1 files changed, 115 insertions, 0 deletions
diff --git a/src/garage/cli_v2/util.rs b/src/garage/cli_v2/util.rs
new file mode 100644
index 00000000..78399b0d
--- /dev/null
+++ b/src/garage/cli_v2/util.rs
@@ -0,0 +1,115 @@
+use bytesize::ByteSize;
+use format_table::format_table;
+
+use garage_util::error::Error;
+
+use garage_api::admin::api::*;
+
+pub fn capacity_string(v: Option<u64>) -> String {
+	match v {
+		Some(c) => ByteSize::b(c).to_string_as(false),
+		None => "gateway".to_string(),
+	}
+}
+
+pub fn get_staged_or_current_role(
+	id: &str,
+	layout: &GetClusterLayoutResponse,
+) -> Option<NodeRoleResp> {
+	for node in layout.staged_role_changes.iter() {
+		if node.id == id {
+			return match &node.action {
+				NodeRoleChangeEnum::Remove { .. } => None,
+				NodeRoleChangeEnum::Update {
+					zone,
+					capacity,
+					tags,
+				} => Some(NodeRoleResp {
+					id: id.to_string(),
+					zone: zone.to_string(),
+					capacity: *capacity,
+					tags: tags.clone(),
+				}),
+			};
+		}
+	}
+
+	for node in layout.roles.iter() {
+		if node.id == id {
+			return Some(node.clone());
+		}
+	}
+
+	None
+}
+
+pub fn find_matching_node<'a>(
+	cand: impl std::iter::Iterator<Item = &'a str>,
+	pattern: &'a str,
+) -> Result<String, Error> {
+	let mut candidates = vec![];
+	for c in cand {
+		if c.starts_with(pattern) && !candidates.contains(&c) {
+			candidates.push(c);
+		}
+	}
+	if candidates.len() != 1 {
+		Err(Error::Message(format!(
+			"{} nodes match '{}'",
+			candidates.len(),
+			pattern,
+		)))
+	} else {
+		Ok(candidates[0].to_string())
+	}
+}
+
+pub fn print_staging_role_changes(layout: &GetClusterLayoutResponse) -> bool {
+	let has_role_changes = !layout.staged_role_changes.is_empty();
+
+	// TODO!! Layout parameters
+	let has_layout_changes = false;
+
+	if has_role_changes || has_layout_changes {
+		println!();
+		println!("==== STAGED ROLE CHANGES ====");
+		if has_role_changes {
+			let mut table = vec!["ID\tTags\tZone\tCapacity".to_string()];
+			for change in layout.staged_role_changes.iter() {
+				match &change.action {
+					NodeRoleChangeEnum::Update {
+						tags,
+						zone,
+						capacity,
+					} => {
+						let tags = tags.join(",");
+						table.push(format!(
+							"{:.16}\t{}\t{}\t{}",
+							change.id,
+							tags,
+							zone,
+							capacity_string(*capacity),
+						));
+					}
+					NodeRoleChangeEnum::Remove { .. } => {
+						table.push(format!("{:.16}\tREMOVED", change.id));
+					}
+				}
+			}
+			format_table(table);
+			println!();
+		}
+		//TODO
+		/*
+		if has_layout_changes {
+			println!(
+				"Zone redundancy: {}",
+				staging.parameters.get().zone_redundancy
+			);
+		}
+		*/
+		true
+	} else {
+		false
+	}
+}