[bug#33893] [PATCH 1/2] gnu: Add docker-engine.

[Danny Milosavljevic]

* gnu/packages/docker.scm (%docker-version): New variable.
(docker-engine): New variable.  Export it.
---
 gnu/packages/docker.scm | 83 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)

diff --git a/gnu/packages/docker.scm b/gnu/packages/docker.scm
index c58f3f3ca..3d1a90fc7 100644
--- a/gnu/packages/docker.scm
+++ b/gnu/packages/docker.scm
@@ -23,12 +23,18 @@
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix git-download)
+  #:use-module (guix build-system gnu)
   #:use-module (guix build-system python)
   #:use-module (guix utils)
   #:use-module (gnu packages check)
+  #:use-module (gnu packages golang)
+  #:use-module (gnu packages linux)
+  #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages python)
   #:use-module (gnu packages python-web))
 
+(define %docker-version "18.09.0")
+
 (define-public python-docker-py
   (package
     (name "python-docker-py")
@@ -142,3 +148,80 @@ created and all the services are started as specified in 
the configuration.")
 store API.  It allows programmers to interact with a Docker registry using
 Python without keeping their credentials in a Docker configuration file.")
     (license license:asl2.0)))
+
+(define-public docker-engine
+  (package
+    (name "docker-engine")
+    (version %docker-version)
+    (source
+     (origin
+      (method git-fetch)
+      (uri (git-reference
+            (url "https://github.com/docker/engine.git";)
+            (commit (string-append "v" version))))
+      (file-name (git-file-name name version))
+      (sha256
+       (base32
+        "1liqbx58grqih6m8hz9y20y5waflv19pv15l3wl64skap2bsn21c"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:modules
+       ((guix build gnu-build-system)
+        ((guix build go-build-system) #:prefix go:)
+        (guix build utils))
+       #:imported-modules
+       (,@%gnu-build-system-modules
+        (guix build go-build-system))
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'configure
+           (lambda _
+             (setenv "DOCKER_GITCOMMIT" (string-append "v" ,%docker-version))
+             (setenv "AUTO_GOPATH" "1")
+             ;; Respectively, strip the symbol table and debug
+             ;; information, and the DWARF symbol table.
+             (setenv "LDFLAGS" "-s -w")
+             ;; Our LD doesn't like the statically linked relocatable things
+             ;; that go produces, so install the dynamic version of
+             ;; dockerd instead.
+             ;(substitute* "hack/make/install-binary"
+             ; (("/binary-daemon") "/dynbinary-daemon"))
+             #t))
+         (add-before 'build 'setup-environment
+           (assoc-ref go:%standard-phases 'setup-environment))
+         (replace 'build
+           (lambda _
+             ;(invoke "hack/make.sh" "binary")
+             ; FIXME: bash -c 'hack/validate/default && hack/make.sh'
+             (invoke "hack/make.sh" "dynbinary")))
+         (replace 'check
+           (lambda _
+             ; FIXME: Those don't find any of the go packages
+             ; needed.  Probably GOPATH/GOROOT related.
+             ;(invoke "hack/test/unit")
+             #t))
+         (replace 'install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (out-bin (string-append out "/bin")))
+               (install-file "bundles/dynbinary-daemon/dockerd" out-bin)
+               (install-file "bundles/dynbinary-daemon/dockerd-dev" out-bin))
+             ;(setenv "DOCKER_MAKE_INSTALL_PREFIX" (assoc-ref outputs "out"))
+             ; TODO: KEEPBUNDLE=1
+             ;./source/bundles/dynbinary-daemon/dockerd
+             ;(invoke "hack/make.sh" "install-binary")
+             #t)))))
+    (inputs
+     `(("btrfs-progs" ,btrfs-progs)))
+    (native-inputs
+     `(("eudev" ,eudev) ; TODO: Should be propagated by lvm2 (.pc -> .pc)
+       ("go" ,go)
+       ("lvm2" ,lvm2)
+       ("pkg-config" ,pkg-config)))
+    (synopsis "Docker container component library")
+    (description "This package provides a framework to assemble specialized
+container systems.  It includes components for orchestration, image
+management, secret management, configuration management, networking,
+provisioning etc.")
+    (home-page "https://mobyproject.org/";)
+    (license license:asl2.0)))