graphman: Add graphman create

node/src/bin/manager.rs

@@ -102,6 +102,11 @@ pub enum Command {
         /// The name of the subgraph to remove
         name: String,
     },
+    /// Create a subgraph name
+    Create {
+        /// The name of the subgraph to create
+        name: String,
+    },
     /// Assign or reassign a deployment
     Reassign {
         /// The id of the deployment to reassign
@@ -453,6 +458,7 @@ async fn main() {
             }
         }
         Remove { name } => commands::remove::run(ctx.subgraph_store(), name),
+        Create { name } => commands::create::run(ctx.subgraph_store(), name),
         Unassign { id, shard } => commands::assign::unassign(ctx.subgraph_store(), id, shard),
         Reassign { id, node, shard } => {
             commands::assign::reassign(ctx.subgraph_store(), id, node, shard)

node/src/manager/commands/create.rs

@@ -0,0 +1,14 @@
+use std::sync::Arc;
+
+use graph::prelude::{anyhow, Error, SubgraphName, SubgraphStore as _};
+use graph_store_postgres::SubgraphStore;
+
+pub fn run(store: Arc<SubgraphStore>, name: String) -> Result<(), Error> {
+    let name = SubgraphName::new(name.clone())
+        .map_err(|()| anyhow!("illegal subgraph name `{}`", name))?;
+
+    println!("creating subgraph {}", name);
+    store.create_subgraph(name)?;
+
+    Ok(())
+}

node/src/manager/commands/mod.rs

@@ -1,6 +1,7 @@
 pub mod assign;
 pub mod config;
 pub mod copy;
+pub mod create;
 pub mod info;
 pub mod listen;
 pub mod query;