Install install-distro-packages.sh only for legacy jobs

Move install-distro-packages.sh from project-config to here so that we
can install it with legacy jobs only.
Add it to legacy/pre.yaml script.

Change-Id: I607baac9308abf7149b71419b9bb4c3c162677bf

playbooks/legacy/install-distro-packages.sh

@@ -0,0 +1,63 @@
+#!/bin/bash -xe
+
+# set a default path to the preinstalled bindep entrypoint
+export BINDEP=${BINDEP:-/usr/bindep-env/bin/bindep}
+
+function is_fedora {
+    [ -f /usr/bin/yum ] && cat /etc/*release | grep -q -e "Fedora"
+}
+
+YUM=yum
+if is_fedora; then
+    YUM=dnf
+fi
+
+# figure out which bindep list to use
+if [ -n "$PACKAGES" ] ; then
+    # already set in the calling environment
+    :
+elif [ -e bindep.txt ] ; then
+    # project has its own bindep list
+    export PACKAGES=bindep.txt
+elif [ -e other-requirements.txt ] ; then
+    # project has its own bindep list
+    export PACKAGES=other-requirements.txt
+else
+    # use the bindep fallback list preinstalled on the worker
+    export PACKAGES=/usr/local/jenkins/common_data/bindep-fallback.txt
+fi
+
+# an install loop, retrying to check that all requested packages are obtained
+try=0
+# Install test profile using bindep
+until $BINDEP -b -f $PACKAGES test; do
+    if [ $try -gt 2 ] ; then
+        set +x
+        echo -e "\nERROR: These requested packages were not installed:\n" \
+            "\n`$BINDEP -b -f $PACKAGES test`\n" 1>&2
+        set -x
+        exit 1
+    fi
+
+    # don't abort inside the loop, we check for the desired outcome
+    set +e
+    if apt-get -v >/dev/null 2>&1 ; then
+        sudo apt-get -qq update
+        sudo PATH=/usr/sbin:/sbin:$PATH DEBIAN_FRONTEND=noninteractive \
+            apt-get -q --option "Dpkg::Options::=--force-confold" \
+            --assume-yes install `$BINDEP -b -f $PACKAGES test`
+    elif emerge --version >/dev/null 2>&1 ; then
+        sudo emerge -uDNq --jobs=4 @world
+        sudo PATH=/usr/sbin:/sbin:$PATH emerge -q --jobs=4 \
+            `$BINDEP -b -f $PACKAGES test`
+    elif zypper --version >/dev/null 2>&1 ; then
+        sudo PATH=/usr/sbin:/sbin:$PATH zypper --non-interactive install \
+            `$BINDEP -b -f $PACKAGES test`
+    else
+        sudo PATH=/usr/sbin:/sbin:$PATH $YUM install -y \
+            `$BINDEP -b -f $PACKAGES test`
+    fi
+    set -e
+
+    try=$(( $try+1 ))
+done

playbooks/legacy/pre.yaml

@@ -44,11 +44,14 @@
         - id_rsa
         - id_rsa.pub
 
-    - name: Copy zuul-sudo-grep.sh to the script dir on the node
+    - name: Copy files to the script dir on the node
       copy:
-        dest: /usr/local/jenkins/slave_scripts/zuul-sudo-grep.sh
-        src: zuul-sudo-grep.sh
+        dest: '/usr/local/jenkins/slave_scripts/{{ item }}'
+        src: '{{ item }}'
         mode: 0755
+      with_items:
+        - install-distro-packages.sh
+        - zuul-sudo-grep.sh
       become: true
 
     - name: Add sudoers role for zuul-sudo-grep.sh