** Description changed: I'm following the instructions to send cloud-config and repartition the ephemeral disk in Azure: https://wiki.ubuntu.com/AzureSwapPartitions. These instructions fail on Ubuntu 14.04 and 16.04 (did not test 12.04 yet). Repro: 1) Add the following content to a file such as customdata.txt: - #cloud-config - disk_setup: - ephemeral0: - table_type: mbr - layout: [66, [33, 82]] - overwrite: True - fs_setup: - - device: ephemeral0.1 - filesystem: ext4 - - device: ephemeral0.2 - filesystem: swap - mounts: - - ["ephemeral0.1", "/mnt2"] - - ["ephemeral0.2", "none", "swap", "sw", "0", "0"] + #cloud-config + disk_setup: + ephemeral0: + table_type: mbr + layout: [66, [33, 82]] + overwrite: True + fs_setup: + - device: ephemeral0.1 + filesystem: ext4 + - device: ephemeral0.2 + filesystem: swap + mounts: + - ["ephemeral0.1", "/mnt2"] + - ["ephemeral0.2", "none", "swap", "sw", "0", "0"] 2) Create a VM in Azure with this cloud-config: - $ azure group create ubtest 'east us' + $ azure group create ubtest 'east us' - $ azure vm create ubtest ubtest-1604 Linux --image-urn + $ azure vm create ubtest ubtest-1604 Linux --image-urn canonical:UbuntuServer:16.04.0-LTS:latest --admin-username azureuser --admin-password '<PASSWORD>' --nic-name ubtest-1604 --location "East US" --vnet-name "ubtest" --vnet-address-prefix "10.0.0.0/24" --vnet- subnet-name "ubtest" --vnet-subnet-address-prefix "10.0.0.0/24" --public-ip-name "ubtest" --public-ip-domain-name "ubtest" --custom-data ./customdata.txt - Expected Result: - - /dev/disk/cloud/azure_resource should have two partitions; one ext4 and a second swap - - /dev/disk/cloud/azure_resource-part1 should be mounted on /mnt2 - - /dev/disk/cloud/azure_resource-part2 should be active swap space - - /etc/fstab should be configured correctly - + - /dev/disk/cloud/azure_resource should have two partitions; one ext4 and a second swap + - /dev/disk/cloud/azure_resource-part1 should be mounted on /mnt2 + - /dev/disk/cloud/azure_resource-part2 should be active swap space + - /etc/fstab should be configured correctly Actual Results: - - /dev/disk/cloud/azure_resource-part1 is properly mounted on /mnt2. - - On Ubuntu 14.04, /dev/disk/cloud/azure_resource is re-partitioned as expected. - - On Ubuntu 16.04, /dev/disk/cloud/azure_resource is *not* re-partitioned. There is only a single partition (no swap space). - - On Ubuntu 14.04 and 16.04, /etc/fstab includes an incorrect entry for the swap space: + - /dev/disk/cloud/azure_resource-part1 is properly mounted on /mnt2. + - On Ubuntu 14.04, /dev/disk/cloud/azure_resource is re-partitioned as expected. + - On Ubuntu 16.04, /dev/disk/cloud/azure_resource is *not* re-partitioned. There is only a single partition (no swap space). + - On Ubuntu 14.04 and 16.04, /etc/fstab includes an incorrect entry for the swap space: - ephemeral0.2 none swap sw,comment=cloudconfig 0 0 + ephemeral0.2 none swap sw,comment=cloudconfig 0 0 This clearly won't work, it should resolve to "/dev/disk/cloud /azure_resource-part2". I do notice that on Ubuntu 14.04, the ephemeral disk is re-partitioned correctly, but there is no symlink in /dev/disk/azure/ to the second partition. These symlinks are created by /lib/udev/rules.d/66-azure-ephemeral.rules. Perhaps cloud-init needs to re-trigger this udev rule after repartitioning the disk. + FYI, I also tested with the latest cloud-init that is currently in + xenial-proposed (0.7.8-47-gb6561a1-0ubuntu1~16.04.1) with the same + results. - FYI, I also tested with the latest cloud-init that is currently in xenial-proposed (0.7.8-47-gb6561a1-0ubuntu1~16.04.1) with the same results. + Related bugs: + * bug 1460715: MBR disk setup fails because sfdisk no longer accepts M as a valid unit + * bug 1642383: Unable to configure swap space on ephemeral disk in Azure
** Description changed: I'm following the instructions to send cloud-config and repartition the ephemeral disk in Azure: https://wiki.ubuntu.com/AzureSwapPartitions. These instructions fail on Ubuntu 14.04 and 16.04 (did not test 12.04 yet). Repro: 1) Add the following content to a file such as customdata.txt: #cloud-config disk_setup: ephemeral0: table_type: mbr layout: [66, [33, 82]] overwrite: True fs_setup: - device: ephemeral0.1 filesystem: ext4 - device: ephemeral0.2 filesystem: swap mounts: - ["ephemeral0.1", "/mnt2"] - ["ephemeral0.2", "none", "swap", "sw", "0", "0"] 2) Create a VM in Azure with this cloud-config: $ azure group create ubtest 'east us' $ azure vm create ubtest ubtest-1604 Linux --image-urn canonical:UbuntuServer:16.04.0-LTS:latest --admin-username azureuser --admin-password '<PASSWORD>' --nic-name ubtest-1604 --location "East US" --vnet-name "ubtest" --vnet-address-prefix "10.0.0.0/24" --vnet- subnet-name "ubtest" --vnet-subnet-address-prefix "10.0.0.0/24" --public-ip-name "ubtest" --public-ip-domain-name "ubtest" --custom-data ./customdata.txt Expected Result: - /dev/disk/cloud/azure_resource should have two partitions; one ext4 and a second swap - /dev/disk/cloud/azure_resource-part1 should be mounted on /mnt2 - /dev/disk/cloud/azure_resource-part2 should be active swap space - /etc/fstab should be configured correctly Actual Results: - /dev/disk/cloud/azure_resource-part1 is properly mounted on /mnt2. - On Ubuntu 14.04, /dev/disk/cloud/azure_resource is re-partitioned as expected. - On Ubuntu 16.04, /dev/disk/cloud/azure_resource is *not* re-partitioned. There is only a single partition (no swap space). - On Ubuntu 14.04 and 16.04, /etc/fstab includes an incorrect entry for the swap space: ephemeral0.2 none swap sw,comment=cloudconfig 0 0 This clearly won't work, it should resolve to "/dev/disk/cloud /azure_resource-part2". I do notice that on Ubuntu 14.04, the ephemeral disk is re-partitioned correctly, but there is no symlink in /dev/disk/azure/ to the second partition. These symlinks are created by /lib/udev/rules.d/66-azure-ephemeral.rules. Perhaps cloud-init needs to re-trigger this udev rule after repartitioning the disk. FYI, I also tested with the latest cloud-init that is currently in xenial-proposed (0.7.8-47-gb6561a1-0ubuntu1~16.04.1) with the same results. Related bugs: - * bug 1460715: MBR disk setup fails because sfdisk no longer accepts M as a valid unit - * bug 1642383: Unable to configure swap space on ephemeral disk in Azure + * bug 1642383: Unable to configure swap space on ephemeral disk in Azure -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1642383 Title: Unable to configure swap space on ephemeral disk in Azure To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1642383/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
