Add spring-aerospike: Aerospike-Java sample with Keploy record/replay

spring-aerospike/.gitignore

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+target/
+keploy/

spring-aerospike/Dockerfile

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+FROM eclipse-temurin:17-jdk
+WORKDIR /app
+RUN apt-get update && apt-get install -y maven && rm -rf /var/lib/apt/lists/*
+COPY pom.xml /app/
+COPY src /app/src
+RUN mvn -q -DskipTests package
+EXPOSE 8090
+ENTRYPOINT ["java", "-jar", "target/spring-aerospike.jar"]

spring-aerospike/README.md

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+# spring-aerospike — Aerospike-Java sample with Keploy record/replay
+
+A Spring Boot 2.7 service that talks to Aerospike CE over the
+clear-text service port (3000) using the official
+`aerospike-client-jdk8`. Recorded and replayed end-to-end with
+Keploy via three bundled scripts that mirror the
+`keploy/samples-go/aerospike-tls` shape one-to-one — same endpoints,
+same test-set layout, same record-then-replay loop.
+
+What the sample demonstrates:
+
+* **Keploy records binary Aerospike protocol traffic** — Info,
+  AS_MSG (single-record PUT/GET/TOUCH/DELETE), BATCH_READ/WRITE,
+  SCAN, QUERY, UDF, CDT — and replays them from `mocks.yaml`
+  without needing the real cluster.
+* **Replay stays deterministic at any concurrency the app exposes** —
+  single-client `/parallel`, multi-client round-robin, and per-
+  request fresh-client construction all pass cleanly.
+* **A pipeline-friendly shape.** Three `scripts/script-{1,2,3}.sh`
+  entry points each record and replay one test-set independently,
+  so a CI matrix can call them as separate steps.
+
+## Layout
+
+```
+spring-aerospike/
+├── pom.xml                            # Spring Boot 2.7 + aerospike-client-jdk8
+├── src/main/java/com/example/aerospike/
+│   ├── SpringAerospikeApplication.java
+│   ├── config/                        # client + multi-client pool, warmup, policies
+│   └── controller/                    # one @RestController per endpoint group
+├── src/main/resources/
+│   └── application.properties         # port + Aerospike host/namespace/pool sizing
+├── aerospike-conf/
+│   └── aerospike.conf                 # CE config: clear-text on 3000
+├── docker-compose.yml                 # Aerospike CE + the Spring Boot app
+├── Dockerfile                         # eclipse-temurin 17 + mvn package
+├── keploy.yml                         # Keploy CLI config (command, ports)
+└── scripts/
+    ├── common.sh                      # shared boot/build/record/replay/normalise
+    ├── script-1.sh                    # records + replays test-set-0 (CRUD)
+    ├── script-2.sh                    # records + replays test-set-1 (/parallel)
+    └── script-3.sh                    # records + replays test-set-2 (/multiclient + /freshclient)
+```
+
+There is no committed `keploy/` directory — the scripts produce it
+from scratch every run. Each CI run validates the full
+record-then-replay loop instead of replaying stale captures.
+
+## Endpoints
+
+| Method | Path                       | What it does                                                                 |
+| ------ | -------------------------- | ---------------------------------------------------------------------------- |
+| GET    | `/health`                  | `info build + namespaces`                                                    |
+| POST   | `/put`                     | single-record PUT                                                            |
+| GET    | `/get/{key}`               | single-record GET                                                            |
+| POST   | `/batch/put`               | sequential write loop                                                        |
+| GET    | `/batch/get?k=a&k=b`       | BATCH_READ                                                                   |
+| POST   | `/scan`                    | full namespace scan                                                          |
+| POST   | `/query`                   | secondary-index range query                                                  |
+| POST   | `/udf`                     | UDF_EXECUTE                                                                  |
+| POST   | `/cdt/list/append`         | CDT list append                                                              |
+| POST   | `/cdt/map/put`             | CDT map put                                                                  |
+| POST   | `/touch/{key}`             | TOUCH                                                                        |
+| DELETE | `/key/{key}`               | DELETE                                                                       |
+| POST   | `/parallel?n=N&prefix=P`   | fans out N threads, each PUT+GET on a unique key — **one shared client**     |
+| POST   | `/multiclient?n=N&prefix=P`| same, but round-robins across **4 pre-built `AerospikeClient` instances**    |
+| POST   | `/freshclient?n=N&prefix=P`| **each thread builds its own `AerospikeClient`** inside the request          |
+
+## Run it manually
+
+```bash
+# 1) Boot Aerospike CE on clear-text 3000.
+docker compose up -d aerospike
+
+# 2) Build + run the Spring Boot app.
+mvn -q -DskipTests package
+java -jar target/spring-aerospike.jar
+
+# 3) Hit it.
+curl -s localhost:8090/health
+curl -s -XPOST localhost:8090/put -H 'Content-Type: application/json' \
+     -d '{"key":"alice","bins":{"age":30}}'
+curl -s localhost:8090/get/alice
+curl -s -XPOST 'localhost:8090/parallel?n=24&prefix=run1'
+curl -s -XPOST 'localhost:8090/multiclient?n=24&prefix=mc1'
+curl -s -XPOST 'localhost:8090/freshclient?n=8&prefix=fc1'
+```
+
+## Record + replay with the scripts
+
+```bash
+# Each script is self-contained: brings up Aerospike, builds the
+# JAR, records, replays. Exit code is non-zero if any case fails on
+# replay.
+sudo ./scripts/script-1.sh    # test-set-0: single-endpoint CRUD
+sudo ./scripts/script-2.sh    # test-set-1: /parallel n = 4..24
+sudo ./scripts/script-3.sh    # test-set-2: /multiclient + /freshclient
+```
+
+Pipeline-friendly knobs (env vars):
+
+| Var          | Default       | What it does                                                  |
+|--------------|---------------|---------------------------------------------------------------|
+| `KEPLOY`     | `sudo keploy` | binary + auth invocation. Override to `keploy` if root        |
+| `PORT`       | `8090`        | HTTP port the recorded sample listens on                      |
+| `LOG_DIR`    | `/tmp`        | where to drop the keploy record log                           |
+| `SKIP_DOCKER`| (unset)       | `=1` skips `docker compose up -d aerospike` (already running) |
+| `SKIP_BUILD` | (unset)       | `=1` skips `mvn package` (JAR already in target/)             |
+
+## Concurrency notes — why the warmup + retry matter
+
+Mocked replay through Keploy is roughly 10–20× faster than real
+Aerospike for the same op. A burst of N concurrent threads on a
+cold client pool then races to open N fresh sockets, and the
+thread that loses the race surfaces as `MAX_RETRIES_EXCEEDED` at
+the application — even though every peer in the same burst
+succeeds.
+
+`AerospikeConfig` paints over this with four layered changes;
+together they make `/parallel?n=24`, `/multiclient?n=24`, and
+`/freshclient?n=8` replay clean on every run:
+
+1. **Sized pool** — `ClientPolicy.maxConnsPerNode = 256`. The
+   `OpeningConnectionThreshold` analogue is kept low (16) so a
+   sudden burst doesn't outpace upstream connect rate.
+2. **Tolerant per-op policy** — `Policies.parallelWrite()` and
+   `Policies.parallelRead()` set `socketTimeout 10s`, `totalTimeout
+   30s`, `maxRetries 10`, `sleepBetweenRetries 5ms`.
+3. **Two-phase warmup** on the main client at startup: a sequential
+   prelude that walks the cluster past cold-start latencies,
+   followed by a parallel fill that puts idle connections in the
+   pool before the HTTP server accepts the first request.
+4. **App-level retry wrapper** (`RetryHelper.doOp`) around each PUT
+   and GET in `/parallel`, `/multiclient`, and `/freshclient`.
+
+`/multiclient`'s extra clients are deliberately NOT warmed at
+startup — a hundred concurrent dials at boot can stall a record-
+time proxy. The retry wrapper covers their first burst instead.
+
+This sample is the Java counterpart of
+[`keploy/samples-go/aerospike-tls`](https://github.com/keploy/samples-go/tree/main/aerospike-tls);
+the script set is byte-for-byte the same shape so a single CI
+matrix can drive both languages with the same harness.

spring-aerospike/aerospike-conf/aerospike.conf

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+# Aerospike CE config — clear-text on port 3000.
+
+service {
+    proto-fd-max 15000
+    cluster-name spring-aerospike-sample
+}
+
+logging {
+    console {
+        context any info
+    }
+}
+
+network {
+    service {
+        address any
+        port 3000
+    }
+
+    heartbeat {
+        mode mesh
+        address local
+        port 3002
+        interval 150
+        timeout 10
+    }
+
+    fabric {
+        address local
+        port 3001
+    }
+
+    info {
+        port 3003
+    }
+}
+
+namespace test {
+    replication-factor 1
+    default-ttl 30d
+    nsup-period 120
+    storage-engine memory {
+        data-size 1G
+    }
+}

spring-aerospike/docker-compose.yml

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+# Aerospike CE on clear-text 3000 + the Spring Boot sample on 8090.
+services:
+  aerospike:
+    image: aerospike/aerospike-server:7.2.0.1
+    container_name: aerospike
+    networks:
+      - keploy-network
+    ports:
+      - "3000:3000"
+    volumes:
+      - ./aerospike-conf/aerospike.conf:/etc/aerospike/aerospike.conf:ro
+    entrypoint: ["/usr/bin/asd", "--foreground", "--config-file", "/etc/aerospike/aerospike.conf"]
+    command: []
+    ulimits:
+      nofile:
+        soft: 65536
+        hard: 65536
+    healthcheck:
+      test: ["CMD", "asinfo", "-h", "127.0.0.1", "-p", "3000", "-v", "build"]
+      interval: 5s
+      timeout: 3s
+      retries: 20
+
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: spring-aerospike
+    depends_on:
+      aerospike:
+        condition: service_healthy
+    environment:
+      AEROSPIKE_HOST: aerospike
+      AEROSPIKE_PORT: "3000"
+      LISTEN_PORT: "8090"
+    ports:
+      - "8090:8090"
+    networks:
+      - keploy-network
+
+networks:
+  keploy-network:

spring-aerospike/keploy.yml

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+path: ""
+appId: 0
+appName: spring-aerospike
+command: java -jar target/spring-aerospike.jar
+templatize:
+    testSets: []
+port: 0
+dnsPort: 26789
+proxyPort: 16789
+incomingProxyPort: 36789
+debug: false
+disableTele: false
+disableANSI: false
+containerName: ""
+networkName: ""
+buildDelay: 30
+test:
+    selectedTests: {}
+    globalNoise:
+        global: {}
+        test-sets: {}
+    delay: 15
+    apiTimeout: 5
+    skipCoverage: false
+    coverageReportPath: ""
+    ignoreOrdering: true
+    mongoPassword: default@123
+    language: ""
+    removeUnusedMocks: false
+    fallBackOnMiss: false
+    jacocoAgentPath: ""
+    basePath: ""
+    mocking: true
+    ignoredTests: {}
+    strictMockWindow: true
+record:
+    filters: []
+    basePath: ""
+    recordTimer: 0s
+    metadata: ""
+    testCaseNaming: descriptive
+report:
+    selectedTestSets: {}
+    showFullBody: false
+    reportPath: ""
+    summary: false
+    testCaseIDs: []
+    format: ""
+keployContainer: keploy-v3
+keployNetwork: keploy-network
+cmdType: native

spring-aerospike/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.7.18</version>
+        <relativePath/>
+    </parent>
+
+    <groupId>com.example</groupId>
+    <artifactId>spring-aerospike</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>spring-aerospike</name>
+    <description>Aerospike-Java sample for Keploy record/replay</description>
+
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.aerospike</groupId>
+            <artifactId>aerospike-client-jdk8</artifactId>
+            <version>9.0.5</version>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>spring-aerospike</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>