# mohankrishna-07/log-monitoring-and-cost-optimisation-main architecture

> Architecture diagram of the GitHub repository mohankrishna-07/log-monitoring-and-cost-optimisation-main, generated by GitDiagram from its file tree, README and a sample of source files (last updated 2026-09-26). It is an AI-made overview: check details against the source.

- Interactive diagram: https://gitdiagram.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main
- Repository: https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main

## Overview

This Flask application provides customer-facing authentication and order demonstrations alongside a developer monitoring dashboard. The principal workflow records application events, asynchronously sends logs to Google Cloud Logging, and exposes log and runtime-metric data for dashboard views, including cost-oriented recommendations. The sampled source supports these logging, caching, and metrics relationships; the README provides no further capability detail, and the HTML templates were not sampled, so their internal behavior and any unsampled wiring are not inferred.

Main entry points: [`log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py`](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py) (Flask application), [`log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/index.html`](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/index.html) (Customer interface), [`log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/developer_dashboard.html`](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/developer_dashboard.html) (Developer dashboard), [`log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/login.html`](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/login.html) (Dashboard login)

## Diagram (Mermaid)

```mermaid
flowchart TD

subgraph group_customer["Customer app"]
  node_customer_ui["Customer interface<br/>[index.html]"]
  node_auth_events["Auth events<br/>[app.py]"]
  node_order_events["Order events<br/>[app.py]"]
end

subgraph group_monitoring["Monitoring service"]
  node_app["Flask application<br/>[app.py]"]
  node_log_recorder["Log recorder<br/>[app.py]"]
  node_local_log_state[("Local log state<br/>[app.py]")]
  node_write_queue["Log write queue<br/>[app.py]"]
  node_gcp_writer["Async log writer<br/>[app.py]"]
  node_log_cache[("Log cache<br/>[app.py]")]
  node_metrics_cache[("Metrics cache<br/>[app.py]")]
end

subgraph group_dashboard["Developer dashboard"]
  node_login_ui["Dashboard login<br/>[login.html]"]
  node_dashboard_ui["Developer dashboard"]
  node_log_api["Log data endpoint<br/>[app.py]"]
  node_metrics_api["Metrics endpoint<br/>[app.py]"]
  node_cost_guidance["Cost suggestions<br/>[app.py]"]
end

node_customer_user(("Customer"))
node_gcp_logging[("Cloud Logging")]
node_gcp_monitoring[("Cloud Monitoring")]
node_developer(("Developer"))

node_customer_user -->|"uses"| node_customer_ui
node_customer_ui -->|"submits auth"| node_auth_events
node_customer_ui -->|"submits orders"| node_order_events
node_auth_events -->|"calls routes"| node_app
node_order_events -->|"calls routes"| node_app
node_app -->|"records events"| node_log_recorder
node_log_recorder -->|"updates"| node_local_log_state
node_log_recorder -->|"enqueues logs"| node_write_queue
node_gcp_writer -->|"dequeues logs"| node_write_queue
node_gcp_writer -->|"writes entries"| node_gcp_logging
node_developer -->|"opens"| node_login_ui
node_login_ui -->|"requests page"| node_app
node_developer -->|"views"| node_dashboard_ui
node_dashboard_ui -->|"requests logs"| node_log_api
node_dashboard_ui -->|"requests metrics"| node_metrics_api
node_app -->|"dispatches"| node_log_api
node_app -->|"dispatches"| node_metrics_api
node_log_api -->|"reads and refreshes"| node_log_cache
node_log_api -->|"merges pending logs"| node_local_log_state
node_log_api -->|"fetches logs"| node_gcp_logging
node_metrics_api -->|"reads and refreshes"| node_metrics_cache
node_metrics_api -->|"fetches metrics"| node_gcp_monitoring
node_metrics_api -->|"derives guidance"| node_cost_guidance

click node_customer_ui "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/index.html"
click node_auth_events "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py"
click node_order_events "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py"
click node_app "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py"
click node_log_recorder "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py"
click node_local_log_state "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py"
click node_write_queue "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py"
click node_gcp_writer "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py"
click node_log_cache "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py"
click node_metrics_cache "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py"
click node_login_ui "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/login.html"
click node_dashboard_ui "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/developer_dashboard.html"
click node_log_api "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py"
click node_metrics_api "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py"
click node_cost_guidance "https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py"

classDef toneNeutral fill:#f8fafc,stroke:#334155,stroke-width:1.5px,color:#0f172a
classDef toneBlue fill:#dbeafe,stroke:#2563eb,stroke-width:1.5px,color:#172554
classDef toneAmber fill:#fef3c7,stroke:#d97706,stroke-width:1.5px,color:#78350f
classDef toneMint fill:#dcfce7,stroke:#16a34a,stroke-width:1.5px,color:#14532d
classDef toneRose fill:#ffe4e6,stroke:#e11d48,stroke-width:1.5px,color:#881337
classDef toneIndigo fill:#e0e7ff,stroke:#4f46e5,stroke-width:1.5px,color:#312e81
classDef toneTeal fill:#ccfbf1,stroke:#0f766e,stroke-width:1.5px,color:#134e4a
class node_customer_ui,node_auth_events,node_order_events toneBlue
class node_app,node_log_recorder,node_local_log_state,node_write_queue,node_gcp_writer,node_log_cache,node_metrics_cache,node_gcp_logging,node_gcp_monitoring toneAmber
class node_login_ui,node_dashboard_ui,node_log_api,node_metrics_api,node_cost_guidance toneMint
class node_customer_user,node_developer toneIndigo
```

## Components

### Customer app

- [Customer interface](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/index.html): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/index.html`
- [Auth events](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py`
- [Order events](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py`

### Monitoring service

- [Flask application](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py`
- [Log recorder](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py`
- [Local log state](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py`
- [Log write queue](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py`
- [Async log writer](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py`
- [Log cache](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py`
- [Metrics cache](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py`

### Developer dashboard

- [Dashboard login](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/login.html): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/login.html`
- [Developer dashboard](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/developer_dashboard.html): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/templates/developer_dashboard.html`
- [Log data endpoint](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py`
- [Metrics endpoint](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py`
- [Cost suggestions](https://github.com/mohankrishna-07/log-monitoring-and-cost-optimisation-main/blob/main/log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py): `log-monitoring-and-cost-optimisation-main/ctsHackthon-main/cloud-monitoring/app.py`

### Other components

- **Customer**
- **Cloud Logging**
- **Cloud Monitoring**
- **Developer**

## Connections

- Customer → Customer interface: uses
- Customer interface → Auth events: submits auth
- Customer interface → Order events: submits orders
- Auth events → Flask application: calls routes
- Order events → Flask application: calls routes
- Flask application → Log recorder: records events
- Log recorder → Local log state: updates
- Log recorder → Log write queue: enqueues logs
- Async log writer → Log write queue: dequeues logs
- Async log writer → Cloud Logging: writes entries
- Developer → Dashboard login: opens
- Dashboard login → Flask application: requests page
- Developer → Developer dashboard: views
- Developer dashboard → Log data endpoint: requests logs
- Developer dashboard → Metrics endpoint: requests metrics
- Flask application → Log data endpoint: dispatches
- Flask application → Metrics endpoint: dispatches
- Log data endpoint → Log cache: reads and refreshes
- Log data endpoint → Local log state: merges pending logs
- Log data endpoint → Cloud Logging: fetches logs
- Metrics endpoint → Metrics cache: reads and refreshes
- Metrics endpoint → Cloud Monitoring: fetches metrics
- Metrics endpoint → Cost suggestions: derives guidance