FWIW, I've run into what I believe to be this bug with MAAS 2.4 and Bionic, minus the juju aspect -- I'm unable to deploy when nodes must rely on a proxy for PPA access. It works without PPAs or when I enable NAT so that the nodes can retrieve the GPG keys without using a proxy.
** Tags added: hwcert-server -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to software-properties in Ubuntu. https://bugs.launchpad.net/bugs/1089389 Title: juju bootstrap fail behind a proxy when a gpg key must be imported Status in software-properties package in Ubuntu: Triaged Bug description: This is related to a Maas environment hosted behind a proxy. I'm trying to use juju 0.6.0.1+bzr603-0juju1~precise1 ubuntu@maas:~$ cat .juju/environments.yaml environments: mymaas: type: maas maas-server: 'http://192.168.124.2:80/MAAS' maas-oauth: 'UP5Qay8Nsku8K98fqn:LjhnStY2HjfCeKfvmg:BxA586DWVNPKrT9ASNj9QasMvSPdgavt' admin-secret: 'nothing' default-series: precise juju-origin: ppa When juju boostrap, things do not behave as expected on the zookeeper node. Excerpt from the cloud-init-output.log: W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 376A290EC8068B11 On the zookeeper node, if i try to apt-add-repository , the needed gpg key is not injected, but the scrpit does not return any error code: ubuntu@zookeeper:/var/log$ sudo mv /etc/apt/sources.list.d/juju-pkgs-precise.list /tmp/ ubuntu@zookeeper:/var/log$ sudo ls /etc/apt/sources.list.d/ ubuntu@zookeeper:/var/log$ sudo apt-add-repository ppa:juju/pkgs --yes gpg: keyring `/tmp/tmpmlP7VA/secring.gpg' created gpg: keyring `/tmp/tmpmlP7VA/pubring.gpg' created gpg: requesting key C8068B11 from hkp server keyserver.ubuntu.com gpgkeys: key A2EB2DEC0BD7519B7B38BE38376A290EC8068B11 not found on keyserver gpg: no valid OpenPGP data found. gpg: Total number processed: 0 recv failed ubuntu@zookeeper:/var/log$ echo $? 0 Trying to inject key while setting the http_proxy environment variable works better: ubuntu@zookeeper:/var/log$ sudo http_proxy=http://91.189.90.174:3128/ apt-add-repository ppa:juju/pkgs --yes gpg: keyring `/tmp/tmp1pAd6X/secring.gpg' created gpg: keyring `/tmp/tmp1pAd6X/pubring.gpg' created gpg: requesting key C8068B11 from hkp server keyserver.ubuntu.com gpg: /tmp/tmp1pAd6X/trustdb.gpg: trustdb created gpg: key C8068B11: public key "Launchpad Ensemble PPA" imported gpg: Total number processed: 1 gpg: imported: 1 (RSA: 1) OK ubuntu@zookeeper:/var/log$ echo $? 0 On the zookeeper node, python-software-properties is version 0.82.7.3 ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: python-software-properties 0.82.7.3 ProcVersionSignature: Ubuntu 3.2.0-34.53-generic 3.2.33 Uname: Linux 3.2.0-34-generic x86_64 ApportVersion: 2.0.1-0ubuntu15 Architecture: amd64 Date: Wed Dec 12 14:40:21 2012 EcryptfsInUse: Yes InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) MarkForUpload: True PackageArchitecture: all SourcePackage: software-properties UpgradeStatus: Upgraded to precise on 2012-05-14 (212 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1089389/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp