Snap Layer

Perhaps this layer should do nothing at all if install_method is set to apt

Bug #1828055 reported by Tilman Baumann
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This bug affects 1 person
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Snap Layer
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Bug Description

Some/A lot of charms allow selecting different install methods. Either snap or apt.

Perhaps this snap should do nothing at all when the config value `install_method` exists and is set to apt.
It seems unnecessary to install snapd at module load time if it's not going to be used.

Revision history for this message
Tilman Baumann (tilmanbaumann) wrote :

How about

install_method = hookenv.config()['install_method']
if not hasattr(reactive, '_snap_registered') and not install_method == 'apt':
    hookenv.atstart(hookenv.log, 'Initializing Snap Layer')
    hookenv.atstart(ensure_snapd)
    hookenv.atstart(ensure_path)
    hookenv.atstart(update_snap_proxy)
    hookenv.atstart(configure_snap_enterprise_proxy)
    hookenv.atstart(install)
    reactive._snap_registered = True

This layer is a total pain on trusty and especially in trusty containers.
What's worst about is, it fails even though it will not even be used by the charm.

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