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f-37: prometheus: add vms
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Browse source 
Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>
This commit is contained in:
GnomeZworc 2026-08-14 01:00:00 +02:00
commit 8d04472ec1
Signed by: nicolas.boufideline
GPG key ID: 4406BBBF8845D632
2 changed files with 36 additions and 3 deletions
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31
internal/prometheus/agent/collector_test.go
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@ -42,6 +42,8 @@ func collect(t *testing.T, c *AgentCollector) map[string]map[string]float64 {
name = "vpcs"
case strings.Contains(desc, "syonad_subnets_total"):
name = "subnets"
case strings.Contains(desc, "syonad_vms_total"):
name = "vms"
default:
t.Fatalf("métrique inattendue : %s", desc)
}
@ -64,6 +66,8 @@ func TestCollector_CountsByState(t *testing.T) {
"vpc/vpc-2": state.Running,
"vpc/vpc-3": state.Error,
"subnet/sn-1": state.Creating,
"vm/vm-1": state.Running,
"vm/vm-2": state.Error,
} {
if err := state.Set(db, resource, s); err != nil {
t.Fatalf("préparation du test : %v", err)
@ -80,13 +84,34 @@ func TestCollector_CountsByState(t *testing.T) {
if got["subnets"]["creating"] != 1 {
t.Errorf("subnets{state=creating} = %v, attendu 1", got["subnets"]["creating"])
}
for s, want := range map[string]float64{"running": 1, "error": 1, "deleting": 0} {
if got["vms"][s] != want {
t.Errorf("vms{state=%q} = %v, attendu %v", s, got["vms"][s], want)
}
}
}
// Les clés vm/<name>/disk/<dev> ne portent pas de suffixe /state : elles ne
// doivent pas être comptées comme des ressources.
func TestCollector_IgnoresVMDiskKeys(t *testing.T) {
db := newTestDB(t)
if err := state.Set(db, "vm/vm-1", state.Running); err != nil {
t.Fatalf("préparation du test : %v", err)
}
kv.AddInDB(db, "vm/vm-1/disk/sda", "/data/sda.qcow2")
kv.AddInDB(db, "vm/vm-1/disk/vda", "/data/vda.qcow2")
got := collect(t, NewAgentCollector(db))
if got["vms"]["running"] != 1 {
t.Errorf("vms{state=running} = %v, attendu 1", got["vms"]["running"])
}
}
// Une série par état doit être émise même à zéro : une métrique qui disparaît
// côté Prometheus casse les alertes qui s'en servent.
func TestCollector_EmitsEveryState(t *testing.T) {
got := collect(t, NewAgentCollector(newTestDB(t)))
for _, family := range []string{"vpcs", "subnets"} {
for _, family := range []string{"vpcs", "subnets", "vms"} {
if len(got[family]) != len(state.All()) {
t.Errorf("%s : %d séries, attendu %d", family, len(got[family]), len(state.All()))
}
@ -120,7 +145,7 @@ func TestCollector_Describe(t *testing.T) {
for range ch {
n++
}
if n != 2 {
t.Errorf("%d descripteurs, attendu 2", n)
if n != 3 {
t.Errorf("%d descripteurs, attendu 3", n)
}
}