1 files changed, 37 insertions, 0 deletions
diff --git a/src/spec.rs b/src/spec.rs
new file mode 100644
index 0000000..1209040
--- /dev/null
+++ b/src/spec.rs
@@ -0,0 +1,37 @@
+use serde::{Deserialize, Serialize};
+use std::path::PathBuf;
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Specification {
+    pub name: String,
+
+    #[serde(default)]
+    pub ssh_key_files: Vec<PathBuf>,
+
+    pub base: PathBuf,
+    pub image: PathBuf,
+    pub image_size_gib: u64,
+    pub memory_mib: u64,
+    pub cpus: u64,
+}
+
+#[derive(Debug, thiserror::Error)]
+pub enum SpecificationError {
+    #[error(transparent)]
+    IoError(#[from] std::io::Error),
+
+    #[error(transparent)]
+    FromUtf8Error(#[from] std::string::FromUtf8Error),
+}
+
+impl Specification {
+    pub fn ssh_keys(&self) -> Result<String, SpecificationError> {
+        let mut keys = String::new();
+        for filename in self.ssh_key_files.iter() {
+            let key = std::fs::read(filename)?;
+            let key = String::from_utf8(key)?;
+            keys.push_str(&key);
+        }
+        Ok(keys)
+    }
+}