Will Policy-as-Code Revolutionize Continuous Delivery Pipelines in 2024?

The practice of Policy-as-Code (PaC) is rapidly gaining momentum within the DevOps industry, especially in the context of governance and compliance for Continuous Delivery (CD) pipelines. As organizations strive to balance the demands of rapid release cadences with the necessity of stringent compliance requirements, PaC emerges as a promising solution. With the increasing complexity and frequency of software releases, traditional methods of ensuring compliance have proven to be inefficient and costly. The emergence of PaC offers a streamlined, automated approach that addresses these challenges effectively, making it a significant topic of interest for the year 2024.

The Challenges of Traditional Pipeline Governance

One of the primary hurdles that organizations face as they attempt to fully embrace DevOps transformation is traditional pipeline governance. In regulated environments, governance is essential to manage production releases with policies that encompass security checks, quality assurances, deployment windows, and approval processes. However, as the frequency of releases has increased, the reliance on manual reviews has become untenable due to their time-consuming and expensive nature. This has led to a persistent struggle between the need for speed and the necessity of maintaining compliance.

Various techniques have been employed by organizations to mitigate risks, such as providing security training for developers, implementing automated checks in pipelines, conducting code reviews, and performing regular compliance reviews. Despite these efforts, the pressure to release faster often forces developers to shortcut these checks, resulting in incidents or failed reviews. When such failures occur, organizations may revert to centralizing control over pipelines, diminishing the autonomy of application teams. This shift often leads to misunderstandings, miscommunications, and inconsistent compliance as central teams manage policies while application teams strive to implement them.

The ineffectiveness of traditional pipeline governance methods highlights the need for a more robust solution. The manual and patchwork approaches not only fail to keep up with the pace of modern development but also create bottlenecks that hinder the acceleration of the DevOps process. As a result, there is a compelling need to explore how automation can alleviate these challenges and offer a more scalable and efficient method for maintaining governance in continuous delivery pipelines.

The Need for Automation in Governance

Automation has become a necessity to align governance practices with the rapid delivery cadences required in modern software development. One of the key benefits of automation is the ability to perform quick validation of policy compliance without significantly slowing down CD pipelines. Governance, Risk, and Compliance (GRC) teams must be able to define policies centrally and roll out changes swiftly and efficiently across the organization. This centralization of policy definition ensures consistency while enabling rapid adaptation to new regulatory requirements or security threats.

For a governance system to be effective, policies must be comprehensible for both policy authors and application teams. This clarity allows application teams to make compliant changes to their pipelines independently, fostering a balance between speed and security. Embedding policies directly within pipelines can complicate the swift and faithful implementation of changes across multiple pipelines. Instead, an effective solution involves managing policies externally but ensuring they remain widely understandable and easily implementable by application teams.

Therefore, automating governance not only addresses the challenges posed by traditional manual reviews but also empowers application teams to maintain autonomy while ensuring compliance. This model of governance through automation reduces the risk of human error, accelerates the review process, and enhances the overall agility of the development lifecycle. By leveraging automated checks, organizations can ensure continuous compliance without compromising the speed of their release cycles.

Introducing Policy-as-Code (PaC)

Policy-as-Code (PaC) offers a robust solution to the challenges that have long plagued traditional pipeline governance. PaC involves defining policies as code using a domain-specific language (DSL), making them both machine and human-understandable. The Open Policy Agent (OPA) from the Cloud Native Computing Foundation (CNCF) serves as a prime example. OPA enables GRC and platform teams to establish policies through an accessible DSL, facilitating the creation of clear, consistent, and enforceable governance rules.

By wrapping a PaC engine around pipelines, organizations can ensure adherence to critical policies, such as mandatory security scans. If a pipeline lacks the required scan step or a step that compares results to the established policies, it can be blocked from proceeding. This approach allows application teams to retain control over their pipelines while ensuring policy compliance, thereby maintaining the desired level of autonomy. By decoupling policy enforcement from individual pipelines, PaC enables swift updates and ensures that compliance is consistently enforced across the organization.

PaC’s effectiveness lies in its ability to bridge the gap between GRC teams and application teams. With policies written as code, they can be versioned, reviewed, and tested just like any other software component. This fosters a more collaborative and transparent approach to governance, where policy changes can be tracked and audited, and their impact on the development process can be clearly understood. As a result, PaC not only enhances compliance but also integrates smoothly into the existing DevOps workflow, minimizing disruptions and improving overall efficiency.

The Growing Momentum of PaC in DevOps

The momentum of Policy-as-Code within the DevOps community is undeniable, with projects like OPA graduating within the CNCF and alternatives such as Kyverno gaining mainstream adoption. Major DevOps platforms are progressively integrating PaC elements, making it more accessible for organizations to adopt this advanced approach to governance. These integrations are transforming how policies are managed and enforced, enabling more consistent and automated compliance across the board.

For instance, Azure DevOps incorporates as-code capabilities using a proprietary JSON-based template. This allows policies to be executed through Powershell within pipelines, facilitating seamless integration and execution. Similarly, GitLab has introduced PaC for security scans, defining policies in proprietary JSON and executing them on merge requests or schedules. This ensures that security checks are consistently applied without manual intervention. Harness, on the other hand, leverages OPA for PaC, supporting applications across the DevOps platform to ensure compliance with security scans and infrastructure-as-code executions, which impact costs.

The growing adoption of PaC reflects a broader trend towards more automated and integrated governance solutions in the DevOps landscape. As more organizations recognize the benefits of PaC, the tools and frameworks supporting this approach are likely to continue evolving, offering even greater capabilities and flexibility. By integrating PaC into their existing pipelines, organizations can achieve a higher level of compliance and efficiency, ultimately driving better outcomes for their development processes.

Evaluating PaC-Ready Tools

The practice of Policy-as-Code (PaC) is gaining significant traction within the DevOps sector, particularly in the context of governance and compliance for Continuous Delivery (CD) pipelines. Organizations are increasingly seeking to balance the requirements of swift release schedules with stringent compliance needs, and PaC offers a promising solution to this challenge. With software releases becoming more complex and frequent, traditional compliance methods are proving inefficient and costly. PaC provides a streamlined, automated approach to compliance, effectively addressing these challenges. This makes PaC a crucial area of focus for 2024. By deploying policies as code, organizations can ensure consistent enforcement of rules and regulations across all development stages. This automation not only reduces human error but also boosts efficiency and accountability. As the landscape of software development continues to evolve, PaC stands out as a critical strategy for maintaining compliance and governance without slowing down innovation.

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