Read minio instance secret key

src/secrets.rs

@@ -0,0 +1,20 @@
+use k8s_openapi::api::core::v1::Secret;
+
+#[derive(thiserror::Error, Debug)]
+enum SecretError {
+    #[error("Secret has no data!")]
+    MissingData,
+    #[error("The key '{0}' is not present in the secret!")]
+    MissingKey(String),
+}
+
+/// Attempt to read a value contained in a secret. Returns an error in case
+/// of failure
+pub fn read_secret_str(s: &Secret, key: &str) -> anyhow::Result<String> {
+    let data =  s.data.as_ref().ok_or(SecretError::MissingData)?;
+
+    let value = data.get(key)
+        .ok_or(SecretError::MissingKey(key.to_string()))?;
+
+    Ok(String::from_utf8(value.0.clone())?)
+}