When running 'apt-get update' (e.g. on a container install post-install script), apt-get return with exit code 0, even so it wasn't able to "update" properly. E.g.:
+ apt-get update Err:1 http://de.archive.ubuntu.com/ubuntu xenial InRelease Temporary failure resolving 'de.archive.ubuntu.com' Err:2 http://security.ubuntu.com/ubuntu xenial-security InRelease Temporary failure resolving 'security.ubuntu.com' Err:3 http://de.archive.ubuntu.com/ubuntu xenial-updates InRelease Temporary failure resolving 'de.archive.ubuntu.com' Reading package lists... Done W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/xenial/InRelease Temporary failure resolving 'de.archive.ubuntu.com' W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/xenial-updates/InRelease Temporary failure resolving 'de.archive.ubuntu.com' W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/xenial-security/InRelease Temporary failure resolving 'security.ubuntu.com' W: Some index files failed to download. They have been ignored, or old ones used instead.
It should be corrected to return useful exit code, so that scripts can take the appropriate actions ...
When running 'apt-get update' (e.g. on a container install post-install script), apt-get return with exit code 0, even so it wasn't able to "update" properly. E.g.:
+ apt-get update de.archive. ubuntu. com/ubuntu xenial InRelease ubuntu. com' security. ubuntu. com/ubuntu xenial-security InRelease ubuntu. com' de.archive. ubuntu. com/ubuntu xenial-updates InRelease ubuntu. com' de.archive. ubuntu. com/ubuntu/ dists/xenial/ InRelease Temporary failure resolving 'de.archive. ubuntu. com' de.archive. ubuntu. com/ubuntu/ dists/xenial- updates/ InRelease Temporary failure resolving 'de.archive. ubuntu. com' security. ubuntu. com/ubuntu/ dists/xenial- security/ InRelease Temporary failure resolving 'security. ubuntu. com'
Err:1 http://
Temporary failure resolving 'de.archive.
Err:2 http://
Temporary failure resolving 'security.
Err:3 http://
Temporary failure resolving 'de.archive.
Reading package lists... Done
W: Failed to fetch http://
W: Failed to fetch http://
W: Failed to fetch http://
W: Some index files failed to download. They have been ignored, or old ones used instead.
It should be corrected to return useful exit code, so that scripts can take the appropriate actions ...