update demo gif, add generator scripts (#16)

Makefile

@@ -1,4 +1,4 @@
-.PHONY: all build lint
+.PHONY: all build gen-demo lint
 all: build
 
 build:
@@ -7,11 +7,14 @@ build:
 install: build
 	install bin/kubectl-operator $(shell go env GOPATH)/bin
 
+gen-demo:
+	./assets/demo/gen-demo.sh
+
 GOLANGCI_LINT_VER = "1.29.0"
 lint:
 #	scripts/golangci-lint-check.sh
 ifneq (${GOLANGCI_LINT_VER}, "$(shell ./bin/golangci-lint --version 2>/dev/null | cut -b 27-32)")
 	@echo "golangci-lint missing or not version '${GOLANGCI_LINT_VER}', downloading..."
 	curl -sSfL "https://raw.githubusercontent.com/golangci/golangci-lint/v${GOLANGCI_LINT_VER}/install.sh" | sh -s -- -b ./bin "v${GOLANGCI_LINT_VER}"
 endif
-	./bin/golangci-lint --timeout 3m run
+	./bin/golangci-lint --timeout 3m run

README.md

@@ -11,7 +11,7 @@ cluster. See the OLM installation instructions [here](https://olm.operatorframew
 
 ## Demo
 
-![asciicast](assets/asciinema-demo.gif)
+![asciicast](assets/demo/demo.gif)
 
 ## Install
 

assets/demo/demo.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+INTERACTIVE=${INTERACTIVE:-"1"}
+
+run() {
+	type "kubectl operator catalog list -A"
+	type "kubectl operator list-available cockroachdb"
+	type "kubectl operator install cockroachdb --create-operator-group -v 2.1.1"
+	type "kubectl operator list"
+	type "kubectl operator upgrade cockroachdb"
+	type "kubectl operator list"
+	type "kubectl operator uninstall cockroachdb --delete-crds --delete-operator-groups"
+}
+
+prompt() {
+	echo ""
+	echo -n "$ "
+}
+
+type() {
+	prompt
+	sleep 1
+	for (( i=0; i<${#1}; i++ )); do
+		echo -n "${1:$i:1}"
+		sleep 0.06
+	done
+	echo ""
+	sleep 0.25
+	$1
+	[[ "$INTERACTIVE" == "1" ]] && read -p ""
+}
+
+run

assets/demo/gen-demo.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -o errexit
+set -o pipefail
+
+INTERACTIVE=0 asciinema rec --overwrite -c ./assets/demo/demo.sh ./assets/demo/demo.asciinema.json
+asciicast2gif -w 90 -h 33 ./assets/demo/demo.asciinema.json ./assets/demo/demo.gif
+rm ./assets/demo/demo.asciinema.json