feature(krata): prepare for workload rework (#276)

* chore(code): simple code cleanup

* chore(code): additional code cleanup

* feature(krata): rework api and make ip assignment persistent to database

* rework and cleanup

* fix daemon config references

crates/daemon/src/config.rs

@@ -10,6 +10,8 @@ pub struct DaemonConfig {
     pub oci: OciConfig,
     #[serde(default)]
     pub pci: DaemonPciConfig,
+    #[serde(default = "default_network")]
+    pub network: DaemonNetworkConfig,
 }
 
 #[derive(Serialize, Deserialize, Clone, Debug, Default)]
@@ -49,6 +51,65 @@ pub enum DaemonPciDeviceRdmReservePolicy {
     Relaxed,
 }
 
+#[derive(Serialize, Deserialize, Clone, Debug, Default)]
+pub struct DaemonNetworkConfig {
+    #[serde(default = "default_network_nameservers")]
+    pub nameservers: Vec<String>,
+    #[serde(default = "default_network_ipv4")]
+    pub ipv4: DaemonIpv4NetworkConfig,
+    #[serde(default = "default_network_ipv6")]
+    pub ipv6: DaemonIpv6NetworkConfig,
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug, Default)]
+pub struct DaemonIpv4NetworkConfig {
+    #[serde(default = "default_network_ipv4_subnet")]
+    pub subnet: String,
+}
+
+#[derive(Serialize, Deserialize, Clone, Debug, Default)]
+pub struct DaemonIpv6NetworkConfig {
+    #[serde(default = "default_network_ipv6_subnet")]
+    pub subnet: String,
+}
+
+fn default_network() -> DaemonNetworkConfig {
+    DaemonNetworkConfig {
+        nameservers: default_network_nameservers(),
+        ipv4: default_network_ipv4(),
+        ipv6: default_network_ipv6(),
+    }
+}
+
+fn default_network_nameservers() -> Vec<String> {
+    vec![
+        "1.1.1.1".to_string(),
+        "1.0.0.1".to_string(),
+        "2606:4700:4700::1111".to_string(),
+        "2606:4700:4700::1001".to_string(),
+    ]
+}
+
+fn default_network_ipv4() -> DaemonIpv4NetworkConfig {
+    DaemonIpv4NetworkConfig {
+        subnet: default_network_ipv4_subnet(),
+    }
+}
+
+fn default_network_ipv4_subnet() -> String {
+    "10.75.80.0/24".to_string()
+}
+
+fn default_network_ipv6() -> DaemonIpv6NetworkConfig {
+    DaemonIpv6NetworkConfig {
+        subnet: default_network_ipv6_subnet(),
+    }
+}
+
+fn default_network_ipv6_subnet() -> String {
+    "fdd4:1476:6c7e::/48".to_string()
+}
+
 impl DaemonConfig {
     pub async fn load(path: &Path) -> Result<DaemonConfig> {
         if path.exists() {