[fuel] Add net_map.j2 for net config abstraction

This will be leveraged by other j2 templates in Fuel to construct
scenario-specific network config files.

Change-Id: Iba1fd99b23936fe42abe16af3cd80dce2a63d997
Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/config/installers/fuel/net_map.j2 b/config/installers/fuel/net_map.j2
new file mode 100644 (file)
index 0000000..c3ff6cb
--- /dev/null
+++ b/config/installers/fuel/net_map.j2
@@ -0,0 +1,47 @@
+##############################################################################
+# Copyright (c) 2018 Mirantis Inc., Enea AB and others.
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+{#- NOTE: All same role (e.g. compute) roles will share the same mapping #}
+
+{#- Until we support per-node configuration, we only collect data for the
+    first node in each role. Currently, there's no role mapping in PDF/IDF,
+    so we default to controller = first node in PDF, compute = 4th #}
+
+{#- ctl maps to MCP kvm on baremetal, ctl + gtw etc. on virtual #}
+{%- set ctl01 = {'idx': 0} %}
+{%- set cmp001 = {'idx': 3} %}
+
+{#- net_config v1.0 only supports global network-to-interface-index mapping,
+    which is incovenient for PODs with different computes (e.g. less NICs).
+    This can be worked around by tweaking the NIC definition order in PDF.
+    The same observation applies to vlan tags, at least for now. #}
+
+{#- Determine interface index for each network (plumbing vars) #}
+{%- set idx_mcp = 0 %} {#- mcpcontrol network is hard set on first interface #}
+{%- set idx_admin = conf.idf.net_config.admin.interface %}
+{%- set idx_mgmt = conf.idf.net_config.mgmt.interface %}
+{%- set idx_private = conf.idf.net_config.private.interface %}
+{%- set idx_public = conf.idf.net_config.public.interface %}
+
+{#- VLAN for each network (only untagged 'admin' is supported by MaaS config!) #}
+{%- set vlan_admin = conf.idf.net_config.admin.vlan %}
+{%- set vlan_mgmt = conf.idf.net_config.mgmt.vlan %}
+{%- set vlan_private = conf.idf.net_config.private.vlan %}
+{%- set vlan_public = conf.idf.net_config.public.vlan %}
+
+{#- Physical interface OS name for each network (e.g. em1, enp1s0f1) #}
+{%- for role in [ctl01, cmp001] %}
+    {%- set node = conf.idf.fuel.network.node[role.idx] %}
+    {%- set _ = role.update({
+        'nic_mcp': node.interfaces[idx_mcp],
+        'nic_admin': node.interfaces[idx_admin],
+        'nic_mgmt': node.interfaces[idx_mgmt],
+        'nic_private': node.interfaces[idx_private],
+        'nic_public': node.interfaces[idx_public],
+        'bus_private': node.busaddr[idx_private]}) %}
+    {#- PCI addresses are only used on computes for DPDK on private net #}
+{%- endfor %}