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f-50: lab: rôles des nœuds, adresses du lien, loopback et installation de FRR #50

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Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>
This commit is contained in:
GnomeZworc 2026-10-04 17:17:02 +02:00
commit 8d1691ae94
Signed by: nicolas.boufideline
GPG key ID: 4406BBBF8845D632
21 changed files with 962 additions and 58 deletions
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52
internal/lab/topology/validate.go
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@ -17,6 +17,7 @@ const (
MinPrefix = 8
ReservedInterface = "mgmt0"
LoopbackInterface = "lo1"
)
var (
@ -68,6 +69,9 @@ func (t *Topology) Validate() error {
if s.Name == ReservedInterface {
add("segment %s: name is reserved for the administration interface", s.Name)
}
if s.Name == LoopbackInterface {
add("segment %s: name is reserved for the loopback interface", s.Name)
}
sw, ok := nodes[s.Switch]
switch {
case s.Switch == "":
@ -116,6 +120,7 @@ func (t *Topology) Validate() error {
if n.Memory < MinMemory {
add("node %s: memory must be at least %d MiB", n.Name, MinMemory)
}
validateExtras(n, segments, add)
if n.Role == RoleSwitch {
if len(n.Segments) > 0 || len(n.Addresses) > 0 {
add("node %s: a switch carries its segments through segments.<name>.switch, not through segments or addresses", n.Name)
@ -165,6 +170,53 @@ func (t *Topology) Validate() error {
return nil
}
func validateExtras(n Node, segments map[string]Segment, add func(string, ...any)) {
carried := map[string]bool{}
if n.Role == RoleSwitch {
for name, s := range segments {
if s.Switch == n.Name {
carried[name] = true
}
}
} else {
for _, name := range n.Segments {
carried[name] = true
}
}
names := make([]string, 0, len(n.Secondary))
for name := range n.Secondary {
names = append(names, name)
}
sort.Strings(names)
for _, name := range names {
if !carried[name] {
add("node %s: secondary address given for segment %s it is not attached to", n.Name, name)
continue
}
network, _ := netip.ParsePrefix(segments[name].CIDR)
for _, raw := range n.Secondary[name] {
prefix, err := netip.ParsePrefix(raw)
switch {
case err != nil:
add("node %s: secondary address %q on %s: %v", n.Name, raw, name, err)
case !prefix.Addr().Is4():
add("node %s: secondary address %s on %s is not IPv4", n.Name, raw, name)
case network.IsValid() && network.Contains(prefix.Addr()):
add("node %s: secondary address %s is inside segment %s (%s), use addresses instead", n.Name, raw, name, network)
}
}
}
if n.Loopback != "" {
prefix, err := netip.ParsePrefix(n.Loopback)
switch {
case err != nil:
add("node %s: loopback %q: %v", n.Name, n.Loopback, err)
case !prefix.Addr().Is4():
add("node %s: loopback %s is not IPv4", n.Name, n.Loopback)
}
}
}
func sortedKeys(m map[string]string) []string {
keys := make([]string, 0, len(m))
for k := range m {