[management] network map from nmap data type (#6919)

Signed-off-by: Dmitri Dolguikh <dmitri.external@netbird.io>
Co-authored-by: Dmitri Dolguikh <dmitri.external@netbird.io>

shared/management/networkmap/nmdata/posture.go

@@ -0,0 +1,67 @@
+package nmdata
+
+const (
+	checkActionAllow = "allow"
+	checkActionDeny  = "deny"
+)
+
+// PostureChecks is the slim twin of posture.Checks.
+type PostureChecks struct {
+	ID     string
+	Checks ChecksDefinition
+}
+
+// ChecksDefinition is the slim twin of posture.ChecksDefinition.
+type ChecksDefinition struct {
+	NBVersionCheck        *NBVersionCheck
+	OSVersionCheck        *OSVersionCheck
+	GeoLocationCheck      *GeoLocationCheck
+	PeerNetworkRangeCheck *PeerNetworkRangeCheck
+	ProcessCheck          *ProcessCheck
+}
+
+// Check is the slim twin of posture.Check. It is sealed: only the check types
+// in this package implement it.
+type Check interface {
+	check(peer *Peer) (bool, error)
+}
+
+// Passes reports whether the peer satisfies every check in this bundle. It
+// mirrors the server posture path: a check returning (false, _) — including on
+// an evaluation error — fails the bundle.
+func (pc *PostureChecks) Passes(peer *Peer) bool {
+	return PassesChecks(pc.GetChecks(), peer)
+}
+
+// PassesChecks is Passes over an already built check set, for callers that
+// evaluate many peers against the same bundle.
+func PassesChecks(checks []Check, peer *Peer) bool {
+	for _, c := range checks {
+		valid, _ := c.check(peer)
+		if !valid {
+			return false
+		}
+	}
+	return true
+}
+
+// GetChecks returns the initialized checks in the same order as posture.Checks.GetChecks.
+func (pc *PostureChecks) GetChecks() []Check {
+	var checks []Check
+	if pc.Checks.NBVersionCheck != nil {
+		checks = append(checks, pc.Checks.NBVersionCheck)
+	}
+	if pc.Checks.OSVersionCheck != nil {
+		checks = append(checks, pc.Checks.OSVersionCheck)
+	}
+	if pc.Checks.GeoLocationCheck != nil {
+		checks = append(checks, pc.Checks.GeoLocationCheck)
+	}
+	if pc.Checks.PeerNetworkRangeCheck != nil {
+		checks = append(checks, pc.Checks.PeerNetworkRangeCheck)
+	}
+	if pc.Checks.ProcessCheck != nil {
+		checks = append(checks, pc.Checks.ProcessCheck)
+	}
+	return checks
+}