Deploy GCXI

This topic is part of the manual Genesys Customer Experience Insights Private Edition Guide for version Current of Reporting.

Prepare to deploy GCXI

Before you begin, ensure that:

You are logged in to your OpenShift or GKE cluster.
For HA deployments, at least two worker nodes are available for GCXI pods.
Each Worker machine meets the following minimum requirements:
- 64-bit compatible CPU architecture. (2 or more CPUs).
- 10 GB for each GCXI container, and 2 GB for the PostgreSQL container. Production deployments commonly reserve 16 – 64 GB RAM for each container.
- 40 GB of available disk space, if you are loading images from a repository.
Helm-3 is installed on the host where the deployment will run.
Images gcxi and gcxi_control are properly tagged and loaded on the registry. During deployment, OpenShift pulls the images from the registry to each OpenShift worker node.

On each worker node, values are set for kernel.sem and vm.max_map_count, as required by MicroStrategy. For example:

echo "kernel.sem = 250 1024000 250 4096" >> /etc/sysctl.conf echo "vm.max_map_count = 5242880" >> /etc/sysctl.conf sysctl -p

**PVCs required by GCXI**
Mount Name	Mount Path (inside container)	Description	Access Type	Default Mount Point on Host (can be changed through values; these directories MUST pre-exist on your host to accommodate the local provisioner)	Shared across Nodes?	Required Node Label (applies to deafult Local PVs setup)
gcxi-backup	/genesys/gcxi_shared/backup	Backups Used by control container / jobs.	RWX	/genesys/gcxi/backup Can be overwritten by: Values.gcxi.local.pv.backup.path	Not necessarily.	gcxi/local-pv-gcxi-backup = "true"
gcxi-log	/mnt/log	MSTR logs Used by main container. The Chart allows log volumes of legacy hostPath type. This scenario is the default.	RWX	/mnt/log/gcxi subPathExpr: $(POD_NAME) Can be overwritten by: Values.gcxi.local.pv.log.path	Must not be shared across nodes.	gcxi/local-pv-gcxi-log = "true" Node label is not required if you are using hostPath volumes for logs.
gcxi-postgres	/var/lib/postgresql/data	Meta DB volume Used by Postgres container, if deployed.	RWO	/genesys/gcxi/shared Can be overwritten by: Values.gcxi.local.pv.postgres.path	Yes, unless you tie PostgreSQL container to a particular node.	gcxi/local-pv-postgres-data = "true"
gcxi-share	/genesys/gcxi_share	MSTR shared caches and cubes. Used by main container.	RWX	/genesys/gcxi/data subPathExpr: $(POD_NAME) Can be overwritten by: Values.gcxi.local.pv.share.path	Yes	gcxi/local-pv-gcxi-share = "true"

Creating PVCs

Genesys recommends either of the following methods to create PVCs:

Create PVcs in advance

You can create PVCs in advance, and simply configure the names in the values override file, for example:

pvc:
    log:
      volumeName: gcxi-log-pv
    backup:
      volumeName: gcxi-backup-pv
    share:
      volumeName: gcxi-share-pv
    postgres:
      volumeName: gcxi-postgres-pv

Create PVCs using Helm

You can configure the storage class name in the values override file, and let Helm create the PVCs, for example:

pvc:
    backup:
      capacity: 1Gi
      # if gcxi.deployment.deployLocalPV == true, this defaults to gcxi.storageClass.local.name
      # otherwise must be set explicitly
      storageClassName: azure-files-retain #storage class name
      volumeName:
    log:
      capacity: 1Gi
      hostPath: /mnt/log/gcxi
      # if gcxi.deployment.deployLocalPV == true, this defaults to gcxi.storageClass.local.name
      # otherwise must be set explicitly
      storageClassName: azure-files-retain #storage class name
      volumeName:
    postgres:
      capacity: 1Gi
      # if gcxi.deployment.deployLocalPV == true, this defaults to gcxi.storageClass.local.name
      # otherwise must be set explicitly
      storageClassName: azure-files
      volumeName:
    share:
      capacity: 1Gi
      # if gcxi.deployment.deployLocalPV == true, this defaults to gcxi.storageClass.local.name
      # otherwise must be set explicitly
      storageClassName: azure-files-retain
      volumeName:

Install GCXI

The following procedures describe example steps to deploy GCXI with OpenShift or GKE. The exact steps required will vary for your environment.

1. Prepare for deployment

Complete the following steps to prepare the environment, and gather files needed for deployment.

Contents of the Helm IP

Prerequisites

Within the the Genesys Customer Experience Insights package for the Docker Linux OS, look for the Helm installation package (IP) — a small TGZ file (for example gcxi-9.0.018.00.tgz) that contains the Helm files. You require these files to complete this procedure.

On the host where the deployment will run, create a folder: helm.
Copy the Helm installation package (for example gcxi-9.0.018.00.tgz) into the helm folder, and extract the archive into a subfolder called helm/gcxi.
View the file helm/gcxi/Chart.yaml, and ensure that the appVersion is set to the desired GCXI version.

Open the file helm/gcxi/values.yaml, and follow the instructions it provides to guide you in creating a new file, values-test.yaml with appropriate settings. Save the new file in the helm folder.

For example, the following content in the values-test.yaml file is appropriate for a simple deployment with key parameters , ingress and with PersistentVolumes named gcxi-log-pv, gcxi-backup-pv, and gcxi-share-pv (which are deployed using PVCs required by GCXI). Create content in the values-test.yaml file that is appropriate for your environment:

gcxi:
    env:
        GCXI_GIM_DB:
             DSNDEF: DSN_NAME=GCXI_GIM_DB;DB_TYPE=POSTGRESQL;DB_TYPE_EX=PostgreSQL;HOST=gim_db_host;PORT=5432;DB_NAME=gim_db;LOGIN=;PASSWORD=;DRV_TYPE=JDBC;GCXI_QENGINE=ON
             LOGIN: gim_login
             PASSWORD: gim_password
 
        IWD_DB:
            DSNDEF: DSN_NAME=IWD_DB;DB_TYPE=POSTGRESQL;DB_TYPE_EX=PostgreSQL;HOST=iwd_db_host;PORT=5432;DB_NAME=dm_gcxi;LOGIN=;PASSWORD=;DRV_TYPE=JDBC;GCXI_QENGINE=ON
           LOGIN: iwd_login
           PASSWORD: iwd_password
    deployment:
       deployLocalPV: false
       useDynamicLogPV: false
       hostIPC: false
    replicas: 
       worker: 2
    pvc:
        log:
           volumeName: gcxi-log-pv
       backup:
            volumeName: gcxi-backup-pv
       share:
           volumeName: gcxi-share-pv
    ingress:
      # http path and annotations may be overriden for external and internal access separately
      annotations:
        nginx.ingress.kubernetes.io/affinity: cookie
        nginx.ingress.kubernetes.io/affinity-mode: persistent
        nginx.ingress.kubernetes.io/proxy-body-size: "50m"
        nginx.ingress.kubernetes.io/proxy-buffer-size: "8k"
        nginx.ingress.kubernetes.io/ssl-redirect: "false"
     domain:
       external:
         annotations:
         host: gcxi.<your-domain>
         tls:
           enabled: true
           secretName: gcxi-ingress-ext
       internal:
         annotations:
         host: gcxi-int.<your-domain>
         tls:
           enabled: true
           secretName: gcxi-ingress-int
       path: /

2. Deploy GCXI

Complete the following steps to deploy GCXI. This procedure provides steps for environments without LDAP — for environments that include LDAP (or other features not supported in values.yaml) you can pass container environment variables such MSTR_WEB_LDAP_ON=true using the gcxi.envvars file (for example: --set-file gcxi.envext=gcxi.envvars).

Log in to Openshift or GKE cluster from the host where you will run deployment;
For debug purposes, execute the following command to render templates without installing:
```
helm template --debug -f values-test.yaml gcxi-helm gcxi/
```
Kubernetes descriptors are displayed. The values you see are generated from Helm templates, and based on settings from values.yaml and values-test.yaml. Ensure that no errors are displayed; you will later apply this configuration to your Kubernetes cluster.
To deploy GCXI, execute the following command:
```
helm install --debug --namespace gcxi --create-namespace -f values-test.yaml gcxi-oc gcxi/
```
This process takes several minutes. Wait until all objects are created and allocated, and the Kubernetes descriptors applied to the environment appear.
To check the installed Helm release, execute the following command:
```
helm list –n gcxi
```
To check GCXI OpenShift objects created by Helm, execute the following command:
```
kubectl get all -n gcxi
```
This step is applicable only to OpenShift deployments. Complete the following action only if you have not enabled ingress in the values override file: To make GCXI accessible from outside the cluster, using the standard HTTP port. For production environments, Genesys recommends that you create secure routes as discussed on the OpenShift website. For testing or development environments, perform the following steps:
1. Execute the following command to expose the gcxi service:
  oc expose service gcxi --port web --name web
2. Execute the following command to verify that the new route is created in the gcxi project:
  oc get route -n gcxi
  Route information appears, similar to the following:
  NAME HOST/PORT PATH SERVICES PORT TERMINATION WILDCARD web web-gcxi.<host> gcxi web None
  where <host> is the host name generated by OpenShift.
Verify that you can now access GCXI at the following URL:
```
http://web-gcxi.<host>/MicroStrategy/servlet/mstrWeb
```

Validate the deployment

Check to ensure that you can now view reports and dashboards.

Viewing Historical Reports

To view (or edit) the GCXI historical reports, open MicroStrategy Web by pointing your web browser to http://<servername>:<port>/MicroStrategy/servlet/mstrWeb*, where <servername>:<port> are the server name and port provided by your administrator.

Verify that an assortment of report folders are present (Agents, Business Results, Callback, and so on) and that each one contains one or more reports. Note that, before you can view a report, you must run the report in order to populate data. For more information, see Generate historical reports.

Maintenance and troubleshooting

Use the instructions in this section only if you encounter errors or other difficulties. Problems with the deployment are most often associated with the following three kinds of objects:

PVs
PVCs
pods

Use the following steps to examine events associated with these objects:

To list the objects that might cause problems, execute the following commands:

kubectl get pv -o wide

kubectl get pvc -o wide -n gcxi

kubectl get po -o wide -n gcxi

Examine the output from each get command. If any of the objects have a non-ready state (for example, Unbound (PVCs only), Pending, or CrashLoop) execute the following command to inspect the object more closely using kubectl describe:
```
kubectl describe <type> <name> For example: kubectl describe po gcxi-0
```
In the describe output, inspect the section Events.

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