Buster migration

added 55 commits

• 30482275...304d402c - 39 commits from branch master
• 766c199b - [lille] update chetemi cluster yaml files
• 4e27f0ac - [grenoble] update dahu cluster yaml files
• 315c78fc - [lille] update chiclet cluster yaml files
• 428bad64 - [lille] update chifflet cluster yaml files
• d2f51b7d - [lille] update chifflot cluster yaml files
• f36deadc - [lyon] update nova cluster yaml files
• 7765ae87 - [nancy] update graffity cluster yaml files
• 3f3878bd - [nancy] update graphite cluster yaml files
• 60827e6b - [nancy] update grele cluster yaml files
• 721ec216 - [nancy] update grimani cluster yaml files
• 0e57803e - [nancy] update grvingt cluster yaml files
• eeabc588 - [nantes] update ecotype cluster yaml files
• d55b5049 - [rennes] update parasilo cluster yaml files
• 862c205f - [rennes] update paravance cluster yaml files
• cb6560f6 - [rennes] update yeti cluster files
• d636b041 - [nantes] update econome cluster files

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added 1 commit

• d5920017 - generate refapi for buster migration

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merged

mentioned in commit 83979e3f