chore(renaming): use consistent naming

Ensure consistent naming convention is used.

Rename "mayastor-dependencies" to "io-engine-dependencies".
Rename the mayastor directory to io-engine.
Rename mayastor-client to io-engine-client

.gitmodules

@@ -4,6 +4,6 @@
 [submodule "spdk-rs"]
 	path = spdk-rs
 	url = https://github.com/mayadata-io/spdk-rs
-[submodule "utils/mayastor-dependencies"]
-	path = utils/mayastor-dependencies
+[submodule "utils/io-engine-dependencies"]
+	path = utils/io-engine-dependencies
 	url = https://github.com/openebs/mayastor-dependencies.git

Cargo.toml

@@ -5,10 +5,10 @@ panic = "abort"
 members = [
 	"jsonrpc",
 	"libnvme-rs",
-	"mayastor",
+	"io-engine",
 	"rpc",
 	"sysfs",
 	"composer",
 	"spdk-rs",
-	"utils/mayastor-dependencies/version-info",
+	"utils/io-engine-dependencies/version-info",
 ]

README.md

@@ -46,7 +46,7 @@ At a high-level, Mayastor consists of two major components.
 
 ### **Control plane:**
 
- * A microservices patterned control plane, centered around a core agent which publically exposes a RESTful API.  This is extended by a dedicated operator responsible 
+ * A microservices patterned control plane, centered around a core agent which publicly exposes a RESTful API.  This is extended by a dedicated operator responsible
  for managing the life cycle of "Mayastor Pools" (an abstraction for devices supplying the cluster with persistent backing storage) and a CSI compliant external provisioner (controller).
  Source code for the control plane components is located in its [own repository](https://github.com/openebs/mayastor-control-plane)
 
@@ -82,8 +82,8 @@ You can also directly use the nexus from within your application code. For examp
 </p>
 
 ```rust
-use mayastor::descriptor::{Descriptor, DmaBuf};
-use mayastor::bdev::nexus::nexus_bdev::nexus_create;
+use io_engine::descriptor::{Descriptor, DmaBuf};
+use io_engine::bdev::nexus::nexus_bdev::nexus_create;
 
 let children = vec![
       "aio:////disk1.img?blk_size=512".to_string(),
@@ -180,21 +180,21 @@ $ dd if=/dev/zero of=/tmp/disk bs=1024 count=102400
 102400+0 records out
 104857600 bytes (105 MB, 100 MiB) copied, 0.235195 s, 446 MB/s
 $ sudo losetup /dev/loop8 /tmp/disk
-$ mayastor-client pool create tpool /dev/loop8
-$ mayastor-client pool list
+$ io-engine-client pool create tpool /dev/loop8
+$ io-engine-client pool list
 NAME                 STATE        CAPACITY         USED   DISKS
 tpool                0            96.0 MiB          0 B   tpool
-$ mayastor-client replica create tpool replica1 --size=10
-$ mayastor-client replica create tpool replica2 --size=1000 --thin
-$ mayastor-client replica list
+$ io-engine-client replica create tpool replica1 --size=10
+$ io-engine-client replica create tpool replica2 --size=1000 --thin
+$ io-engine-client replica list
 POOL                 NAME                 THIN           SIZE
 tpool                replica1             false       10.0 MiB
 tpool                replica2             true         1.0 GiB
-$ mayastor-client replica destroy tpool replica1
-$ mayastor-client replica destroy tpool replica2
-$ mayastor-client replica list
+$ io-engine-client replica destroy tpool replica1
+$ io-engine-client replica destroy tpool replica2
+$ io-engine-client replica list
 No replicas have been created
-$ mayastor-client pool destroy tpool
+$ io-engine-client pool destroy tpool
 ```
 
 ## Links

ci.nix

@@ -3,7 +3,7 @@ let
   sources = import ./nix/sources.nix;
   pkgs = import sources.nixpkgs {
     overlays =
-      [ (_: _: { inherit sources; }) (import ./nix/mayastor-overlay.nix) ];
+      [ (_: _: { inherit sources; }) (import ./nix/io-engine-overlay.nix) ];
   };
 in
 with pkgs;
@@ -18,7 +18,7 @@ let
     (ps: with ps; [ virtualenv grpcio grpcio-tools asyncssh black ]);
 in
 mkShell {
-  name = "mayastor-dev-shell";
+  name = "io-engine-dev-shell";
   # fortify does not work with -O0 which is used by spdk when --enable-debug
   hardeningDisable = [ "fortify" ];
   buildInputs = [
@@ -57,9 +57,9 @@ mkShell {
   ++ pkgs.lib.optional (!norust) channel.nightly;
 
   RUST_NIGHTLY_PATH = channel.nightly;
-  LIBCLANG_PATH = mayastor.LIBCLANG_PATH;
-  PROTOC = mayastor.PROTOC;
-  PROTOC_INCLUDE = mayastor.PROTOC_INCLUDE;
+  LIBCLANG_PATH = io-engine.LIBCLANG_PATH;
+  PROTOC = io-engine.PROTOC;
+  PROTOC_INCLUDE = io-engine.PROTOC_INCLUDE;
   SPDK_PATH = if nospdk then null else "${libspdk-dev}";
 
   shellHook = ''

composer/src/lib.rs

@@ -415,7 +415,7 @@ impl Builder {
     pub fn add_container(mut self, name: &str) -> Builder {
         self.containers.push(ContainerSpec::from_binary(
             name,
-            Binary::from_dbg("mayastor"),
+            Binary::from_dbg("io-engine"),
         ));
         self
     }
@@ -1306,14 +1306,14 @@ mod tests {
         let test = Builder::new()
             .name("composer")
             .network("10.1.0.0/16")
-            .add_container("mayastor")
-            .add_container_bin("mayastor2", Binary::from_dbg("mayastor"))
+            .add_container("io-engine")
+            .add_container_bin("mayastor2", Binary::from_dbg("io-engine"))
             .with_clean(true)
             .build()
             .await
             .unwrap();
 
-        let mut hdl = test.grpc_handle("mayastor").await.unwrap();
+        let mut hdl = test.grpc_handle("io-engine").await.unwrap();
         hdl.mayastor.list_nexus(Null {}).await.expect("list nexus");
 
         // run with --nocapture to get the logs

default.nix

@@ -1,13 +1,12 @@
-{
-    crossSystem ? null
+{ crossSystem ? null
 }:
 
 let
   sources = import ./nix/sources.nix;
   pkgs = import sources.nixpkgs {
     overlays = [
       (_: _: { inherit sources; })
-      (import ./nix/mayastor-overlay.nix)
+      (import ./nix/io-engine-overlay.nix)
     ];
     inherit crossSystem;
   };

doc/build.md

@@ -158,7 +158,7 @@ nix shell -f . mayastor
 In order to make an artifact which can be distributed, we use [`nix bundle`][nix-bundle].
 
 > **TODO:** We currently don't generate bundles some executables, such as
-> `mayastor-client`. This is coming.
+> `io-engine-client`. This is coming.
 
 ```bash
 for BUNDLE in mayastor; do
@@ -182,7 +182,7 @@ Build the Docker images with [`nix build`][nix-build]:
 
 ```bash
 for IMAGE in \
-  mayastor-client mayastor mayastor-csi mayastor-client kiiss-service \
+  io-engine-client mayastor mayastor-csi io-engine-client kiiss-service \
   node-service volume-service pool-service rest-service node-operator; \
 do
   echo "Building ${IMAGE} to artifacts/docker/${IMAGE}.tar"; \