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From: Stefan Hanreich <s.hanreich@proxmox.com>
To: pve-devel@lists.proxmox.com
Date: Thu, 10 Oct 2024 17:56:28 +0200
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Subject: [pve-devel] [PATCH proxmox-ve-rs v2 16/25] sdn: config: add method
for generating ipsets
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We generate the following ipsets for every vnet in the running sdn
configuration:
* {vnet}-all: contains all subnets of the vnet
* {vnet}-no-gateway: contains all subnets of the vnet except for all
gateways
* {vnet}-gateway: contains all gateways in the vnet
* {vnet}-dhcp: contains all dhcp ranges configured in the vnet
All of them are in the new SDN scope, so the fully qualified name
would look something like this: `+sdn/{vnet-all}`.
Signed-off-by: Stefan Hanreich <s.hanreich@proxmox.com>
---
proxmox-ve-config/src/sdn/config.rs | 72 +++++++++++++++++++++++++++++
1 file changed, 72 insertions(+)
diff --git a/proxmox-ve-config/src/sdn/config.rs b/proxmox-ve-config/src/sdn/config.rs
index b71084b..f6fc8c2 100644
--- a/proxmox-ve-config/src/sdn/config.rs
+++ b/proxmox-ve-config/src/sdn/config.rs
@@ -529,6 +529,78 @@ impl SdnConfig {
self.zones()
.flat_map(|zone| zone.vnets().map(move |vnet| (zone, vnet)))
}
+
+ /// Generates multiple [`Ipset`] for all SDN VNets.
+ ///
+ /// # Arguments
+ /// * `filter` - A [`Allowlist`] of VNet names for which IPsets should get returned
+ ///
+ /// It generates the following [`Ipset`] for all VNets in the config:
+ /// * all: Contains all CIDRs of all subnets in the VNet
+ /// * gateway: Contains all gateways of all subnets in the VNet (if any gateway exists)
+ /// * no-gateway: Matches all CIDRs of all subnets, except for the gateways (if any gateway
+ /// exists)
+ /// * dhcp: Contains all DHCP ranges of all subnets in the VNet (if any dhcp range exists)
+ pub fn ipsets<'a>(
+ &'a self,
+ filter: impl Into<Option<&'a Allowlist<VnetName>>>,
+ ) -> impl Iterator<Item = Ipset> + '_ {
+ let filter = filter.into();
+
+ self.zones
+ .values()
+ .flat_map(|zone| zone.vnets())
+ .filter(move |vnet| {
+ filter
+ .map(|list| list.is_allowed(&vnet.name))
+ .unwrap_or(true)
+ })
+ .flat_map(|vnet| {
+ let mut ipset_all = Ipset::new(IpsetName::new(
+ IpsetScope::Sdn,
+ format!("{}-all", vnet.name),
+ ));
+ ipset_all.comment = Some(format!("All subnets of VNet {}", vnet.name));
+
+ let mut ipset_gateway = Ipset::new(IpsetName::new(
+ IpsetScope::Sdn,
+ format!("{}-gateway", vnet.name),
+ ));
+ ipset_gateway.comment = Some(format!("All gateways of VNet {}", vnet.name));
+
+ let mut ipset_all_wo_gateway = Ipset::new(IpsetName::new(
+ IpsetScope::Sdn,
+ format!("{}-no-gateway", vnet.name),
+ ));
+ ipset_all_wo_gateway.comment = Some(format!(
+ "All subnets of VNet {}, excluding gateways",
+ vnet.name
+ ));
+
+ let mut ipset_dhcp = Ipset::new(IpsetName::new(
+ IpsetScope::Sdn,
+ format!("{}-dhcp", vnet.name),
+ ));
+ ipset_dhcp.comment = Some(format!("DHCP ranges of VNet {}", vnet.name));
+
+ for subnet in vnet.subnets.values() {
+ ipset_all.push((*subnet.cidr()).into());
+
+ ipset_all_wo_gateway.push((*subnet.cidr()).into());
+
+ if let Some(gateway) = subnet.gateway {
+ let gateway_nomatch = IpsetEntry::new(gateway, true, None);
+ ipset_all_wo_gateway.push(gateway_nomatch);
+
+ ipset_gateway.push(gateway.into());
+ }
+
+ ipset_dhcp.extend(subnet.dhcp_range.iter().cloned().map(IpsetEntry::from));
+ }
+
+ [ipset_all, ipset_gateway, ipset_all_wo_gateway, ipset_dhcp]
+ })
+ }
}
impl TryFrom<RunningConfig> for SdnConfig {
--
2.39.5
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