Installation Safety Validation Checklist

Overview

This checklist ensures that I.S.A.A.C. generated installers are safe, secure, and reliable. It covers idempotent operations, atomic transactions, rollback capabilities, and comprehensive safety measures to protect user systems during installation.

Pre-Installation Safety Checks

System State Validation

• System Requirements Met: All system requirements verified before proceeding

• Sufficient Resources: Adequate disk space, memory, and CPU resources available

• No Conflicting Software: Existing software conflicts identified and resolved

• Backup Verification: System backup capabilities verified and recommended

• Recovery Point Created: System recovery point created before installation

Permission and Security Validation

• Appropriate Privileges: Installation runs with appropriate (not excessive) privileges

• User Consent: Explicit user consent obtained for all system modifications

• Security Context: Security context properly established and maintained

• Malware Scanning: Installer files scanned for malware before execution

• Digital Signature Verification: Digital signatures verified where applicable

Environment Assessment

• Running Services: Critical running services identified and protected

• Active Connections: Active network connections and database connections assessed

• File Locks: File locks and resource usage checked

• Temporary Space: Adequate temporary space available for installation

• Network Connectivity: Required network connectivity verified

Idempotent Operation Validation

State Detection

• Current State Detection: Accurate detection of current installation state

• Version Comparison: Proper version comparison and upgrade path determination

• Configuration State: Current configuration state properly assessed

• Service State: Current service state detected and preserved

• Data State: Existing data state identified and protected

Idempotent Behavior Verification

• Repeated Execution Safe: Multiple installer executions produce identical results

• No Duplicate Resources: Duplicate resource creation prevented

• Configuration Merging: Configuration changes merged rather than overwritten

• Service Management: Service operations are idempotent

• File Operations: File operations handle existing files appropriately

State Consistency

• Consistent End State: Installation always reaches consistent end state

• Partial State Handling: Partial installation states handled correctly

• Configuration Consistency: Configuration remains consistent across runs

• Service Consistency: Service configuration remains consistent

• Data Integrity: Data integrity maintained across multiple runs

Atomic Operation Validation

Transaction Boundaries

• Clear Transaction Boundaries: Installation phases have clear transaction boundaries

• All-or-Nothing Operations: Critical operations succeed completely or fail completely

• Checkpoint Creation: Checkpoints created at transaction boundaries

• Resource Locking: Appropriate resource locking during critical operations

• Isolation Maintained: Operations properly isolated from external interference

Failure Handling

• Failure Detection: Failures detected immediately and accurately

• Partial Failure Recovery: Partial failures trigger appropriate rollback

• Resource Cleanup: Resources properly cleaned up on failure

• State Restoration: System state restored to pre-installation condition on failure

• Error Reporting: Clear error reporting for failed operations

Commit and Rollback

• Commit Operations: Successful operations properly committed

• Rollback Triggers: Rollback triggered appropriately on failures

• Rollback Completeness: Rollback operations are comprehensive

• Rollback Testing: Rollback operations tested and verified

• Recovery Verification: System recovery verified after rollback

Rollback Capability Validation

Rollback Preparation

• Backup Creation: Comprehensive backups created before modifications

• Change Tracking: All system changes tracked for rollback

• Dependency Mapping: Dependencies mapped for proper rollback order

• Configuration Backup: Configuration files backed up before changes

• Service State Backup: Service states recorded before modifications

Rollback Implementation

• Reverse Operations: All operations have corresponding reverse operations

• Rollback Order: Rollback operations executed in correct reverse order

• Dependency Rollback: Dependencies rolled back in proper sequence

• Configuration Restoration: Configuration files properly restored

• Service Restoration: Services restored to original state

Rollback Verification

• Rollback Testing: Rollback procedures tested thoroughly

• State Verification: System state verified after rollback

• Functionality Testing: System functionality verified after rollback

• Performance Verification: System performance verified after rollback

• Data Integrity Check: Data integrity verified after rollback

Security Validation

Input Validation

• Parameter Sanitization: All user inputs properly sanitized

• Path Validation: File paths validated to prevent directory traversal

• Command Injection Prevention: Command injection attacks prevented

• SQL Injection Prevention: SQL injection attacks prevented (if applicable)

• Buffer Overflow Prevention: Buffer overflow vulnerabilities addressed

Privilege Management

• Least Privilege Principle: Installation uses minimum required privileges

• Privilege Escalation: Privilege escalation handled securely

• Service Account Security: Service accounts configured securely

• File Permissions: File permissions set appropriately

• Registry Permissions: Registry permissions configured securely (Windows)

Credential Handling

• Secure Credential Storage: Credentials stored securely

• Credential Transmission: Credentials transmitted securely

• Default Credential Handling: Default credentials handled appropriately

• Credential Rotation: Credential rotation mechanisms implemented

• Credential Cleanup: Temporary credentials properly cleaned up

Data Protection Validation

Data Backup

• Automatic Backup: Critical data automatically backed up before installation

• Backup Verification: Backup integrity verified

• Backup Location: Backup stored in secure, accessible location

• Backup Retention: Backup retention policy implemented

• Backup Restoration: Backup restoration procedures tested

Data Migration

• Migration Safety: Data migration procedures are safe and tested

• Migration Validation: Migrated data validated for integrity

• Migration Rollback: Data migration rollback procedures available

• Schema Compatibility: Database schema changes handled safely

• Data Consistency: Data consistency maintained during migration

Data Integrity

• Integrity Checks: Data integrity checks implemented

• Corruption Detection: Data corruption detection mechanisms in place

• Consistency Validation: Data consistency validation performed

• Referential Integrity: Referential integrity maintained

• Transaction Safety: Database transactions handled safely

System Impact Validation

Resource Usage

• Resource Monitoring: System resource usage monitored during installation

• Resource Limits: Resource usage stays within acceptable limits

• Memory Management: Memory usage properly managed

• Disk Space Management: Disk space usage monitored and managed

• Network Usage: Network usage appropriate and controlled

System Stability

• Stability Testing: System stability tested during and after installation

• Performance Impact: Performance impact assessed and minimized

• Service Disruption: Service disruption minimized

• System Load: System load kept within acceptable limits

• Recovery Time: System recovery time minimized

Compatibility Impact

• Existing Software: Impact on existing software assessed

• System Configuration: Impact on system configuration minimized

• User Environment: Impact on user environment assessed

• Network Configuration: Impact on network configuration assessed

• Security Configuration: Impact on security configuration assessed

Error Handling and Recovery

Error Detection

• Comprehensive Error Detection: All error conditions properly detected

• Error Classification: Errors properly classified by severity

• Error Logging: Detailed error logging implemented

• Error Reporting: Clear error reporting to users

• Error Tracking: Error tracking for debugging and improvement

Recovery Procedures

• Automatic Recovery: Automatic recovery procedures implemented where possible

• Manual Recovery: Manual recovery procedures documented

• Recovery Validation: Recovery procedures tested and validated

• Recovery Time: Recovery time minimized

• Recovery Success Rate: High recovery success rate achieved

User Communication

• Clear Error Messages: Error messages are clear and actionable

• Recovery Instructions: Recovery instructions provided to users

• Support Information: Support contact information provided

• Progress Communication: Installation progress clearly communicated

• Status Updates: Regular status updates provided during long operations

Testing and Validation

Safety Testing

• Installation Safety Tests: Comprehensive installation safety tests performed

• Rollback Testing: Rollback procedures thoroughly tested

• Failure Scenario Testing: Various failure scenarios tested

• Recovery Testing: Recovery procedures tested

• Stress Testing: Installation tested under stress conditions

Security Testing

• Security Vulnerability Testing: Security vulnerabilities tested

• Penetration Testing: Penetration testing performed

• Input Validation Testing: Input validation thoroughly tested

• Privilege Escalation Testing: Privilege escalation scenarios tested

• Data Protection Testing: Data protection mechanisms tested

Compatibility Testing

• System Compatibility: Compatibility with various system configurations tested

• Software Compatibility: Compatibility with existing software tested

• Version Compatibility: Compatibility across different versions tested

• Configuration Compatibility: Various configuration scenarios tested

• Environment Compatibility: Different environment scenarios tested

Documentation and Training

Safety Documentation

• Safety Procedures Documented: All safety procedures thoroughly documented

• Risk Assessment: Risk assessment documented

• Mitigation Strategies: Risk mitigation strategies documented

• Recovery Procedures: Recovery procedures documented

• Best Practices: Safety best practices documented

User Education

• User Safety Guidelines: Safety guidelines provided to users

• Risk Communication: Risks clearly communicated to users

• Backup Recommendations: Backup recommendations provided

• Recovery Instructions: Recovery instructions provided

• Support Resources: Support resources documented and accessible

Compliance and Standards

Industry Standards

• Security Standards Compliance: Compliance with relevant security standards

• Quality Standards: Compliance with quality standards

• Industry Best Practices: Adherence to industry best practices

• Regulatory Compliance: Compliance with applicable regulations

• Certification Requirements: Certification requirements met

Audit Trail

• Installation Logging: Comprehensive installation logging

• Change Tracking: All system changes tracked

• Audit Trail: Complete audit trail maintained

• Compliance Reporting: Compliance reporting capabilities

• Forensic Capabilities: Forensic analysis capabilities maintained

Success Criteria

Safety Standards Met

• Zero Data Loss: No data loss during normal installation

• System Stability Maintained: System stability maintained throughout process

• Security Not Compromised: System security not compromised

• Rollback Success: 100% rollback success rate in testing

• Recovery Success: High recovery success rate achieved

User Confidence

• User Trust: Users express confidence in installation safety

• Transparent Process: Installation process is transparent to users

• Clear Communication: Clear communication throughout process

• Support Availability: Support readily available when needed

• Positive Feedback: Positive user feedback on safety measures