Haseeb ArshadHaseeb Arshad
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Operational automationProduction + Staged

Notification and Messaging Integrations

A set of guarded Telegram, SMS, and WhatsApp integrations for alerts, command workflows, and private service notifications.

Telegram Bot APIhttpSMSOpenWAPythonKubernetesSealed Secrets

3

messaging channels

Allowlist

command access

Encrypted

runtime secrets

The challenge

What the system needed to solve

Deliver useful alerts and remote actions through familiar messaging channels without turning a bot into an unrestricted remote shell.

The build

Engineering decisions

01

Created Telegram alert delivery for monitoring, backup, and public-route events with recovery notifications.

02

Built a management bot around explicit command allowlists, archive-safe file transfer, credential rotation, and audit-friendly behavior.

03

Integrated a self-hosted WhatsApp gateway for application workflows and staged a self-hosted Android SMS bridge with Firebase-backed delivery.

04

Kept credentials sealed or local-only and documented revocation and rotation procedures.

Architecture

How the pieces connect

  1. 1Monitoring or approved operator command
  2. 2Channel-specific gateway
  3. 3Authentication and allowlist checks
  4. 4Bounded workflow action
  5. 5Audit and response

Results

What changed

  • Operational events reach the operator outside the home network.
  • Command capabilities remain narrower than the underlying host privileges.
  • Each messaging channel can be rotated or disabled independently.