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@sagar-qa007 sagar-qa007 commented Dec 30, 2024

Description

Update trivy db download failure.

Fixes # https://app.zenhub.com/workspaces/stability-pod-6690c4814e31602e25cab7fd/issues/gh/appsmithorg/appsmith/38398

Tested: https://github.com/appsmithorg/appsmith/actions/runs/12543112349

Automation

/ok-to-test tags=""

🔍 Cypress test results

Caution

If you modify the content in this section, you are likely to disrupt the CI result for your PR.

Communication

Should the DevRel and Marketing teams inform users about this change?

  • Yes
  • No

Summary by CodeRabbit

  • New Features

    • Enhanced script to automatically download Trivy vulnerability database if not present
    • Added capability to create and manage temporary database download directory
  • Chores

    • Cleaned up script by removing unnecessary line

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coderabbitai bot commented Dec 30, 2024

Walkthrough

The pull request modifies the trivy_vulnerabilities_data.sh script to improve its database handling capabilities. The script now includes a mechanism to download the Trivy vulnerability database if it's not already present in the system. This enhancement ensures that the necessary database files are available for Trivy scanning operations by creating a temporary directory, downloading the database, and packaging it into a tarball before cleaning up.

Changes

File Change Summary
scripts/trivy_vulnerabilities_data.sh Added conditional database download logic for Trivy, creating a temp directory and downloading database if not existing

Possibly related PRs

Suggested labels

Bug, ok-to-test

Suggested reviewers

  • sharat87
  • ApekshaBhosale

Poem

🕵️ Trivy's database, once elusive and shy
Now downloads with grace, no need to sigh
A script so clever, it fetches with care
Vulnerability data beyond compare!
🔍 Security's dance, a digital delight


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Actionable comments posted: 2

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between f9664a3 and dada16f.

📒 Files selected for processing (1)
  • scripts/trivy_vulnerabilities_data.sh (1 hunks)

Comment on lines +74 to +82
# Download Trivy DB if necessary
if [ ! -d "$HOME/.cache/trivy/db" ]; then
echo "Trivy DB not found. Downloading..."
TRIVY_TEMP_DIR=$(mktemp -d)
trivy --cache-dir $TRIVY_TEMP_DIR image --download-db-only
tar -cf ./db.tar.gz -C $TRIVY_TEMP_DIR/db metadata.json trivy.db
rm -rf $TRIVY_TEMP_DIR
fi

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🛠️ Refactor suggestion

Add error handling and space verification for database download.

The database download logic looks good, but could benefit from additional safeguards.

Apply this diff to add error handling and space checks:

 # Download Trivy DB if necessary
 if [ ! -d "$HOME/.cache/trivy/db" ]; then
   echo "Trivy DB not found. Downloading..."
+  # Check for sufficient disk space (at least 500MB free)
+  free_space=$(df -m . | awk 'NR==2 {print $4}')
+  if [ "$free_space" -lt 500 ]; then
+    echo "Error: Insufficient disk space. Need at least 500MB free."
+    exit 1
+  fi
   TRIVY_TEMP_DIR=$(mktemp -d)
-  trivy --cache-dir $TRIVY_TEMP_DIR image --download-db-only
+  if ! trivy --cache-dir "$TRIVY_TEMP_DIR" image --download-db-only; then
+    echo "Error: Failed to download Trivy database"
+    rm -rf "$TRIVY_TEMP_DIR"
+    exit 1
+  fi
-  tar -cf ./db.tar.gz -C $TRIVY_TEMP_DIR/db metadata.json trivy.db
+  if ! tar -cf ./db.tar.gz -C "$TRIVY_TEMP_DIR/db" metadata.json trivy.db; then
+    echo "Error: Failed to create database archive"
+    rm -rf "$TRIVY_TEMP_DIR"
+    exit 1
+  fi
   rm -rf $TRIVY_TEMP_DIR
 fi
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
# Download Trivy DB if necessary
if [ ! -d "$HOME/.cache/trivy/db" ]; then
echo "Trivy DB not found. Downloading..."
TRIVY_TEMP_DIR=$(mktemp -d)
trivy --cache-dir $TRIVY_TEMP_DIR image --download-db-only
tar -cf ./db.tar.gz -C $TRIVY_TEMP_DIR/db metadata.json trivy.db
rm -rf $TRIVY_TEMP_DIR
fi
# Download Trivy DB if necessary
if [ ! -d "$HOME/.cache/trivy/db" ]; then
echo "Trivy DB not found. Downloading..."
# Check for sufficient disk space (at least 500MB free)
free_space=$(df -m . | awk 'NR==2 {print $4}')
if [ "$free_space" -lt 500 ]; then
echo "Error: Insufficient disk space. Need at least 500MB free."
exit 1
fi
TRIVY_TEMP_DIR=$(mktemp -d)
if ! trivy --cache-dir "$TRIVY_TEMP_DIR" image --download-db-only; then
echo "Error: Failed to download Trivy database"
rm -rf "$TRIVY_TEMP_DIR"
exit 1
fi
if ! tar -cf ./db.tar.gz -C "$TRIVY_TEMP_DIR/db" metadata.json trivy.db; then
echo "Error: Failed to create database archive"
rm -rf "$TRIVY_TEMP_DIR"
exit 1
fi
rm -rf $TRIVY_TEMP_DIR
fi

💡 Codebase verification

Database download logic needs error handling

The script has two issues that need attention:

  • The database download command lacks error handling, which could lead to silent failures
  • The downloaded database isn't used as the scan explicitly uses ECR repositories

Suggested fixes:

  • Add error handling to the download: trivy --cache-dir $TRIVY_TEMP_DIR image --download-db-only || { echo "Error: DB download failed"; exit 1; }
  • Remove the DB download block since the scan uses remote repositories anyway
🔗 Analysis chain

Verify database usage in vulnerability scanning.

The downloaded database should be properly utilized by the subsequent Trivy scan command.

Run this script to verify database usage:

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify that the Trivy scan command uses the downloaded database.

# Check if the scan command references any custom database paths
rg --type sh 'trivy\s+.*(?:--cache-dir|--db-repository)' .

# Check for any Trivy configuration files that might override database settings
fd -t f -e yaml -e yml trivy

Length of output: 430


Script:

#!/bin/bash
# Let's verify the complete database handling logic in the script

# Check the full context of database usage
rg -A 10 -B 5 'trivy.*--cache-dir' scripts/trivy_vulnerabilities_data.sh

# Check if there's any error handling for the database download
rg 'trivy.*download-db-only.*(\|\||&&|;)' scripts/trivy_vulnerabilities_data.sh

# Check if the downloaded database is actually used in the scan
rg -A 5 'trivy image.*--db-repository' scripts/trivy_vulnerabilities_data.sh

Length of output: 1180

@sagar-qa007 sagar-qa007 changed the title CI: Update Trivy DB DNM: Update Trivy DB Dec 30, 2024
@sagar-qa007 sagar-qa007 changed the title DNM: Update Trivy DB CI: Update Trivy DB Dec 30, 2024
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@NandanAnantharamu NandanAnantharamu left a comment

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lgtm

@yatinappsmith yatinappsmith merged commit 8da8e45 into release Dec 30, 2024
30 of 32 checks passed
@yatinappsmith yatinappsmith deleted the fix/trivyinstalldbupdate branch December 30, 2024 07:24
@coderabbitai coderabbitai bot mentioned this pull request Dec 31, 2024
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3 participants