Merge pull request #540 from mslacken/node-edit

add edit command for direct edit of node entries

internal/app/wwctl/node/edit/main.go

@@ -0,0 +1,115 @@
+package edit
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"strings"
+
+	apinode "github.com/hpcng/warewulf/internal/pkg/api/node"
+	"github.com/hpcng/warewulf/internal/pkg/api/routes/wwapiv1"
+	apiutil "github.com/hpcng/warewulf/internal/pkg/api/util"
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/hpcng/warewulf/internal/pkg/util"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+	"github.com/spf13/cobra"
+	"gopkg.in/yaml.v2"
+)
+
+func CobraRunE(cmd *cobra.Command, args []string) error {
+	canWrite := apiutil.CanWriteConfig()
+	if !canWrite.CanWriteConfig {
+		wwlog.Error("Can't write to config exiting")
+		os.Exit(1)
+	}
+	editor := os.Getenv("EDITOR")
+	if editor == "" {
+		editor = "/bin/vi"
+	}
+	if len(args) == 0 {
+		args = append(args, ".*")
+	}
+	filterList := wwapiv1.NodeList{
+		Output: args,
+	}
+	nodeListMsg := apinode.FilteredNodes(&filterList)
+	nodeMap := make(map[string]*node.NodeConf)
+	// got proper yaml back
+	_ = yaml.Unmarshal([]byte(nodeListMsg.NodeConfMapYaml), nodeMap)
+	file, err := ioutil.TempFile("/tmp", "ww4NodeEdit*.yaml")
+	if err != nil {
+		wwlog.Error("Could not create temp file:%s \n", err)
+	}
+	defer os.Remove(file.Name())
+	nodeConf := node.NewConf()
+	yamlTemplate := nodeConf.UnmarshalConf([]string{"tagsdel", "default", "profiles"})
+	for {
+		_ = file.Truncate(0)
+		_, _ = file.Seek(0, 0)
+		if !NoHeader {
+			_, _ = file.WriteString("#nodename:\n#  " + strings.Join(yamlTemplate, "\n#  ") + "\n")
+		}
+		_, _ = file.WriteString(nodeListMsg.NodeConfMapYaml)
+		_, _ = file.Seek(0, 0)
+		hasher := sha256.New()
+		if _, err := io.Copy(hasher, file); err != nil {
+			wwlog.Error("Problems getting checksum of file %s\n", err)
+		}
+		sum1 := hex.EncodeToString(hasher.Sum(nil))
+		err = util.ExecInteractive(editor, file.Name())
+		if err != nil {
+			wwlog.Error("Editor process existed with non-zero\n")
+			os.Exit(1)
+		}
+		_, _ = file.Seek(0, 0)
+		hasher.Reset()
+		if _, err := io.Copy(hasher, file); err != nil {
+			wwlog.Error("Problems getting checksum of file %s\n", err)
+		}
+		sum2 := hex.EncodeToString(hasher.Sum(nil))
+		wwlog.Debug("Hashes are before %s and after %s\n", sum1, sum2)
+		if sum1 != sum2 {
+			wwlog.Debug("Nodes were modified")
+			modifiedNodeMap := make(map[string]*node.NodeConf)
+			_, _ = file.Seek(0, 0)
+			// ignore error as only may occurs under strange circumstances
+			buffer, _ := io.ReadAll(file)
+			err = yaml.Unmarshal(buffer, modifiedNodeMap)
+			if err == nil {
+				nodeList := make([]string, len(nodeMap))
+				i := 0
+				for key := range nodeMap {
+					nodeList[i] = key
+					i++
+				}
+				yes := apiutil.ConfirmationPrompt(fmt.Sprintf("Are you sure you want to modify %d nodes", len(modifiedNodeMap)))
+				if !yes {
+					break
+				}
+				err = apinode.NodeDelete(&wwapiv1.NodeDeleteParameter{NodeNames: nodeList, Force: true})
+				if err != nil {
+					wwlog.Verbose("Problem deleting nodes before modification %s")
+				}
+				buffer, _ = yaml.Marshal(modifiedNodeMap)
+				err = apinode.NodeAddFromYaml(&wwapiv1.NodeYaml{NodeConfMapYaml: string(buffer)})
+				if err != nil {
+					wwlog.Error("Got following problem when writing back yaml: %s", err)
+					os.Exit(1)
+				}
+				break
+			} else {
+				yes := apiutil.ConfirmationPrompt(fmt.Sprintf("Got following error on parsing: %s, Retry", err))
+				if !yes {
+					break
+				}
+			}
+		} else {
+			break
+		}
+	}
+
+	return nil
+}

internal/app/wwctl/node/edit/root.go

@@ -0,0 +1,39 @@
+package edit
+
+import (
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/spf13/cobra"
+)
+
+var (
+	baseCmd = &cobra.Command{
+		DisableFlagsInUseLine: true,
+		Use:                   "edit [OPTIONS] NODENAME",
+		Short:                 "Edit node(s) with editor",
+		Long:                  "This command opens an editor for the given nodes.",
+		RunE:                  CobraRunE,
+		ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+			if len(args) != 0 {
+				return nil, cobra.ShellCompDirectiveNoFileComp
+			}
+
+			nodeDB, _ := node.New()
+			nodes, _ := nodeDB.FindAllNodes()
+			var node_names []string
+			for _, node := range nodes {
+				node_names = append(node_names, node.Id.Get())
+			}
+			return node_names, cobra.ShellCompDirectiveNoFileComp
+		},
+	}
+	NoHeader bool
+)
+
+func init() {
+	baseCmd.PersistentFlags().BoolVar(&NoHeader, "noheader", false, "Do not print header")
+}
+
+// GetRootCommand returns the root cobra.Command for the application.
+func GetCommand() *cobra.Command {
+	return baseCmd
+}

internal/app/wwctl/node/export/main.go

@@ -0,0 +1,26 @@
+package export
+
+import (
+	"fmt"
+
+	apinode "github.com/hpcng/warewulf/internal/pkg/api/node"
+	"github.com/hpcng/warewulf/internal/pkg/api/routes/wwapiv1"
+	"github.com/spf13/cobra"
+)
+
+func CobraRunE(cmd *cobra.Command, args []string) error {
+	if len(args) == 0 {
+		args = append(args, ".*")
+	}
+	filterList := wwapiv1.NodeList{
+		Output: args,
+	}
+	nodeListMsg := apinode.FilteredNodes(&filterList)
+	/*
+		nodeMap := make(map[string]*node.NodeConf)
+		// got proper yaml back
+		_ = yaml.Unmarshal([]byte(nodeListMsg.NodeConfMapYaml), nodeMap)
+	*/
+	fmt.Println(nodeListMsg.NodeConfMapYaml)
+	return nil
+}

internal/app/wwctl/node/export/root.go

@@ -0,0 +1,38 @@
+package export
+
+import (
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/spf13/cobra"
+)
+
+var (
+	baseCmd = &cobra.Command{
+		DisableFlagsInUseLine: true,
+		Use:                   "export  NODENAME",
+		Short:                 "Export nodes as yaml to stdout",
+		Long:                  "This command exports the given nodes as yaml to stdout.",
+		RunE:                  CobraRunE,
+		ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+			if len(args) != 0 {
+				return nil, cobra.ShellCompDirectiveNoFileComp
+			}
+
+			nodeDB, _ := node.New()
+			nodes, _ := nodeDB.FindAllNodes()
+			var node_names []string
+			for _, node := range nodes {
+				node_names = append(node_names, node.Id.Get())
+			}
+			return node_names, cobra.ShellCompDirectiveNoFileComp
+		},
+	}
+	NoHeader bool
+)
+
+func init() {
+}
+
+// GetRootCommand returns the root cobra.Command for the application.
+func GetCommand() *cobra.Command {
+	return baseCmd
+}

internal/app/wwctl/node/imprt/main.go

@@ -0,0 +1,98 @@
+package imprt
+
+import (
+	"bytes"
+	"encoding/csv"
+	"fmt"
+	"io"
+	"os"
+
+	apinode "github.com/hpcng/warewulf/internal/pkg/api/node"
+	"github.com/hpcng/warewulf/internal/pkg/api/routes/wwapiv1"
+	apiutil "github.com/hpcng/warewulf/internal/pkg/api/util"
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+	"github.com/spf13/cobra"
+	"gopkg.in/yaml.v2"
+)
+
+func CobraRunE(cmd *cobra.Command, args []string) error {
+	file, err := os.Open(args[0])
+	if err != nil {
+		wwlog.Error("Could not open file:%s \n", err)
+		os.Exit(1)
+	}
+	defer file.Close()
+
+	importMap := make(map[string]*node.NodeConf)
+	buffer, err := io.ReadAll(file)
+	if err != nil {
+		wwlog.Error("Could not read:%s\n", err)
+		os.Exit(1)
+	}
+	if !ImportCVS {
+		err = yaml.Unmarshal(buffer, importMap)
+		if err == nil {
+			yes := apiutil.ConfirmationPrompt(fmt.Sprintf("Are you sure you want to modify %d nodes", len(importMap)))
+			if yes {
+				err = apinode.NodeAddFromYaml(&wwapiv1.NodeYaml{NodeConfMapYaml: string(buffer)})
+				if err != nil {
+					wwlog.Error("Got following problem when writing back yaml: %s", err)
+					os.Exit(1)
+				}
+			}
+		} else {
+			wwlog.Error("Could not parse import file")
+		}
+	} else {
+		// reading from buffer is a bit overshot
+		csvReader := csv.NewReader(bytes.NewReader(buffer))
+		records, err := csvReader.ReadAll()
+		if err != nil {
+			wwlog.Error("Could not parse %s: %s\n", args[0], err)
+			os.Exit(1)
+		}
+		if len(records) < 1 || len(records[0]) < 1 {
+			wwlog.Error("Did not find any data in %s\n", args[0])
+			os.Exit(1)
+		}
+		if !(records[0][0] == "node" || records[0][0] == "nodename") {
+			Usage()
+			os.Exit(1)
+		}
+		argsLen := len(records[0])
+		for i, line := range records[1:] {
+			if len(line) != argsLen {
+				wwlog.Error("Wrong number of fields in lube %u\n", i+1)
+				os.Exit(1)
+			}
+			for j := range line {
+				if j == 0 {
+					continue
+				}
+				if importMap[line[0]] == nil {
+					importMap[line[0]] = new(node.NodeConf)
+				}
+				ok := importMap[line[0]].SetLopt(records[0][j], line[j])
+				if !(ok) {
+					wwlog.Debug("Could not import %s\n", line[j])
+				}
+			}
+		}
+		yes := apiutil.ConfirmationPrompt(fmt.Sprintf("Are you sure you want to import %d nodes", len(importMap)))
+		if yes {
+			// create second buffer an marshall nodeMap to it
+			buffer, err = yaml.Marshal(importMap)
+			if err != nil {
+				wwlog.Error("Got following problem when creating yaml: %s", err)
+			}
+			err = apinode.NodeAddFromYaml(&wwapiv1.NodeYaml{NodeConfMapYaml: string(buffer)})
+			if err != nil {
+				wwlog.Error("Got following problem when writing back yaml: %s", err)
+				os.Exit(1)
+			}
+		}
+	}
+
+	return nil
+}

internal/app/wwctl/node/imprt/root.go

@@ -0,0 +1,35 @@
+package imprt
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	baseCmd = &cobra.Command{
+		DisableFlagsInUseLine: true,
+		Use:                   "import [OPTIONS] NODENAME",
+		Short:                 "Import node(s) from yaml file",
+		Long:                  "This command imports all the nodes defined in a file. It will overwrite nodes with same name.",
+		RunE:                  CobraRunE,
+		Args:                  cobra.MinimumNArgs(1),
+		Aliases:               []string{"import"},
+	}
+	ImportCVS bool
+)
+
+func init() {
+	baseCmd.PersistentFlags().BoolVarP(&ImportCVS, "cvs", "c", false, "Import CVS file")
+}
+
+// GetRootCommand returns the root cobra.Command for the application.
+func GetCommand() *cobra.Command {
+	return baseCmd
+}
+
+func Usage() {
+	fmt.Println(`The csv file must be structured in following way:
+node,option1,option2,net.netname1.netopt
+node01,value1,value2,net.netname1,netvalue`)
+}

internal/app/wwctl/node/root.go

@@ -4,6 +4,9 @@ import (
 	"github.com/hpcng/warewulf/internal/app/wwctl/node/add"
 	"github.com/hpcng/warewulf/internal/app/wwctl/node/console"
 	"github.com/hpcng/warewulf/internal/app/wwctl/node/delete"
+	"github.com/hpcng/warewulf/internal/app/wwctl/node/edit"
+	"github.com/hpcng/warewulf/internal/app/wwctl/node/export"
+	"github.com/hpcng/warewulf/internal/app/wwctl/node/imprt"
 	"github.com/hpcng/warewulf/internal/app/wwctl/node/list"
 	"github.com/hpcng/warewulf/internal/app/wwctl/node/sensors"
 	"github.com/hpcng/warewulf/internal/app/wwctl/node/set"
@@ -30,6 +33,9 @@ func init() {
 	baseCmd.AddCommand(delete.GetCommand())
 	baseCmd.AddCommand(console.GetCommand())
 	baseCmd.AddCommand(nodestatus.GetCommand())
+	baseCmd.AddCommand(edit.GetCommand())
+	baseCmd.AddCommand(imprt.GetCommand())
+	baseCmd.AddCommand(export.GetCommand())
 }
 
 // GetRootCommand returns the root cobra.Command for the application.

internal/app/wwctl/profile/delete/root.go

@@ -1,6 +1,9 @@
 package delete
 
-import "github.com/spf13/cobra"
+import (
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/spf13/cobra"
+)
 
 var (
 	baseCmd = &cobra.Command{
@@ -10,6 +13,18 @@ var (
 		Long:                  "This command deletes the node PROFILE. You may use a pattern for PROFILE.",
 		RunE:                  CobraRunE,
 		Args:                  cobra.MinimumNArgs(1),
+		ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+			if len(args) != 0 {
+				return nil, cobra.ShellCompDirectiveNoFileComp
+			}
+			nodeDB, _ := node.New()
+			profiles, _ := nodeDB.FindAllProfiles()
+			var p_names []string
+			for _, profile := range profiles {
+				p_names = append(p_names, profile.Id.Get())
+			}
+			return p_names, cobra.ShellCompDirectiveNoFileComp
+		},
 	}
 	SetYes bool
 )

internal/app/wwctl/profile/edit/main.go

@@ -0,0 +1,115 @@
+package edit
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"strings"
+
+	apiprofile "github.com/hpcng/warewulf/internal/pkg/api/profile"
+	"github.com/hpcng/warewulf/internal/pkg/api/routes/wwapiv1"
+	apiutil "github.com/hpcng/warewulf/internal/pkg/api/util"
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/hpcng/warewulf/internal/pkg/util"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+	"github.com/spf13/cobra"
+	"gopkg.in/yaml.v2"
+)
+
+func CobraRunE(cmd *cobra.Command, args []string) error {
+	canWrite := apiutil.CanWriteConfig()
+	if !canWrite.CanWriteConfig {
+		wwlog.Error("Can't write to config exiting")
+		os.Exit(1)
+	}
+	editor := os.Getenv("EDITOR")
+	if editor == "" {
+		editor = "/bin/vi"
+	}
+	if len(args) == 0 {
+		args = append(args, ".*")
+	}
+	filterList := wwapiv1.NodeList{
+		Output: args,
+	}
+	profileListMsg := apiprofile.FilteredProfiles(&filterList)
+	profileMap := make(map[string]*node.NodeConf)
+	// got proper yaml back
+	_ = yaml.Unmarshal([]byte(profileListMsg.NodeConfMapYaml), profileMap)
+	file, err := ioutil.TempFile("/tmp", "ww4ProfileEdit*.yaml")
+	if err != nil {
+		wwlog.Error("Could not create temp file:%s \n", err)
+	}
+	defer os.Remove(file.Name())
+	nodeConf := node.NewConf()
+	yamlTemplate := nodeConf.UnmarshalConf([]string{"tagsdel"})
+	for {
+		_ = file.Truncate(0)
+		_, _ = file.Seek(0, 0)
+		if !NoHeader {
+			_, _ = file.WriteString("#profilename:\n#  " + strings.Join(yamlTemplate, "\n#  ") + "\n")
+		}
+		_, _ = file.WriteString(profileListMsg.NodeConfMapYaml)
+		_, _ = file.Seek(0, 0)
+		hasher := sha256.New()
+		if _, err := io.Copy(hasher, file); err != nil {
+			wwlog.Error("Problems getting checksum of file %s\n", err)
+		}
+		sum1 := hex.EncodeToString(hasher.Sum(nil))
+		err = util.ExecInteractive(editor, file.Name())
+		if err != nil {
+			wwlog.Error("Editor process existed with non-zero\n")
+			os.Exit(1)
+		}
+		_, _ = file.Seek(0, 0)
+		hasher.Reset()
+		if _, err := io.Copy(hasher, file); err != nil {
+			wwlog.Error("Problems getting checksum of file %s\n", err)
+		}
+		sum2 := hex.EncodeToString(hasher.Sum(nil))
+		wwlog.Debug("Hashes are before %s and after %s\n", sum1, sum2)
+		if sum1 != sum2 {
+			wwlog.Debug("Nodes were modified")
+			modifiedProfileMap := make(map[string]*node.NodeConf)
+			_, _ = file.Seek(0, 0)
+			// ignore error as only may occurs under strange circumstances
+			buffer, _ := io.ReadAll(file)
+			err = yaml.Unmarshal(buffer, modifiedProfileMap)
+			if err == nil {
+				nodeList := make([]string, len(profileMap))
+				i := 0
+				for key := range profileMap {
+					nodeList[i] = key
+					i++
+				}
+				yes := apiutil.ConfirmationPrompt(fmt.Sprintf("Are you sure you want to modify %d nodes", len(modifiedProfileMap)))
+				if !yes {
+					break
+				}
+				err = apiprofile.ProfileDelete(&wwapiv1.NodeDeleteParameter{NodeNames: nodeList, Force: true})
+				if err != nil {
+					wwlog.Verbose("Problem deleting nodes before modification %s")
+				}
+				buffer, _ = yaml.Marshal(modifiedProfileMap)
+				err = apiprofile.ProfileAddFromYaml(&wwapiv1.NodeYaml{NodeConfMapYaml: string(buffer)})
+				if err != nil {
+					wwlog.Error("Got following problem when writing back yaml: %s", err)
+					os.Exit(1)
+				}
+				break
+			} else {
+				yes := apiutil.ConfirmationPrompt(fmt.Sprintf("Got following error on parsing: %s, Retry", err))
+				if !yes {
+					break
+				}
+			}
+		} else {
+			break
+		}
+	}
+
+	return nil
+}

internal/app/wwctl/profile/edit/root.go

@@ -0,0 +1,38 @@
+package edit
+
+import (
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/spf13/cobra"
+)
+
+var (
+	baseCmd = &cobra.Command{
+		DisableFlagsInUseLine: true,
+		Use:                   "edit [OPTIONS] NODENAME",
+		Short:                 "Edit node(s) with editor",
+		Long:                  "This command opens an editor for the given profiles.",
+		RunE:                  CobraRunE,
+		ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+			if len(args) != 0 {
+				return nil, cobra.ShellCompDirectiveNoFileComp
+			}
+			nodeDB, _ := node.New()
+			profiles, _ := nodeDB.FindAllProfiles()
+			var p_names []string
+			for _, profile := range profiles {
+				p_names = append(p_names, profile.Id.Get())
+			}
+			return p_names, cobra.ShellCompDirectiveNoFileComp
+		},
+	}
+	NoHeader bool
+)
+
+func init() {
+	baseCmd.PersistentFlags().BoolVar(&NoHeader, "noheader", false, "Do not print header")
+}
+
+// GetRootCommand returns the root cobra.Command for the application.
+func GetCommand() *cobra.Command {
+	return baseCmd
+}

internal/app/wwctl/profile/root.go

@@ -3,6 +3,7 @@ package profile
 import (
 	"github.com/hpcng/warewulf/internal/app/wwctl/profile/add"
 	"github.com/hpcng/warewulf/internal/app/wwctl/profile/delete"
+	"github.com/hpcng/warewulf/internal/app/wwctl/profile/edit"
 	"github.com/hpcng/warewulf/internal/app/wwctl/profile/list"
 	"github.com/hpcng/warewulf/internal/app/wwctl/profile/set"
 	"github.com/spf13/cobra"
@@ -23,6 +24,7 @@ func init() {
 	baseCmd.AddCommand(set.GetCommand())
 	baseCmd.AddCommand(add.GetCommand())
 	baseCmd.AddCommand(delete.GetCommand())
+	baseCmd.AddCommand(edit.GetCommand())
 }
 
 // GetRootCommand returns the root cobra.Command for the application.

internal/pkg/api/node/edit.go

@@ -0,0 +1,70 @@
+package apinode
+
+import (
+	"os"
+
+	"github.com/hpcng/warewulf/internal/pkg/api/routes/wwapiv1"
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+	"github.com/pkg/errors"
+	"gopkg.in/yaml.v2"
+)
+
+/*
+Returns the nodes as a yaml string
+*/
+func FindAllNodeConfs() *wwapiv1.NodeYaml {
+	nodeDB, err := node.New()
+	if err != nil {
+		wwlog.Error("Could not open nodeDB: %s\n", err)
+		os.Exit(1)
+	}
+	nodeMap := nodeDB.Nodes
+	// ignore err as nodeDB should always be correct
+	buffer, _ := yaml.Marshal(nodeMap)
+	retVal := wwapiv1.NodeYaml{
+		NodeConfMapYaml: string(buffer),
+	}
+	return &retVal
+}
+
+/*
+Returns filtered list of nodes
+*/
+func FilteredNodes(nodeList *wwapiv1.NodeList) *wwapiv1.NodeYaml {
+	nodeDB, err := node.New()
+	if err != nil {
+		wwlog.Error("Could not open nodeDB: %s\n", err)
+		os.Exit(1)
+	}
+	nodeMap := nodeDB.Nodes
+	nodeMap = node.FilterMapByName(nodeMap, nodeList.Output)
+	buffer, _ := yaml.Marshal(nodeMap)
+	retVal := wwapiv1.NodeYaml{
+		NodeConfMapYaml: string(buffer),
+	}
+	return &retVal
+}
+
+/*
+Add nodes from yaml
+*/
+func NodeAddFromYaml(nodeList *wwapiv1.NodeYaml) (err error) {
+	nodeDB, err := node.New()
+	if err != nil {
+		return errors.Wrap(err, "Could not open NodeDB: %s\n")
+	}
+	nodeMap := make(map[string]*node.NodeConf)
+	err = yaml.Unmarshal([]byte(nodeList.NodeConfMapYaml), nodeMap)
+	if err != nil {
+		return errors.Wrap(err, "Could not unmarshall Yaml: %s\n")
+	}
+	for nodeName, node := range nodeMap {
+		nodeDB.Nodes[nodeName] = node
+	}
+	err = nodeDB.Persist()
+	if err != nil {
+		return errors.Wrap(err, "failed to persist nodedb")
+	}
+	return nil
+}

internal/pkg/api/node/node.go

@@ -102,7 +102,7 @@ func NodeDelete(ndp *wwapiv1.NodeDeleteParameter) (err error) {
 			wwlog.Error("%s\n", err)
 		} else {
 			//count++
-			fmt.Printf("Deleting node: %s\n", n.Id.Print())
+			wwlog.Verbose("Deleting node: %s\n", n.Id.Print())
 		}
 	}
 

internal/pkg/api/profile/delete.go

@@ -0,0 +1,94 @@
+package apiprofile
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/hpcng/warewulf/internal/pkg/api/routes/wwapiv1"
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/hpcng/warewulf/internal/pkg/warewulfd"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+	"github.com/hpcng/warewulf/pkg/hostlist"
+	"github.com/pkg/errors"
+)
+
+// ProfileDelete adds profile deletion for management by Warewulf.
+func ProfileDelete(ndp *wwapiv1.NodeDeleteParameter) (err error) {
+
+	var profileList []node.NodeInfo
+	profileList, err = ProfileDeleteParameterCheck(ndp, false)
+	if err != nil {
+		return
+	}
+
+	nodeDB, err := node.New()
+	if err != nil {
+		wwlog.Error("Failed to open node database: %s\n", err)
+		return
+	}
+
+	for _, p := range profileList {
+		err := nodeDB.DelProfile(p.Id.Get())
+		if err != nil {
+			wwlog.Error("%s\n", err)
+		} else {
+			//count++
+			wwlog.Verbose("Deleting node: %s\n", p.Id.Print())
+		}
+	}
+
+	err = nodeDB.Persist()
+	if err != nil {
+		return errors.Wrap(err, "failed to persist nodedb")
+	}
+
+	err = warewulfd.DaemonReload()
+	if err != nil {
+		return errors.Wrap(err, "failed to reload warewulf daemon")
+	}
+	return
+}
+
+// ProfileDeleteParameterCheck does error checking on ProfileDeleteParameter.
+// Output to the console if console is true.
+// Returns the profiles to delete.
+func ProfileDeleteParameterCheck(ndp *wwapiv1.NodeDeleteParameter, console bool) (profileList []node.NodeInfo, err error) {
+
+	if ndp == nil {
+		err = fmt.Errorf("ProfileDeleteParameter is nil")
+		return
+	}
+
+	nodeDB, err := node.New()
+	if err != nil {
+		wwlog.Error("Failed to open node database: %s\n", err)
+		return
+	}
+
+	profiles, err := nodeDB.FindAllProfiles()
+	if err != nil {
+		wwlog.Error("Could not get node list: %s\n", err)
+		return
+	}
+
+	node_args := hostlist.Expand(ndp.NodeNames)
+
+	for _, r := range node_args {
+		var match bool
+		for _, p := range profiles {
+			if p.Id.Get() == r {
+				profileList = append(profileList, p)
+				match = true
+			}
+		}
+
+		if !match {
+			fmt.Fprintf(os.Stderr, "ERROR: No match for node: %s\n", r)
+		}
+	}
+
+	if len(profileList) == 0 {
+		fmt.Printf("No s found\n")
+	}
+	return
+}

internal/pkg/api/profile/edit.go

@@ -0,0 +1,70 @@
+package apiprofile
+
+import (
+	"os"
+
+	"github.com/hpcng/warewulf/internal/pkg/api/routes/wwapiv1"
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+	"github.com/pkg/errors"
+	"gopkg.in/yaml.v2"
+)
+
+/*
+Returns the nodes as a yaml string
+*/
+func FindAllProfileConfs() *wwapiv1.NodeYaml {
+	nodeDB, err := node.New()
+	if err != nil {
+		wwlog.Error("Could not open nodeDB: %s\n", err)
+		os.Exit(1)
+	}
+	profileMap := nodeDB.NodeProfiles
+	// ignore err as nodeDB should always be correct
+	buffer, _ := yaml.Marshal(profileMap)
+	retVal := wwapiv1.NodeYaml{
+		NodeConfMapYaml: string(buffer),
+	}
+	return &retVal
+}
+
+/*
+Returns filtered list of nodes
+*/
+func FilteredProfiles(profileList *wwapiv1.NodeList) *wwapiv1.NodeYaml {
+	nodeDB, err := node.New()
+	if err != nil {
+		wwlog.Error("Could not open nodeDB: %s\n", err)
+		os.Exit(1)
+	}
+	profileMap := nodeDB.NodeProfiles
+	profileMap = node.FilterMapByName(profileMap, profileList.Output)
+	buffer, _ := yaml.Marshal(profileMap)
+	retVal := wwapiv1.NodeYaml{
+		NodeConfMapYaml: string(buffer),
+	}
+	return &retVal
+}
+
+/*
+Add profiles from yaml
+*/
+func ProfileAddFromYaml(nodeList *wwapiv1.NodeYaml) (err error) {
+	nodeDB, err := node.New()
+	if err != nil {
+		return errors.Wrap(err, "Could not open NodeDB: %s\n")
+	}
+	profileMap := make(map[string]*node.NodeConf)
+	err = yaml.Unmarshal([]byte(nodeList.NodeConfMapYaml), profileMap)
+	if err != nil {
+		return errors.Wrap(err, "Could not unmarshall Yaml: %s\n")
+	}
+	for profileName, profile := range profileMap {
+		nodeDB.NodeProfiles[profileName] = profile
+	}
+	err = nodeDB.Persist()
+	if err != nil {
+		return errors.Wrap(err, "failed to persist nodedb")
+	}
+	return nil
+}

internal/pkg/api/routes/v1/routes.proto

@@ -91,7 +91,6 @@ message NetDev {
 // NodeInfo contains details about a node managed by Warewulf/
 message NodeInfo {
 	map<string, NodeField> Fields = 1;
-
 	map<string, NetDev> NetDevs = 23;
 	map<string, NodeField> Tags = 24;
 	map<string, NodeField> Keys = 25; // TODO: We may not need this. Tags may be it. Ask Greg.
@@ -126,6 +125,12 @@ message NodeAddParameter {
 	repeated string nodeNames = 10;
 }
 
+// NodeYaml is just the updated YAML config which will be added
+// to nodes.conf (is resused for profile edit)
+message NodeYaml {
+	string nodeConfMapYaml = 1;
+}
+
 // NodeDeleteParameter contains input for removing nodes from Warewulf
 // management.
 message NodeDeleteParameter {
@@ -167,6 +172,11 @@ message VersionResponse {
 	string warewulfVersion = 3;
 }
 
+// Check if config is writeable
+message CanWriteConfig {
+	bool canWriteConfig = 1;
+}
+
 // WWApi defines the wwapid service web interface.
 service WWApi {
 

internal/pkg/api/routes/wwapiv1/routes.pb.go

@@ -1026,6 +1026,55 @@ func (x *NodeAddParameter) GetNodeNames() []string {
 	return nil
 }
 
+// NodeYaml is just the updated YAML config which will be added
+// to nodes.conf (is resused for profile edit)
+type NodeYaml struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	NodeConfMapYaml string `protobuf:"bytes,1,opt,name=nodeConfMapYaml,proto3" json:"nodeConfMapYaml,omitempty"`
+}
+
+func (x *NodeYaml) Reset() {
+	*x = NodeYaml{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_routes_proto_msgTypes[16]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *NodeYaml) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*NodeYaml) ProtoMessage() {}
+
+func (x *NodeYaml) ProtoReflect() protoreflect.Message {
+	mi := &file_routes_proto_msgTypes[16]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use NodeYaml.ProtoReflect.Descriptor instead.
+func (*NodeYaml) Descriptor() ([]byte, []int) {
+	return file_routes_proto_rawDescGZIP(), []int{16}
+}
+
+func (x *NodeYaml) GetNodeConfMapYaml() string {
+	if x != nil {
+		return x.NodeConfMapYaml
+	}
+	return ""
+}
+
 // NodeDeleteParameter contains input for removing nodes from Warewulf
 // management.
 type NodeDeleteParameter struct {
@@ -1040,7 +1089,7 @@ type NodeDeleteParameter struct {
 func (x *NodeDeleteParameter) Reset() {
 	*x = NodeDeleteParameter{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_routes_proto_msgTypes[16]
+		mi := &file_routes_proto_msgTypes[17]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1053,7 +1102,7 @@ func (x *NodeDeleteParameter) String() string {
 func (*NodeDeleteParameter) ProtoMessage() {}
 
 func (x *NodeDeleteParameter) ProtoReflect() protoreflect.Message {
-	mi := &file_routes_proto_msgTypes[16]
+	mi := &file_routes_proto_msgTypes[17]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1066,7 +1115,7 @@ func (x *NodeDeleteParameter) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use NodeDeleteParameter.ProtoReflect.Descriptor instead.
 func (*NodeDeleteParameter) Descriptor() ([]byte, []int) {
-	return file_routes_proto_rawDescGZIP(), []int{16}
+	return file_routes_proto_rawDescGZIP(), []int{17}
 }
 
 func (x *NodeDeleteParameter) GetForce() bool {
@@ -1101,7 +1150,7 @@ type NodeSetParameter struct {
 func (x *NodeSetParameter) Reset() {
 	*x = NodeSetParameter{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_routes_proto_msgTypes[17]
+		mi := &file_routes_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1114,7 +1163,7 @@ func (x *NodeSetParameter) String() string {
 func (*NodeSetParameter) ProtoMessage() {}
 
 func (x *NodeSetParameter) ProtoReflect() protoreflect.Message {
-	mi := &file_routes_proto_msgTypes[17]
+	mi := &file_routes_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1127,7 +1176,7 @@ func (x *NodeSetParameter) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use NodeSetParameter.ProtoReflect.Descriptor instead.
 func (*NodeSetParameter) Descriptor() ([]byte, []int) {
-	return file_routes_proto_rawDescGZIP(), []int{17}
+	return file_routes_proto_rawDescGZIP(), []int{18}
 }
 
 func (x *NodeSetParameter) GetNodeConfYaml() string {
@@ -1188,7 +1237,7 @@ type NodeStatus struct {
 func (x *NodeStatus) Reset() {
 	*x = NodeStatus{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_routes_proto_msgTypes[18]
+		mi := &file_routes_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1201,7 +1250,7 @@ func (x *NodeStatus) String() string {
 func (*NodeStatus) ProtoMessage() {}
 
 func (x *NodeStatus) ProtoReflect() protoreflect.Message {
-	mi := &file_routes_proto_msgTypes[18]
+	mi := &file_routes_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1214,7 +1263,7 @@ func (x *NodeStatus) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use NodeStatus.ProtoReflect.Descriptor instead.
 func (*NodeStatus) Descriptor() ([]byte, []int) {
-	return file_routes_proto_rawDescGZIP(), []int{18}
+	return file_routes_proto_rawDescGZIP(), []int{19}
 }
 
 func (x *NodeStatus) GetNodeName() string {
@@ -1264,7 +1313,7 @@ type NodeStatusResponse struct {
 func (x *NodeStatusResponse) Reset() {
 	*x = NodeStatusResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_routes_proto_msgTypes[19]
+		mi := &file_routes_proto_msgTypes[20]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1277,7 +1326,7 @@ func (x *NodeStatusResponse) String() string {
 func (*NodeStatusResponse) ProtoMessage() {}
 
 func (x *NodeStatusResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_routes_proto_msgTypes[19]
+	mi := &file_routes_proto_msgTypes[20]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1290,7 +1339,7 @@ func (x *NodeStatusResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use NodeStatusResponse.ProtoReflect.Descriptor instead.
 func (*NodeStatusResponse) Descriptor() ([]byte, []int) {
-	return file_routes_proto_rawDescGZIP(), []int{19}
+	return file_routes_proto_rawDescGZIP(), []int{20}
 }
 
 func (x *NodeStatusResponse) GetNodeStatus() []*NodeStatus {
@@ -1314,7 +1363,7 @@ type VersionResponse struct {
 func (x *VersionResponse) Reset() {
 	*x = VersionResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_routes_proto_msgTypes[20]
+		mi := &file_routes_proto_msgTypes[21]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1327,7 +1376,7 @@ func (x *VersionResponse) String() string {
 func (*VersionResponse) ProtoMessage() {}
 
 func (x *VersionResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_routes_proto_msgTypes[20]
+	mi := &file_routes_proto_msgTypes[21]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1340,7 +1389,7 @@ func (x *VersionResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use VersionResponse.ProtoReflect.Descriptor instead.
 func (*VersionResponse) Descriptor() ([]byte, []int) {
-	return file_routes_proto_rawDescGZIP(), []int{20}
+	return file_routes_proto_rawDescGZIP(), []int{21}
 }
 
 func (x *VersionResponse) GetApiPrefix() string {
@@ -1364,6 +1413,54 @@ func (x *VersionResponse) GetWarewulfVersion() string {
 	return ""
 }
 
+// Check if config is writeable
+type CanWriteConfig struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	CanWriteConfig bool `protobuf:"varint,1,opt,name=canWriteConfig,proto3" json:"canWriteConfig,omitempty"`
+}
+
+func (x *CanWriteConfig) Reset() {
+	*x = CanWriteConfig{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_routes_proto_msgTypes[22]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CanWriteConfig) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CanWriteConfig) ProtoMessage() {}
+
+func (x *CanWriteConfig) ProtoReflect() protoreflect.Message {
+	mi := &file_routes_proto_msgTypes[22]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CanWriteConfig.ProtoReflect.Descriptor instead.
+func (*CanWriteConfig) Descriptor() ([]byte, []int) {
+	return file_routes_proto_rawDescGZIP(), []int{22}
+}
+
+func (x *CanWriteConfig) GetCanWriteConfig() bool {
+	if x != nil {
+		return x.CanWriteConfig
+	}
+	return false
+}
+
 var File_routes_proto protoreflect.FileDescriptor
 
 var file_routes_proto_rawDesc = []byte{
@@ -1504,45 +1601,52 @@ var file_routes_proto_rawDesc = []byte{
 	0x6f, 0x6e, 0x66, 0x59, 0x61, 0x6d, 0x6c, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0c, 0x6e,
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+	0x6e, 0x6f, 0x64, 0x65, 0x4e, 0x61, 0x6d, 0x65, 0x73, 0x22, 0x34, 0x0a, 0x08, 0x4e, 0x6f, 0x64,
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@@ -1628,7 +1732,7 @@ func file_routes_proto_rawDescGZIP() []byte {
 }
 
 var file_routes_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_routes_proto_msgTypes = make([]protoimpl.MessageInfo, 27)
+var file_routes_proto_msgTypes = make([]protoimpl.MessageInfo, 29)
 var file_routes_proto_goTypes = []interface{}{
 	(GetNodeList_ListType)(0),          // 0: wwapi.v1.GetNodeList.ListType
 	(*ContainerBuildParameter)(nil),    // 1: wwapi.v1.ContainerBuildParameter
@@ -1647,30 +1751,32 @@ var file_routes_proto_goTypes = []interface{}{
 	(*GetNodeList)(nil),                // 14: wwapi.v1.GetNodeList
 	(*NodeList)(nil),                   // 15: wwapi.v1.NodeList
 	(*NodeAddParameter)(nil),           // 16: wwapi.v1.NodeAddParameter
-	(*NodeDeleteParameter)(nil),        // 17: wwapi.v1.NodeDeleteParameter
+	(*NodeYaml)(nil),                   // 17: wwapi.v1.NodeYaml
-	(*NodeSetParameter)(nil),           // 18: wwapi.v1.NodeSetParameter
+	(*NodeDeleteParameter)(nil),        // 18: wwapi.v1.NodeDeleteParameter
-	(*NodeStatus)(nil),                 // 19: wwapi.v1.NodeStatus
+	(*NodeSetParameter)(nil),           // 19: wwapi.v1.NodeSetParameter
-	(*NodeStatusResponse)(nil),         // 20: wwapi.v1.NodeStatusResponse
+	(*NodeStatus)(nil),                 // 20: wwapi.v1.NodeStatus
-	(*VersionResponse)(nil),            // 21: wwapi.v1.VersionResponse
+	(*NodeStatusResponse)(nil),         // 21: wwapi.v1.NodeStatusResponse
-	nil,                                // 22: wwapi.v1.NetDev.FieldEntry
+	(*VersionResponse)(nil),            // 22: wwapi.v1.VersionResponse
-	nil,                                // 23: wwapi.v1.NetDev.TagsEntry
+	(*CanWriteConfig)(nil),             // 23: wwapi.v1.CanWriteConfig
-	nil,                                // 24: wwapi.v1.NodeInfo.FieldsEntry
+	nil,                                // 24: wwapi.v1.NetDev.FieldEntry
-	nil,                                // 25: wwapi.v1.NodeInfo.NetDevsEntry
+	nil,                                // 25: wwapi.v1.NetDev.TagsEntry
-	nil,                                // 26: wwapi.v1.NodeInfo.TagsEntry
+	nil,                                // 26: wwapi.v1.NodeInfo.FieldsEntry
-	nil,                                // 27: wwapi.v1.NodeInfo.KeysEntry
+	nil,                                // 27: wwapi.v1.NodeInfo.NetDevsEntry
-	(*empty.Empty)(nil),                // 28: google.protobuf.Empty
+	nil,                                // 28: wwapi.v1.NodeInfo.TagsEntry
+	nil,                                // 29: wwapi.v1.NodeInfo.KeysEntry
+	(*empty.Empty)(nil),                // 30: google.protobuf.Empty
 }
 var file_routes_proto_depIdxs = []int32{
 	4,  // 0: wwapi.v1.ContainerListResponse.containers:type_name -> wwapi.v1.ContainerInfo
-	22, // 1: wwapi.v1.NetDev.Field:type_name -> wwapi.v1.NetDev.FieldEntry
+	24, // 1: wwapi.v1.NetDev.Field:type_name -> wwapi.v1.NetDev.FieldEntry
-	23, // 2: wwapi.v1.NetDev.Tags:type_name -> wwapi.v1.NetDev.TagsEntry
+	25, // 2: wwapi.v1.NetDev.Tags:type_name -> wwapi.v1.NetDev.TagsEntry
-	24, // 3: wwapi.v1.NodeInfo.Fields:type_name -> wwapi.v1.NodeInfo.FieldsEntry
+	26, // 3: wwapi.v1.NodeInfo.Fields:type_name -> wwapi.v1.NodeInfo.FieldsEntry
-	25, // 4: wwapi.v1.NodeInfo.NetDevs:type_name -> wwapi.v1.NodeInfo.NetDevsEntry
+	27, // 4: wwapi.v1.NodeInfo.NetDevs:type_name -> wwapi.v1.NodeInfo.NetDevsEntry
-	26, // 5: wwapi.v1.NodeInfo.Tags:type_name -> wwapi.v1.NodeInfo.TagsEntry
+	28, // 5: wwapi.v1.NodeInfo.Tags:type_name -> wwapi.v1.NodeInfo.TagsEntry
-	27, // 6: wwapi.v1.NodeInfo.Keys:type_name -> wwapi.v1.NodeInfo.KeysEntry
+	29, // 6: wwapi.v1.NodeInfo.Keys:type_name -> wwapi.v1.NodeInfo.KeysEntry
 	12, // 7: wwapi.v1.NodeListResponse.nodes:type_name -> wwapi.v1.NodeInfo
 	0,  // 8: wwapi.v1.GetNodeList.type:type_name -> wwapi.v1.GetNodeList.ListType
-	19, // 9: wwapi.v1.NodeStatusResponse.nodeStatus:type_name -> wwapi.v1.NodeStatus
+	20, // 9: wwapi.v1.NodeStatusResponse.nodeStatus:type_name -> wwapi.v1.NodeStatus
 	10, // 10: wwapi.v1.NetDev.FieldEntry.value:type_name -> wwapi.v1.NodeField
 	10, // 11: wwapi.v1.NetDev.TagsEntry.value:type_name -> wwapi.v1.NodeField
 	10, // 12: wwapi.v1.NodeInfo.FieldsEntry.value:type_name -> wwapi.v1.NodeField
@@ -1680,25 +1786,25 @@ var file_routes_proto_depIdxs = []int32{
 	1,  // 16: wwapi.v1.WWApi.ContainerBuild:input_type -> wwapi.v1.ContainerBuildParameter
 	2,  // 17: wwapi.v1.WWApi.ContainerDelete:input_type -> wwapi.v1.ContainerDeleteParameter
 	3,  // 18: wwapi.v1.WWApi.ContainerImport:input_type -> wwapi.v1.ContainerImportParameter
-	28, // 19: wwapi.v1.WWApi.ContainerList:input_type -> google.protobuf.Empty
+	30, // 19: wwapi.v1.WWApi.ContainerList:input_type -> google.protobuf.Empty
 	6,  // 20: wwapi.v1.WWApi.ContainerShow:input_type -> wwapi.v1.ContainerShowParameter
 	16, // 21: wwapi.v1.WWApi.NodeAdd:input_type -> wwapi.v1.NodeAddParameter
-	17, // 22: wwapi.v1.WWApi.NodeDelete:input_type -> wwapi.v1.NodeDeleteParameter
+	18, // 22: wwapi.v1.WWApi.NodeDelete:input_type -> wwapi.v1.NodeDeleteParameter
 	9,  // 23: wwapi.v1.WWApi.NodeList:input_type -> wwapi.v1.NodeNames
-	18, // 24: wwapi.v1.WWApi.NodeSet:input_type -> wwapi.v1.NodeSetParameter
+	19, // 24: wwapi.v1.WWApi.NodeSet:input_type -> wwapi.v1.NodeSetParameter
 	9,  // 25: wwapi.v1.WWApi.NodeStatus:input_type -> wwapi.v1.NodeNames
-	28, // 26: wwapi.v1.WWApi.Version:input_type -> google.protobuf.Empty
+	30, // 26: wwapi.v1.WWApi.Version:input_type -> google.protobuf.Empty
 	5,  // 27: wwapi.v1.WWApi.ContainerBuild:output_type -> wwapi.v1.ContainerListResponse
-	28, // 28: wwapi.v1.WWApi.ContainerDelete:output_type -> google.protobuf.Empty
+	30, // 28: wwapi.v1.WWApi.ContainerDelete:output_type -> google.protobuf.Empty
 	5,  // 29: wwapi.v1.WWApi.ContainerImport:output_type -> wwapi.v1.ContainerListResponse
 	5,  // 30: wwapi.v1.WWApi.ContainerList:output_type -> wwapi.v1.ContainerListResponse
 	7,  // 31: wwapi.v1.WWApi.ContainerShow:output_type -> wwapi.v1.ContainerShowResponse
 	13, // 32: wwapi.v1.WWApi.NodeAdd:output_type -> wwapi.v1.NodeListResponse
-	28, // 33: wwapi.v1.WWApi.NodeDelete:output_type -> google.protobuf.Empty
+	30, // 33: wwapi.v1.WWApi.NodeDelete:output_type -> google.protobuf.Empty
 	13, // 34: wwapi.v1.WWApi.NodeList:output_type -> wwapi.v1.NodeListResponse
 	13, // 35: wwapi.v1.WWApi.NodeSet:output_type -> wwapi.v1.NodeListResponse
-	20, // 36: wwapi.v1.WWApi.NodeStatus:output_type -> wwapi.v1.NodeStatusResponse
+	21, // 36: wwapi.v1.WWApi.NodeStatus:output_type -> wwapi.v1.NodeStatusResponse
-	21, // 37: wwapi.v1.WWApi.Version:output_type -> wwapi.v1.VersionResponse
+	22, // 37: wwapi.v1.WWApi.Version:output_type -> wwapi.v1.VersionResponse
 	27, // [27:38] is the sub-list for method output_type
 	16, // [16:27] is the sub-list for method input_type
 	16, // [16:16] is the sub-list for extension type_name
@@ -1905,7 +2011,7 @@ func file_routes_proto_init() {
 			}
 		}
 		file_routes_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*NodeDeleteParameter); i {
+			switch v := v.(*NodeYaml); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1917,7 +2023,7 @@ func file_routes_proto_init() {
 			}
 		}
 		file_routes_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*NodeSetParameter); i {
+			switch v := v.(*NodeDeleteParameter); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1929,7 +2035,7 @@ func file_routes_proto_init() {
 			}
 		}
 		file_routes_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*NodeStatus); i {
+			switch v := v.(*NodeSetParameter); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1941,7 +2047,7 @@ func file_routes_proto_init() {
 			}
 		}
 		file_routes_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*NodeStatusResponse); i {
+			switch v := v.(*NodeStatus); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -1953,6 +2059,18 @@ func file_routes_proto_init() {
 			}
 		}
 		file_routes_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*NodeStatusResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_routes_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*VersionResponse); i {
 			case 0:
 				return &v.state
@@ -1964,6 +2082,18 @@ func file_routes_proto_init() {
 				return nil
 			}
 		}
+		file_routes_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CanWriteConfig); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -1971,7 +2101,7 @@ func file_routes_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_routes_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   27,
+			NumMessages:   29,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

internal/pkg/api/util/util.go

@@ -1,6 +1,11 @@
 package util
 
 import (
+	"syscall"
+
+	"github.com/hpcng/warewulf/internal/pkg/api/routes/wwapiv1"
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
 	"github.com/manifoldco/promptui"
 )
 
@@ -19,3 +24,18 @@ func ConfirmationPrompt(label string) (yes bool) {
 	}
 	return
 }
+
+/*
+Simple check if the config can be written in case wwctl isn't run as root
+*/
+func CanWriteConfig() (canwrite *wwapiv1.CanWriteConfig) {
+	canwrite = new(wwapiv1.CanWriteConfig)
+	err := syscall.Access(node.ConfigFile, syscall.O_RDWR)
+	if err != nil {
+		wwlog.Warn("Couldn't open %s:%s", node.ConfigFile, err)
+		canwrite.CanWriteConfig = false
+	} else {
+		canwrite.CanWriteConfig = true
+	}
+	return canwrite
+}

internal/pkg/node/datastructure.go

@@ -3,7 +3,9 @@ package node
 /******
  * YAML data representations
  ******/
-
+/*
+Structure of which goes to disk
+*/
 type NodeYaml struct {
 	WWInternal   int `yaml:"WW_INTERNAL"`
 	NodeProfiles map[string]*NodeConf
@@ -11,7 +13,7 @@ type NodeYaml struct {
 }
 
 /*
-NodeConf is the datastructure which is stored on disk.
+NodeConf is the datastructure describing a node and a profile which in disk format.
 */
 type NodeConf struct {
 	Comment       string `yaml:"comment,omitempty" lopt:"comment" comment:"Set arbitrary string comment"`
@@ -19,11 +21,11 @@ type NodeConf struct {
 	ContainerName string `yaml:"container name,omitempty" lopt:"container" sopt:"C" comment:"Set container name"`
 	Ipxe          string `yaml:"ipxe template,omitempty" lopt:"ipxe" comment:"Set the iPXE template name"`
 	// Deprecated start
-	// Kernel settings here are deprecated and here for backward comptability
+	// Kernel settings here are deprecated and here for backward compatibility
 	KernelVersion  string `yaml:"kernel version,omitempty"`
 	KernelOverride string `yaml:"kernel override,omitempty"`
 	KernelArgs     string `yaml:"kernel args,omitempty"`
-	// Ipmi settings herer are deprecated and here for backward comptability
+	// Ipmi settings herer are deprecated and here for backward compatibility
 	IpmiUserName  string `yaml:"ipmi username,omitempty"`
 	IpmiPassword  string `yaml:"ipmi password,omitempty"`
 	IpmiIpaddr    string `yaml:"ipmi ipaddr,omitempty"`

internal/pkg/node/methods.go

@@ -26,8 +26,7 @@ func FilterByName(set []NodeInfo, searchList []string) []NodeInfo {
 	if len(searchList) > 0 {
 		for _, search := range searchList {
 			for _, entry := range set {
-				b, _ := regexp.MatchString("^"+search+"$", entry.Id.Get())
+				if match, _ := regexp.MatchString("^"+search+"$", entry.Id.Get()); match {
-				if b {
 					unique[entry.Id.Get()] = entry
 				}
 			}
@@ -42,6 +41,24 @@ func FilterByName(set []NodeInfo, searchList []string) []NodeInfo {
 	return ret
 }
 
+/*
+Filter a given map of NodeConf against given regular expression.
+*/
+func FilterMapByName(inputMap map[string]*NodeConf, searchList []string) (retMap map[string]*NodeConf) {
+	retMap = map[string]*NodeConf{}
+	if len(searchList) > 0 {
+		for _, search := range searchList {
+			for name, nConf := range inputMap {
+				if match, _ := regexp.MatchString("^"+search+"$", name); match {
+					retMap[name] = nConf
+				}
+			}
+
+		}
+	}
+	return retMap
+}
+
 /**********
  *
  * Sets

internal/pkg/node/transformers.go

@@ -2,8 +2,10 @@ package node
 
 import (
 	"reflect"
+	"strings"
 
 	"github.com/hpcng/warewulf/internal/pkg/util"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
 	"github.com/spf13/cobra"
 )
 
@@ -186,6 +188,10 @@ func (nodeConf *NodeConf) getterFrom(nodeInfo NodeInfo,
 		}
 	}
 }
+
+/*
+Create cmd line flags from the NodeConf fields
+*/
 func (nodeConf *NodeConf) CreateFlags(baseCmd *cobra.Command, excludeList []string) {
 	nodeInfoType := reflect.TypeOf(nodeConf)
 	nodeInfoVal := reflect.ValueOf(nodeConf)
@@ -520,3 +526,145 @@ func (netDev *NetDevEntry) setterFrom(netYaml *NetDevs, nameArg string,
 		}
 	}
 }
+
+/*
+Create a string slice, where every element represents a yaml entry
+*/
+func (nodeConf *NodeConf) UnmarshalConf(excludeList []string) (lines []string) {
+	nodeInfoType := reflect.TypeOf(nodeConf)
+	nodeInfoVal := reflect.ValueOf(nodeConf)
+	// now iterate of every field
+	for i := 0; i < nodeInfoVal.Elem().NumField(); i++ {
+		if nodeInfoType.Elem().Field(i).Tag.Get("lopt") != "" {
+			if ymlStr, ok := getYamlString(nodeInfoType.Elem().Field(i), excludeList); ok {
+				lines = append(lines, ymlStr...)
+			}
+		} else if nodeInfoType.Elem().Field(i).Type.Kind() == reflect.Ptr {
+			nestType := reflect.TypeOf(nodeInfoVal.Elem().Field(i).Interface())
+			if ymlStr, ok := getYamlString(nodeInfoType.Elem().Field(i), excludeList); ok {
+				lines = append(lines, ymlStr...)
+			}
+			for j := 0; j < nestType.Elem().NumField(); j++ {
+				if nestType.Elem().Field(j).Tag.Get("lopt") != "" &&
+					!util.InSlice(excludeList, nestType.Elem().Field(j).Tag.Get("lopt")) {
+					if ymlStr, ok := getYamlString(nestType.Elem().Field(j), excludeList); ok {
+						for _, str := range ymlStr {
+							lines = append(lines, "  "+str)
+						}
+					}
+				}
+			}
+		} else if nodeInfoType.Elem().Field(i).Type == reflect.TypeOf(map[string]*NetDevs(nil)) {
+			netMap := nodeInfoVal.Elem().Field(i).Interface().(map[string]*NetDevs)
+			// add a default network so that it can hold values
+			key := "default"
+			if len(netMap) == 0 {
+				netMap[key] = new(NetDevs)
+			} else {
+				for keyIt := range netMap {
+					key = keyIt
+					break
+				}
+			}
+			if ymlStr, ok := getYamlString(nodeInfoType.Elem().Field(i), excludeList); ok {
+				lines = append(lines, ymlStr[0]+":", "  "+key+":")
+				netType := reflect.TypeOf(netMap[key])
+				for j := 0; j < netType.Elem().NumField(); j++ {
+					if ymlStr, ok := getYamlString(netType.Elem().Field(j), excludeList); ok {
+						for _, str := range ymlStr {
+							lines = append(lines, "  "+str)
+						}
+					}
+				} // lines
+			} // this
+		} //not
+	} //do
+	return lines
+}
+
+/*
+Get the string of the yaml tag
+*/
+func getYamlString(myType reflect.StructField, excludeList []string) ([]string, bool) {
+	ymlStr := myType.Tag.Get("yaml")
+	if len(strings.Split(ymlStr, ",")) > 1 {
+		ymlStr = strings.Split(ymlStr, ",")[0]
+	}
+	if util.InSlice(excludeList, ymlStr) {
+		return []string{""}, false
+	} else if myType.Tag.Get("lopt") == "" && myType.Type.Kind() == reflect.String {
+		return []string{""}, false
+	}
+	if myType.Type.Kind() == reflect.String {
+		ymlStr += ": string"
+		return []string{ymlStr}, true
+	} else if myType.Type == reflect.TypeOf([]string{}) {
+		return []string{ymlStr + ":", "  - string"}, true
+	} else if myType.Type == reflect.TypeOf(map[string]string{}) {
+		return []string{ymlStr + ":", "  key: value"}, true
+	} else if myType.Type.Kind() == reflect.Ptr {
+		return []string{ymlStr + ":"}, true
+	}
+	return []string{ymlStr}, true
+}
+
+/*
+Set the field of the NodeConf with the given lopt name, returns true if the
+field was found. String slices must be comma separated. Network must have the form
+net.$NETNAME.lopt or netname.$NETNAME.lopt
+*/
+func (nodeConf *NodeConf) SetLopt(lopt string, value string) (found bool) {
+	found = false
+	nodeInfoType := reflect.TypeOf(nodeConf)
+	nodeInfoVal := reflect.ValueOf(nodeConf)
+	// try to find the normal fields, networks come later
+	for i := 0; i < nodeInfoVal.Elem().NumField(); i++ {
+		//fmt.Println(nodeInfoType.Elem().Field(i).Tag.Get("lopt"), lopt)
+		if nodeInfoType.Elem().Field(i).Tag.Get("lopt") == lopt {
+			if nodeInfoType.Elem().Field(i).Type.Kind() == reflect.String {
+				wwlog.Verbose("Found lopt %s mapping to %s, setting to %s\n",
+					lopt, nodeInfoType.Elem().Field(i).Name, value)
+				confVal := nodeInfoVal.Elem().Field(i).Addr().Interface().(*string)
+				*confVal = value
+				found = true
+			} else if nodeInfoType.Elem().Field(i).Type == reflect.TypeOf([]string{}) {
+				wwlog.Verbose("Found lopt %s mapping to %s, setting to %s\n",
+					lopt, nodeInfoType.Elem().Field(i).Name, value)
+				confVal := nodeInfoVal.Elem().Field(i).Addr().Interface().(*[]string)
+				*confVal = strings.Split(value, ",")
+				found = true
+			}
+		}
+	}
+	// check network
+	loptSlice := strings.Split(lopt, ".")
+	wwlog.Debug("Trying to get network out of %s\n", loptSlice)
+	if !found && len(loptSlice) == 3 && (loptSlice[0] == "net" || loptSlice[0] == "network" || loptSlice[0] == "netname") {
+		if nodeConf.NetDevs == nil {
+			nodeConf.NetDevs = make(map[string]*NetDevs)
+		}
+		if nodeConf.NetDevs[loptSlice[1]] == nil {
+			nodeConf.NetDevs[loptSlice[1]] = new(NetDevs)
+		}
+		netInfoType := reflect.TypeOf(nodeConf.NetDevs[loptSlice[1]])
+		netInfoVal := reflect.ValueOf(nodeConf.NetDevs[loptSlice[1]])
+		for i := 0; i < netInfoVal.Elem().NumField(); i++ {
+			if netInfoType.Elem().Field(i).Tag.Get("lopt") == loptSlice[2] {
+				if netInfoType.Elem().Field(i).Type.Kind() == reflect.String {
+					wwlog.Verbose("Found lopt %s for network %s mapping to %s, setting to %s\n",
+						lopt, loptSlice[1], netInfoType.Elem().Field(i).Name, value)
+					confVal := netInfoVal.Elem().Field(i).Addr().Interface().(*string)
+					*confVal = value
+					found = true
+				} else if netInfoType.Elem().Field(i).Type == reflect.TypeOf([]string{}) {
+					wwlog.Verbose("Found lopt %s for network %s mapping to %s, setting to %s\n",
+						lopt, loptSlice[1], netInfoType.Elem().Field(i).Name, value)
+					confVal := netInfoVal.Elem().Field(i).Addr().Interface().(*[]string)
+					*confVal = strings.Split(value, ",")
+					found = true
+				}
+			}
+		}
+	}
+	return found
+}