ci: kTLS specific nix devShell

codebuild/spec/buildspec_ktls.yml

@@ -1,24 +1,34 @@
 ---
 version: 0.2
+env:
+  shell: bash
 phases:
   install:
     commands:
       - apt update
       - apt upgrade -y
       - apt install -y qemu qemu-system-x86 wget cloud-image-utils
-  pre_build:
-    commands:
+      - mkdir ~/.ssh; echo -e "Host localhost\nUser codebuild\nPort 2222" > ~/.ssh/config
       - aws s3 --quiet sync s3://s2n-ktls-testing ./qemu
       - cd qemu; bash ./run.sh; cd ..
       - rsync -avz --exclude=qemu --exclude=tests/fuzz -e 'ssh -p 2222' . codebuild@localhost:/home/codebuild/s2n-tls
   build:
     commands:
-      - codebuild-breakpoint
       - |
-        ssh -p 2222 codebuild@localhost " \
+        ssh localhost " \
             cd s2n-tls; sudo modprobe tls; \
             export S2N_CMAKE_OPTIONS=${S2N_CMAKE_OPTIONS}; \
             export S2N_KTLS_TESTING_EXPECTED=1; \
-            nix develop .#openssl111 --command bash -c \
-                'source ./nix/shell.sh && clean && configure && unit' \
+            nix develop .#minimal --command bash -c \
+                'source ./nix/shell.sh && clean && configure' \
+        "
+  post_build:
+    commands:
+      - |
+        ssh localhost " \
+            cd s2n-tls; \
+            export S2N_CMAKE_OPTIONS=${S2N_CMAKE_OPTIONS}; \
+            export S2N_KTLS_TESTING_EXPECTED=1; \
+            nix develop .#minimal --command bash -c \
+                'source ./nix/shell.sh && unit' \
         "

flake.nix

@@ -171,7 +171,17 @@
               source ${writeScript ./nix/shell.sh}
             '';
           });
-
+        devShells.minimal = pkgs.mkShell {
+          # Minimal unit test environment with aws-lc.
+          # This is not an over-ride like the other shells.
+          buildInputs = [ pkgs.cmake aws-lc ];
+          S2N_LIBCRYPTO = "awslc";
+          shellHook = ''
+            echo Setting up $S2N_LIBCRYPTO environment from flake.nix...
+            export PS1="[nix $S2N_LIBCRYPTO] $PS1"
+            source ${writeScript ./nix/shell.sh}
+          '';
+        };
         # Used to backup the devShell to s3 for caching.
         packages.devShell = devShells.default.inputDerivation;
         packages.default = packages.s2n-tls;