Application Packaging & Deployment

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Introduction to Application Packaging & Deployment

Application packaging and deployment in CICS involves strategies and procedures for packaging CICS applications and deploying them to different environments. It ensures reliable, efficient, and controlled application lifecycle management.

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What is Application Packaging & Deployment?

Application packaging and deployment in CICS involves strategies and procedures for packaging CICS applications and deploying them to different environments. It includes application packaging strategies, deployment automation, environment promotion procedures, and rollback and recovery procedures for comprehensive application lifecycle management.

Packaging Components

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Application Packaging Strategies

Application packaging strategies in CICS are approaches for organizing and packaging CICS applications for deployment. They include component packaging, dependency management, versioning strategies, and packaging automation for efficient application packaging.

Packaging Approaches

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Component Packaging:
1. Component Organization
   - Program components
   - Data components
   - Configuration components
   - Resource components
 
2. Component Dependencies
   - Dependency identification
   - Dependency mapping
   - Dependency resolution
   - Dependency validation
 
3. Component Packaging
   - Component grouping
   - Component bundling
   - Component versioning
   - Component metadata
 
4. Package Structure
   - Package organization
   - Package hierarchy
   - Package naming
   - Package documentation
 
Example Component Packaging:
Programs: Customer management programs
Data: Customer data definitions
Configuration: CICS resource definitions
Resources: Maps, tables, files
Dependencies: Program dependencies mapped
Packaging: Grouped by functional area
Structure: Hierarchical package structure
Documentation: Package documentation included

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Dependency Management:
1. Dependency Identification
   - Program dependencies
   - Data dependencies
   - Resource dependencies
   - External dependencies
 
2. Dependency Resolution
   - Dependency conflict resolution
   - Dependency version resolution
   - Dependency compatibility
   - Dependency validation
 
3. Dependency Packaging
   - Dependency inclusion
   - Dependency exclusion
   - Dependency versioning
   - Dependency documentation
 
4. Dependency Deployment
   - Dependency deployment order
   - Dependency validation
   - Dependency monitoring
   - Dependency rollback
 
Example Dependency Management:
Identification: Program and data dependencies
Resolution: Version conflict resolution
Packaging: Dependency inclusion in packages
Deployment: Ordered dependency deployment
Identification: Automated dependency analysis
Resolution: Automated conflict resolution
Packaging: Dependency-aware packaging
Deployment: Dependency validation during deployment

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Deployment Automation

Deployment automation in CICS involves automating the deployment process for CICS applications. It includes automated deployment pipelines, deployment scripts, deployment validation, and deployment monitoring for efficient and reliable application deployment.

Automation Components

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Deployment Pipelines:
1. Pipeline Design
   - Pipeline stages
   - Pipeline triggers
   - Pipeline conditions
   - Pipeline approvals
 
2. Pipeline Execution
   - Automated execution
   - Pipeline monitoring
   - Pipeline validation
   - Pipeline reporting
 
3. Pipeline Integration
   - CI/CD integration
   - Build integration
   - Test integration
   - Quality integration
 
4. Pipeline Management
   - Pipeline versioning
   - Pipeline configuration
   - Pipeline maintenance
   - Pipeline optimization
 
Example Deployment Pipeline:
Stages: Build, Test, Package, Deploy
Triggers: Code commit triggers
Execution: Automated pipeline execution
Integration: CI/CD tool integration
Stages: Multi-stage deployment pipeline
Triggers: Automated trigger conditions
Execution: Real-time pipeline monitoring
Integration: Comprehensive tool integration

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Deployment Scripts and Validation:
1. Deployment Scripts
   - Script development
   - Script testing
   - Script maintenance
   - Script versioning
 
2. Deployment Validation
   - Pre-deployment validation
   - Post-deployment validation
   - Deployment verification
   - Deployment testing
 
3. Deployment Monitoring
   - Deployment progress monitoring
   - Deployment error monitoring
   - Deployment performance monitoring
   - Deployment logging
 
4. Deployment Recovery
   - Deployment rollback
   - Deployment recovery
   - Deployment troubleshooting
   - Deployment documentation
 
Example Deployment Scripts:
Scripts: Automated deployment scripts
Validation: Comprehensive validation
Monitoring: Real-time monitoring
Recovery: Automated rollback procedures
Scripts: Version-controlled scripts
Validation: Automated validation checks
Monitoring: Deployment progress tracking
Recovery: Quick recovery procedures

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Environment Promotion Procedures

Environment promotion procedures in CICS are procedures for promoting applications through different environments. They include promotion workflows, promotion validation, promotion approval, and promotion tracking for controlled application promotion.

Promotion Components

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Promotion Workflows:
1. Workflow Design
   - Environment progression
   - Promotion stages
   - Promotion gates
   - Promotion approvals
 
2. Workflow Execution
   - Automated promotion
   - Manual promotion
   - Promotion scheduling
   - Promotion monitoring
 
3. Workflow Management
   - Workflow configuration
   - Workflow versioning
   - Workflow maintenance
   - Workflow optimization
 
4. Workflow Integration
   - Tool integration
   - Process integration
   - Notification integration
   - Reporting integration
 
Example Promotion Workflow:
Progression: Dev → Test → UAT → Prod
Stages: Automated promotion stages
Gates: Quality gates and approvals
Execution: Automated workflow execution
Progression: Multi-environment promotion
Stages: Validation and testing stages
Gates: Automated quality gates
Execution: Real-time workflow monitoring

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Promotion Validation and Approval:
1. Validation Procedures
   - Pre-promotion validation
   - Environment validation
   - Configuration validation
   - Data validation
 
2. Approval Processes
   - Approval workflows
   - Approval criteria
   - Approval notifications
   - Approval tracking
 
3. Validation Automation
   - Automated validation
   - Validation scripts
   - Validation reporting
   - Validation monitoring
 
4. Approval Management
   - Approval delegation
   - Approval escalation
   - Approval history
   - Approval reporting
 
Example Promotion Validation:
Validation: Automated validation checks
Approval: Multi-level approval process
Automation: Automated validation scripts
Management: Approval workflow management
Validation: Comprehensive validation suite
Approval: Role-based approval process
Automation: Real-time validation
Management: Approval tracking and reporting

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Rollback and Recovery Procedures

Rollback and recovery procedures in CICS are procedures for rolling back failed deployments and recovering from deployment issues. They include rollback strategies, recovery procedures, rollback automation, and recovery validation for reliable deployment management.

Recovery Components

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Rollback Strategies:
1. Rollback Planning
   - Rollback scenarios
   - Rollback procedures
   - Rollback validation
   - Rollback testing
 
2. Rollback Execution
   - Automated rollback
   - Manual rollback
   - Rollback monitoring
   - Rollback validation
 
3. Rollback Management
   - Rollback triggers
   - Rollback criteria
   - Rollback approval
   - Rollback documentation
 
4. Rollback Recovery
   - Rollback verification
   - Rollback testing
   - Rollback monitoring
   - Rollback reporting
 
Example Rollback Strategies:
Planning: Comprehensive rollback scenarios
Execution: Automated rollback procedures
Management: Rollback trigger conditions
Recovery: Rollback validation and testing
Planning: Pre-deployment rollback planning
Execution: One-click rollback execution
Management: Automated rollback triggers
Recovery: Post-rollback validation

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Recovery Procedures and Automation:
1. Recovery Planning
   - Recovery scenarios
   - Recovery procedures
   - Recovery resources
   - Recovery timelines
 
2. Recovery Automation
   - Automated recovery
   - Recovery scripts
   - Recovery monitoring
   - Recovery validation
 
3. Recovery Management
   - Recovery coordination
   - Recovery communication
   - Recovery documentation
   - Recovery reporting
 
4. Recovery Improvement
   - Recovery analysis
   - Recovery optimization
   - Recovery training
   - Recovery testing
 
Example Recovery Procedures:
Planning: Comprehensive recovery planning
Automation: Automated recovery procedures
Management: Recovery coordination
Improvement: Continuous recovery improvement
Planning: Disaster recovery planning
Automation: Automated recovery scripts
Management: Recovery team coordination
Improvement: Recovery process optimization

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Summary

Application packaging and deployment in CICS provide comprehensive strategies and procedures for managing application lifecycle. Through application packaging strategies, deployment automation, environment promotion procedures, and rollback and recovery procedures, CICS applications can achieve reliable and efficient deployment management.

Understanding application packaging and deployment concepts, packaging strategies, deployment automation, promotion procedures, and recovery procedures is essential for implementing comprehensive application lifecycle management in enterprise CICS environments.