Rewrite package repositories URLs

We want to have packages.sumologic.com instead of packagecloud.io, in
case we ever move away from PackageCloud.

As of now, packages.sumologic.com/sumologic redirects to
packagecloud.io/sumologic.

install-script/install.sh

@@ -970,6 +970,8 @@ function install_linux_package() {
     case $(get_package_manager) in
         yum | dnf)
             curl -s "${base_url}/script.rpm.sh" | bash
+            # Change packagecloud.io to packages.sumologic.com in the repo's configuration
+            sed -i 's/packagecloud.io/packages.sumologic.com' /etc/yum.repos.d/sumologic_stable.repo
             yum --quiet --disablerepo="*" --enablerepo="${repo_id}" -y update
             yum install --quiet -y "${package_name}-${VERSION}"
             ;;
@@ -981,6 +983,8 @@ function install_linux_package() {
             fi
             echo "Installing ${package_str}"
             curl -s "${base_url}/script.deb.sh" | bash
+            # Change packagecloud.io to packages.sumologic.com in the repo's configuration
+            sed -i 's/packagecloud.io/packages.sumologic.com' /etc/apt/sources.list.d/sumologic_stable.list
             apt-get update --quiet -y -o Dir::Etc::sourcelist="sources.list.d/${repo_id}"
             apt-get install --quiet -y "${package_str}"
             ;;