Operational Reliability Reports

Rollout Guard Reliability Report

Classify a rollout guard as ship, limit, or hold from deterministic readiness inputs.

rollout guard Rollout readiness can be modeled as scalar checks before any live deployment system sees it.

Rollout Guard Reliability Report

pendingMigrations
RolloutGuardReliabilityReport.java
Replay: real traced execution (multi-file project)
public class RolloutGuardReliabilityReport {
    public static void main(String[] args) {
        int pendingMigrations = 1;
        int errorBudget = 8;
        String rolloutStatus = "hold";

        if (pendingMigrations == 0 && errorBudget >= 8) {
            rolloutStatus = "ship";
        } else if (pendingMigrations <= 1 && errorBudget >= 6) {
            rolloutStatus = "limit";
        }

        System.out.println("pending=" + pendingMigrations + " budget=" + errorBudget + " status=" + rolloutStatus);
    }
}

public class RolloutGuardReliabilityReport {
    public static void main(String[] args) {
        int pendingMigrations = 0;
        int errorBudget = 8;
        String rolloutStatus = "hold";

        if (pendingMigrations == 0 && errorBudget >= 8) {
            rolloutStatus = "ship";
        } else if (pendingMigrations <= 1 && errorBudget >= 6) {
            rolloutStatus = "limit";
        }

        System.out.println("pending=" + pendingMigrations + " budget=" + errorBudget + " status=" + rolloutStatus);
    }
}

public class RolloutGuardReliabilityReport {
    public static void main(String[] args) {
        int pendingMigrations = 3;
        int errorBudget = 8;
        String rolloutStatus = "hold";

        if (pendingMigrations == 0 && errorBudget >= 8) {
            rolloutStatus = "ship";
        } else if (pendingMigrations <= 1 && errorBudget >= 6) {
            rolloutStatus = "limit";
        }

        System.out.println("pending=" + pendingMigrations + " budget=" + errorBudget + " status=" + rolloutStatus);
    }
}

  1. pendingMigrations ← 1, errorBudget ← 8, rolloutStatus ← hold

    1public class RolloutGuardReliabilityReport {2    public static void main(String[] args) {3        int pendingMigrations→ 1 = 1;  //@pendingMigrations=0, 34        int errorBudget→ 8 = 8;5        String rolloutStatus→ hold = "hold";

  2. rolloutStatus ← limit

    8    rolloutStatus = "ship";9} else if (pendingMigrations1 <= 1 && errorBudget8 >= 6) {10    rolloutStatus→ limit = "limit";11}

  3. System.out.println("pending=" + pendingMigrations + " budget=" + error…

    13    System.out.println("pending=" + pendingMigrations1 + " budget=" + errorBudget8 + " status=" + rolloutStatuslimit);14}
    outputpending=1 budget=8 status=limit

  1. pendingMigrations ← 0, errorBudget ← 8, rolloutStatus ← hold

    1public class RolloutGuardReliabilityReport {2    public static void main(String[] args) {3        int pendingMigrations→ 0 = 0;4        int errorBudget→ 8 = 8;5        String rolloutStatus→ hold = "hold";

  2. rolloutStatus ← ship

    7if (pendingMigrations0 == 0 && errorBudget8 >= 8) {8    rolloutStatus→ ship = "ship";9} else if (pendingMigrations <= 1 && errorBudget >= 6) {

  3. System.out.println("pending=" + pendingMigrations + " budget=" + error…

    13    System.out.println("pending=" + pendingMigrations0 + " budget=" + errorBudget8 + " status=" + rolloutStatusship);14}
    outputpending=0 budget=8 status=ship

  1. pendingMigrations ← 3, errorBudget ← 8, rolloutStatus ← hold

    1public class RolloutGuardReliabilityReport {2    public static void main(String[] args) {3        int pendingMigrations→ 3 = 3;4        int errorBudget→ 8 = 8;5        String rolloutStatus→ hold = "hold";67        if (pendingMigrations == 0 && errorBudget >= 8) {8            rolloutStatus = "ship";9        } else if (pendingMigrations <= 1 && errorBudget >= 6) {10            rolloutStatus = "limit";11        }1213        System.out.println("pending=" + pendingMigrations3 + " budget=" + errorBudget8 + " status=" + rolloutStatushold);14    }
    outputpending=3 budget=8 status=hold