Bug#1072380: cloud.debian.org: Azure deployment misconfigures /etc/hosts resulting in slow sudo

[Noah Meyerhans]

On Thu, Jun 06, 2024 at 02:29:15PM -0700, Noah Meyerhans wrote:
> Updated testing checklist:
> 
> [*] Fresh install of libnss-myhostname (nsswitch.conf lists the modules                                               
>     in the expected order)                                                                                            
> [*] Upgrade of libnss-myhostname (this does not attempt to rewrite                                                    
>     nsswitch.conf, which is the same as upgrading to the fixed version                                                
>     in trixie)                                                                                                        
> [*] Validate that the name resolution behavior is correct with the new                                                
>     nss module ordering; that is attempts to resolve the local hostname,                                              
>     localhost.localdomain, _gateway, and _outbound are handled by                                                     
>     nss-myhostname and don't result in a DNS lookup                                                                   
> [*] Validate that libnss-mymachines resolves local container names
>     without a DNS query
> [*] Validate that resolution of external names is unimpacted                                                          
> [*] validate that a cloud image build based on the updated packages                                                   
>     lists the nss modules in the desired order, with myhostname ahead                                                 
>     of dns                                                                                                            

I've now completed the last bit of testing, which was to generate a
cloud image based on the proposed update and validate that the
nsswitch.conf contents match the expectations.

Release team signoff is still pending in #1072716

noah