use std::collections::HashMap;
use crate::ovn::{
ovn_bridge_mappings_to_string, OvnBridgeMapping, OVN_BRIDGE_MAPPINGS,
};
use crate::ErrorKind::InvalidArgument;
use crate::NmstateError;
use serde::{Deserialize, Deserializer, Serialize};
#[derive(Debug, Clone, PartialEq, Eq, Default, Serialize)]
#[non_exhaustive]
pub struct OvsDbGlobalConfig {
#[serde(skip_serializing_if = "Option::is_none")]
pub external_ids: Option<HashMap<String, Option<String>>>,
#[serde(skip_serializing_if = "Option::is_none")]
pub other_config: Option<HashMap<String, Option<String>>>,
#[serde(skip)]
pub(crate) prop_list: Vec<&'static str>,
}
impl OvsDbGlobalConfig {
pub fn is_none(&self) -> bool {
self.external_ids.is_none() && self.other_config.is_none()
}
}
impl<'de> Deserialize<'de> for OvsDbGlobalConfig {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
let mut ret = Self::default();
let mut v = serde_json::Value::deserialize(deserializer)?;
if let Some(v) = v.as_object_mut() {
if let Some(v) = v.remove("external_ids") {
ret.prop_list.push("external_ids");
ret.external_ids = Some(value_to_hash_map(&v));
}
if let Some(v) = v.remove("other_config") {
ret.prop_list.push("other_config");
ret.other_config = Some(value_to_hash_map(&v));
}
if !v.is_empty() {
let remain_keys: Vec<String> = v.keys().cloned().collect();
return Err(serde::de::Error::custom(format!(
"Unsupported section names '{}', only supports \
`external_ids` and `other_config`",
remain_keys.join(", ")
)));
}
} else {
return Err(serde::de::Error::custom(format!(
"Expecting dict/HashMap, but got {v:?}"
)));
}
Ok(ret)
}
}
#[derive(Debug, Clone, PartialEq, Eq, Default, Serialize)]
#[non_exhaustive]
pub struct OvsDbIfaceConfig {
#[serde(skip_serializing_if = "Option::is_none")]
pub external_ids: Option<HashMap<String, Option<String>>>,
#[serde(skip_serializing_if = "Option::is_none")]
pub other_config: Option<HashMap<String, Option<String>>>,
}
impl OvsDbIfaceConfig {
pub(crate) fn get_external_ids(&self) -> HashMap<&str, &str> {
let mut ret = HashMap::new();
if let Some(eids) = self.external_ids.as_ref() {
for (k, v) in eids {
if let Some(v) = v {
ret.insert(k.as_str(), v.as_str());
}
}
}
ret
}
pub(crate) fn get_other_config(&self) -> HashMap<&str, &str> {
let mut ret = HashMap::new();
if let Some(cfgs) = self.other_config.as_ref() {
for (k, v) in cfgs {
if let Some(v) = v {
ret.insert(k.as_str(), v.as_str());
}
}
}
ret
}
}
impl<'de> Deserialize<'de> for OvsDbIfaceConfig {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
let mut ret = Self::default();
let mut v = serde_json::Value::deserialize(deserializer)?;
if let Some(v) = v.as_object_mut() {
if let Some(v) = v.remove("external_ids") {
ret.external_ids = Some(value_to_hash_map(&v));
}
if let Some(v) = v.remove("other_config") {
ret.other_config = Some(value_to_hash_map(&v));
}
if !v.is_empty() {
let remain_keys: Vec<String> = v.keys().cloned().collect();
return Err(serde::de::Error::custom(format!(
"Unsupported section names '{}', only supports \
`external_ids` and `other_config`",
remain_keys.join(", ")
)));
}
} else {
return Err(serde::de::Error::custom(format!(
"Expecting dict/HashMap, but got {v:?}"
)));
}
Ok(ret)
}
}
fn value_to_hash_map(
value: &serde_json::Value,
) -> HashMap<String, Option<String>> {
let mut ret: HashMap<String, Option<String>> = HashMap::new();
if let Some(value) = value.as_object() {
for (k, v) in value.iter() {
let v = match &v {
serde_json::Value::Number(i) => Some({
if let Some(i) = i.as_i64() {
format!("{i}")
} else if let Some(i) = i.as_u64() {
format!("{i}")
} else if let Some(i) = i.as_f64() {
format!("{i}")
} else {
continue;
}
}),
serde_json::Value::String(s) => Some(s.to_string()),
serde_json::Value::Bool(b) => Some(format!("{b}")),
serde_json::Value::Null => None,
_ => continue,
};
ret.insert(k.to_string(), v);
}
}
ret
}
#[derive(Clone, Debug, Default, PartialEq, Eq)]
pub(crate) struct MergedOvsDbGlobalConfig {
pub(crate) desired: OvsDbGlobalConfig,
pub(crate) current: OvsDbGlobalConfig,
pub(crate) external_ids: HashMap<String, Option<String>>,
pub(crate) other_config: HashMap<String, Option<String>>,
}
impl MergedOvsDbGlobalConfig {
pub(crate) fn new(
desired: OvsDbGlobalConfig,
current: OvsDbGlobalConfig,
current_ovn_mappings: Option<Vec<OvnBridgeMapping>>,
) -> Result<Self, NmstateError> {
if desired.prop_list.is_empty() {
Ok(Self {
desired,
current,
external_ids: HashMap::new(),
other_config: HashMap::new(),
})
} else {
let mut external_ids =
current.external_ids.as_ref().cloned().unwrap_or_default();
let mut other_config =
current.other_config.as_ref().cloned().unwrap_or_default();
if let Some(ex_ids) = desired.external_ids.as_ref() {
if ex_ids.is_empty() {
external_ids.clear();
if let Some(current_bridge_mappings) = current_ovn_mappings
{
if !current_bridge_mappings.is_empty() {
external_ids.insert(
OVN_BRIDGE_MAPPINGS.to_string(),
Some(ovn_bridge_mappings_to_string(
current_bridge_mappings,
)),
);
}
};
} else {
if ex_ids.get(OVN_BRIDGE_MAPPINGS).is_some() {
const INVALID_EXTERNAL_IDS_KEY: &str = "Cannot use the `ovn-bridge-mappings`\
external_ids key directly. Please use ovn.bridge-mappings API instead";
return Err(NmstateError::new(
InvalidArgument,
INVALID_EXTERNAL_IDS_KEY.to_string(),
));
}
for (k, v) in ex_ids {
if v.is_none() {
external_ids.remove(k);
} else {
external_ids.insert(k.clone(), v.clone());
}
}
}
}
if let Some(cfgs) = desired.other_config.as_ref() {
if cfgs.is_empty() {
other_config.clear();
} else {
for (k, v) in cfgs {
if v.is_none() {
other_config.remove(k);
} else {
other_config.insert(k.clone(), v.clone());
}
}
}
}
Ok(Self {
desired,
current,
external_ids,
other_config,
})
}
}
}