feat: add DST setup

.github/workflows/antithesis.yml

@@ -0,0 +1,59 @@
+name: Antithesis Integration
+on:
+  workflow_dispatch:
+    inputs:
+      run_tests:
+        description: 'Run Antithesis tests after pushing images'
+        type: boolean
+        default: true
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, synchronize, reopened]
+    paths:
+      - 'test/antithesis/**'
+
+jobs:
+  push-antithesis-images:
+    name: Push Images to Antithesis
+    runs-on: shipfox-4vcpu-ubuntu-2404
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Earthly
+        uses: earthly/actions-setup@v1
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          version: "latest"
+
+      - name: Setup Environment
+        uses: ./.github/actions/default
+        with:
+          token: ${{ secrets.NUMARY_GITHUB_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Antithesis Docker Registry
+        run: |
+          echo '${{ secrets.ANTITHESIS_JSON_KEY }}' | docker login -u _json_key https://us-central1-docker.pkg.dev --password-stdin
+
+      - name: Build and Push Config Image
+        run: |
+          cd test/antithesis
+          earthly --push +requirements-build --ANTITHESIS_REPOSITORY=${{ secrets.ANTITHESIS_REPOSITORY }}
+
+      - name: Run Antithesis Tests
+        if: ${{ github.event_name == 'workflow_dispatch' && inputs.run_tests == true }}
+        run: |
+          cd test/antithesis
+          earthly +run --ANTITHESIS_SLACK_REPORT_RECIPIENT="${{ secrets.ANTITHESIS_SLACK_REPORT_RECIPIENT }}" --ANTITHESIS_REPOSITORY=${{ secrets.ANTITHESIS_REGISTRY }} --ANTITHESIS_PASSWORD=${{ secrets.ANTITHESIS_PASSWORD }}
+        # env:
+        #   ANTITHESIS_PASSWORD: ${{ secrets.ANTITHESIS_PASSWORD }} 

go.mod

@@ -11,6 +11,7 @@ replace google.golang.org/genproto v0.0.0-20200423170343-7949de9c1215 => google.
 require (
 	github.com/ThreeDotsLabs/watermill v1.4.6
 	github.com/alitto/pond v1.9.2
+	github.com/antithesishq/antithesis-sdk-go v0.4.3
 	github.com/antlr/antlr4/runtime/Go/antlr v1.4.10
 	github.com/bluele/gcache v0.0.2
 	github.com/dop251/goja v0.0.0-20241009100908-5f46f2705ca3

go.sum

@@ -24,6 +24,8 @@ github.com/ajg/form v1.5.1 h1:t9c7v8JUKu/XxOGBU0yjNpaMloxGEJhUkqFRq0ibGeU=
 github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
 github.com/alitto/pond v1.9.2 h1:9Qb75z/scEZVCoSU+osVmQ0I0JOeLfdTDafrbcJ8CLs=
 github.com/alitto/pond v1.9.2/go.mod h1:xQn3P/sHTYcU/1BR3i86IGIrilcrGC2LiS+E2+CJWsI=
+github.com/antithesishq/antithesis-sdk-go v0.4.3 h1:a2hGdDogClzHzFu20r1z0tzD6zwSWUipiaerAjZVP90=
+github.com/antithesishq/antithesis-sdk-go v0.4.3/go.mod h1:IUpT2DPAKh6i/YhSbt6Gl3v2yvUZjmKncl7U91fup7E=
 github.com/antlr/antlr4/runtime/Go/antlr v1.4.10 h1:yL7+Jz0jTC6yykIK/Wh74gnTJnrGr5AyrNMXuA0gves=
 github.com/antlr/antlr4/runtime/Go/antlr v1.4.10/go.mod h1:F7bn7fEU90QkQ3tnmaTx3LTKLEDqnwWODIYppRQ5hnY=
 github.com/antlr4-go/antlr/v4 v4.13.1 h1:SqQKkuVZ+zWkMMNkjy5FZe5mr5WURWnlpmOuzYWrPrQ=

internal/controller/system/controller.go

@@ -2,11 +2,12 @@ package system
 
 import (
 	"context"
+	"reflect"
+	"time"
+
 	"github.com/formancehq/ledger/internal/storage/common"
 	"github.com/formancehq/ledger/pkg/features"
 	"go.opentelemetry.io/otel/attribute"
-	"reflect"
-	"time"
 
 	"go.opentelemetry.io/otel/metric"
 	noopmetrics "go.opentelemetry.io/otel/metric/noop"

internal/storage/driver/driver.go

@@ -4,13 +4,15 @@
 	"context"
 	"errors"
 	"fmt"
+	"sync"
+	"time"
+
+	"github.com/antithesishq/antithesis-sdk-go/assert"
 	"github.com/formancehq/ledger/internal/storage/common"
 	systemstore "github.com/formancehq/ledger/internal/storage/system"
 	"github.com/formancehq/ledger/internal/tracing"
 	"go.opentelemetry.io/otel/trace"
 	"go.opentelemetry.io/otel/trace/noop"
-	"sync"
-	"time"
 
 	"github.com/alitto/pond"
 	"github.com/formancehq/go-libs/v3/bun/bunpaginate"
@@ -35,13 +37,31 @@
 	parallelBucketMigrations int
 }
 
-func (d *Driver) CreateLedger(ctx context.Context, l *ledger.Ledger) (*ledgerstore.Store, error) {
+/*
+CreateLedger creates a new ledger in the system and sets up all necessary database objects.
 
+The function follows these steps:
+ 1. Create a ledger record in the system store (_system.ledgers table)
+ 2. Get the bucket (database schema) for this ledger
+ 3. Check if the bucket is already initialized:
+    a. If initialized: Verify it's up to date and add ledger-specific objects to it
+    b. If not initialized: Create the bucket schema with all necessary tables
+ 4. Return a ledger store that provides an interface to interact with the ledger
+
+Note: This entire process is wrapped in a database transaction, ensuring atomicity.
+If any step fails, the entire transaction is rolled back, preventing partial state.
+*/
+func (d *Driver) CreateLedger(ctx context.Context, l *ledger.Ledger) (*ledgerstore.Store, error) {
 	var ret *ledgerstore.Store
+
+	// Run the entire ledger creation process in a transaction for atomicity
+	// This ensures that either all steps succeed or none do (preventing partial state)
 	err := d.db.RunInTx(ctx, nil, func(ctx context.Context, tx bun.Tx) error {
 		systemStore := d.systemStoreFactory.Create(d.db)
 
+		// Step 1: Create the ledger record in the system store
 		if err := systemStore.CreateLedger(ctx, l); err != nil {
+			// Handle the case where the ledger already exists
 			if errors.Is(postgres.ResolveError(err), postgres.ErrConstraintsFailed{}) {
 				return systemcontroller.ErrLedgerAlreadyExists
 			}
@@ -53,13 +73,26 @@
 		if err != nil {
 			return fmt.Errorf("checking if bucket is initialized: %w", err)
 		}
+
 		if isInitialized {
 			upToDate, err := b.IsUpToDate(ctx, tx)
 			if err != nil {
 				return fmt.Errorf("checking if bucket is up to date: %w", err)
 			}
 
 			if !upToDate {
+				assert.AlwaysOrUnreachable(
+					// @todo: replace this with a proper flag detailing wether we're
+					// operating a new version of the binary or not.
+					// if we are, we are definitely expecting this to happen.
+					// if we're not, this should be unreachable.
+					false,
+					"Bucket is outdated",
+					map[string]any{
+						"bucket": l.Bucket,
+					},
+				)
+
 				return systemcontroller.ErrBucketOutdated
 			}
 
@@ -72,14 +105,18 @@
 			}
 		}
 
+		// Step 4: Create a store for interacting with the ledger
 		ret = d.ledgerStoreFactory.Create(b, *l)
 
 		return nil
 	})
+
+	// If any error occurred during the transaction, resolve and return it
 	if err != nil {
 		return nil, postgres.ResolveError(err)
 	}
 
+	// Return the created ledger store
 	return ret, nil
 }
 

pkg/client/Earthfile

@@ -0,0 +1,8 @@
+VERSION 0.7
+
+FROM --platform=linux/amd64 golang:1.22.2
+
+client:
+  FROM scratch
+  COPY . /client
+  SAVE ARTIFACT /client client

test/antithesis/Earthfile

@@ -0,0 +1,58 @@
+VERSION 0.8
+
+IMPORT github.com/formancehq/earthly:tags/v0.17.1 AS core
+
+FROM core+base-image
+
+run:
+    WAIT
+        BUILD +requirements-build
+    END
+
+    FROM curlimages/curl
+    ARG ANTITHESIS_USERNAME=formance
+    ARG --required ANTITHESIS_SLACK_REPORT_RECIPIENT
+    RUN --no-cache --secret ANTITHESIS_PASSWORD curl \
+        --fail \
+        --user "$ANTITHESIS_USERNAME:$ANTITHESIS_PASSWORD" \
+        -X POST https://formance.antithesis.com/api/v1/launch_experiment/formance -d "{
+          \"params\": {
+            \"custom.duration\": \"0.1\",
+            \"antithesis.report.recipients\": \"${ANTITHESIS_SLACK_REPORT_RECIPIENT}\",
+            \"antithesis.config_image\": \"antithesis-config:latest\",
+            \"antithesis.images\": \"ledger:latest;workload:latest\"
+          }
+        }"
+
+debugger:
+  FROM curlimages/curl
+
+  ARG ANTITHESIS_USERNAME=formance
+  ARG --required ANTITHESIS_SLACK_REPORT_RECIPIENT
+  ARG --required VTIME
+  ARG --required SESSION_ID
+  ARG --required HASH
+  RUN echo "{
+          \"params\": {
+            \"antithesis.debugging.session_id\": \"${SESSION_ID}\",
+            \"antithesis.debugging.input_hash\": \"${HASH}\",
+            \"antithesis.debugging.vtime\": \"${VTIME}\",
+            \"antithesis.report.recipients\": \"${ANTITHESIS_SLACK_REPORT_RECIPIENT}\"
+          }
+        }" > /tmp/debug_params.json
+
+  # Display the debug parameters for verification
+  RUN cat /tmp/debug_params.json
+
+  RUN --no-cache --secret ANTITHESIS_PASSWORD curl \
+      --fail \
+      --user "$ANTITHESIS_USERNAME:$ANTITHESIS_PASSWORD" \
+      -X POST https://formance.antithesis.com/api/v1/launch/debugging \
+      -d @/tmp/debug_params.json
+
+requirements-build:
+  ARG --required ANTITHESIS_REPOSITORY
+
+  BUILD --pass-args ./config+build
+  BUILD --pass-args ./image+build
+  BUILD --pass-args ./workload+build

test/antithesis/config/Earthfile

@@ -0,0 +1,11 @@
+VERSION 0.8
+
+IMPORT github.com/formancehq/earthly:tags/v0.17.1 AS core
+
+build:
+    FROM --platform=linux/amd64 scratch
+    ARG --required ANTITHESIS_REPOSITORY
+    COPY docker-compose.yml /docker-compose.yml
+    COPY --dir gateway /gateway
+
+    SAVE IMAGE --push --no-manifest-list ${ANTITHESIS_REPOSITORY}/antithesis-config:latest

test/antithesis/config/docker-compose.yml

@@ -0,0 +1,88 @@
+---
+networks:
+  formance:
+    driver: bridge
+    ipam:
+      config:
+        - subnet: 10.0.29.0/24
+
+services:
+  postgres:
+    image: "postgres:15-alpine"
+    hostname: postgres
+    container_name: postgres
+    command:
+      - -c
+      - max_connections=100
+    environment:
+      POSTGRES_USER: "ledger"
+      POSTGRES_PASSWORD: "ledger"
+      POSTGRES_DB: "ledger"
+      PGDATA: /data/postgres
+    healthcheck:
+      test: [ "CMD-SHELL", "pg_isready -U ledger" ]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    networks:
+      formance:
+        ipv4_address: 10.0.29.16
+
+  ledger1:
+    image: "us-central1-docker.pkg.dev/molten-verve-216720/formance-repository/ledger:latest"
+    hostname: ledger1
+    container_name: ledger1
+    environment:
+      POSTGRES_URI: "postgresql://ledger:ledger@10.0.29.16:5432/ledger?sslmode=disable"
+      BIND: ":8080"
+      POSTGRES_CONN_MAX_IDLE_TIME: "1m0s"
+      POSTGRES_MAX_IDLE_CONNS: "20"
+      POSTGRES_MAX_OPEN_CONNS: "20"
+    networks:
+      formance:
+        ipv4_address: 10.0.29.17
+    depends_on:
+      postgres:
+        condition: service_healthy
+
+  ledger2:
+    image: "us-central1-docker.pkg.dev/molten-verve-216720/formance-repository/ledger:latest"
+    hostname: ledger2
+    container_name: ledger2
+    environment:
+      POSTGRES_URI: "postgresql://ledger:ledger@10.0.29.16:5432/ledger?sslmode=disable"
+      POSTGRES_CONN_MAX_IDLE_TIME: "1m0s"
+      POSTGRES_MAX_IDLE_CONNS: "20"
+      POSTGRES_MAX_OPEN_CONNS: "20"
+      BIND: ":8080"
+    networks:
+      formance:
+        ipv4_address: 10.0.29.18
+    depends_on:
+      postgres:
+        condition: service_healthy
+
+  workload:
+    image: "us-central1-docker.pkg.dev/molten-verve-216720/formance-repository/workload:latest"
+    hostname: workload
+    container_name: workload
+    networks:
+      formance:
+        ipv4_address: 10.0.29.19
+    depends_on:
+      - gateway
+
+  gateway:
+    image: "ghcr.io/formancehq/gateway:v2.0.0-rc.20"
+    hostname: gateway
+    container_name: gateway
+    volumes:
+      - ./gateway/Caddyfile:/etc/caddy/Caddyfile
+    ports:
+      - "8080:8080"
+    networks:
+      formance:
+        ipv4_address: 10.0.29.20
+    depends_on:
+      - ledger1
+      - ledger2

test/antithesis/config/gateway/Caddyfile

@@ -0,0 +1,12 @@
+{
+	# Local env dev config
+	auto_https off
+	debug
+}
+
+:8080 {
+    reverse_proxy {
+        to ledger1:8080 ledger2:8080
+        lb_policy first
+    }
+}