Adding snippets/tpl.041.network-el9.sh

diff --git a/snippets/tpl.041.network-el9.sh b/snippets/tpl.041.network-el9.sh
new file mode 100644 (file)
index 0000000..e101b6c
--- /dev/null
+++ b/snippets/tpl.041.network-el9.sh
@@ -0,0 +1,142 @@
+## !/bin/bash
+#raw
+
+#-----------------------------------------------------------
+create_networkconfig() {
+
+    echo -e "\e[0Ksection_start:$( date +%s ):ks_create_networkconfig[collapsed=true]\r\e[0KGenerating network configuration ..."
+    echo
+    echo "${HASH_LINE}"
+    echo
+    log "Generating network configuration ..."
+
+    local temp_dir=$( mktemp -p /tmp -d 'tmp.XXXXXXXXXX.cobbler' )
+    local tmp_nw_cfg="${temp_dir}/network"
+    local tmp_nw_script_dir="${temp_dir}/network-scripts"
+    local nw_script_dir="/etc/sysconfig/network-scripts"
+    local nw_old_dir="${nw_script_dir}/.old"
+    local nm_cfg_dir='/etc/NetworkManager/system-connections'
+    local nm_old_dir="${nm_cfg_dir}/.old"
+    local ifcfg_file=
+    local if_uuid=$( uuidgen -r )
+
+    mkdir -pv "${tmp_nw_script_dir}"
+    mkdir -pv "${nw_old_dir}"
+    mkdir -pv "${nm_old_dir}"
+
+    echo "Generating /etc/sysconfig/network ..."
+
+    grep -v 'GATEWAY|HOSTNAME' /etc/sysconfig/network > "${tmp_nw_cfg}"
+    echo "GATEWAY=${gateway}"   >> "${tmp_nw_cfg}"
+    echo "HOSTNAME=${hostname}" >> "${tmp_nw_cfg}"
+    mv -v /etc/sysconfig/network "/etc/sysconfig/network.orig.$( date -r /etc/sysconfig/network +'%Y-%m-%d_%H:%M:%S' )"
+    mv -v "${tmp_nw_cfg}" /etc/sysconfig/network
+
+    echo "Generated /etc/sysconfig/network:"
+    cat /etc/sysconfig/network || true
+    echo
+
+    # Also set the hostname now, some applications require it
+    echo "Generating '/etc/hostname' ..."
+    /bin/hostname "${base_hostname}"
+    echo "${base_hostname}" > '/etc/hostname'
+
+    echo "Updating '/etc/hosts' ..."
+    echo >>'/etc/hosts'
+    echo "${ip_address_eth0}   ${hostname}     ${base_hostname}" >>'/etc/hosts'
+    echo "Generated /etc/hosts:"
+    cat '/etc/hosts' | true
+    echo
+
+    for ifcfg_file in ${nw_script_dir}/ifcfg-* ; do
+        if [[ ! -f "${ifcfg_file}" ]] ; then
+            continue
+        fi
+        local bname=$(basename "${ifcfg_file}" )
+        if [[ "${bname}" == "ifcfg-lo" ]] ; then
+            continue
+        fi
+        mv -v "${ifcfg_file}" "${nw_old_dir}"
+    done
+
+    for ifcfg_file in ${nm_cfg_dir}/*.nmconnection ; do
+        if [[ ! -f "${ifcfg_file}" ]] ; then
+            continue
+        fi
+        local bname=$( basename "${ifcfg_file}" .nmconnection )
+        if [[ "${bname}" == "lo" ]] ; then
+            continue
+        fi
+        mv -v "${ifcfg_file}" "${nm_old_dir}"
+    done
+
+    local dev_basename="${DEVNAME_ETH0}.nmconnection"
+    local dev_file="${tmp_nw_script_dir}/${dev_basename}"
+    echo "Generating '${dev_file}' ..."
+
+    cat <<-EOF >"${dev_file}"
+       [connection]
+       id=${DEVNAME_ETH0}
+       uuid=${if_uuid}
+       type=ethernet
+       interface-name=${DEVNAME_ETH0}
+
+       [ethernet]
+
+       [ipv4]
+       method=manual
+       address1=${IP_ADDRESS_ETH0}/${NETMASK_INT_ETH0},${gateway}
+       EOF
+
+    local i=1
+    local nameservers=
+    local searchdomains=
+    local ns=
+    local domain=
+
+    if [[ "${#NAMESERVERS[*]}" -gt 0 ]] ; then
+        for ns in "${NAMESERVERS[@]}" ; do
+            nameservers+="${ns};"
+        done
+        echo "dns=${nameservers}" >>"${dev_file}"
+    fi
+
+    if [[ "${#NS_SEARCH_DOMAINS[*]}" -gt 0 ]] ; then
+        for domain in "${NS_SEARCH_DOMAINS[@]}" ; do
+            searchdomains+="${domain};"
+        done
+        echo "dns-search=${searchdomains}" >>"${dev_file}"
+    fi
+
+    cat <<-EOF >>"${dev_file}"
+       dns-options=timeout:1,attempts:2
+
+       [ipv6]
+       addr-gen-mode=eui64
+       method=auto
+
+       [proxy]
+
+       EOF
+
+    chmod -v 0600 "${dev_file}"
+    mv -v "${dev_file}" "${nm_cfg_dir}"
+
+    rm -vrf "${temp_dir}"
+
+    echo "Generated NM configfile '${nm_cfg_dir}/${dev_basename}'"
+    cat "${nm_cfg_dir}/${dev_basename}" || true
+    echo
+
+    echo
+    echo "${HASH_LINE}"
+    echo "Content of ${nm_cfg_dir} ..."
+    ls -lA "${nm_cfg_dir}"
+
+    echo -e "\e[0Ksection_end:$( date +%s ):ks_create_networkconfig\r\e[0K"
+}
+
+create_networkconfig
+
+#end raw
+## vim: ts=4 et list