[all_sites] Update metrics with SNMP templates

data/grid5000/sites/grenoble/clusters/dahu/dahu.json

data/grid5000/sites/grenoble/clusters/troll/troll.json

data/grid5000/sites/grenoble/clusters/yeti/yeti.json

data/grid5000/sites/grenoble/network_equipments/gw.json

data/grid5000/sites/lille/clusters/chetemi/chetemi.json

data/grid5000/sites/lille/clusters/chiclet/chiclet.json

data/grid5000/sites/lille/clusters/chifflet/chifflet.json

data/grid5000/sites/lille/clusters/chifflot/chifflot.json

...grid5000/sites/lille/network_equipments/sw-chiclet-1.json

...grid5000/sites/lille/network_equipments/sw-chiclet-2.json

...grid5000/sites/lille/network_equipments/sw-chiclet-3.json

...00/sites/luxembourg/clusters/petitprince/petitprince.json

data/grid5000/sites/luxembourg/network_equipments/gw.json

data/grid5000/sites/luxembourg/network_equipments/mxl1.json

data/grid5000/sites/luxembourg/network_equipments/mxl2.json

...sites/luxembourg/network_equipments/ul-grid5000-sw02.json

data/grid5000/sites/lyon/clusters/nova/nova.json

data/grid5000/sites/lyon/clusters/orion/orion.json

data/grid5000/sites/lyon/clusters/taurus/taurus.json

data/grid5000/sites/lyon/network_equipments/force10.json