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use crate::{Flag, FlagPermission, FlagSource, FlagValue, ValuePickedFrom};
use anyhow::{anyhow, Result};
use std::fs::File;
use std::io::Read;
pub struct AconfigStorageSource {}
use aconfig_storage_file::protos::ProtoStorageFiles;
static STORAGE_INFO_FILE_PATH: &str = "/metadata/aconfig/persistent_storage_file_records.pb";
impl FlagSource for AconfigStorageSource {
fn list_flags() -> Result<Vec<Flag>> {
let mut result = Vec::new();
let mut file = File::open(STORAGE_INFO_FILE_PATH)?;
let mut bytes = Vec::new();
file.read_to_end(&mut bytes)?;
let storage_file_info: ProtoStorageFiles = protobuf::Message::parse_from_bytes(&bytes)?;
for file_info in storage_file_info.files {
let package_map =
file_info.package_map.ok_or(anyhow!("storage file is missing package map"))?;
let flag_map = file_info.flag_map.ok_or(anyhow!("storage file is missing flag map"))?;
let flag_val = file_info.flag_val.ok_or(anyhow!("storage file is missing flag val"))?;
let container =
file_info.container.ok_or(anyhow!("storage file is missing container"))?;
for listed_flag in aconfig_storage_file::list_flags(&package_map, &flag_map, &flag_val)?
{
result.push(Flag {
name: listed_flag.flag_name,
package: listed_flag.package_name,
value: FlagValue::try_from(listed_flag.flag_value.as_str())?,
container: container.to_string(),
// TODO(b/324436145): delete namespace field once DeviceConfig isn't in CLI.
namespace: "-".to_string(),
// TODO(b/324436145): Populate with real values once API is available.
staged_value: None,
permission: FlagPermission::ReadOnly,
value_picked_from: ValuePickedFrom::Default,
});
}
}
Ok(result)
}
fn override_flag(_namespace: &str, _qualified_name: &str, _value: &str) -> Result<()> {
todo!()
}
}
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