add minimalist golang tool to allow for waku simulation compose generation

Author: vpavlin

Makefile

@@ -0,0 +1,8 @@
+BIN_DIR = bin/
+CLI = bin/wakusim
+
+build:
+	go build -o $(CLI) main.go
+
+clean:
+	rm -rf $(CLI)

cmd/wakusim/generate.go

@@ -0,0 +1,35 @@
+package wakusim
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/spf13/cobra"
+	"github.com/waku-org/waku-simulator/internal/simulate"
+)
+
+var generateCmd = &cobra.Command{
+	Use: "gen",
+	Run: func(cmd *cobra.Command, args []string) {
+		simulation, err := cmd.Flags().GetString("simulation")
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		s := simulate.NewSimulation(simulation, "")
+
+		err = s.Load(fmt.Sprintf("%s.yaml", simulation))
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		err = s.Generate()
+		if err != nil {
+			log.Fatal(err)
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(generateCmd)
+}

cmd/wakusim/root.go

@@ -0,0 +1,27 @@
+package wakusim
+
+import (
+	"log"
+
+	"github.com/spf13/cobra"
+)
+
+var version = "v0.0.0"
+
+var rootCmd = &cobra.Command{
+	Use:     "waksim",
+	Version: version,
+}
+
+func Execute() {
+	var err error
+
+	err = rootCmd.Execute()
+	if err != nil {
+		log.Fatalln(err)
+	}
+}
+
+func init() {
+	rootCmd.PersistentFlags().StringP("simulation", "s", "default", "name of the simulation")
+}

default.yaml

@@ -0,0 +1,43 @@
+name: Basic simulation
+bootstrap: true
+publisher:
+  image: alrevuelta/waku-publisher:9fb206c
+  msq_per_sec: 10
+  msg_size_kb: 10
+groups:
+  - name: nwaku
+    type: nwaku
+    image: statusteam/nim-waku:v0.19.0
+    count: 2
+    args:
+      - --relay
+    env:
+      POSTGRES_USER: nwaku
+      POSTGRES_PASSWORD: verysecret
+    volumes:
+      - src: ./data
+        dst: /data
+        per_node: true
+  - name: nwaku-extra
+    type: nwaku
+    image: statusteam/nim-waku:v0.19.0
+    count: 2
+    args:
+      - --filter=true
+      - --store=true
+    env:
+      POSTGRES_USER: nwaku
+      POSTGRES_PASSWORD: verysecret
+    volumes:
+      - src: ./data
+        dst: /data
+        per_node: true
+  - name: gowaku
+    type: gowaku
+    image: statusteam/go-waku:latest
+    count: 2
+    args:
+      - --relay
+    volumes:
+      - src: /home/vpavlin/devel/github.com/vpavlin/waku-simulator/go-data
+        dst: /data

go.mod

@@ -0,0 +1,58 @@
+module github.com/waku-org/waku-simulator
+
+go 1.18
+
+require github.com/spf13/cobra v1.7.0
+
+require (
+	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.7.0 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.3.0 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/internal v1.3.0 // indirect
+	github.com/AzureAD/microsoft-authentication-library-for-go v1.0.0 // indirect
+	github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 // indirect
+	github.com/aws/aws-sdk-go v1.44.302 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/distribution/distribution/v3 v3.0.0-20230214150026-36d8c594d7aa // indirect
+	github.com/docker/go-connections v0.4.0 // indirect
+	github.com/go-kit/log v0.2.1 // indirect
+	github.com/go-logfmt/logfmt v0.6.0 // indirect
+	github.com/golang-jwt/jwt/v4 v4.5.0 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/grafana/regexp v0.0.0-20221122212121-6b5c0a4cb7fd // indirect
+	github.com/jmespath/go-jmespath v0.4.0 // indirect
+	github.com/jpillora/backoff v1.0.0 // indirect
+	github.com/kylelemons/godebug v1.1.0 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f // indirect
+	github.com/opencontainers/go-digest v1.0.0 // indirect
+	github.com/pkg/browser v0.0.0-20210911075715-681adbf594b8 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/prometheus/client_golang v1.16.0 // indirect
+	github.com/prometheus/client_model v0.4.0 // indirect
+	github.com/prometheus/common v0.44.0 // indirect
+	github.com/prometheus/common/sigv4 v0.1.0 // indirect
+	github.com/prometheus/procfs v0.11.0 // indirect
+	github.com/sirupsen/logrus v1.9.0 // indirect
+	golang.org/x/crypto v0.11.0 // indirect
+	golang.org/x/exp v0.0.0-20230713183714-613f0c0eb8a1 // indirect
+	golang.org/x/net v0.12.0 // indirect
+	golang.org/x/oauth2 v0.10.0 // indirect
+	golang.org/x/sync v0.3.0 // indirect
+	golang.org/x/sys v0.10.0 // indirect
+	golang.org/x/text v0.11.0 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)
+
+require (
+	github.com/compose-spec/compose-go v1.18.1
+	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/otiai10/copy v1.12.0
+	github.com/prometheus/prometheus v0.46.0
+	github.com/spf13/pflag v1.0.5 // indirect
+	gopkg.in/yaml.v3 v3.0.1
+)