copy-capabilities.sh

#!/bin/bash
set -e

function requires() {
    if ! command -v $1 &>/dev/null; then
        echo "Requires $1"
        exit 1
    fi
}

scriptname=$(basename $0)

function usage {
    echo "usage: $scriptname project clustergroup [sourceclustergroup]"
    echo "  project             the project in Tanzu Platform to use"
    echo "  clustergroup        the clustergroup to copy capabilities to"
    echo "  sourceclustergroup  the source clustergroup to copy capabilities from, defaults to 'run'"
    exit 1
}


requires "yq"
requires "ytt"

if [ "$#" -lt 2 ] || [ "$#" -gt 3 ]; then
    echo "Illegal number of parameters"
    usage
fi

project=$1
clustergroup=$2
sourceclustergroup=${3:-run}

#export KUBECONFIG="$HOME/.config/tanzu/kube/config"
tanzu project use $project
tanzu operations clustergroup use $sourceclustergroup
packages=$(KUBECONFIG="$HOME/.config/tanzu/kube/config" kubectl get packageinstall -o yaml | yq '.items[] | split_doc')

tanzu operations clustergroup use $clustergroup
ytt -f- <<EOF | KUBECONFIG="$HOME/.config/tanzu/kube/config" kubectl create --validate=false -f-
$packages

#@ load("@ytt:overlay", "overlay")

#@ def secret(packageinstall):
apiVersion: v1
kind: Secret
type: Opaque
metadata:
  name: #@ packageinstall["metadata"]["name"]
data:
  values.yml: ""
#@ end

#@overlay/match by=overlay.subset({"kind": "PackageInstall"}), expects="1+"
#@overlay/insert after=True, via=lambda packageinstall, _: secret(packageinstall)
---

#@overlay/match by=overlay.subset({"kind": "PackageInstall"}), expects="1+"
#@overlay/match-child-defaults missing_ok=True
---
metadata:
  #@overlay/remove
  annotations:
  #@overlay/remove
  labels:
  #@overlay/remove
  creationTimestamp:
  #@overlay/remove
  generation:
  #@overlay/remove
  resourceVersion:
  #@overlay/remove
  uid:
#@overlay/remove
status:

#@ def secretRefFragment(name):
- secretRef:
    name: #@ name
#@ end

#@ def secretRef(packageinstall, result):
#@ mod_packageinstall = dict(packageinstall)
#@ mod_packageinstall_spec = dict(mod_packageinstall["spec"])
#@ mod_packageinstall_spec.update({"values": secretRefFragment(packageinstall["metadata"]["name"])})
#@ mod_packageinstall.update({"spec": mod_packageinstall_spec})
#@ return mod_packageinstall
#@ end

#@overlay/match by=overlay.subset({"kind": "PackageInstall"}), expects="1+"
#@overlay/replace via=secretRef
---

EOF