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#!/bin/bash

set -euo pipefail

IFS=$'\n\t'

olmv1_manifest=$MANIFEST

olmv1_namespace=olmv1-system

usage() {

cmd=$(basename $0)

cat <<EOF

NAME

${cmd} - install OLMv1 into a cluster

SYNOPSIS

${cmd} [-n <namespace>] [-h]

DESCRIPTION

Installs OLMv1 in the provided <namespace> with cert-manager.

A kubernetes configuration must already be present.

-n <namespace>

install OLMv1 in the given <namespace>. Defaults to olmv1-system.

-h

help (this text)

EOF

exit 0

}

while getopts n:h opt; do

case ${opt} in

n) olmv1_namespace=${OPTARG} ;;

h) usage ;;

*) echo "Unknown option" >&2

exit 1

esac

done

if [[ -z "$olmv1_manifest" ]]; then

echo "Error: Missing required MANIFEST variable"

exit 1

default_catalogs_manifest=$DEFAULT_CATALOG

cert_mgr_version=$CERT_MGR_VERSION

install_default_catalogs=$INSTALL_DEFAULT_CATALOGS

catalog_wait_timeout=${CATALOG_WAIT_TIMEOUT:-60s}

if [[ -z "$cert_mgr_version" ]]; then

echo "Error: Missing CERT_MGR_VERSION variable"

exit 1

kubectl_wait() {

namespace=$1

runtime=$2

timeout=$3

kubectl wait --for=condition=Available --namespace="${namespace}" "${runtime}" --timeout="${timeout}"

}

kubectl_wait_rollout() {

namespace=$1

runtime=$2

timeout=$3

kubectl rollout status --namespace="${namespace}" "${runtime}" --timeout="${timeout}"

}

kubectl_wait_for_query() {

manifest=$1

query=$2

timeout=$3

poll_interval_in_seconds=$4

if [[ -z "$manifest" || -z "$query" || -z "$timeout" || -z "$poll_interval_in_seconds" ]]; then

echo "Error: Missing arguments."

echo "Usage: kubectl_wait_for_query <manifest> <query> <timeout> <poll_interval_in_seconds>"

exit 1

start_time=$(date +%s)

while true; do

val=$(kubectl get "${manifest}" -o jsonpath="${query}" 2>/dev/null || echo "")

if [[ -n "${val}" ]]; then

echo "${manifest} has ${query}."

break

if [[ $(( $(date +%s) - start_time )) -ge ${timeout} ]]; then

echo "Timed out waiting for ${manifest} to have ${query}."

exit 1

sleep ${poll_interval_in_seconds}s

done

}

# Install cert-manager only if it is not already present on the cluster.

# Check both the CRD and the controller deployments to avoid false positives

# from stale CRDs left behind by a partial or incomplete installation.

if kubectl get crd certificates.cert-manager.io &>/dev/null && \

kubectl get deployment -n cert-manager cert-manager-webhook &>/dev/null && \

kubectl get deployment -n cert-manager cert-manager-cainjector &>/dev/null; then

echo "cert-manager is already installed, skipping installation"

else

kubectl apply -f "https://github.com/cert-manager/cert-manager/releases/download/${cert_mgr_version}/cert-manager.yaml"

# Wait for cert-manager to be fully ready

kubectl_wait "cert-manager" "deployment/cert-manager-webhook" "60s"

kubectl_wait "cert-manager" "deployment/cert-manager-cainjector" "60s"

kubectl_wait "cert-manager" "deployment/cert-manager" "60s"

kubectl_wait_for_query "mutatingwebhookconfigurations/cert-manager-webhook" '{.webhooks[0].clientConfig.caBundle}' 60 5

kubectl_wait_for_query "validatingwebhookconfigurations/cert-manager-webhook" '{.webhooks[0].clientConfig.caBundle}' 60 5

# Change the file into a file:// url

if [ -f "${olmv1_manifest}" ]; then

olmv1_manifest=file://localhost$(realpath ${olmv1_manifest})

# Clean up old RBAC resources from previous releases. The ClusterRoleBinding was

# renamed and the custom ClusterRole replaced with cluster-admin.

kubectl delete clusterrolebinding operator-controller-manager-rolebinding operator-controller-manager-admin-rolebinding --ignore-not-found

kubectl delete clusterrole operator-controller-manager-role --ignore-not-found

curl -L -s "${olmv1_manifest}" | sed "s/olmv1-system/${olmv1_namespace}/g" | kubectl apply -f -

# Wait for the rollout, and then wait for the deployment to be Available

kubectl_wait_rollout "${olmv1_namespace}" "deployment/catalogd-controller-manager" "60s"

kubectl_wait "${olmv1_namespace}" "deployment/catalogd-controller-manager" "60s"

kubectl_wait "${olmv1_namespace}" "deployment/operator-controller-controller-manager" "60s"

if [[ "${install_default_catalogs}" != "false" ]]; then

kubectl apply -f "${default_catalogs_manifest}"

kubectl wait --for=condition=Serving "clustercatalog/operatorhubio" --timeout="${catalog_wait_timeout}"

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