Merge pull request moby#18809 from thaJeztah/EOL-ubuntu-15.04-vivid

Remove Ubuntu 15.04 (Vivid) from DEB build for 1.10 as it will be EOL

contrib/builder/deb/generate.sh

@@ -104,11 +104,11 @@ for version in "${versions[@]}"; do
 
 	echo >> "$version/Dockerfile"
 
-	# debian jessie & ubuntu trusty/vivid do not have a libseccomp.a for compiling static dockerinit
+	# debian jessie & ubuntu trusty do not have a libseccomp.a for compiling static dockerinit
 	# ONLY install libseccomp.a from source, this can be removed once dockerinit is removed
 	# TODO remove this manual seccomp compilation once dockerinit is gone or no longer needs to be statically compiled
 	case "$suite" in
-		jessie|trusty|vivid)
+		jessie|trusty)
 			awk '$1 == "ENV" && $2 == "SECCOMP_VERSION" { print; exit }' ../../../Dockerfile >> "$version/Dockerfile"
 			cat <<-'EOF' >> "$version/Dockerfile"
 			RUN buildDeps=' \

docs/installation/ubuntulinux.md

@@ -14,7 +14,6 @@ weight = -6
 Docker is supported on these Ubuntu operating systems:
 
 - Ubuntu Wily 15.10
-- Ubuntu Vivid 15.04
 - Ubuntu Trusty 14.04 (LTS)
 - Ubuntu Precise 12.04 (LTS)
 
@@ -23,7 +22,8 @@ installation mechanisms. Using these packages ensures you get the latest release
 of Docker. If you wish to install using Ubuntu-managed packages, consult your
 Ubuntu documentation.
 
->**Note**: Ubuntu Utopic 14.10 exists in Docker's `apt` repository but it is no longer officially supported.
+>**Note**: Ubuntu Utopic 14.10 and 15.04 exist in Docker's `apt` repository but
+> are no longer officially supported.
 
 ## Prerequisites
 
@@ -75,10 +75,6 @@ packages from the new repository:
 
             deb https://apt.dockerproject.org/repo ubuntu-trusty main
 
-    - On Ubuntu Vivid 15.04
-
-            deb https://apt.dockerproject.org/repo ubuntu-vivid main
-
     - Ubuntu Wily 15.10
 
             deb https://apt.dockerproject.org/repo ubuntu-wily main

hack/make/release-deb

@@ -7,8 +7,8 @@ set -e
 # 	deb http://apt.dockerproject.org/repo $distro-$release $version
 #
 # For example:
-#	deb http://apt.dockerproject.org/repo ubuntu-trusy main
-#	deb http://apt.dockerproject.org/repo ubuntu-vivid testing
+#	deb http://apt.dockerproject.org/repo ubuntu-trusty main
+#	deb http://apt.dockerproject.org/repo ubuntu-trusty testing
 #	deb http://apt.dockerproject.org/repo debian-wheezy experimental
 #	deb http://apt.dockerproject.org/repo debian-jessie main
 #