Fix for canonical#169 'snap execution of /usr/bin/ssh fails'

canonical#170

added ssh-keys interface
added ssh-public-keys interface
added openssh-client for staging
added bind-file layout for /use/bin/ssh

snap/snapcraft.yaml

@@ -1,6 +1,6 @@
 name: docker
 #title: Docker
-version: '24.0.5'
+version: "24.0.5"
 summary: Docker container runtime
 description: |
   Build and run container images with Docker.
@@ -47,12 +47,14 @@ layout:
     bind-file: $SNAP_DATA/etc/gitconfig
   /usr/libexec/docker/cli-plugins:
     symlink: $SNAP/usr/libexec/docker/cli-plugins
+  /usr/bin/ssh:
+    bind-file: $SNAP/usr/bin/ssh
 
 environment:
   GIT_EXEC_PATH: "$SNAP/usr/lib/git-core"
   GIT_TEMPLATE_DIR: "$SNAP/usr/share/git-core/templates"
   # For nvidia support #
-  LD_LIBRARY_PATH:    $SNAP/graphics/lib/${CRAFT_ARCH_TRIPLET}:${SNAP}/lib/:${SNAP}/lib/${CRAFT_ARCH_TRIPLET}:${SNAP}/usr/lib/:${SNAP}/usr/lib/${CRAFT_ARCH_TRIPLET}
+  LD_LIBRARY_PATH: $SNAP/graphics/lib/${CRAFT_ARCH_TRIPLET}:${SNAP}/lib/:${SNAP}/lib/${CRAFT_ARCH_TRIPLET}:${SNAP}/usr/lib/:${SNAP}/usr/lib/${CRAFT_ARCH_TRIPLET}
   LIBGL_DRIVERS_PATH: $SNAP/graphics/lib/${CRAFT_ARCH_TRIPLET}/dri
   LIBVA_DRIVERS_PATH: $SNAP/graphics/lib/${CRAFT_ARCH_TRIPLET}/dri
   # nvidia-container-runtime can only set alternative config directory via XDG_CONFIG_HOME #
@@ -104,6 +106,8 @@ apps:
       - network
       - home
       - removable-media
+      - ssh-keys
+      - ssh-public-keys
 
   dockerd:
     command: bin/dockerd-wrapper
@@ -165,6 +169,13 @@ parts:
       - jq
       - pciutils
 
+  ssh:
+    plugin: nil
+    stage-packages:
+      - openssh-client
+    # stage:
+    #   - /usr/bin/ssh
+
   engine:
     plugin: make
     source: https://github.com/moby/moby.git
@@ -192,7 +203,7 @@ parts:
       # install docker-proxy previously provided by libnetwork part
       install -T bundles/dynbinary-daemon/docker-proxy "$CRAFT_PART_INSTALL/bin/docker-proxy"
     # https://github.com/moby/moby/blob/v24.0.5/Dockerfile.simple (Docker-supported Go version for Engine)
-    build-snaps: &go ['go/1.20/stable']
+    build-snaps: &go ["go/1.20/stable"]
     # we get weird behavior if we mix/match Go versions throughout this one snapcraft.yml, so we use a YAML reference here to ensure we're always consistent throughout
     after: [wrapper-scripts]
     build-packages:
@@ -299,7 +310,7 @@ parts:
     source-tag: v0.19.0
     source-depth: 1
     organize:
-      'usr/local/bin/tini-static': bin/docker-init
+      "usr/local/bin/tini-static": bin/docker-init
     build-packages:
       - build-essential
     prime:
@@ -366,5 +377,4 @@ lint:
     - library:
         - usr/lib/**/libltdl.so.*
         - usr/lib/**/libnvidia-container-go.so.*
-
 # vim:set et ts=2 sw=2: