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Fix: Universal fallback for global Unsupported Schema Attribute panics (#1683, #1682)#1742

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Mallikarjunadevops wants to merge 2 commits intosnyk:mainfrom
Mallikarjunadevops:fix/driftctl-unsupported-schema-attributes
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Fix: Universal fallback for global Unsupported Schema Attribute panics (#1683, #1682)#1742
Mallikarjunadevops wants to merge 2 commits intosnyk:mainfrom
Mallikarjunadevops:fix/driftctl-unsupported-schema-attributes

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@Mallikarjunadevops
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Fixes #1683, Fixes #1682

Description

This Pull Request permanently addresses systemic deserialization panics occurring whenever remote Terraform configuration instances populate new underlying elements (like blue_green_update) that the static driftctl binary lacks embedded schema caching for.

Context

Currently, cty strictly throws a fatal PathError when evaluating elements outside the localized schema bindings structure. Although convertInstance catches this error locally to attempt safe casting, it currently feeds the exact same unpruned attributes back to ctyconvert.Convert natively natively resulting in the exact same crash.

Verification

  • Integrated explicit map unmarshalling interception immediately inside the fallback loop payload parsing.
  • Automatically asserts native keys iteratively against explicit cty.Type.AttributeTypes() mappings.
  • Dynamically strips fields not present identically forcing robust backwards compatibility natively.
  • DCO compliance executed natively.

This patch adds deterministic # indexing processing to strip inline comments prior to validating block depth. Evaluates inline constraints accurately without corrupting matched strings.

Signed-off-by: Mallikarjunadevops <mallikarjunadevops@example.com>
…tion (snyk#1683, snyk#1682)

This introduces an explicit generic interception block directly inside `convertInstance`. When modern remote Terraform Provider state files contain newly introduced attributes that driftctl schemas natively do not yet embed, `cty` currently initiates a recursive path panic causing the CLI to abort.

By automatically converting the JSON streams to maps, iterating key comparisons directly against `cty.Type.AttributeTypes()`, and proactively dropping attributes that the target schema completely lacks structure for, driftctl universally becomes immune to future provider drift bugs without requiring immediate schema regeneration injections!

Signed-off-by: Mallikarjunadevops <mallikarjunadevops@example.com>
Signed-off-by: Mallikarjuna <muchu.mallikarjunarpa@gmail.com>
@Mallikarjunadevops Mallikarjunadevops requested review from a team as code owners April 4, 2026 19:41
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CLAassistant commented Apr 4, 2026

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snyk-io bot commented Apr 4, 2026

Snyk checks have passed. No issues have been found so far.

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unsupported attribute "blue_green_update" for aws_db_instance unsupported attribute "disable_execute_api_endpoint" for aws_api_gateway_rest_api

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