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demo-cnpg-local-web-ng

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UpdatedMay 27, 2026 at 02:06

Run ServiceRadar web-ng locally against the live Kubernetes `demo` CNPG database for dashboard, SRQL, services, and UI testing. Use when a task asks to test with live demo data, run local Phoenix against demo CNPG, validate dashboard authoring with Playwright, or avoid fragile kubectl port-forward database access.

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carverauto

carverauto/serviceradar

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SKILL.md

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name	demo-cnpg-local-web-ng
description	Run ServiceRadar web-ng locally against the live Kubernetes `demo` CNPG database for dashboard, SRQL, services, and UI testing. Use when a task asks to test with live demo data, run local Phoenix against demo CNPG, validate dashboard authoring with Playwright, or avoid fragile kubectl port-forward database access.

Demo CNPG Local Web-NG

Use this skill when local elixir/web-ng must run against the live demo namespace CNPG database instead of Docker Compose or srql-fixtures.

Quick Start

From the ServiceRadar repo root:

.agents/skills/demo-cnpg-local-web-ng/scripts/start-local-web-ng.sh

The script:

reads current demo/serviceradar-db-credentials without printing the password;
tries the GitOps-managed internal LoadBalancer VIP 192.168.6.82:5432;
falls back to the current CNPG primary node's NodePort paths, including cnpg-rw-internal-lb and cnpg-local-dev;
validates TCP reachability before starting Phoenix;
starts mix phx.server in elixir/web-ng with small DB pools and long queue windows for WAN/LAN testing.

To only verify the live DB route without starting Phoenix:

.agents/skills/demo-cnpg-local-web-ng/scripts/start-local-web-ng.sh --check

Then use $playwright-cli against http://localhost:4000.

Known Access Paths

Permanent GitOps-managed objects:

Service: demo/cnpg-rw-internal-lb
Intended VIP: 192.168.6.82:5432
NetworkPolicy: demo/cnpg-allow-oracle-test-postgres

Current known-good fallback from 192.168.2.134:

10.0.2.11:32040 via demo/cnpg-rw-internal-lb
10.0.2.11:30455 via demo/cnpg-local-dev

If 192.168.6.82:5432 fails but the NodePort path works, treat it as a routing/L2 issue, not a web-ng or CNPG issue.

Browser Validation

Use the playwright-cli skill for screenshots and smoke tests:

playwright-cli open http://localhost:4000/dashboards
playwright-cli screenshot --filename=tmp/demo-cnpg-dashboard-library.png

For dashboard authoring matrix checks:

playwright-cli run-code --filename elixir/web-ng/test/playwright/dashboard_authoring_matrix.playwright.js

Keep screenshots under tmp/ or .playwright-cli/; do not commit them.

Notes

Prefer this skill over kubectl port-forward for web-ng testing against demo; port-forward is fragile under Phoenix startup connection churn.
Re-read Kubernetes secrets each run. Demo credentials can rotate during releases.
Use CNPG_HOST_OVERRIDE and CNPG_PORT_OVERRIDE only when explicitly testing a specific route.
Stop stale local Phoenix servers before starting a new one if port 4000 is already occupied.

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name	demo-cnpg-local-web-ng
description	Run ServiceRadar web-ng locally against the live Kubernetes `demo` CNPG database for dashboard, SRQL, services, and UI testing. Use when a task asks to test with live demo data, run local Phoenix against demo CNPG, validate dashboard authoring with Playwright, or avoid fragile kubectl port-forward database access.

Demo CNPG Local Web-NG

Use this skill when local elixir/web-ng must run against the live demo namespace CNPG database instead of Docker Compose or srql-fixtures.

Quick Start

From the ServiceRadar repo root:

.agents/skills/demo-cnpg-local-web-ng/scripts/start-local-web-ng.sh

The script:

reads current demo/serviceradar-db-credentials without printing the password;
tries the GitOps-managed internal LoadBalancer VIP 192.168.6.82:5432;
falls back to the current CNPG primary node's NodePort paths, including cnpg-rw-internal-lb and cnpg-local-dev;
validates TCP reachability before starting Phoenix;
starts mix phx.server in elixir/web-ng with small DB pools and long queue windows for WAN/LAN testing.

To only verify the live DB route without starting Phoenix:

.agents/skills/demo-cnpg-local-web-ng/scripts/start-local-web-ng.sh --check

Then use $playwright-cli against http://localhost:4000.

Known Access Paths

Permanent GitOps-managed objects:

Service: demo/cnpg-rw-internal-lb
Intended VIP: 192.168.6.82:5432
NetworkPolicy: demo/cnpg-allow-oracle-test-postgres

Current known-good fallback from 192.168.2.134:

10.0.2.11:32040 via demo/cnpg-rw-internal-lb
10.0.2.11:30455 via demo/cnpg-local-dev

If 192.168.6.82:5432 fails but the NodePort path works, treat it as a routing/L2 issue, not a web-ng or CNPG issue.

Browser Validation

Use the playwright-cli skill for screenshots and smoke tests:

playwright-cli open http://localhost:4000/dashboards
playwright-cli screenshot --filename=tmp/demo-cnpg-dashboard-library.png

For dashboard authoring matrix checks:

playwright-cli run-code --filename elixir/web-ng/test/playwright/dashboard_authoring_matrix.playwright.js

Keep screenshots under tmp/ or .playwright-cli/; do not commit them.

Notes

Prefer this skill over kubectl port-forward for web-ng testing against demo; port-forward is fragile under Phoenix startup connection churn.
Re-read Kubernetes secrets each run. Demo credentials can rotate during releases.
Use CNPG_HOST_OVERRIDE and CNPG_PORT_OVERRIDE only when explicitly testing a specific route.
Stop stale local Phoenix servers before starting a new one if port 4000 is already occupied.