Add custom on chain target prom, specify container name for blockchains

framework/.changeset/v0.10.24.md

@@ -0,0 +1,2 @@
+- On chain metrics scrape targets
+- Allow to specify custom names for blockchain containers

framework/components/blockchain/blockchain.go

@@ -34,10 +34,11 @@ const (
 // Input is a blockchain network configuration params
 type Input struct {
 	// Common EVM fields
-	Type      string `toml:"type" validate:"required,oneof=anvil geth besu solana aptos tron sui ton" envconfig:"net_type"`
-	Image     string `toml:"image"`
-	PullImage bool   `toml:"pull_image"`
-	Port      string `toml:"port"`
+	Type          string `toml:"type" validate:"required,oneof=anvil geth besu solana aptos tron sui ton" envconfig:"net_type"`
+	Image         string `toml:"image"`
+	PullImage     bool   `toml:"pull_image"`
+	Port          string `toml:"port"`
+	ContainerName string `toml:"container_name"`
 	// Not applicable to Solana, ws port for Solana is +1 of port
 	WSPort                   string   `toml:"port_ws"`
 	ChainID                  string   `toml:"chain_id"`

framework/components/blockchain/containers.go

@@ -24,6 +24,9 @@ const (
 
 func baseRequest(in *Input, useWS ExposeWs) testcontainers.ContainerRequest {
 	containerName := framework.DefaultTCName("blockchain-node")
+	if in.ContainerName != "" {
+		containerName = in.ContainerName
+	}
 	bindPort := fmt.Sprintf("%s/tcp", in.Port)
 	exposedPorts := []string{bindPort}
 	if useWS {

framework/observability/compose/conf/prometheus.yml

@@ -2,6 +2,11 @@ global:
   scrape_interval: 10s
 
 scrape_configs:
+  - job_name: 'on-chain-metrics'
+    metrics_path: /on-chain-metrics
+    scrape_interval: 2s
+    static_configs:
+      - targets: [ 'host.docker.internal:9112', '172.17.0.1:9112']
   - job_name: 'otel-collector'
     scrape_interval: 10s
     static_configs: