[pve-devel] [PATCH proxmox-perl-rs v2 6/7] perl-rs: sdn: OSPF perlmod methods

[Gabriel Goller]

CRUD methods for perlmod that call the helper functions defined earlier.
Also add a method that returns the FRR daemons to be enabled and a
method that generates FRR configuration after validating it.

Signed-off-by: Gabriel Goller <g.goller at proxmox.com>
Co-authored-by: Stefan Hanreich <s.hanreich at proxmox.com>
---
 pve-rs/src/sdn/ospf.rs | 173 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 170 insertions(+), 3 deletions(-)

diff --git a/pve-rs/src/sdn/ospf.rs b/pve-rs/src/sdn/ospf.rs
index 4ab1e7e505f0..2c83d638661a 100644
--- a/pve-rs/src/sdn/ospf.rs
+++ b/pve-rs/src/sdn/ospf.rs
@@ -1,14 +1,16 @@
 #[perlmod::package(name = "PVE::RS::SDN::Fabrics::Ospf", lib = "pve_rs")]
 mod export {
-    use std::{net::Ipv4Addr, str};
+    use std::{collections::HashMap, net::Ipv4Addr, str, sync::Mutex};
 
-    use anyhow::Context;
+    use anyhow::{Context, Error};
 
+    use perlmod::Value;
+    use proxmox_frr::serializer::to_raw_config;
     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,
+        FabricConfig, FabricId, FrrConfigBuilder, NodeId, SectionType, Valid, Validate,
         ospf::{Area, FabricSection, InterfaceProperties, NodeSection, OspfSectionConfig},
     };
     use serde::{Deserialize, Serialize};
@@ -214,4 +216,169 @@ mod export {
             OspfSectionConfig::write_section_config("sdn/fabrics/ospf.cfg", &guard)
         }
     }
+
+    #[export(raw_return)]
+    fn running_config(
+        #[raw] class: Value,
+        raw_config: HashMap<String, OspfSectionConfig>,
+    ) -> Result<perlmod::Value, anyhow::Error> {
+        // we cannot just construct it from the HashMap via From, since then the order is empty
+        let section_config = raw_config.into_iter().collect();
+
+        let return_value = PerlSectionConfig {
+            section_config: Mutex::new(section_config),
+        };
+
+        Ok(perlmod::instantiate_magic!(&class, MAGIC => Box::new(
+                return_value
+        )))
+    }
+
+    #[export(raw_return)]
+    fn config(#[raw] class: Value, raw_config: &[u8]) -> Result<perlmod::Value, anyhow::Error> {
+        let raw_config = std::str::from_utf8(raw_config)?;
+
+        let config = OspfSectionConfig::parse_section_config("ospf.cfg", raw_config)?;
+        let return_value = PerlSectionConfig {
+            section_config: Mutex::new(config),
+        };
+
+        Ok(perlmod::instantiate_magic!(&class, MAGIC => Box::new(
+                return_value
+        )))
+    }
+
+    /// Writes the config to a string and returns the configuration and the protocol.
+    #[export]
+    fn write(
+        #[try_from_ref] this: &PerlSectionConfig<OspfSectionConfig>,
+    ) -> Result<(String, String), Error> {
+        let full_new_config = this.write()?;
+
+        // We return the protocol here as well, so that in perl we can write to
+        // the correct config file
+        Ok((full_new_config, "ospf".to_string()))
+    }
+
+    #[export]
+    fn add_fabric(
+        #[try_from_ref] this: &PerlSectionConfig<OspfSectionConfig>,
+        params: AddFabric,
+    ) -> Result<(), Error> {
+        this.add_fabric(params)?;
+
+        Ok(())
+    }
+
+    #[export]
+    fn add_node(
+        #[try_from_ref] this: &PerlSectionConfig<OspfSectionConfig>,
+        params: AddNode,
+    ) -> Result<(), Error> {
+        this.add_node(params)
+    }
+
+    #[export]
+    fn edit_fabric(
+        #[try_from_ref] this: &PerlSectionConfig<OspfSectionConfig>,
+        params: EditFabric,
+    ) -> Result<(), Error> {
+        this.edit_fabric(params)
+    }
+
+    #[export]
+    fn edit_node(
+        #[try_from_ref] this: &PerlSectionConfig<OspfSectionConfig>,
+        params: EditNode,
+    ) -> Result<(), Error> {
+        this.edit_node(params)
+    }
+
+    #[export]
+    fn delete_fabric(
+        #[try_from_ref] this: &PerlSectionConfig<OspfSectionConfig>,
+        params: DeleteFabric,
+    ) -> Result<(), Error> {
+        this.delete_fabric(params)?;
+
+        Ok(())
+    }
+
+    #[export]
+    fn delete_node(
+        #[try_from_ref] this: &PerlSectionConfig<OspfSectionConfig>,
+        params: DeleteNode,
+    ) -> Result<(), Error> {
+        this.delete_node(params)?;
+
+        Ok(())
+    }
+
+    #[export]
+    fn get_inner(
+        #[try_from_ref] this: &PerlSectionConfig<OspfSectionConfig>,
+    ) -> HashMap<String, OspfSectionConfig> {
+        let guard = this.section_config.lock().unwrap();
+        guard.clone().into_iter().collect()
+    }
+
+    #[export]
+    fn get_fabric(
+        #[try_from_ref] this: &PerlSectionConfig<OspfSectionConfig>,
+        fabric: FabricId,
+    ) -> Result<OspfSectionConfig, Error> {
+        let guard = this.section_config.lock().unwrap();
+        guard
+            .get(&fabric.to_string())
+            .cloned()
+            .ok_or(anyhow::anyhow!("fabric not found"))
+    }
+
+    #[export]
+    fn get_node(
+        #[try_from_ref] this: &PerlSectionConfig<OspfSectionConfig>,
+        fabric: FabricId,
+        node: Hostname,
+    ) -> Result<OspfSectionConfig, Error> {
+        let guard = this.section_config.lock().unwrap();
+        let nodeid = NodeId::new(fabric, node).to_string();
+        guard
+            .get(&nodeid)
+            .cloned()
+            .ok_or(anyhow::anyhow!("node not found"))
+    }
+
+    #[export]
+    pub fn enabled_daemons(
+        #[try_from_ref] this: &PerlSectionConfig<OspfSectionConfig>,
+        hostname: Hostname,
+    ) -> Vec<String> {
+        let config = this.section_config.lock().unwrap();
+
+        for (_, section) in config.iter() {
+            if let OspfSectionConfig::Node(node) = section {
+                if node.node_id == hostname {
+                    return vec!["ospfd".to_string()];
+                }
+            }
+        }
+
+        Vec::new()
+    }
+
+    #[export]
+    pub fn get_frr_raw_config(
+        #[try_from_ref] this: &PerlSectionConfig<OspfSectionConfig>,
+        node: Hostname,
+    ) -> Result<Vec<String>, Error> {
+        let config = this.section_config.lock().unwrap();
+        let ospf_config: Valid<OspfSectionConfig> = OspfSectionConfig::validate(config.clone())?;
+
+        let config = FabricConfig::with_ospf(ospf_config);
+        let frr_config = FrrConfigBuilder::default()
+            .add_fabrics(config)
+            .build(node)?;
+
+        to_raw_config(&frr_config)
+    }
 }
-- 
2.39.5