Added DHCPD and hostfile plugins

internal/generator/plugins/dhcpd/dhcpd.go

@@ -0,0 +1,65 @@
+package main
+
+import (
+	"fmt"
+
+	configurator "github.com/OpenCHAMI/configurator/internal"
+	"github.com/OpenCHAMI/configurator/internal/generator"
+	"github.com/OpenCHAMI/configurator/internal/util"
+)
+
+type Dhcpd struct{}
+
+func (g *Dhcpd) GetName() string {
+	return "dhcpd"
+}
+
+func (g *Dhcpd) Generate(config *configurator.Config, opts ...util.Option) (generator.Files, error) {
+	var (
+		params                                         = generator.GetParams(opts...)
+		client                                         = generator.GetClient(params)
+		targetKey                                      = params["target"].(string)
+		target                                         = config.Targets[targetKey]
+		compute_nodes                                  = ""
+		eths          []configurator.EthernetInterface = nil
+		err           error                            = nil
+	)
+
+	//
+	if client != nil {
+		eths, err = client.FetchEthernetInterfaces(opts...)
+		if err != nil {
+			return nil, fmt.Errorf("failed to fetch ethernet interfaces with client: %v", err)
+		}
+	}
+
+	// check if we have the required params first
+	if eths == nil {
+		return nil, fmt.Errorf("invalid ethernet interfaces (variable is nil)")
+	}
+	if len(eths) <= 0 {
+		return nil, fmt.Errorf("no ethernet interfaces found")
+	}
+
+	// format output to write to config file
+	compute_nodes = "# ========== DYNAMICALLY GENERATED BY OPENCHAMI CONFIGURATOR ==========\n"
+	for _, eth := range eths {
+		if len(eth.IpAddresses) == 0 {
+			continue
+		}
+		compute_nodes += fmt.Sprintf("host %s { hardware ethernet %s; fixed-address %s} ", eth.ComponentId, eth.MacAddress, eth.IpAddresses[0])
+	}
+	compute_nodes += "# ====================================================================="
+
+	if verbose, ok := params["verbose"].(bool); ok {
+		if verbose {
+			fmt.Printf("")
+		}
+	}
+	return generator.ApplyTemplates(generator.Mappings{
+		"compute_nodes": compute_nodes,
+		"node_entries":  "",
+	}, target.Templates...)
+}
+
+var Generator Dhcpd

internal/generator/plugins/hostfile/hostfile.go

@@ -0,0 +1,20 @@
+package main
+
+import (
+	"fmt"
+
+	configurator "github.com/OpenCHAMI/configurator/internal"
+	"github.com/OpenCHAMI/configurator/internal/util"
+)
+
+type Hostfile struct{}
+
+func (g *Hostfile) GetName() string {
+	return "hostfile"
+}
+
+func (g *Hostfile) Generate(config *configurator.Config, opts ...util.Option) (map[string][]byte, error) {
+	return nil, fmt.Errorf("plugin does not implement generation function")
+}
+
+var Generator Hostfile

internal/generator/plugins/hostfile/hostfile_test.go

@@ -0,0 +1 @@
+package main