ForgeOps

Test User Generation

Running the Authentication Rate and OAuth 2.0 Authorization Code Flow benchmarks requires a set of test users. This page provides instructions for generating a set of test users suitable for these two lightweight AM benchmarks. Note that these test users are not necessarily suitable for other benchmarks or load tests, and that they can’t be used with IDM.

For Small and Medium Clusters

To generate test users for lightweight AM benchmarks for small and medium clusters, to provision the CDM userstores, and to prime the directory servers:

  1. Make sure your Kubernetes context is set to the cluster in which the CDM is deployed, and that prod is the current namespace.

  2. Obtain the password for the directory superuser, uid=admin:

    $ cd /path/to/forgeops/bin
    $ ./print-secrets dsadmin

    Make a note of this password. You’ll need it for subsequent steps in this procedure.

  3. Change to the directory that contains the source for the dsutil Docker container:

    $ cd /path/to/forgeops/docker/7.0/ds/dsutil

    You’ll generate test users from a pod you create from the dsutil container.

  4. Build and push the dsutil Docker container to your container registry, and then run the container.

    The my-registry parameter varies, depending on the location of your registry:

    $ docker build --tag=my-registry/dsutil .
    $ docker push my-registry/dsutil
    $ kubectl run -it dsutil --image=my-registry/dsutil --restart=Never -- bash

    The kubectl run command creates the dsutil pod, and leaves you in a shell that lets you run commands in the pod.

  5. Generate the test users—1,000,000 users for a small CDM cluster, and 10,000,000 for a medium cluster:

    Run these substeps from the dsutil pod’s shell:

    1. Make an LDIF file that has the number of user entries for your cluster size:

      For example, for a small cluster:

      $ /opt/opendj/bin/makeldif -o data/entries.ldif \
       -c numusers=1000000 config/MakeLDIF/ds-idrepo.template
      Processed 1000 entries
      Processed 2000 entries
      Processed 3000 entries
      . . .
      Processed 1000000 entries
      LDIF processing complete. 1000003 entries written

      When the Cloud Deployment Team ran the makeldif script, it took approximately:

      • 30 seconds to run on a small cluster.

      • 4 minutes to run on a medium cluster.

    2. Create the user entries in the directory:

      $ /opt/opendj/bin/ldapmodify \
       -h ds-idrepo-0.ds-idrepo -p 1389 --useStartTls --trustAll \
       -D "uid=admin" -w directory-superuser-password --noPropertiesFile \
       --no-prompt --continueOnError --numConnections 10 data/entries.ldif

      ADD operation successful messages appear as user entries are added to the directory.

      When the Cloud Deployment Team ran the ldapmodify command, it took approximately:

      • 15 minutes to run on a small cluster.

      • 2 hours 35 minutes to run on a medium cluster.

  6. Prime the directory servers:

    1. Open a new terminal window or tab.

      Use this new terminal window—not the one running the dsutil pod’s shell—for the remaining substeps in this step.

    2. Prime the directory server running in the ds-idrepo-0 pod:

      1. Start a shell that lets you run commands in the ds-idrepo-0 pod:

        $ kubectl exec ds-idrepo-0 -it -- bash
      2. Run the following command:

        $ ldapsearch -D "uid=admin" -w directory-superuser-password \
         -p 1636 -b "ou=identities"  uid=user.*  | grep dn: | wc -l
        10000000
      3. Exit from the id-dsrepo-0 pod’s shell:

        $ exit
    3. Prime the directory server running in the ds-idrepo-1 pod.

For Large Clusters

Here are some very general steps you can follow if you want to generate test users for benchmarking or load testing a large cluster:

  1. Install DS in a VM in the cloud.

  2. Run the makeldif and ldapmodify commands, as described above.

  3. Back up your directory.

  4. Upload the backup files to cloud storage.

  5. Restore a CDM idrepo pod from your backup, following the steps outlined in CDM Restore.

Next Step

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