implement system mode agent

agent/pkg/agent/bare_metal.go

@@ -0,0 +1,24 @@
+package agent
+
+import (
+	"bytes"
+	"strings"
+	"text/template"
+)
+
+var (
+	installScript = `AGENT_NAME={{.Name}} \
+	AGENT_PORT={{.Port}} \
+	AGENT_CA_CERT={{.CACert}} \
+	AGENT_SSL_CERT={{.SSLCert}} \
+	bash -c "$(curl -fsSL https://raw.githubusercontent.com/yusing/go-proxy/main/scripts/install-agent.sh)"`
+	installScriptTemplate = template.Must(template.New("install.sh").Parse(installScript))
+)
+
+func (c *AgentEnvConfig) Generate() (string, error) {
+	buf := bytes.NewBuffer(make([]byte, 0, 4096))
+	if err := installScriptTemplate.Execute(buf, c); err != nil {
+		return "", err
+	}
+	return strings.ReplaceAll(buf.String(), ";", "\\;"), nil
+}

agent/pkg/agent/docker_compose.go

@@ -7,9 +7,11 @@ import (
 	_ "embed"
 )
 
-//go:embed agent.compose.yml
-var agentComposeYAML string
-var agentComposeYAMLTemplate = template.Must(template.New("agent.compose.yml").Parse(agentComposeYAML))
+var (
+	//go:embed templates/agent.compose.yml
+	agentComposeYAML         string
+	agentComposeYAMLTemplate = template.Must(template.New("agent.compose.yml").Parse(agentComposeYAML))
+)
 
 const (
 	DockerImageProduction = "ghcr.io/yusing/godoxy-agent:latest"

agent/pkg/agent/env.go

@@ -0,0 +1,17 @@
+package agent
+
+type (
+	AgentEnvConfig struct {
+		Name    string
+		Port    int
+		CACert  string
+		SSLCert string
+	}
+	AgentComposeConfig struct {
+		Image string
+		*AgentEnvConfig
+	}
+	Generator interface {
+		Generate() (string, error)
+	}
+)