[pve-devel] [PATCH pve-installer v2 4/6] auto: add check for duplicate disks in answer file

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

Signed-off-by: Michael Köppl <m.koeppl@proxmox.com>
---
 proxmox-auto-installer/src/utils.rs               | 12 +++++++++++-
 proxmox-auto-installer/tests/parse-answer.rs      |  1 +
 .../parse_answer_fail/duplicate_disk.json         |  3 +++
 .../parse_answer_fail/duplicate_disk.toml         | 15 +++++++++++++++
 4 files changed, 30 insertions(+), 1 deletion(-)
 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

diff --git a/proxmox-auto-installer/src/utils.rs b/proxmox-auto-installer/src/utils.rs
index 75696bd..3a1573e 100644
--- a/proxmox-auto-installer/src/utils.rs
+++ b/proxmox-auto-installer/src/utils.rs
@@ -2,7 +2,10 @@ use anyhow::{Context, Result, bail};
 use clap::ValueEnum;
 use glob::Pattern;
 use log::info;
-use std::{collections::BTreeMap, process::Command};
+use std::{
+    collections::{BTreeMap, HashSet},
+    process::Command,
+};
 
 use crate::{
     answer::{
@@ -396,6 +399,13 @@ pub fn verify_disks_settings(answer: &Answer) -> Result<()> {
                 min_disks
             );
         }
+
+        let mut disk_set = HashSet::new();
+        for disk in selection {
+            if !disk_set.insert(disk) {
+                bail!("List of disks contains duplicate disk {disk}");
+            }
+        }
     }
 
     if let answer::FsOptions::LVM(lvm) = &answer.disks.fs_options {
diff --git a/proxmox-auto-installer/tests/parse-answer.rs b/proxmox-auto-installer/tests/parse-answer.rs
index e615672..f560483 100644
--- a/proxmox-auto-installer/tests/parse-answer.rs
+++ b/proxmox-auto-installer/tests/parse-answer.rs
@@ -143,6 +143,7 @@ mod tests {
             // Keep below entries alphabetically sorted
             both_password_and_hashed_set,
             btrfs_raid_single_disk,
+            duplicate_disk,
             fqdn_from_dhcp_no_default_domain,
             fqdn_hostname_only,
             lvm_maxroot_greater_than_maximum,
diff --git a/proxmox-auto-installer/tests/resources/parse_answer_fail/duplicate_disk.json b/proxmox-auto-installer/tests/resources/parse_answer_fail/duplicate_disk.json
new file mode 100644
index 0000000..d01fabe
--- /dev/null
+++ b/proxmox-auto-installer/tests/resources/parse_answer_fail/duplicate_disk.json
@@ -0,0 +1,3 @@
+{
+  "error": "List of disks contains duplicate disk sda"
+}
diff --git a/proxmox-auto-installer/tests/resources/parse_answer_fail/duplicate_disk.toml b/proxmox-auto-installer/tests/resources/parse_answer_fail/duplicate_disk.toml
new file mode 100644
index 0000000..bff1631
--- /dev/null
+++ b/proxmox-auto-installer/tests/resources/parse_answer_fail/duplicate_disk.toml
@@ -0,0 +1,15 @@
+[global]
+keyboard = "de"
+country = "at"
+fqdn = "btrfs-raid-single-disk.fail.testinstall"
+mailto = "mail@no.invalid"
+timezone = "Europe/Vienna"
+root-password = "12345678"
+
+[network]
+source = "from-dhcp"
+
+[disk-setup]
+filesystem = "btrfs"
+btrfs.raid = "raid1"
+disk-list = ["sda", "sdb", "sda"]
-- 
2.39.5



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