fix: use same package manager for k3s-selinux removal as for installation

install.sh

@@ -511,7 +511,7 @@ get_pr_artifact_url() {
     if [ -z "${commit_id}" ]; then
         fatal "Installing PR builds requires GITHUB_TOKEN with k3s-io/k3s repo permissions"
     fi
-    
+
     get_commit_artifact_url "${commit_id}"
 }
 
@@ -968,19 +968,51 @@ rm -rf /var/lib/kubelet
 rm -f ${BIN_DIR}/k3s
 rm -f ${KILLALL_K3S_SH}
 
-if type yum >/dev/null 2>&1; then
-    yum remove -y k3s-selinux
-    rm -f /etc/yum.repos.d/rancher-k3s-common*.repo
-elif type rpm-ostree >/dev/null 2>&1; then
-    rpm-ostree uninstall k3s-selinux
-    rm -f /etc/yum.repos.d/rancher-k3s-common*.repo
-elif type zypper >/dev/null 2>&1; then
+# uninstall k3s-selinux package if a compatible package manager is found
+zypper_remove_selinux_rpm() {
     uninstall_cmd="zypper remove -y k3s-selinux"
     if [ "\${TRANSACTIONAL_UPDATE=false}" != "true" ] && [ -x /usr/sbin/transactional-update ]; then
         uninstall_cmd="transactional-update --no-selfupdate -d run \$uninstall_cmd"
     fi
-    $SUDO \$uninstall_cmd
+    \$uninstall_cmd
+}
+dnf_remove_selinux_rpm() {
+    package_manager=dnf
+    # yum is only needed for rhel 7, which is EOM since 2024 anyway
+    if ! type dnf >/dev/null 2>&1; then
+        package_manager=yum
+    fi
+    \$package_manager remove -y k3s-selinux
+}
+rpm_ostree_uninstall_cmd="rpm-ostree uninstall --idempotent k3s-selinux"
+
+# shellcheck source=/dev/null
+[ -r /etc/os-release ] && . /etc/os-release
+
+if [ "\$(expr "\${ID_LIKE}" : ".*suse.*")" != 0 ]; then
+    zypper_remove_selinux_rpm
+# cover any standard & atomic rhel/centos/fedora + derivatives like amazon linux
+elif [ "\${ID:-}" = fedora ] || [ "\$(expr "\${ID_LIKE}" : ".*fedora.*\|.*rhel.*\|.*centos.*")" != 0 ]; then
+    if [ -n "\${OSTREE_VERSION:-}" ]; then
+        \$rpm_ostree_uninstall_cmd
+    else
+        dnf_remove_selinux_rpm
+    fi
+# if we did not match yet just check for package managers commonly found on selinux-enabled distributions
+elif type rpm-ostree >/dev/null 2>&1; then
+    \$rpm_ostree_uninstall_cmd
+elif type zypper >/dev/null 2>&1; then
+    zypper_remove_selinux_rpm
+elif type yum >/dev/null 2>&1; then
+    dnf_remove_selinux_rpm
+elif [ -d /usr/share/selinux ]; then
+    echo '[WARN] Automatic removal of "k3s-selinux" package not possible, please remove it manually.' >&2
+fi
+
+if [ -d /etc/zypp/repos.d ]; then
     rm -f /etc/zypp/repos.d/rancher-k3s-common*.repo
+elif [ -d /etc/yum.repos.d ]; then
+    rm -f /etc/yum.repos.d/rancher-k3s-common*.repo
 fi
 EOF
     $SUDO chmod 755 ${UNINSTALL_K3S_SH}

install.sh.sha256sum

@@ -1 +1 @@
-448f9207d4d566066269d5f8950a457aced691aadf9d455a98dfd1dc1b75bef3  install.sh
+da0e70ee96ecbf9b38bd03e62ea2e8780200b492226f3571a5cb42a74af16515  install.sh