[TASK] add nodelist

config_example.toml

@@ -67,6 +67,10 @@ enable = false
 template_path = "/var/lib/collector/html-template.tmp"
 output_path = "/var/www/html/index.html"
 
+[[nodes.output.nodelist]]
+enable   = true
+path = "/var/www/html/meshviewer/data/nodelist.json"
+
 
 [database]
 # cleaning data of measurement node,

output/meshviewer/nodes_v1.go

@@ -21,8 +21,7 @@ func BuildNodesV1(toFilter filter, nodes *runtime.Nodes) interface{} {
 		Timestamp: jsontime.Now(),
 	}
 
-	for nodeID := range nodes.List {
+	for nodeID, nodeOrigin := range nodes.List {
-		nodeOrigin := nodes.List[nodeID]
 		nodeFiltere := toFilter(nodeOrigin)
 		if nodeOrigin.Statistics == nil || nodeFiltere == nil {
 			continue

output/meshviewer/nodes_v2.go

@@ -20,8 +20,7 @@ func BuildNodesV2(toFilter filter, nodes *runtime.Nodes) interface{} {
 		Timestamp: jsontime.Now(),
 	}
 
-	for nodeID := range nodes.List {
+	for _, nodeOrigin := range nodes.List {
-		nodeOrigin := nodes.List[nodeID]
 		nodeFiltere := toFilter(nodeOrigin)
 		if nodeOrigin.Statistics == nil || nodeFiltere == nil {
 			continue

output/nodelist/nodelist.go

@@ -0,0 +1,64 @@
+package nodelist
+
+import (
+	"github.com/FreifunkBremen/yanic/jsontime"
+	"github.com/FreifunkBremen/yanic/runtime"
+)
+
+// NodeList rewritten after: https://github.com/ffnord/ffmap-backend/blob/c33ebf62f013e18bf71b5a38bd058847340db6b7/lib/nodelist.py
+type NodeList struct {
+	Version   string        `json:"version"`
+	Timestamp jsontime.Time `json:"updated_at"` // Timestamp of the generation
+	List      []*Node       `json:"nodes"`
+}
+
+type Node struct {
+	ID       string    `json:"id"`
+	Name     string    `json:"name"`
+	Position *Position `json:"position,omitempty"`
+	Status   struct {
+		Online      bool          `json:"online"`
+		LastContact jsontime.Time `json:"lastcontact"`
+		Clients     uint32        `json:"clients"`
+	} `json:"status"`
+}
+
+type Position struct {
+	Lat  float64 `json:"lat"`
+	Long float64 `json:"long"`
+}
+
+func NewNode(n *runtime.Node) *Node {
+	if nodeinfo := n.Nodeinfo; nodeinfo != nil {
+		node := &Node{
+			ID:   nodeinfo.NodeID,
+			Name: nodeinfo.Hostname,
+		}
+		if location := nodeinfo.Location; location != nil {
+			node.Position = &Position{Lat: location.Latitude, Long: location.Longtitude}
+		}
+
+		node.Status.Online = n.Online
+		node.Status.LastContact = n.Lastseen
+		if statistics := n.Statistics; statistics != nil {
+			node.Status.Clients = statistics.Clients.Total
+		}
+		return node
+	}
+	return nil
+}
+
+func transform(nodes *runtime.Nodes) *NodeList {
+	nodelist := &NodeList{
+		Version:   "1.0.1",
+		Timestamp: jsontime.Now(),
+	}
+
+	for _, nodeOrigin := range nodes.List {
+		node := NewNode(nodeOrigin)
+		if node != nil {
+			nodelist.List = append(nodelist.List, node)
+		}
+	}
+	return nodelist
+}

output/nodelist/nodelist_test.go

@@ -0,0 +1,60 @@
+package nodelist
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/FreifunkBremen/yanic/data"
+	"github.com/FreifunkBremen/yanic/runtime"
+)
+
+func TestTransform(t *testing.T) {
+	nodes := transform(createTestNodes())
+
+	assert := assert.New(t)
+	assert.Len(nodes.List, 3)
+}
+
+func createTestNodes() *runtime.Nodes {
+	nodes := runtime.NewNodes(&runtime.Config{})
+
+	nodeData := &data.ResponseData{
+		Statistics: &data.Statistics{
+			Clients: data.Clients{
+				Total: 23,
+			},
+		},
+		NodeInfo: &data.NodeInfo{
+			Hardware: data.Hardware{
+				Model: "TP-Link 841",
+			},
+		},
+	}
+	nodeData.NodeInfo.Software.Firmware.Release = "2016.1.6+entenhausen1"
+	nodes.Update("abcdef012345", nodeData)
+
+	nodes.Update("112233445566", &data.ResponseData{
+		Statistics: &data.Statistics{
+			Clients: data.Clients{
+				Total: 2,
+			},
+		},
+		NodeInfo: &data.NodeInfo{
+			Hardware: data.Hardware{
+				Model: "TP-Link 841",
+			},
+		},
+	})
+
+	nodes.Update("0xdeadbeef0x", &data.ResponseData{
+		NodeInfo: &data.NodeInfo{
+			VPN: true,
+			Hardware: data.Hardware{
+				Model: "Xeon Multi-Core",
+			},
+		},
+	})
+
+	return nodes
+}

output/nodelist/output.go

@@ -0,0 +1,51 @@
+package nodelist
+
+import (
+	goTemplate "text/template"
+
+	"github.com/FreifunkBremen/yanic/output"
+	"github.com/FreifunkBremen/yanic/runtime"
+)
+
+type Output struct {
+	output.Output
+	config   Config
+	nodes    *runtime.Nodes
+	template *goTemplate.Template
+}
+
+type Config map[string]interface{}
+
+func (c Config) Enable() bool {
+	return c["enable"].(bool)
+}
+
+func (c Config) Path() string {
+	return c["path"].(string)
+}
+
+func init() {
+	output.RegisterAdapter("nodelist", Register)
+}
+
+func Register(nodes *runtime.Nodes, configuration interface{}) (output.Output, error) {
+	var config Config
+	config = configuration.(map[string]interface{})
+	if !config.Enable() {
+		return nil, nil
+	}
+
+	return &Output{
+		config: config,
+		nodes:  nodes,
+	}, nil
+}
+
+func (o *Output) Save() {
+	o.nodes.RLock()
+	defer o.nodes.RUnlock()
+
+	if path := o.config.Path(); path != "" {
+		runtime.SaveJSON(transform(o.nodes), path)
+	}
+}