Add utility script to display certificates
The script can be used by users to display the various certificates installed on a StarlingX system. This is to help users easily see more information about the certificates and their expiry dates in order to take the required manual actions for renewal. Story: 2009190 Task: 43241 Change-Id: I9568455d510ef7c5c1a8d978a3faa3c1dea03bac Signed-off-by: Rei Oliveira <Reinildes.JoseMateusOliveira@windriver.com>
This commit is contained in:
Rei Oliveira
parent
e9cccd0700
commit
8a262579a4
@ -64,6 +64,7 @@ install -m 555 %{_buildsubdir}/scripts/is-rootdisk-device.sh %{buildroot}%{local
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install -m 555 %{_buildsubdir}/scripts/update-iso.sh %{buildroot}%{local_bindir}
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install -m 555 %{_buildsubdir}/scripts/update-iso.sh %{buildroot}%{local_bindir}
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install -m 555 %{_buildsubdir}/scripts/gen-bootloader-iso.sh %{buildroot}%{local_bindir}
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install -m 555 %{_buildsubdir}/scripts/gen-bootloader-iso.sh %{buildroot}%{local_bindir}
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install -m 555 %{_buildsubdir}/scripts/stx-iso-utils.sh %{buildroot}%{local_bindir}
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install -m 555 %{_buildsubdir}/scripts/stx-iso-utils.sh %{buildroot}%{local_bindir}
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install -m 555 %{_buildsubdir}/scripts/show-certs.sh %{buildroot}%{local_bindir}
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install -d %{buildroot}%{local_etc_initd}
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install -d %{buildroot}%{local_etc_initd}
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install %{_buildsubdir}/scripts/log_functions.sh %{buildroot}%{local_etc_initd}
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install %{_buildsubdir}/scripts/log_functions.sh %{buildroot}%{local_etc_initd}
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@ -113,6 +114,7 @@ systemctl enable opt-platform.service
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%{local_bindir}/update-iso.sh
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%{local_bindir}/update-iso.sh
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%{local_bindir}/gen-bootloader-iso.sh
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%{local_bindir}/gen-bootloader-iso.sh
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%{local_bindir}/stx-iso-utils.sh
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%{local_bindir}/stx-iso-utils.sh
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%{local_bindir}/show-certs.sh
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%files noncontroller
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%files noncontroller
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%defattr(-,root,root,-)
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%defattr(-,root,root,-)
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332
utilities/platform-util/scripts/show-certs.sh
Executable file
332
utilities/platform-util/scripts/show-certs.sh
Executable file
@ -0,0 +1,332 @@
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#!/bin/bash
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#
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# Copyright (c) 2021 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# Utility script to display certificates in the system
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#
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USAGE="usage: ${0##*/} [-h for help] [-k for certificates stored in k8s secrets] [-e <num> to use a custom number of days for the expiry check]"
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BOLD=$(tput bold)
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RED=$(tput setaf 1)
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GREEN=$(tput setaf 2)
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RESET=$(tput sgr0)
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KUBERNETES_SECRETS_MODE="NO"
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EXPIRY_WARNING="90"
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HAS_SUBCLOUD_CERTS=0
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AUTO_LABEL="Automatic [Managed by Cert-Manager]"
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TMP_SUBCLOUD_SECRETS_FILE=$(mktemp /tmp/subcloud-icas-tls-secrets.XXXXXXXXXX.txt)
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TMP_TLS_SECRETS_FILE=$(mktemp)
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TMP_GEN_SECRETS_FILE=$(mktemp)
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TMP_SECRET_SECRET_FILE=$(mktemp)
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TMP_GEN_SECRET_FILE=$(mktemp)
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chmod +r $TMP_SUBCLOUD_SECRETS_FILE
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while getopts "khe:" opt; do
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case $opt in
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k) KUBERNETES_SECRETS_MODE="YES" ;;
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e) EXPIRY_WARNING=${OPTARG} ;;
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h) echo $USAGE
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echo
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exit
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;;
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esac
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done
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source /etc/platform/platform.conf
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# Gets the name of all secrets used by cert-manager certs
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CERT_MANAGER_SECRETS=$(kubectl --kubeconfig /etc/kubernetes/admin.conf get cert -A -o yaml | grep secretName: | grep -v f: | awk '{ print $2 }')
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PrintCertInfo () {
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FILE=$1
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if [ ! -f "$FILE" ]; then
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return
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fi
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SUBJECT=$(cat $FILE | openssl x509 -noout -subject)
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echo -e '\t' "Subject\t: " ${SUBJECT#*=}
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ISSUER=$(cat $FILE | openssl x509 -noout -issuer)
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echo -e '\t' "Issuer \t: " ${ISSUER#*=}
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STARTDATE=$(cat $FILE | openssl x509 -noout -startdate)
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echo -e '\t' "Issue Date\t: " ${STARTDATE#*=}
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ENDDATE=$(cat $FILE | openssl x509 -noout -enddate)
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echo -e '\t' "Expiry Date\t: " ${ENDDATE#*=}
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SECONDSFUTURE=`date -d "${ENDDATE#*=}" "+%s"`
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SECONDSNOW=`date "+%s"`
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DIFFSECONDS=$(($SECONDSFUTURE-$SECONDSNOW))
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DIFFDAYS=$(($DIFFSECONDS/(60*60*24)))
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if [ $DIFFDAYS -gt $EXPIRY_WARNING ]; then
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echo -e '\t' "Residual Time\t: " "${GREEN}${DIFFDAYS}d${RESET}"
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else
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echo -e '\t' "Residual Time\t: " "${RED}${DIFFDAYS}d${RESET}"
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fi
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}
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PrintCertInfo-fromFile () {
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NAME=$1
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FILE=$2
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RENEWAL=$3
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FILENAME=$4
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if [ ! -f "$FILE" ]; then
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return
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fi
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if [ ! -n "$FILENAME" ]; then
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FILENAME=$FILE
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fi
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echo
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echo "$BOLD" $NAME " CERTIFICATE:" "$RESET"
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echo "$BOLD" "------------------------------------------" "$RESET"
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echo -e '\t' "Renewal \t: " $RENEWAL
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echo -e '\t' "Filename\t: " $FILENAME
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PrintCertInfo $FILE
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}
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PrintCertInfo-fromTlsSecret () {
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NAME=$1
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NAMESPACE=$2
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SECRET=$3
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RENEWAL="${RED}Manual${RESET}"
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AUTO_BY_DC_ORCH="sc-adminep-ca-certificate"
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if [[ $CERT_MANAGER_SECRETS == *$SECRET* || $AUTO_BY_DC_ORCH == *$SECRET* ]]; then
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RENEWAL="${GREEN}$AUTO_LABEL${RESET}"
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fi
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kubectl --kubeconfig /etc/kubernetes/admin.conf -n $NAMESPACE get secret $SECRET &> /dev/null
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if [ $? -eq 0 ]; then
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kubectl --kubeconfig /etc/kubernetes/admin.conf -n $NAMESPACE get secret $SECRET -o yaml | fgrep tls.crt | fgrep -v "f:tls.crt" | awk '{print $2}' | base64 --decode > $TMP_SECRET_SECRET_FILE
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echo
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echo "$BOLD" $NAMESPACE " / " $SECRET " CERTIFICATE:" "$RESET"
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echo "$BOLD" "------------------------------------------" "$RESET"
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echo -e '\t' "Renewal \t: " $RENEWAL
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echo -e '\t' "Namespace\t: " $NAMESPACE
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echo -e '\t' "Secret \t: " $SECRET
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PrintCertInfo $TMP_SECRET_SECRET_FILE
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fi
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}
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PrintCertInfo-fromGenericSecret () {
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NAME=$1
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NAMESPACE=$2
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SECRET=$3
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SECRETFILE=$4
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RENEWAL="${RED}Manual${RESET}"
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kubectl --kubeconfig /etc/kubernetes/admin.conf -n $NAMESPACE get secret $SECRET &> /dev/null
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if [ $? -eq 0 ]; then
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SECRET_VALUE=$(kubectl --kubeconfig /etc/kubernetes/admin.conf -n $NAMESPACE get secret $SECRET -o yaml | fgrep " $SECRETFILE" | awk '{print $2}')
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if ! IsACertificate $SECRET_VALUE; then
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return
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fi
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if [[ "mon-elastic-services-secrets" == $SECRET ]]; then
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TLS_SECRET_NAME=""
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if [[ "ca.crt" == $SECRETFILE ]]; then
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TLS_SECRET_NAME="mon-elastic-services-ca-crt"
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elif [[ "ext-ca.crt" == $SECRETFILE ]]; then
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TLS_SECRET_NAME="mon-elastic-services-extca-crt"
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fi
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TLS_SECRET_VALUE=$(kubectl --kubeconfig /etc/kubernetes/admin.conf -n $NAMESPACE get secret $TLS_SECRET_NAME -o yaml 2> /dev/null | fgrep " tls.crt" | awk '{print $2}')
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if [[ $TLS_SECRET_VALUE == $SECRET_VALUE && $CERT_MANAGER_SECRETS == *$TLS_SECRET_NAME* ]]; then
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RENEWAL="${GREEN}$AUTO_LABEL${RESET}"
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fi
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fi
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echo "$SECRET_VALUE" | base64 --decode > $TMP_GEN_SECRET_FILE
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echo
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echo "$BOLD" $NAMESPACE " / " $SECRET " / " $SECRETFILE " CERTIFICATE:" "$RESET"
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echo "$BOLD" "------------------------------------------" "$RESET"
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echo -e '\t' "Renewal \t: " "${RENEWAL}"
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echo -e '\t' "Namespace\t: " $NAMESPACE
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echo -e '\t' "Secret \t: " $SECRET
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PrintCertInfo $TMP_GEN_SECRET_FILE
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fi
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}
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PrintCertInfo-from-TlsSecret-or-File () {
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NAME=$1
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NAMESPACE=$2
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SECRET=$3
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FILE=$4
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RENEWAL="UNKNOWN"
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kubectl --kubeconfig /etc/kubernetes/admin.conf -n $NAMESPACE get secret $SECRET &> /dev/null
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if [ $? -eq 0 ]; then
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PrintCertInfo-fromTlsSecret "$NAME" "$NAMESPACE" "$SECRET"
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else
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PrintCertInfo-fromFile "$NAME" "$FILE" "${RED}Manual${RESET}"
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fi
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}
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IsACertificate () {
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echo "$1" | base64 -d 2> /dev/null | openssl x509 -text &> /dev/null
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}
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CleanUp () {
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rm -rf $TMP_TLS_SECRETS_FILE
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rm -rf $TMP_GEN_SECRETS_FILE
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rm -rf $TMP_SECRET_SECRET_FILE
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rm -rf $TMP_GEN_SECRET_FILE
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}
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# ALL TLS Certificates
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if [ "$KUBERNETES_SECRETS_MODE" = "YES" ]; then
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echo "$BOLD" "----------------------------------------------" "$RESET"
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echo "$BOLD" "certificates stored in kubernetes tls secrets" "$RESET"
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echo "$BOLD" "----------------------------------------------" "$RESET"
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echo -e "$BOLD" " Renewal\t\tNamespace\t\tSecret\t\tResidual Time" "$RESET" >> $TMP_SUBCLOUD_SECRETS_FILE
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echo -e "$BOLD" " ----------------------------------------------------------------------------" "$RESET" >> $TMP_SUBCLOUD_SECRETS_FILE
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kubectl --kubeconfig /etc/kubernetes/admin.conf get secrets -A --field-selector type=kubernetes.io/tls | fgrep -v NAMESPACE | tr -s " "| cut -d' ' -f1-2 > $TMP_TLS_SECRETS_FILE
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while read line; do
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NAMESPACE="$(echo $line | cut -d' ' -f1)"
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SECRET="$(echo $line | cut -d' ' -f2)"
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# As number of subclouds may be high, it filters out subcloud certificates and saves it to a file.
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if [[ $SECRET == *"-adminep-ca-certificate"* && $NAMESPACE == "dc-cert" ]]; then
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TEXT=$( PrintCertInfo-fromTlsSecret " " $NAMESPACE $SECRET )
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echo "$TEXT" | grep "Renewal\|Namespace\|Secret\|Residual Time" | cut -d ':' -f2 | tr '\n' ' ' >> $TMP_SUBCLOUD_SECRETS_FILE
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echo >> $TMP_SUBCLOUD_SECRETS_FILE
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HAS_SUBCLOUD_CERTS=1
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else
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PrintCertInfo-fromTlsSecret " " $NAMESPACE $SECRET
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fi
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done < $TMP_TLS_SECRETS_FILE
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# ALL OPAQUE SECRETS MATCHING WELL_KNOWN_CERT_KEY_PATTERNS
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echo
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echo "$BOLD" "---------------------------------------------------------------------" "$RESET"
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echo "$BOLD" "certificates stored in kubernetes opaque type secrets," "$RESET"
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echo "$BOLD" "with keys matching regex (^.*\.crt:|^.*\.pem:|^ca:|^.*cert:|^.*cer:)" "$RESET"
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echo "$BOLD" "---------------------------------------------------------------------" "$RESET"
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OPAQUE_SECRETS=$(kubectl --kubeconfig /etc/kubernetes/admin.conf get secrets --field-selector type=Opaque -A --no-headers | awk '{print $1 "|" $2 }')
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WELL_KNOWN_CERT_KEY_PATTERNS="(^.*\.crt:|^.*\.pem:|^ca:|^.*cert:|^.*cer:)"
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for secret in $OPAQUE_SECRETS; do
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NAMESPACE="$(echo $secret | cut -d'|' -f1)"
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SECRET="$(echo $secret | cut -d'|' -f2)"
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DESCRIBE_SECRET=$(kubectl --kubeconfig /etc/kubernetes/admin.conf describe secret $SECRET -n $NAMESPACE)
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MATCHES=$(echo "$DESCRIBE_SECRET" | egrep $WELL_KNOWN_CERT_KEY_PATTERNS)
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if [ -z "$MATCHES" ]; then
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continue
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fi
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echo "$MATCHES" > $TMP_GEN_SECRETS_FILE
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while read line; do
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KEY_FOUND=$(echo $line | cut -d':' -f1)
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PrintCertInfo-fromGenericSecret " " $NAMESPACE $SECRET $KEY_FOUND
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done < $TMP_GEN_SECRETS_FILE
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done
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if [ $HAS_SUBCLOUD_CERTS -eq 1 ]; then
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echo
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echo "$BOLD" "Note:" "$RESET" "Subcloud ICA certificates (*-adminep-ca-certificate) were saved to $TMP_SUBCLOUD_SECRETS_FILE in order to limit the size of the output."
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fi
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echo
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CleanUp
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exit 0
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fi
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# Main (default mode)
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# SSL (restapi/gui) Certificate
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PrintCertInfo-from-TlsSecret-or-File "ssl (restapi/gui)" "deployment" "system-restapi-gui-certificate" "/etc/ssl/private/server-cert.pem"
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# Local Registry Certificate
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PrintCertInfo-from-TlsSecret-or-File "registry.local" "deployment" "system-registry-local-certificate" "/etc/ssl/private/registry-cert.crt"
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# Trusted CA Certifiates
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for FILE in /opt/platform/config/${sw_version}/ssl_ca/*; do
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PrintCertInfo-fromFile "$FILE" "$FILE" "${RED}Manual${RESET}"
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done
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# DC AdminEp Certificates
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PrintCertInfo-fromFile "DC-AdminEp-RootCA" "/etc/pki/ca-trust/source/anchors/dc-adminep-root-ca.crt" "${GREEN}$AUTO_LABEL${RESET}"
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if [ -f "/etc/ssl/private/admin-ep-cert.pem" ]; then
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rm -rf /tmp/dc-adminep-inter-ca.crt
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cat /etc/ssl/private/admin-ep-cert.pem | sed -n '/-----END CERTIFICATE/,/END CERTIFICATE-----$/p' | tail -n +2 > /tmp/dc-adminep-inter-ca.crt
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if [ -s /tmp/dc-adminep-inter-ca.crt ]; then
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PrintCertInfo-fromFile "DC-AdminEp-InterCA" "/tmp/dc-adminep-inter-ca.crt" "${GREEN}$AUTO_LABEL${RESET}" "/etc/ssl/private/admin-ep-cert.pem"
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fi
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fi
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PrintCertInfo-fromFile "DC-AdminEp-Server" "/etc/ssl/private/admin-ep-cert.pem" "${GREEN}$AUTO_LABEL${RESET}"
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# ETCD CA
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PrintCertInfo-fromFile "etcd CA certificate" "/etc/etcd/ca.crt" "${RED}Manual${RESET}"
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PrintCertInfo-fromFile "etcd client certificate" "/etc/etcd/etcd-client.crt" "${RED}Manual${RESET}"
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PrintCertInfo-fromFile "etcd server certificate" "/etc/etcd/etcd-server.crt" "${RED}Manual${RESET}"
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||||||
|
PrintCertInfo-fromFile "etcd apiserver client certificate" "/etc/etcd/apiserver-etcd-client.crt" "${RED}Manual${RESET}"
|
||||||
|
|
||||||
|
# OpenStack Certificates
|
||||||
|
PrintCertInfo-fromFile "openstack" "/etc/ssl/private/openstack/cert.pem" "${RED}Manual${RESET}"
|
||||||
|
PrintCertInfo-fromFile "openstack CA" "/etc/ssl/private/openstack/ca-cert.pem" "${RED}Manual${RESET}"
|
||||||
|
|
||||||
|
# OIDC certificates
|
||||||
|
PrintCertInfo-fromTlsSecret "OIDC" "kube-system" "local-dex.tls"
|
||||||
|
PrintCertInfo-fromGenericSecret "OIDC CA" "kube-system" "dex-client-secret" "dex-ca.pem"
|
||||||
|
PrintCertInfo-fromGenericSecret "OIDC WAD CA" "kube-system" "wadcert" "AD_CA.cer"
|
||||||
|
|
||||||
|
|
||||||
|
PrintCertInfo-fromGenericSecret "" "monitor" "mon-elastic-services-secrets" "ca.crt"
|
||||||
|
PrintCertInfo-fromGenericSecret "" "monitor" "mon-elastic-services-secrets" "ext-ca.crt"
|
||||||
|
PrintCertInfo-fromGenericSecret "" "monitor" "mon-elastic-services-secrets" "kibana.crt"
|
||||||
|
|
||||||
|
# Kubernetes Certificates
|
||||||
|
echo
|
||||||
|
echo "$BOLD" "Kubernetes CERTIFICATES:" "$RESET"
|
||||||
|
echo "$BOLD" "------------------------------------------" "$RESET"
|
||||||
|
echo "Note: 'CERTIFICATES' are Renewal: ${GREEN}Automatic${RESET}"
|
||||||
|
echo "Note: 'CERTIFICATE AUTHORITIES' are Renewal: ${RED}Manual${RESET}"
|
||||||
|
echo
|
||||||
|
kubeadm alpha certs check-expiration
|
||||||
|
echo
|
||||||
|
CleanUp
|
||||||
|
exit 0
|
||||||
Loading…
Reference in New Issue
Block a user