chore/initial #2853

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mfreeman451 merged 1 commit from refs/pull/2853/head into staging

2026-02-05 03:15:49 +00:00

mfreeman451 commented

2026-02-05 03:15:31 +00:00

(Migrated from github.com)

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Imported from GitHub pull request.

Original GitHub pull request: #2703
Original author: @mfreeman451
Original URL: https://github.com/carverauto/serviceradar/pull/2703
Original created: 2026-02-05T03:15:31Z
Original updated: 2026-02-05T03:17:04Z
Original head: carverauto/serviceradar:exp/diamond-miner-integration-mapper
Original base: staging
Original merged: 2026-02-05T03:15:49Z by @mfreeman451

User description

IMPORTANT: Please sign the Developer Certificate of Origin

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PR Type

Enhancement, Documentation

Description

Add multipath topology discovery using Diamond-Miner algorithm
Support ECMP and load-balanced path identification in networks
Extend agent configuration and network discovery specifications
Define implementation tasks across Go, Elixir, and UI layers

Diagram Walkthrough

flowchart LR
  A["Diamond-Miner Algorithm"] -->|"Adaptive TTL Probing"| B["MultipathScanner"]
  B -->|"UDP/ICMP Probes"| C["Flow Identification"]
  C -->|"Randomized Flows"| D["ECMP Discovery"]
  D -->|"Topology Links"| E["Apache AGE Graph"]
  E -->|"Multipath Edges"| F["UI Visualization"]
  G["Agent Config"] -->|"Multipath Parameters"| B

File Walkthrough

Relevant files

Documentation

design.md `Multipath discovery design and architecture specification` openspec/changes/add-multipath-topology-discovery/design.md Defines multipath topology discovery architecture using Diamond-Miner algorithm Specifies `MultipathScanner` implementation with UDP/ICMP protocol support Details adaptive TTL probing strategy with MDA stopping conditions Outlines data schema extensions for `TopologyLink` and Apache AGE integration Documents risks including network load, router support, and graph complexity	+42/-0
proposal.md `Multipath topology discovery feature proposal` openspec/changes/add-multipath-topology-discovery/proposal.md Proposes adding multipath topology discovery to handle ECMP and load-balancing Lists new types, scanners, and configuration parameters for multipath discovery Identifies affected components across agent, mapper, and UI layers Describes data model updates for `TopologyLink` and Apache AGE schema	+17/-0
spec.md `Agent configuration specification for multipath discovery` openspec/changes/add-multipath-topology-discovery/specs/agent-configuration/spec.md Defines agent configuration schema for multipath discovery parameters Specifies required fields: `max_ttl`, `probing_rate`, `initial_probes_per_hop`, `confidence_level`, `protocol` Establishes default values for multipath discovery configuration Documents scenario-based requirements for valid multipath configuration	+28/-0
spec.md `Network discovery specification for multipath topology` openspec/changes/add-multipath-topology-discovery/specs/network-discovery/spec.md Specifies multipath topology discovery requirements using adaptive probing Defines scenario for admin configuration of multipath discovery jobs Documents expected behavior for discovering multiple ECMP paths Details mapper ingestion and Apache AGE graph projection for multipath links	+28/-0
tasks.md `Implementation tasks and roadmap for multipath discovery` openspec/changes/add-multipath-topology-discovery/tasks.md Outlines implementation roadmap across five phases: research, agent, core, UI, and testing Details Go implementation tasks for multipath probing engine in `pkg/scan` Specifies Elixir core updates for `DiscoveryJob` and Apache AGE projection Lists UI implementation and integration testing requirements	+24/-0

Imported from GitHub pull request. Original GitHub pull request: #2703 Original author: @mfreeman451 Original URL: https://github.com/carverauto/serviceradar/pull/2703 Original created: 2026-02-05T03:15:31Z Original updated: 2026-02-05T03:17:04Z Original head: carverauto/serviceradar:exp/diamond-miner-integration-mapper Original base: staging Original merged: 2026-02-05T03:15:49Z by @mfreeman451 --- ### **User description** ## IMPORTANT: Please sign the Developer Certificate of Origin Thank you for your contribution to ServiceRadar. Please note, when contributing, the developer must include a [DCO sign-off statement]( https://developercertificate.org/) indicating the DCO acceptance in one commit message. Here is an example DCO Signed-off-by line in a commit message: ``` Signed-off-by: J. Doe <j.doe@domain.com> ``` ## Describe your changes ## Issue ticket number and link ## Code checklist before requesting a review - [ ] I have signed the DCO? - [ ] The build completes without errors? - [ ] All tests are passing when running make test? ___ ### **PR Type** Enhancement, Documentation ___ ### **Description** - Add multipath topology discovery using Diamond-Miner algorithm - Support ECMP and load-balanced path identification in networks - Extend agent configuration and network discovery specifications - Define implementation tasks across Go, Elixir, and UI layers ___ ### Diagram Walkthrough ```mermaid flowchart LR A["Diamond-Miner Algorithm"] -->|"Adaptive TTL Probing"| B["MultipathScanner"] B -->|"UDP/ICMP Probes"| C["Flow Identification"] C -->|"Randomized Flows"| D["ECMP Discovery"] D -->|"Topology Links"| E["Apache AGE Graph"] E -->|"Multipath Edges"| F["UI Visualization"] G["Agent Config"] -->|"Multipath Parameters"| B ``` <details><summary><h3>File Walkthrough</h3></summary> <table><thead><tr><th></th><th align="left">Relevant files</th></tr></thead><tbody><tr><td>Documentation</td><td><table> <tr> <td> <details> <summary>design.md<dd><code>Multipath discovery design and architecture specification</code></dd></summary> <hr> openspec/changes/add-multipath-topology-discovery/design.md <ul><li>Defines multipath topology discovery architecture using Diamond-Miner algorithm <li> Specifies <code>MultipathScanner</code> implementation with UDP/ICMP protocol support <li> Details adaptive TTL probing strategy with MDA stopping conditions <li> Outlines data schema extensions for <code>TopologyLink</code> and Apache AGE integration <li> Documents risks including network load, router support, and graph complexity</ul> </details> </td> <td><a href="https://github.com/carverauto/serviceradar/pull/2703/files#diff-e1f7017bb6ab9a02e4e6bd03154c921c9a263ef72472ede6b856a67e84ccdec6">+42/-0</a>    </td> </tr> <tr> <td> <details> <summary>proposal.md<dd><code>Multipath topology discovery feature proposal</code>                        </dd></summary> <hr> openspec/changes/add-multipath-topology-discovery/proposal.md <ul><li>Proposes adding multipath topology discovery to handle ECMP and load-balancing <li> Lists new types, scanners, and configuration parameters for multipath discovery <li> Identifies affected components across agent, mapper, and UI layers <li> Describes data model updates for <code>TopologyLink</code> and Apache AGE schema</ul> </details> </td> <td><a href="https://github.com/carverauto/serviceradar/pull/2703/files#diff-d2a1a47767d46dcd5bb839f09948f167240501b8a1147fa74122c63b6ae8f0df">+17/-0</a>    </td> </tr> <tr> <td> <details> <summary>spec.md<dd><code>Agent configuration specification for multipath discovery</code></dd></summary> <hr> openspec/changes/add-multipath-topology-discovery/specs/agent-configuration/spec.md <ul><li>Defines agent configuration schema for multipath discovery parameters <li> Specifies required fields: <code>max_ttl</code>, <code>probing_rate</code>, <code>initial_probes_per_hop</code>, <code>confidence_level</code>, <code>protocol</code> <li> Establishes default values for multipath discovery configuration <li> Documents scenario-based requirements for valid multipath configuration</ul> </details> </td> <td><a href="https://github.com/carverauto/serviceradar/pull/2703/files#diff-3c16d7c0ad6dddac4d85fa706c6226e5039a62cbbceb1318e03dc3d0eb8d6b07">+28/-0</a>    </td> </tr> <tr> <td> <details> <summary>spec.md<dd><code>Network discovery specification for multipath topology</code>      </dd></summary> <hr> openspec/changes/add-multipath-topology-discovery/specs/network-discovery/spec.md <ul><li>Specifies multipath topology discovery requirements using adaptive probing <li> Defines scenario for admin configuration of multipath discovery jobs <li> Documents expected behavior for discovering multiple ECMP paths <li> Details mapper ingestion and Apache AGE graph projection for multipath links</ul> </details> </td> <td><a href="https://github.com/carverauto/serviceradar/pull/2703/files#diff-5a150290d106454f364c2d8fad4fbb025b1e16db6b87d77463e8f7726cb5c2db">+28/-0</a>    </td> </tr> <tr> <td> <details> <summary>tasks.md<dd><code>Implementation tasks and roadmap for multipath discovery</code>  </dd></summary> <hr> openspec/changes/add-multipath-topology-discovery/tasks.md <ul><li>Outlines implementation roadmap across five phases: research, agent, core, UI, and testing <li> Details Go implementation tasks for multipath probing engine in <code>pkg/scan</code> <li> Specifies Elixir core updates for <code>DiscoveryJob</code> and Apache AGE projection <li> Lists UI implementation and integration testing requirements</ul> </details> </td> <td><a href="https://github.com/carverauto/serviceradar/pull/2703/files#diff-36e23db0501567821fae1d2a6b17ca7d2f790e81e6ae46fb30c149ff7472a5eb">+24/-0</a>    </td> </tr> </table></td></tr></tbody></table> </details> ___

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2026-02-05 03:16:01 +00:00

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Imported GitHub PR comment. Original author: @qodo-code-review[bot] Original URL: https://github.com/carverauto/serviceradar/pull/2703#issuecomment-3850840730 Original created: 2026-02-05T03:16:01Z --- <pre>ⓘ You are approaching your monthly quota for Qodo. <a href="https://www.qodo.ai/pricing">Upgrade your plan</a></pre> ## PR Compliance Guide 🔍  Below is a summary of compliance checks for this PR: <table><tbody><tr><td colspan='2'>Security Compliance</td></tr> <tr><td>🟢</td><td><details><summary>No security concerns identified</summary> No security vulnerabilities detected by AI analysis. Human verification advised for critical code. </details></td></tr> <tr><td colspan='2'>Ticket Compliance</td></tr> <tr><td>⚪</td><td><details><summary>🎫 No ticket provided </summary> - [ ] Create ticket/issue  </details></td></tr> <tr><td colspan='2'>Codebase Duplication Compliance</td></tr> <tr><td>⚪</td><td><details><summary>Codebase context is not defined </summary> Follow the <a href='https://qodo-merge-docs.qodo.ai/core-abilities/rag_context_enrichment/'>guide</a> to enable codebase context checks. </details></td></tr> <tr><td colspan='2'>Custom Compliance</td></tr> <tr><td rowspan=6>🟢</td><td> <details><summary>Generic: Comprehensive Audit Trails</summary> **Objective:** To create a detailed and reliable record of critical system actions for security analysis and compliance. **Status:** Passed > Learn more about managing compliance <a href='https://qodo-merge-docs.qodo.ai/tools/compliance/#configuration-options'>generic rules</a> or creating your own <a href='https://qodo-merge-docs.qodo.ai/tools/compliance/#custom-compliance'>custom rules</a> </details></td></tr> <tr><td> <details><summary>Generic: Meaningful Naming and Self-Documenting Code</summary> **Objective:** Ensure all identifiers clearly express their purpose and intent, making code self-documenting **Status:** Passed > Learn more about managing compliance <a href='https://qodo-merge-docs.qodo.ai/tools/compliance/#configuration-options'>generic rules</a> or creating your own <a href='https://qodo-merge-docs.qodo.ai/tools/compliance/#custom-compliance'>custom rules</a> </details></td></tr> <tr><td> <details><summary>Generic: Robust Error Handling and Edge Case Management</summary> **Objective:** Ensure comprehensive error handling that provides meaningful context and graceful degradation **Status:** Passed > Learn more about managing compliance <a href='https://qodo-merge-docs.qodo.ai/tools/compliance/#configuration-options'>generic rules</a> or creating your own <a href='https://qodo-merge-docs.qodo.ai/tools/compliance/#custom-compliance'>custom rules</a> </details></td></tr> <tr><td> <details><summary>Generic: Secure Error Handling</summary> **Objective:** To prevent the leakage of sensitive system information through error messages while providing sufficient detail for internal debugging. **Status:** Passed > Learn more about managing compliance <a href='https://qodo-merge-docs.qodo.ai/tools/compliance/#configuration-options'>generic rules</a> or creating your own <a href='https://qodo-merge-docs.qodo.ai/tools/compliance/#custom-compliance'>custom rules</a> </details></td></tr> <tr><td> <details><summary>Generic: Secure Logging Practices</summary> **Objective:** To ensure logs are useful for debugging and auditing without exposing sensitive information like PII, PHI, or cardholder data. **Status:** Passed > Learn more about managing compliance <a href='https://qodo-merge-docs.qodo.ai/tools/compliance/#configuration-options'>generic rules</a> or creating your own <a href='https://qodo-merge-docs.qodo.ai/tools/compliance/#custom-compliance'>custom rules</a> </details></td></tr> <tr><td> <details><summary>Generic: Security-First Input Validation and Data Handling</summary> **Objective:** Ensure all data inputs are validated, sanitized, and handled securely to prevent vulnerabilities **Status:** Passed > Learn more about managing compliance <a href='https://qodo-merge-docs.qodo.ai/tools/compliance/#configuration-options'>generic rules</a> or creating your own <a href='https://qodo-merge-docs.qodo.ai/tools/compliance/#custom-compliance'>custom rules</a> </details></td></tr> <tr><td align="center" colspan="2">   </td></tr></tbody></table> <details><summary>Compliance status legend</summary> 🟢 - Fully Compliant 🟡 - Partial Compliant 🔴 - Not Compliant ⚪ - Requires Further Human Verification 🏷️ - Compliance label </details>

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Original URL: https://github.com/carverauto/serviceradar/pull/2703#issuecomment-3850843001
Original created: 2026-02-05T03:17:04Z

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Category	Suggestion	Impact
Possible issue	Improve multipath discovery reliability Strengthen the design by prioritizing UDP probes for multipath discovery, as ICMP-based methods are often unreliable because routers may not use ICMP fields for ECMP hash calculations. openspec/changes/add-multipath-topology-discovery/design.md [15-18] -- Protocol: Support both UDP and ICMP Echo probes. UDP is often preferred as routers more consistently hash on destination ports. +- Protocol: Support UDP probes. UDP is the preferred and most reliable protocol as routers consistently use L4 destination ports in ECMP flow hashing. ICMP Echo probes may be supported experimentally, but are not reliable for multipath discovery. - Flow Identification: - - For UDP: Vary the destination port. - - For ICMP: Vary the ICMP sequence number or Identifier (depending on platform support for hashing). + - For UDP: Vary the destination port. This is the primary mechanism for path exploration. + - For ICMP: Varying the ICMP sequence number or Identifier is often ineffective as these fields are not typically part of the ECMP hash on many routers. This method should be used with caution. Apply / Chat Suggestion importance[1-10]: 6 __ Why: The suggestion correctly highlights the unreliability of using ICMP for ECMP path discovery and rightly suggests prioritizing UDP, which strengthens the design document by providing more robust technical guidance.	Low
General	Add a safety limit for probes Add a configurable `max_probes` limit to the design as a safety mechanism to prevent a single discovery task from generating an excessive number of probes and causing network disruption. openspec/changes/add-multipath-topology-discovery/design.md [34] -- Network Load: Multipath discovery requires significantly more probes than standard traceroute. We must allow users to configure the `probing_rate` to avoid overwhelming network devices or triggering IDS. +- Network Load: Multipath discovery requires significantly more probes than standard traceroute. We must allow users to configure the `probing_rate` to avoid overwhelming network devices or triggering IDS. A `max_probes` limit per discovery task should also be configurable to act as a safety stop and prevent excessive network traffic. Apply / Chat Suggestion importance[1-10]: 5 __ Why: This is a valid suggestion that improves the design by adding a `max_probes` safety limit, which is a sensible operational control to prevent excessive network traffic from a discovery task.	Low
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Imported GitHub PR comment. Original author: @qodo-code-review[bot] Original URL: https://github.com/carverauto/serviceradar/pull/2703#issuecomment-3850843001 Original created: 2026-02-05T03:17:04Z --- <pre>ⓘ You are approaching your monthly quota for Qodo. <a href="https://www.qodo.ai/pricing">Upgrade your plan</a></pre> ## PR Code Suggestions ✨  Explore these optional code suggestions: <table><thead><tr><td>Category</td><td align=left>Suggestion                                                                                                                                    </td><td align=center>Impact</td></tr><tbody><tr><td rowspan=1>Possible issue</td> <td> <details><summary>Improve multipath discovery reliability</summary> ___ **Strengthen the design by prioritizing UDP probes for multipath discovery, as ICMP-based methods are often unreliable because routers may not use ICMP fields for ECMP hash calculations.** [openspec/changes/add-multipath-topology-discovery/design.md [15-18]](https://github.com/carverauto/serviceradar/pull/2703/files#diff-e1f7017bb6ab9a02e4e6bd03154c921c9a263ef72472ede6b856a67e84ccdec6R15-R18) ```diff -- **Protocol**: Support both UDP and ICMP Echo probes. UDP is often preferred as routers more consistently hash on destination ports. +- **Protocol**: Support UDP probes. UDP is the preferred and most reliable protocol as routers consistently use L4 destination ports in ECMP flow hashing. ICMP Echo probes may be supported experimentally, but are not reliable for multipath discovery. - **Flow Identification**: - - For UDP: Vary the destination port. - - For ICMP: Vary the ICMP sequence number or Identifier (depending on platform support for hashing). + - For UDP: Vary the destination port. This is the primary mechanism for path exploration. + - For ICMP: Varying the ICMP sequence number or Identifier is often ineffective as these fields are not typically part of the ECMP hash on many routers. This method should be used with caution. ``` - [ ] **Apply / Chat**  <details><summary>Suggestion importance[1-10]: 6</summary> __ Why: The suggestion correctly highlights the unreliability of using ICMP for ECMP path discovery and rightly suggests prioritizing UDP, which strengthens the design document by providing more robust technical guidance. </details></details></td><td align=center>Low </td></tr><tr><td rowspan=1>General</td> <td> <details><summary>Add a safety limit for probes</summary> ___ **Add a configurable <code>max_probes</code> limit to the design as a safety mechanism to prevent a single discovery task from generating an excessive number of probes and causing network disruption.** [openspec/changes/add-multipath-topology-discovery/design.md [34]](https://github.com/carverauto/serviceradar/pull/2703/files#diff-e1f7017bb6ab9a02e4e6bd03154c921c9a263ef72472ede6b856a67e84ccdec6R34-R34) ```diff -- **Network Load**: Multipath discovery requires significantly more probes than standard traceroute. We must allow users to configure the `probing_rate` to avoid overwhelming network devices or triggering IDS. +- **Network Load**: Multipath discovery requires significantly more probes than standard traceroute. We must allow users to configure the `probing_rate` to avoid overwhelming network devices or triggering IDS. A `max_probes` limit per discovery task should also be configurable to act as a safety stop and prevent excessive network traffic. ``` - [ ] **Apply / Chat**  <details><summary>Suggestion importance[1-10]: 5</summary> __ Why: This is a valid suggestion that improves the design by adding a `max_probes` safety limit, which is a sensible operational control to prevent excessive network traffic from a discovery task. </details></details></td><td align=center>Low </td></tr> <tr><td align="center" colspan="2"> - [ ] More  </td><td></td></tr></tbody></table>