[pve-devel] [PATCH installer v6 28/36] common: add deserializer for FsType

[Aaron Lauterer <a.lauterer@proxmox.com>]

Tested-by: Christoph Heiss <c.heiss@proxmox.com>
Reviewed-by: Christoph Heiss <c.heiss@proxmox.com>
Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
---
 proxmox-installer-common/Cargo.toml     |  1 +
 proxmox-installer-common/src/options.rs | 10 ++++++---
 proxmox-installer-common/src/setup.rs   | 30 ++++++++++++++++++++++---
 3 files changed, 35 insertions(+), 6 deletions(-)

diff --git a/proxmox-installer-common/Cargo.toml b/proxmox-installer-common/Cargo.toml
index bde5457..70f828a 100644
--- a/proxmox-installer-common/Cargo.toml
+++ b/proxmox-installer-common/Cargo.toml
@@ -8,5 +8,6 @@ exclude = [ "build", "debian" ]
 homepage = "https://www.proxmox.com"
 
 [dependencies]
+regex = "1.7"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
diff --git a/proxmox-installer-common/src/options.rs b/proxmox-installer-common/src/options.rs
index 1efac66..1e782f9 100644
--- a/proxmox-installer-common/src/options.rs
+++ b/proxmox-installer-common/src/options.rs
@@ -1,6 +1,6 @@
+use serde::Deserialize;
 use std::net::{IpAddr, Ipv4Addr};
 use std::{cmp, fmt};
-use serde::Deserialize;
 
 use crate::setup::{
     LocaleInfo, NetworkInfo, ProductConfig, ProxmoxProduct, RuntimeInfo, SetupInfo,
@@ -32,8 +32,11 @@ pub enum ZfsRaidLevel {
     Raid0,
     Raid1,
     Raid10,
+    #[serde(rename = "raidz-1")]
     RaidZ,
+    #[serde(rename = "raidz-2")]
     RaidZ2,
+    #[serde(rename = "raidz-3")]
     RaidZ3,
 }
 
@@ -51,7 +54,8 @@ impl fmt::Display for ZfsRaidLevel {
     }
 }
 
-#[derive(Copy, Clone, Debug, Eq, PartialEq)]
+#[derive(Copy, Clone, Debug, Deserialize, Eq, PartialEq)]
+#[serde(rename_all = "lowercase")]
 pub enum FsType {
     Ext4,
     Xfs,
@@ -226,7 +230,7 @@ pub enum AdvancedBootdiskOptions {
     Btrfs(BtrfsBootdiskOptions),
 }
 
-#[derive(Clone, Debug, PartialEq)]
+#[derive(Clone, Debug, Deserialize, PartialEq)]
 pub struct Disk {
     pub index: String,
     pub path: String,
diff --git a/proxmox-installer-common/src/setup.rs b/proxmox-installer-common/src/setup.rs
index 25d0e9e..c580477 100644
--- a/proxmox-installer-common/src/setup.rs
+++ b/proxmox-installer-common/src/setup.rs
@@ -155,7 +155,7 @@ pub fn installer_setup(in_test_mode: bool) -> Result<(SetupInfo, LocaleInfo, Run
     }
 }
 
-#[derive(Serialize)]
+#[derive(Debug, Deserialize, Serialize)]
 pub struct InstallZfsOption {
     pub ashift: usize,
     #[serde(serialize_with = "serialize_as_display")]
@@ -402,11 +402,11 @@ pub fn spawn_low_level_installer(test_mode: bool) -> io::Result<process::Child>
 }
 
 /// See Proxmox::Install::Config
-#[derive(Serialize)]
+#[derive(Debug, Deserialize, Serialize)]
 pub struct InstallConfig {
     pub autoreboot: usize,
 
-    #[serde(serialize_with = "serialize_fstype")]
+    #[serde(serialize_with = "serialize_fstype", deserialize_with = "deserialize_fs_type")]
     pub filesys: FsType,
     pub hdsize: f64,
     #[serde(skip_serializing_if = "Option::is_none")]
@@ -481,3 +481,27 @@ where
 
     serializer.collect_str(value)
 }
+
+pub fn deserialize_fs_type<'de, D>(deserializer: D) -> Result<FsType, D::Error>
+where
+    D: Deserializer<'de>,
+{
+    use FsType::*;
+    let de_fs: String = Deserialize::deserialize(deserializer)?;
+
+    println!("deserializing fstype");
+    match de_fs.as_str() {
+        "ext4" => Ok(Ext4),
+        "xfs" => Ok(Xfs),
+        "zfs (RAID0)" => Ok(Zfs(ZfsRaidLevel::Raid0)),
+        "zfs (RAID1)" => Ok(Zfs(ZfsRaidLevel::Raid1)),
+        "zfs (RAID10)" => Ok(Zfs(ZfsRaidLevel::Raid10)),
+        "zfs (RAIDZ-1)" => Ok(Zfs(ZfsRaidLevel::RaidZ)),
+        "zfs (RAIDZ-2)" => Ok(Zfs(ZfsRaidLevel::RaidZ2)),
+        "zfs (RAIDZ-3)" => Ok(Zfs(ZfsRaidLevel::RaidZ3)),
+        "btrfs (RAID0)" => Ok(Btrfs(BtrfsRaidLevel::Raid0)),
+        "btrfs (RAID1)" => Ok(Btrfs(BtrfsRaidLevel::Raid1)),
+        "btrfs (RAID10)" => Ok(Btrfs(BtrfsRaidLevel::Raid10)),
+        _ => Err(de::Error::custom("could not find file system: {de_fs}"))
+    }
+}
-- 
2.39.2



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