feat: add victoria metrics roles

- add vmstorage, vmselect and vminsert roles
- base roles, only adding packages
- preparation for standing up a vicmet cluster

site/roles/manifests/infra/metrics/vminsert.pp

@@ -0,0 +1,10 @@
+# a role to deploy victoria metrics vminsert
+class roles::infra::metrics::vminsert {
+  if $facts['firstrun'] {
+    include profiles::defaults
+    include profiles::firstrun::init
+  }else{
+    include profiles::defaults
+    include profiles::base
+  }
+}

site/roles/manifests/infra/metrics/vmselect.pp

@@ -0,0 +1,10 @@
+# a role to deploy victoria metrics vmselect
+class roles::infra::metrics::vmselect {
+  if $facts['firstrun'] {
+    include profiles::defaults
+    include profiles::firstrun::init
+  }else{
+    include profiles::defaults
+    include profiles::base
+  }
+}

site/roles/manifests/infra/metrics/vmstorage.pp

@@ -0,0 +1,11 @@
+# a role to deploy victoria metrics vmstorage
+class roles::infra::metrics::vmstorage {
+  if $facts['firstrun'] {
+    include profiles::defaults
+    include profiles::firstrun::init
+  }else{
+    include profiles::defaults
+    include profiles::base
+    include profiles::base::datavol
+  }
+}