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Added pauses and syntax highlighting to demo for clarity #358

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Merged
zredlined merged 1 commit into from
Mar 16, 2026
Merged

Added pauses and syntax highlighting to demo for clarity #358

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32 changes: 29 additions & 3 deletions examples/sandbox-policy-quickstart/demo.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -31,13 +31,18 @@ cleanup() {
trap cleanup EXIT

BOLD='\033[1m'
DIM='\033[2m'
CYAN='\033[36m'
GREEN='\033[32m'
RED='\033[31m'
YELLOW='\033[33m'
MAGENTA='\033[35m'
RESET='\033[0m'

STEP_PAUSE="${DEMO_PAUSE:-1}"

step() {
sleep "$STEP_PAUSE"
printf "\n${BOLD}${CYAN}▸ %s${RESET}\n\n" "$1"
}

Expand All @@ -47,6 +52,19 @@ run() {
return "${PIPESTATUS[0]}"
}

colorize_logs() {
sed \
-e "s/action=deny/$(printf '\033[1;31m')action=deny$(printf '\033[0m')/g" \
-e "s/action=allow/$(printf '\033[1;32m')action=allow$(printf '\033[0m')/g" \
-e "s/dst_host=[^ ]*/$(printf '\033[36m')&$(printf '\033[0m')/g" \
-e "s/dst_port=[^ ]*/$(printf '\033[36m')&$(printf '\033[0m')/g" \
-e "s/binary=[^ ]*/$(printf '\033[1m')&$(printf '\033[0m')/g" \
-e "s/reason=[^\"]*/$(printf '\033[33m')&$(printf '\033[0m')/g" \
-e "s/policy=[^ ]*/$(printf '\033[35m')&$(printf '\033[0m')/g" \
-e "s/\[CONNECT\]/$(printf '\033[1m')[CONNECT]$(printf '\033[0m')/g" \
-e "s/\[FORWARD\]/$(printf '\033[1m')[FORWARD]$(printf '\033[0m')/g"
}

sandbox_exec() {
ssh -F "$SSH_CONFIG" "$SSH_HOST" "$@" 2>&1
}
Expand Down Expand Up @@ -92,7 +110,11 @@ printf " ${RED}✗ Blocked by default-deny policy.${RESET}\n"

step "3/7 Checking deny log"
sleep 2
run openshell logs "$SANDBOX_NAME" --since 1m -n 5
printf " ${BOLD}\$ openshell logs ${SANDBOX_NAME} --since 1m -n 10${RESET}\n"
openshell logs "$SANDBOX_NAME" --since 1m -n 10 2>&1 \
| grep -i 'connect\|forward\|deny\|allow' \
| colorize_logs \
| sed 's/^/ /'

# ------------------------------------------------------------------

Expand Down Expand Up @@ -128,13 +150,17 @@ printf " ${YELLOW}%s${RESET}\n" "$RESPONSE"

step "7/7 Checking L7 deny log"
sleep 2
run openshell logs "$SANDBOX_NAME" --level warn --since 1m -n 5
printf " ${BOLD}\$ openshell logs ${SANDBOX_NAME} --level warn --since 1m -n 10${RESET}\n"
openshell logs "$SANDBOX_NAME" --level warn --since 1m -n 10 2>&1 \
| grep -i 'connect\|forward\|deny\|allow\|l7\|rest' \
| colorize_logs \
| sed 's/^/ /'

# ------------------------------------------------------------------

printf "\n${BOLD}${GREEN}✓ Demo complete.${RESET}\n\n"
printf " What you saw:\n"
printf " 1. Default deny — all outbound traffic blocked\n"
printf " 1. Default deny — minimal outbound access, explicit approval required\n"
printf " 2. L7 read-only — GET allowed, POST blocked at the HTTP method level\n"
printf " 3. Audit trail — every request logged with method, path, and decision\n\n"
printf " The policy is %s lines of YAML.\n" "$(wc -l < "$POLICY_FILE" | tr -d ' ')"
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