test(NODE-4894): re-enable kerberos tests on 18 (#3527)

Author: durran

.evergreen/config.in.yml

@@ -452,6 +452,7 @@ functions:
         script: |
           export PROJECT_DIRECTORY="$(pwd)"
           export KRB5_KEYTAB='${gssapi_auth_keytab_base64}'
+          export KRB5_NEW_KEYTAB='${gssapi_auth_new_keytab_base64}'
           export KRB5_PRINCIPAL='${gssapi_auth_principal}'
           export MONGODB_URI='${gssapi_auth_mongodb_uri}'
           export NODE_LTS_NAME='${NODE_LTS_NAME}'

.evergreen/config.yml

@@ -421,6 +421,7 @@ functions:
         script: |
           export PROJECT_DIRECTORY="$(pwd)"
           export KRB5_KEYTAB='${gssapi_auth_keytab_base64}'
+          export KRB5_NEW_KEYTAB='${gssapi_auth_new_keytab_base64}'
           export KRB5_PRINCIPAL='${gssapi_auth_principal}'
           export MONGODB_URI='${gssapi_auth_mongodb_uri}'
           export NODE_LTS_NAME='${NODE_LTS_NAME}'
@@ -2769,6 +2770,7 @@ buildvariants:
       - test-5.0-load-balanced
       - test-6.0-load-balanced
       - test-latest-load-balanced
+      - test-auth-kerberos
       - test-auth-ldap
       - test-socks5
       - test-socks5-csfle

.evergreen/generate_evergreen_tasks.js

@@ -688,9 +688,9 @@ for (const variant of BUILD_VARIANTS.filter(
   );
 }
 
-// TODO(NODE-4894): fix kerberos tests on Node18
+// TODO(NODE-5021): Drop support for Kerberos 1.x on in 6.0.0
 for (const variant of BUILD_VARIANTS.filter(
-  variant => variant.expansions && ['hydrogen', 'latest'].includes(variant.expansions.NODE_LTS_NAME)
+  variant => variant.expansions && ['latest'].includes(variant.expansions.NODE_LTS_NAME)
 )) {
   variant.tasks = variant.tasks.filter(
     name => !['test-auth-kerberos'].includes(name)

.evergreen/run-kerberos-tests.sh

@@ -6,16 +6,17 @@ source "${PROJECT_DIRECTORY}/.evergreen/init-nvm.sh"
 
 # set up keytab
 mkdir -p "$(pwd)/.evergreen"
-touch "$(pwd)/.evergreen/krb5.conf.empty"
 export KRB5_CONFIG="$(pwd)/.evergreen/krb5.conf.empty"
 echo "Writing keytab"
 # DON'T PRINT KEYTAB TO STDOUT
 set +o verbose
 if [[ "$OSTYPE" == "darwin"* ]]; then
-    echo ${KRB5_KEYTAB} | base64 -D > "$(pwd)/.evergreen/drivers.keytab"
+    echo ${KRB5_NEW_KEYTAB} | base64 -D > "$(pwd)/.evergreen/drivers.keytab"
 else
-    echo ${KRB5_KEYTAB} | base64 -d > "$(pwd)/.evergreen/drivers.keytab"
+    echo ${KRB5_NEW_KEYTAB} | base64 -d > "$(pwd)/.evergreen/drivers.keytab"
 fi
+echo "Running kdestroy"
+kdestroy -A
 echo "Running kinit"
 kinit -k -t "$(pwd)/.evergreen/drivers.keytab" -p ${KRB5_PRINCIPAL}