feat(make): Introduce olm-deploy goal, a one-shot OLM deployer

Makefile

@@ -249,6 +249,10 @@ deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in
 undeploy: ## Undeploy controller from the K8s cluster specified in ~/.kube/config.
 	$(KUSTOMIZE) build config/default | kubectl delete --ignore-not-found=true -f -
 
+.PHONY: olm-deploy
+olm-deploy: ## Build the operator bundle and deploy it to OpenShift through OLM
+	./hack/scripts/olm-deploy.sh
+
 CONTROLLER_GEN = $(shell pwd)/bin/controller-gen
 .PHONY: controller-gen
 controller-gen: ## Download controller-gen locally if necessary.

hack/scripts/olm-deploy.sh

@@ -0,0 +1,125 @@
+#!/usr/bin/env bash
+# https://github.com/olivergondza/bash-strict-mode
+set -eEuo pipefail
+trap 's=$?; echo >&2 "$0: Error on line "$LINENO": $BASH_COMMAND"; exit $s' ERR
+
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
+
+SUBSCRIPTION_NAME="gitops-operator"
+OPERATOR_NAMESPACE="openshift-gitops-operator"
+VERSION="$(git describe --tags --dirty | sed 's/^v//')-$(date '+%Y%m%d-%H%M%S')"
+
+function build_bundles() {
+    export VERSION
+    make build docker-build docker-push bundle bundle-build bundle-push catalog-build catalog-push
+}
+
+function install_catalog_source() {
+    oc apply -f - <<EOF
+apiVersion: operators.coreos.com/v1alpha1
+kind: CatalogSource
+metadata:
+    name: devel-gitops-service-source
+    namespace: openshift-marketplace
+spec:
+    displayName: 'GITOPS DEVEL'
+    publisher: 'GITOPS DEVEL'
+    sourceType: grpc
+    image: '${IMAGE}-catalog:v${VERSION}'
+EOF
+
+    local yaml=''
+    for i in $(seq 1 20); do
+        echo >&2 "Waiting for catalog source to be ready... ($i)"
+        yaml=$(oc get -o yaml CatalogSource devel-gitops-service-source -n openshift-marketplace --ignore-not-found)
+        if [ "$(yq '.status.connectionState.lastObservedState' <<< "$yaml")" == "READY" ]; then
+            echo >&2  "Catalog source is ready"
+            return 0
+        fi
+
+        sleep 5
+    done
+
+    echo >&2 "Timeout waiting for catalog source to be ready. Current state:"
+    echo >&2 "$yaml"
+    return 1
+}
+
+function delete_operator() {
+    oc delete subscription "$SUBSCRIPTION_NAME" -n "$OPERATOR_NAMESPACE" --ignore-not-found
+    readarray -t ogs < <(oc get operatorgroup -n "$OPERATOR_NAMESPACE" -o name --ignore-not-found)
+    if [[ ${#ogs[@]} -gt 0 ]]; then
+        oc delete -n "$OPERATOR_NAMESPACE" "${ogs[@]}"
+    fi
+    oc delete csv -n "$OPERATOR_NAMESPACE" -l "operators.coreos.com/${SUBSCRIPTION_NAME}.${OPERATOR_NAMESPACE}" --ignore-not-found
+
+    readarray -t pods < <(oc get pod -n "$OPERATOR_NAMESPACE" -o name --ignore-not-found)
+    if [[ ${#pods[@]} -gt 0 ]]; then
+        # Pods might stop existing before query and delete, so ignoring not found ones
+        oc delete -n "$OPERATOR_NAMESPACE" "${pods[@]}" --ignore-not-found
+    fi
+    oc delete ns "$OPERATOR_NAMESPACE" --ignore-not-found
+}
+
+function install_operator() {
+    oc create ns "$OPERATOR_NAMESPACE"
+    oc apply -f - <<EOF
+apiVersion: operators.coreos.com/v1
+kind: OperatorGroup
+metadata:
+  name: openshift-gitops-operator-devel
+  namespace: $OPERATOR_NAMESPACE
+spec:
+  upgradeStrategy: Default
+---
+apiVersion: operators.coreos.com/v1alpha1
+kind: Subscription
+metadata:
+  name: $SUBSCRIPTION_NAME
+  namespace: $OPERATOR_NAMESPACE
+spec:
+  channel: latest
+  name: $SUBSCRIPTION_NAME
+  installPlanApproval: Automatic
+  source: devel-gitops-service-source
+  sourceNamespace: openshift-marketplace
+EOF
+
+    local out=''
+    for i in $(seq 1 20); do
+        echo >&2 "Waiting for operator to start... ($i)"
+        out=$(oc get pods -n "$OPERATOR_NAMESPACE" --ignore-not-found --no-headers)
+        echo "$out"
+        if [[ "$out" =~ "Running" ]]; then
+            echo >&2 "Operator is ready"
+            return 0
+        fi
+        sleep 5
+    done
+
+    echo >&2 "Timeout waiting for operator to start. Current state:"
+    echo >&2 "$out"
+    oc events -n "$OPERATOR_NAMESPACE" >&2
+    return 1
+}
+
+# When calling this script, specify environment variable pointing to, e.g.:
+# "IMAGE=quay.io/(your username)/gitops-operator" make olm-deploy
+# - The make targets will push to a number of repositories in your quay.io account
+# - Ensure that the docker/podman credentials you are using have push access to those repositories. e.g: (...)/gitops-operator, (...)/gitops-operator-bundle, (...)/gitops-operator-catalog.
+
+function main() {
+    if [ ! -v IMAGE ]; then
+        echo >&2 "Variable IMAGE not specified"
+        exit 1
+    fi
+
+    echo >&2 "Deploying version $VERSION"
+
+    build_bundles
+    install_catalog_source
+    delete_operator
+    install_operator
+}
+
+main "$@"