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[Bug 1681531] Re: DigitalOcean DS defines mutliple gateways via meta-data

 

This bug is believed to be fixed in cloud-init in 17.1. If this is still
a problem for you, please make a comment and set the state back to New

Thank you.

** Changed in: cloud-init
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1681531

Title:
  DigitalOcean DS defines mutliple gateways via meta-data

Status in cloud-init:
  Fix Released
Status in cloud-init package in Ubuntu:
  Fix Released
Status in cloud-init source package in Xenial:
  Fix Released
Status in cloud-init source package in Yakkety:
  Fix Released
Status in cloud-init source package in Zesty:
  Fix Released

Bug description:
  [Impact]
  The cloud-init datasource for DigitalOcean allows for multiple gateways on any NIC.

  On Ubuntu 16.04, this breaks networking.service. For 17.04 and later,
  Ubuntu _replaces_ the default gateway with the second gateway on
  'ifup' after reboot.

  DigitalOcean is looking at changing the meta-data, however, this will
  result in another version of the meta-data JSON.

  [Regression Potential]

  Low. This change is scope to DigitalOcean only. DigitalOcean has
  tested this Datasource exhaustively.

  [TEST Cases]
  - provision on DigitalOcean with a private IP
  - reboot
  - confirm that a single route exists in /etc/network/interfaces

  [LOGS]

  ----------------------------------------------------------------------------------------------
  From /var/log/cloud-init.log:

  2017-04-10 17:36:11,608 - util.py[DEBUG]: Running command ['ip', 'link', 'set', 'ens3', 'down'] with allowed return codes [0] (shell=False, capture=True)
  2017-04-10 17:36:11,615 - util.py[DEBUG]: Running command ['ip', 'link', 'set', 'ens3', 'name', 'eth0'] with allowed return codes [0] (shell=False, capture=True)
  2017-04-10 17:36:11,635 - util.py[DEBUG]: Running command ['ip', 'link', 'set', 'ens4', 'name', 'eth1'] with allowed return codes [0] (shell=False, capture=True)
  2017-04-10 17:36:11,651 - util.py[DEBUG]: Running command ['ip', 'link', 'set', 'eth0', 'up'] with allowed return codes [0] (shell=False, capture=True)
  2017-04-10 17:36:11,654 - stages.py[INFO]: Applying network configuration from ds bringup=False: {'version': 1, 'config': [{'name': 'eth0', 'subnets': [{'address': '138.197.88.85', 'netmask': '255.255.240.0', 'gateway': '138.197.80.1', 'type': 'static', 'control': 'auto'}, {'address': '2604:A880:0800:0010:0000:0000:2ECE:D001/64', 'gateway': '2604:A880:0800:0010:0000:0000:0000:0001', 'type': 'static', 'control': 'auto'}, {'address': '10.17.0.10', 'netmask': '255.255.0.0', 'type': 'static', 'control': 'auto'}], 'mac_address': 'ee:90:f2:c6:dc:db', 'type': 'physical'}, {'name': 'eth1', 'subnets': [{'address': '10.132.92.131', 'netmask': '255.255.0.0', 'gateway': '10.132.0.1', 'type': 'static', 'control': 'auto'}], 'mac_address': '1a:b6:7c:24:5e:cd', 'type': 'physical'}, {'address': ['2001:4860:4860::8844', '2001:4860:4860::8888', '8.8.8.8'], 'type': 'nameserver'}]}
  2017-04-10 17:36:11,668 - util.py[DEBUG]: Writing to /etc/network/interfaces.d/50-cloud-init.cfg - wb: [420] 868 bytes
  2017-04-10 17:36:11,669 - main.py[DEBUG]: [local] Exiting. datasource DataSourceDigitalOcean not in local mode.
  2017-04-10 17:36:11,674 - util.py[DEBUG]: Reading from /proc/uptime (quiet=False)

  ----------------------------------------------------------------------------------------------
  From 'dmesg':
  Apr 10 17:36:11 ubuntu systemd[1]: Started Initial cloud-init job (pre-networking).
  Apr 10 17:36:12 ubuntu systemd[1]: Started LSB: AppArmor initialization.
  Apr 10 17:36:12 ubuntu systemd[1]: Reached target Network (Pre).
  Apr 10 17:36:12 ubuntu systemd[1]: Starting Raise network interfaces...
  Apr 10 17:36:13 ubuntu ifup[1099]: Waiting for DAD... Done
  Apr 10 17:36:13 ubuntu ifup[1099]: RTNETLINK answers: File exists
  Apr 10 17:36:13 ubuntu ifup[1099]: Failed to bring up eth1.

  ----------------------------------------------------------------------------------------------
  $ sudo journalctl -xe -u networking
  Apr 10 17:36:12 ubuntu systemd[1]: Starting Raise network interfaces...
  -- Subject: Unit networking.service has begun start-up
  -- Defined-By: systemd
  -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
  --
  -- Unit networking.service has begun starting up.
  Apr 10 17:36:13 ubuntu ifup[1099]: Waiting for DAD... Done
  Apr 10 17:36:13 ubuntu ifup[1099]: RTNETLINK answers: File exists
  Apr 10 17:36:13 ubuntu ifup[1099]: Failed to bring up eth1.
  Apr 10 17:36:13 ubuntu systemd[1]: networking.service: Main process exited, code=exited, status=1/FAILURE
  Apr 10 17:36:13 ubuntu systemd[1]: Failed to start Raise network interfaces.
  -- Subject: Unit networking.service has failed
  -- Defined-By: systemd
  -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
  --
  -- Unit networking.service has failed.
  --

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