ts(any)
 
 jobs:
   display-dispatch-event-id:
@@ -298,9 +296,6 @@ jobs:
               case 'Keyring':
                 eta = 53
                 break;
-              case 'z/OS node v18':
-                eta = 45
-                break;
               case 'z/OS node v20':
                 eta = 45
                 break;