question.rs

pub fn enable_volume_quota() -> Result<(), String> {
    // Gather our action parameters
    let volume = match juju::action_get("volume") {
        Ok(v) => v,
        Err(e) => {
            // Notify the user of the failure and then return the error up the stack
            juju::action_fail(&e.to_string()).map_err(|e| e.to_string())?;
            return Err(e.to_string());
        }
    };
    let usage_limit = match juju::action_get("usage-limit") {
        Ok(usage) => usage,
        Err(e) => {
            // Notify the user of the failure and then return the error up the stack
            juju::action_fail(&e.to_string()).map_err(|e| e.to_string())?;
            return Err(e.to_string());
        }
    };
    let parsed_usage_limit = u64::from_str(&usage_limit).map_err(|e| e.to_string())?;
    let path = match juju::action_get("path") {
        Ok(p) => p,
        Err(e) => {
            // Notify the user of the failure and then return the error up the stack
            juju::action_fail(&e.to_string()).map_err(|e| e.to_string())?;
            return Err(e.to_string());
        }
    };

    // Turn quotas on if not already enabled
    let quotas_enabled = gluster::volume_quotas_enabled(&volume).map_err(|e| e.to_string())?;
    if !quotas_enabled {
        gluster::volume_enable_quotas(&volume).map_err(|e| e.to_string())?;
    }

    gluster::volume_add_quota(&volume, PathBuf::from(path), parsed_usage_limit)
        .map_err(|e| e.to_string())?;
    Ok(())
}