Deploy broken on many substrates: df: `/var/lib/juju/db

[Curtis Hovey]

Commit 8c64d63e "Merge pull request #424 from howbazaar/fix-juju-db-upstart-rewrites" broke deploy on many substrates. Here are some of the tests broken
    http://juju-ci.vapour.ws:8080/job/aws-deploy-precise-amd64/1498/console
    http://juju-ci.vapour.ws:8080/job/canonistack-deploy-precise-amd64-devel/1711/console
    http://juju-ci.vapour.ws:8080/job/joyent-deploy-precise-amd64/515/console
    http://juju-ci.vapour.ws:8080/job/hp-deploy-trusty-amd64/1472/console

2014-07-31 00:00:28 DEBUG juju.cmd.jujud bootstrap.go:191 starting mongo
2014-07-31 00:00:28 DEBUG juju.cmd.jujud bootstrap.go:216 calling ensureMongoServer
2014-07-31 00:00:28 INFO juju.mongo mongo.go:172 Ensuring mongo server is running; data directory /var/lib/juju; port 37017
2014-07-31 00:00:28 ERROR juju.cmd supercommand.go:323 df failed: exit status 1 ("df: ‘/var/lib/juju/db’: No such file or directory\n")
2014-07-31 00:00:28 ERROR juju.provider.common bootstrap.go:120 bootstrap failed: subprocess encountered error code 1
Stopping instance...

[Curtis Hovey (sinzui)]

None of the lxc deploy tests were affected by this.

[Andrew Wilkins (axwalk)]

Now broken in a slightly different way. Filed lp:1350700