[pve-devel] [PATCH docs/installer v4 0/9] add early disk and network sanity checks

["Michael Köppl" <m.koeppl@proxmox.com>]

The goal of this series is to add additional sanity checks to the
auto-installer and the TUI and GUI installers. The following checks were
added:
* Btrfs / ZFS RAID: check if the required number of disks is available
* LVM: check if swapsize < hdsize
* Duplicate disks in answer file disk selection
* Networking: check if IPv4 address is valid within subnet (RFC)

Additionally, the documentation regarding maxroot is adapted to remove
the maximum maxroot size requirement since there was no check and adding
a sanity check would have prevented users from installing on setups with
very small disks even if the installation could have succeeded.

The disk-related checks aim to close [0], whereas the IPv4 check would
partially close [1].

[0] https://bugzilla.proxmox.com/show_bug.cgi?id=5887
[1] https://bugzilla.proxmox.com/show_bug.cgi?id=5757

Changes since v3:
- Rebased on master
- Moved unit tests for ZfsRaidLevel and BtrfsRaidLevel to
  proxmox_installer_common::otions
- Rename check_disks() proxmox_installer_common to check_raid_disks_setup()
- Move dummy_disk() function for tests into Disk struct
- Add new patch that unifies error messages regarding disk and RAID
  setup checks across TUI and GUI (mostly, see comment in 8/8)
- Use anyhow::Result to handle errors in LVM disk setups (swapsize, ...)
- Move the refactoring of CidrAddressParseError's Display implementation
  to an earlier patch instead of rewriting later on
- Add FIXME to CidrAddressEditView's FormViewGetValue implementation
  regarding the proper return type that should be used, needs a bigger
  refactoring

Changes since v2:
- Rebased on master
- Removed maxroot check and instead adapted documentation
- Remove some changes that were the result of formatting otherwise
  unchanged lines of code
- Added patch to improve error handling when checking CIDR address TUI
  network dialog
- In installer 7/7, use the limit variable for the check_mask_limit
  function instead of hardcoded 32

Changes since v1:
- Removed rustfmt patch
- Removed patch that changed check_zfs_raid_config (replaced with patch
  below)
- Added patch that moves implementation of RAID setup checks to
  implementation of ZfsRaidLevel and BtrfsRaidLevel
- Adapted tests for RAID setup validity
- Added configured values in GiB to error messages for invalid
  swapsize and maxroot
- Changed maximum allowed swapsize to hdsize/8
- De-duplicated swapsize and maxroot check implementations in
  autoinstaller utils and common's disk_checks
- Added patch that adds a check for duplicate disks in answer file disk
  selection
- Refactored Display implementation of CidrAddressParseError
- Simplified Deserialize implementation of CidrAddress
- Explicitly allow /31 and /32 subnets in CIDR validity check

Thanks to @Christoph for reviewing the previous versions and his suggestions.

pve-docs:

Michael Köppl (1):
  installation: remove maxroot size requirement and mention default
    instead

 pve-installation.adoc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)


pve-installer:

Michael Köppl (8):
  auto: add early answer file sanity check for RAID configurations
  move RAID setup checks to RAID level enum implementations
  close #5887: add sanity check for LVM swapsize
  auto: add check for duplicate disks in answer file
  common: add more descriptive errors for invalid network configs
  tui: change get_value return type for easier error handling
  common: add checks for valid subnet mask and IPv4 address within
    subnet
  tui, gui: streamline error messages around disk and RAID checks

 Proxmox/Install.pm                            |  24 ++-
 proxinstall                                   |  10 +-
 proxmox-auto-install-assistant/src/main.rs    |   3 +-
 proxmox-auto-installer/src/utils.rs           |  38 +++-
 proxmox-auto-installer/tests/parse-answer.rs  |   9 +-
 .../parse_answer/ipv4_and_subnet_31.json      |  19 ++
 .../parse_answer/ipv4_and_subnet_31.toml      |  18 ++
 .../btrfs_raid_single_disk.json               |   3 +
 .../btrfs_raid_single_disk.toml               |  15 ++
 .../parse_answer_fail/duplicate_disk.json     |   3 +
 .../parse_answer_fail/duplicate_disk.toml     |  15 ++
 .../ipv4_and_subnet_addr_is_network.json      |   3 +
 .../ipv4_and_subnet_addr_is_network.toml      |  18 ++
 .../ipv4_and_subnet_mask_33.json              |   3 +
 .../ipv4_and_subnet_mask_33.toml              |  18 ++
 .../lvm_swapsize_greater_than_hdsize.json     |   3 +
 .../lvm_swapsize_greater_than_hdsize.toml     |  16 ++
 .../zfs_raid_single_disk.json                 |   3 +
 .../zfs_raid_single_disk.toml                 |  15 ++
 proxmox-installer-common/src/disk_checks.rs   | 168 +++---------------
 proxmox-installer-common/src/options.rs       | 147 +++++++++++++++
 proxmox-installer-common/src/utils.rs         |  85 +++++++--
 proxmox-tui-installer/Cargo.toml              |   1 +
 proxmox-tui-installer/src/main.rs             |   8 +-
 proxmox-tui-installer/src/views/bootdisk.rs   |  17 +-
 proxmox-tui-installer/src/views/mod.rs        |   9 +-
 26 files changed, 488 insertions(+), 183 deletions(-)
 create mode 100644 proxmox-auto-installer/tests/resources/parse_answer/ipv4_and_subnet_31.json
 create mode 100644 proxmox-auto-installer/tests/resources/parse_answer/ipv4_and_subnet_31.toml
 create mode 100644 proxmox-auto-installer/tests/resources/parse_answer_fail/btrfs_raid_single_disk.json
 create mode 100644 proxmox-auto-installer/tests/resources/parse_answer_fail/btrfs_raid_single_disk.toml
 create mode 100644 proxmox-auto-installer/tests/resources/parse_answer_fail/duplicate_disk.json
 create mode 100644 proxmox-auto-installer/tests/resources/parse_answer_fail/duplicate_disk.toml
 create mode 100644 proxmox-auto-installer/tests/resources/parse_answer_fail/ipv4_and_subnet_addr_is_network.json
 create mode 100644 proxmox-auto-installer/tests/resources/parse_answer_fail/ipv4_and_subnet_addr_is_network.toml
 create mode 100644 proxmox-auto-installer/tests/resources/parse_answer_fail/ipv4_and_subnet_mask_33.json
 create mode 100644 proxmox-auto-installer/tests/resources/parse_answer_fail/ipv4_and_subnet_mask_33.toml
 create mode 100644 proxmox-auto-installer/tests/resources/parse_answer_fail/lvm_swapsize_greater_than_hdsize.json
 create mode 100644 proxmox-auto-installer/tests/resources/parse_answer_fail/lvm_swapsize_greater_than_hdsize.toml
 create mode 100644 proxmox-auto-installer/tests/resources/parse_answer_fail/zfs_raid_single_disk.json
 create mode 100644 proxmox-auto-installer/tests/resources/parse_answer_fail/zfs_raid_single_disk.toml


Summary over all repositories:
  27 files changed, 491 insertions(+), 184 deletions(-)

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