[pve-devel] [PATCH proxmox-perl-rs v2 5/7] perl-rs: sdn: add CRUD helpers for OSPF fabric management

[Gabriel Goller <g.goller@proxmox.com>]

Add CRUD functions for managing OSPF fabrics.

Signed-off-by: Gabriel Goller <g.goller@proxmox.com>
---
 pve-rs/Makefile        |   1 +
 pve-rs/src/sdn/mod.rs  |   1 +
 pve-rs/src/sdn/ospf.rs | 217 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 219 insertions(+)
 create mode 100644 pve-rs/src/sdn/ospf.rs

diff --git a/pve-rs/Makefile b/pve-rs/Makefile
index 6bd9c8a2acec..5bd4d3c58b36 100644
--- a/pve-rs/Makefile
+++ b/pve-rs/Makefile
@@ -33,6 +33,7 @@ PERLMOD_PACKAGES := \
 	  PVE::RS::ResourceScheduling::Static \
 	  PVE::RS::SDN::Fabrics \
 	  PVE::RS::SDN::Fabrics::OpenFabric \
+	  PVE::RS::SDN::Fabrics::Ospf \
 	  PVE::RS::TFA
 
 PERLMOD_PACKAGE_FILES := $(addsuffix .pm,$(subst ::,/,$(PERLMOD_PACKAGES)))
diff --git a/pve-rs/src/sdn/mod.rs b/pve-rs/src/sdn/mod.rs
index 36afb099ece0..6700c989483f 100644
--- a/pve-rs/src/sdn/mod.rs
+++ b/pve-rs/src/sdn/mod.rs
@@ -1,2 +1,3 @@
 pub mod fabrics;
 pub mod openfabric;
+pub mod ospf;
diff --git a/pve-rs/src/sdn/ospf.rs b/pve-rs/src/sdn/ospf.rs
new file mode 100644
index 000000000000..4ab1e7e505f0
--- /dev/null
+++ b/pve-rs/src/sdn/ospf.rs
@@ -0,0 +1,217 @@
+#[perlmod::package(name = "PVE::RS::SDN::Fabrics::Ospf", lib = "pve_rs")]
+mod export {
+    use std::{net::Ipv4Addr, str};
+
+    use anyhow::Context;
+
+    use proxmox_network_types::{debian::Hostname, ip_address::Ipv4Cidr};
+    use proxmox_schema::property_string::PropertyString;
+    use proxmox_section_config::typed::{ApiSectionDataEntry, SectionConfigData};
+    use proxmox_ve_config::sdn::fabric::{
+        FabricId, NodeId, SectionType, Validate,
+        ospf::{Area, FabricSection, InterfaceProperties, NodeSection, OspfSectionConfig},
+    };
+    use serde::{Deserialize, Serialize};
+
+    use crate::sdn::fabrics::export::PerlSectionConfig;
+
+    perlmod::declare_magic!(Box<PerlSectionConfig<OspfSectionConfig>> : &PerlSectionConfig<OspfSectionConfig> as "PVE::RS::SDN::Fabrics::Ospf");
+
+    #[derive(Debug, Serialize, Deserialize)]
+    pub struct AddFabric {
+        fabric_id: FabricId,
+        area: Area,
+        loopback_prefix: Ipv4Cidr,
+    }
+
+    #[derive(Debug, Deserialize)]
+    pub struct AddNode {
+        node_id: Hostname,
+        fabric_id: FabricId,
+        router_id: Ipv4Addr,
+        interfaces: Option<Vec<PropertyString<InterfaceProperties>>>,
+    }
+
+    #[derive(Debug, Serialize, Deserialize)]
+    pub struct DeleteFabric {
+        fabric_id: FabricId,
+    }
+
+    #[derive(Debug, Serialize, Deserialize)]
+    pub struct DeleteNode {
+        fabric_id: FabricId,
+        node_id: Hostname,
+    }
+
+    #[derive(Debug, Serialize, Deserialize)]
+    pub struct DeleteInterface {
+        fabric_id: FabricId,
+        node_id: Hostname,
+        /// interface name
+        name: String,
+    }
+
+    #[derive(Debug, Serialize, Deserialize)]
+    pub struct EditFabric {
+        fabric_id: FabricId,
+        area: Area,
+    }
+
+    #[derive(Debug, Serialize, Deserialize)]
+    pub struct EditNode {
+        fabric_id: FabricId,
+        node_id: Hostname,
+
+        router_id: Ipv4Addr,
+        interfaces: Option<Vec<PropertyString<InterfaceProperties>>>,
+    }
+
+    #[derive(Debug, Serialize, Deserialize)]
+    pub struct EditInterface {
+        fabric_id: FabricId,
+        node_id: Hostname,
+        name: String,
+
+        passive: bool,
+    }
+
+    fn interface_exists(
+        config: &SectionConfigData<OspfSectionConfig>,
+        interface_name: &str,
+        node_name: &str,
+    ) -> bool {
+        config.sections.iter().any(|(k, v)| {
+            if let OspfSectionConfig::Node(n) = v {
+                k.parse::<NodeId>().ok().is_some_and(|id| {
+                    id.node_id.as_ref() == node_name
+                        && n.interfaces.iter().any(|i| i.name == interface_name)
+                })
+            } else {
+                false
+            }
+        })
+    }
+
+    impl PerlSectionConfig<OspfSectionConfig> {
+        pub fn add_fabric(&self, params: AddFabric) -> Result<(), anyhow::Error> {
+            let fabric_id = params.fabric_id.to_string();
+
+            let mut config = self.section_config.lock().unwrap();
+
+            if config.sections.contains_key(&fabric_id) {
+                anyhow::bail!("fabric already exists");
+            }
+
+            let new_fabric = OspfSectionConfig::Fabric(FabricSection {
+                fabric_id: params.fabric_id,
+                area: params.area,
+                ty: SectionType::Fabric,
+                loopback_prefix: params.loopback_prefix,
+            });
+
+            config.sections.insert(fabric_id.clone(), new_fabric);
+            config.order.push(fabric_id);
+
+            OspfSectionConfig::validate_as_ref(&config)?;
+            Ok(())
+        }
+
+        pub fn add_node(&self, params: AddNode) -> Result<(), anyhow::Error> {
+            let id = NodeId::new(params.fabric_id.clone(), params.node_id.clone());
+            let id_string = id.to_string();
+
+            let mut config = self.section_config.lock().unwrap();
+            if config.sections.contains_key(&id_string) {
+                anyhow::bail!("node already exists");
+            }
+
+            if let Some(interfaces) = &params.interfaces {
+                if interfaces
+                    .iter()
+                    .any(|i| interface_exists(&config, &i.name, id_string.as_ref()))
+                {
+                    anyhow::bail!("One interface cannot be a part of two fabrics");
+                }
+            }
+
+            let new_fabric = OspfSectionConfig::Node(NodeSection {
+                id,
+                fabric_id: params.fabric_id,
+                node_id: params.node_id,
+                router_id: params.router_id,
+                interfaces: params.interfaces.unwrap_or_default(),
+                ty: SectionType::Node,
+            });
+            config.sections.insert(id_string.clone(), new_fabric);
+            config.order.push(id_string);
+            OspfSectionConfig::validate_as_ref(&config)?;
+            Ok(())
+        }
+
+        pub fn edit_fabric(&self, params: EditFabric) -> Result<(), anyhow::Error> {
+            let mut config = self.section_config.lock().unwrap();
+
+            if let OspfSectionConfig::Fabric(fs) = config
+                .sections
+                .get_mut(params.fabric_id.as_ref())
+                .context("fabric doesn't exist")?
+            {
+                fs.area = params.area;
+            }
+            OspfSectionConfig::validate_as_ref(&config)?;
+            Ok(())
+        }
+
+        pub fn edit_node(&self, params: EditNode) -> Result<(), anyhow::Error> {
+            let nodeid = NodeId::new(params.fabric_id, params.node_id).to_string();
+
+            let mut config = self.section_config.lock().unwrap();
+            if let Some(node) = config.sections.get_mut(&nodeid) {
+                if let OspfSectionConfig::Node(n) = node {
+                    n.router_id = params.router_id;
+                    n.interfaces = params.interfaces.unwrap_or_default();
+                }
+            } else {
+                anyhow::bail!("node not found");
+            }
+            OspfSectionConfig::validate_as_ref(&config)?;
+            Ok(())
+        }
+
+        pub fn delete_fabric(&self, params: DeleteFabric) -> Result<(), anyhow::Error> {
+            let mut config = self.section_config.lock().unwrap();
+
+            let fabric_id = params.fabric_id;
+            config
+                .sections
+                .remove(fabric_id.as_ref())
+                .ok_or(anyhow::anyhow!("no fabric found"))?;
+
+            // remove all the nodes
+            config.sections.retain(|k, _v| {
+                if let Ok(nodeid) = k.parse::<NodeId>() {
+                    return nodeid.fabric_id != fabric_id;
+                }
+                true
+            });
+            OspfSectionConfig::validate_as_ref(&config)?;
+            Ok(())
+        }
+
+        pub fn delete_node(&self, params: DeleteNode) -> Result<(), anyhow::Error> {
+            let mut config = self.section_config.lock().unwrap();
+            let nodeid = NodeId::new(params.fabric_id, params.node_id).to_string();
+            config
+                .sections
+                .remove(&nodeid)
+                .ok_or(anyhow::anyhow!("node not found"))?;
+            OspfSectionConfig::validate_as_ref(&config)?;
+            Ok(())
+        }
+
+        pub fn write(&self) -> Result<String, anyhow::Error> {
+            let guard = self.section_config.lock().unwrap().clone();
+            OspfSectionConfig::write_section_config("sdn/fabrics/ospf.cfg", &guard)
+        }
+    }
+}
-- 
2.39.5



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