Drop support for Ubuntu precise

Ubuntu 12.04 LTS reached its regular End of Life on April 28, 2017.

Depends-On: I5e145095a10db112bb27516bfe652d2cdc052a61
Change-Id: I64af4c5183d77a75dcd062895d19b0a1330c8da8

diskimage_builder/elements/base/pre-install.d/03-baseline-tools

@@ -12,10 +12,6 @@ case $DISTRO_NAME in
         # Note: add-apt-repository would be nice for RPM platforms too - so when we
         # need something like it, create a wrapper in dpkg/bin and fedora/bin.
         apt-get -y update
-        if [ "${DIB_RELEASE}" = "precise" ]; then
-            install-packages python-software-properties
-        else
-            install-packages software-properties-common
-        fi
+        install-packages software-properties-common
         ;;
 esac

diskimage_builder/elements/bootloader/finalise.d/50-bootloader

@@ -175,7 +175,7 @@ function install_grub2 {
     # grub-mkconfig generates a config with the device in it,
     # This shouldn't be needed, but old code has bugs
     DIB_RELEASE=${DIB_RELEASE:-}
-    if [ "$DIB_RELEASE" = 'precise' ] || [ "$DIB_RELEASE" = 'wheezy' ]; then
+    if [ "$DIB_RELEASE" = 'wheezy' ]; then
         sed -i "s%search --no.*%%" $GRUB_CFG
         sed -i "s%set root=.*%set root=(hd0,1)%" $GRUB_CFG
     fi

diskimage_builder/elements/cloud-init-datasources/install.d/05-set-cloud-init-sources

@@ -15,17 +15,9 @@ if [ -z "$DIB_CLOUD_INIT_DATASOURCES" ] ; then
 fi
 
 if [ -d /etc/cloud/cloud.cfg.d ]; then
-    # DatasourceNone doesn't exist in Ubuntu 12.04 (Precise)
-    # which uses cloud-init version 0.6.3
-    if [ "$(lsb_release -cs)" = 'precise' ] ; then
-        cat > /etc/cloud/cloud.cfg.d/91-dib-cloud-init-datasources.cfg <<EOF
-datasource_list: [  $DIB_CLOUD_INIT_DATASOURCES ]
-EOF
-    else
-        cat > /etc/cloud/cloud.cfg.d/91-dib-cloud-init-datasources.cfg <<EOF
+    cat > /etc/cloud/cloud.cfg.d/91-dib-cloud-init-datasources.cfg <<EOF
 datasource_list: [  $DIB_CLOUD_INIT_DATASOURCES, None ]
 EOF
-    fi
     # Newer cloud-init versions complain by default when they should
     # use the Ec2 datasource on a non-AWS cloud.  If the Ec2
     # datasource is desired, we need to tell cloud-init that we really

diskimage_builder/elements/debootstrap/package-installs.yaml

@@ -1,6 +1,5 @@
 adduser:
 ca-certificates:
-cloud-initramfs-growroot:
 locales:
 lsb-release:
   phase: pre-install.d

diskimage_builder/elements/debootstrap/pkg-map

@@ -1,11 +1,4 @@
 {
-  "release": {
-    "ubuntu": {
-      "precise": {
-        "cloud-initramfs-growroot": "cloud-initramfs-growroot"
-       }
-     }
-   },
   "default": {
     "cloud-initramfs-growroot": ""
   }

diskimage_builder/elements/dib-python/environment.d/50-dib-python-version

@@ -1,9 +1,7 @@
 # Pick which distros we need to force python2
 if [ -z "${DIB_PYTHON_VERSION:-}" ]; then
     if [ "$DISTRO_NAME" == "ubuntu" ]; then
-        if [ "$DIB_RELEASE" == "precise" ]; then
-            DIB_PYTHON_VERSION=2
-        elif [ "$DIB_RELEASE" == "trusty" ]; then
+        if [ "$DIB_RELEASE" == "trusty" ]; then
             DIB_PYTHON_VERSION=2
         fi
     elif [ "$DISTRO_NAME" == "debian" ]; then

diskimage_builder/elements/ubuntu-core/root.d/10-cache-ubuntu-image

@@ -17,10 +17,12 @@ shopt -s extglob
 DIB_RELEASE=${DIB_RELEASE:-trusty}
 
 declare -A release_numbers
-release_numbers[precise]=12.04
 release_numbers[trusty]=14.04
 release_numbers[vivid]=15.04
 release_numbers[wily]=15.10
+release_numbers[xenial]=16.04
+release_numbers[yakkety]=16.10
+release_numbers[zesty]=17.04
 
 numeric_release=${release_numbers[$DIB_RELEASE]}
 DIB_CLOUD_IMAGES=${DIB_CLOUD_IMAGES:-http://cdimage.ubuntu.com/ubuntu-core/releases/$numeric_release/release}

diskimage_builder/elements/ubuntu-minimal/test-elements/precise-build-succeeds/README.rst

@@ -1 +0,0 @@
-Verify we can build a ubuntu-minimal image.

diskimage_builder/elements/ubuntu-minimal/test-elements/precise-build-succeeds/environment.d/10-set-distro.bash

@@ -1 +0,0 @@
-export DIB_RELEASE=precise

tests/run_functests.sh

@@ -32,7 +32,6 @@ DEFAULT_SKIP_TESTS=(
     gentoo/build-succeeds
     opensuse/build-succeeds
     opensuse/opensuse423-build-succeeds
-    ubuntu-minimal/precise-build-succeeds
     # good to have the test case around - but because of changes
     # in testing does not work always.
     debian-minimal/testing-build-succeeds