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57
samples/cluster/README.md
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57
samples/cluster/README.md
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# Preparing the K8s Cluster
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*nplus* Charts bring some custom resources, *Application*, *Instance* and *Component*. they are created during deployment of a chart and then updated by the environment operator every time the status changes.
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To make this work, you will need to have the *Custom Resource Definitions* applied to your cluster prior to deploying any environment or component. This deployment is handled by the *Cluster Chart*.
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```bash
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helm install nplus/nplus-cluster
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```
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The *CRDs* are grouped into *nscale* and *nplus* (both synonym), so that you can either query for
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```bash
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kubectl get instance
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kubectl get component
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kubectl get application
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```
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or simply all at once with
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```bash
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kubectl get nscale -A
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```
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the output looks like this (shortened output, showing the installed samples):
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```bash
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$ kubectl get nscale -A
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NAMESPACE NAME INSTANCE COMPONENT TYPE VERSION STATUS
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empty-sim component.nplus.cloud/database empty-sim database database 16 healthy
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empty-sim component.nplus.cloud/nappl empty-sim nappl core 9.2.1302 healthy
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lab component.nplus.cloud/demo-centralservices-s3-nstl demo-centralservices-s3 nstl nstl 9.2.1302 healthy
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lab component.nplus.cloud/demo-ha-web demo-ha web web 9.2.1300 redundant
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lab component.nplus.cloud/demo-ha-webdav demo-ha webdav webdav 9.2.1000 redundant
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lab component.nplus.cloud/demo-ha-zerotrust-administrator demo-ha-zerotrust administrator administrator 9.2.1300 healthy
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lab component.nplus.cloud/no-provisioner-nstl no-provisioner nstl nstl 9.2.1302 healthy
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lab component.nplus.cloud/no-provisioner-rs no-provisioner rs rs 9.2.1201 starting
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lab component.nplus.cloud/no-provisioner-web no-provisioner web web 9.2.1300 healthy
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lab component.nplus.cloud/sbs-nappl sbs nappl core 9.2.1302 healthy
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NAMESPACE NAME INSTANCE APPLICATION VERSION STATUS
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empty-sim application.nplus.cloud/application empty-sim application 9.2.1303-123 healthy
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empty-sim application.nplus.cloud/prepper empty-sim prepper 1.2.1300 healthy
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lab application.nplus.cloud/demo-ha-zerotrust-application demo-ha-zerotrust application 9.2.1303-123 healthy
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lab application.nplus.cloud/demo-shared-application demo-shared application 9.2.1303-123 healthy
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lab application.nplus.cloud/sbs-sbs sbs SBS 9.2.1303-123 healthy
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lab application.nplus.cloud/tenant-application tenant application 9.2.1303-123 healthy
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NAMESPACE NAME HANDLER VERSION TENANT STATUS
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empty-sim instance.nplus.cloud/empty-sim manual 9.2.1302 healthy
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lab instance.nplus.cloud/default manual 9.2.1302 healthy
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lab instance.nplus.cloud/demo-centralservices manual 9.2.1302 healthy
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lab instance.nplus.cloud/rms manual 9.2.1302 healthy
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lab instance.nplus.cloud/sbs manual 9.2.1302 healthy
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lab instance.nplus.cloud/tenant manual 9.2.1302 healthy
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```
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samples/cluster/build.sh
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samples/cluster/build.sh
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#!/bin/bash
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#
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# This sample script builds the example as described. It is also used to build the test environment in our lab,
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# so it should be well tested.
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#
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# Make sure it fails immediately, if anything goes wrong
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set -e
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# -- ENVironment variables:
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# CHARTS: The path to the source code
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# DEST: The path to the build destination
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# SAMPLE: The name of the sample
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SAMPLE=cluster
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# Check, if we have the source code available
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if [ ! -d "$CHARTS" ]; then
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echo "ERROR Building $SAMPLE example: The Charts Sources folder is not set. Please make sure to run this script with the full Source Code available"
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exit 1
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fi
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if [ ! -d "$DEST" ]; then
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echo "ERROR Building $SAMPLE example: DEST folder not found."
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exit 1
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fi
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if [ ! -d "$CHARTS/$SAMPLE" ]; then
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echo "ERROR Building $SAMPLE example: Chart Sources in $CHARTS/$SAMPLE not found. Are you running this script as a subscriber?"
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exit 1
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fi
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# Output what is happening
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echo "Building $SAMPLE"
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# Create the manifest
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mkdir -p $DEST/cluster
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helm template --debug \
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nplus $CHARTS/cluster > $DEST/cluster/nplus.yaml
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