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|
#! /bin/bash
set -ex
function usage() {
echo Usage: `basename $0` cert_directory [logging_namespace] 1>&2
}
function generate_JKS_chain() {
dir=${SCRATCH_DIR:-_output}
ADD_OID=$1
NODE_NAME=$2
CERT_NAMES=${3:-$NODE_NAME}
ks_pass=${KS_PASS:-kspass}
ts_pass=${TS_PASS:-tspass}
rm -rf $NODE_NAME
extension_names=""
for name in ${CERT_NAMES//,/ }; do
extension_names="${extension_names},dns:${name}"
done
if [ "$ADD_OID" = true ]; then
extension_names="${extension_names},oid:1.2.3.4.5.5"
fi
echo Generating keystore and certificate for node $NODE_NAME
keytool -genkey \
-alias $NODE_NAME \
-keystore $dir/$NODE_NAME.jks \
-keypass $ks_pass \
-storepass $ks_pass \
-keyalg RSA \
-keysize 2048 \
-validity 712 \
-dname "CN=$NODE_NAME, OU=OpenShift, O=Logging" \
-ext san=dns:localhost,ip:127.0.0.1"${extension_names}"
echo Generating certificate signing request for node $NODE_NAME
keytool -certreq \
-alias $NODE_NAME \
-keystore $dir/$NODE_NAME.jks \
-storepass $ks_pass \
-file $dir/$NODE_NAME.csr \
-keyalg rsa \
-dname "CN=$NODE_NAME, OU=OpenShift, O=Logging" \
-ext san=dns:localhost,ip:127.0.0.1"${extension_names}"
echo Sign certificate request with CA
openssl ca \
-in $dir/$NODE_NAME.csr \
-notext \
-out $dir/$NODE_NAME.crt \
-config $dir/signing.conf \
-extensions v3_req \
-batch \
-extensions server_ext
echo "Import back to keystore (including CA chain)"
keytool \
-import \
-file $dir/ca.crt \
-keystore $dir/$NODE_NAME.jks \
-storepass $ks_pass \
-noprompt -alias sig-ca
keytool \
-import \
-file $dir/$NODE_NAME.crt \
-keystore $dir/$NODE_NAME.jks \
-storepass $ks_pass \
-noprompt \
-alias $NODE_NAME
echo All done for $NODE_NAME
}
function generate_JKS_client_cert() {
NODE_NAME="$1"
ks_pass=${KS_PASS:-kspass}
ts_pass=${TS_PASS:-tspass}
dir=${SCRATCH_DIR:-_output} # for writing files to bundle into secrets
echo Generating keystore and certificate for node ${NODE_NAME}
keytool -genkey \
-alias $NODE_NAME \
-keystore $dir/$NODE_NAME.jks \
-keyalg RSA \
-keysize 2048 \
-validity 712 \
-keypass $ks_pass \
-storepass $ks_pass \
-dname "CN=$NODE_NAME, OU=OpenShift, O=Logging"
echo Generating certificate signing request for node $NODE_NAME
keytool -certreq \
-alias $NODE_NAME \
-keystore $dir/$NODE_NAME.jks \
-file $dir/$NODE_NAME.jks.csr \
-keyalg rsa \
-keypass $ks_pass \
-storepass $ks_pass \
-dname "CN=$NODE_NAME, OU=OpenShift, O=Logging"
echo Sign certificate request with CA
openssl ca \
-in "$dir/$NODE_NAME.jks.csr" \
-notext \
-out "$dir/$NODE_NAME.jks.crt" \
-config $dir/signing.conf \
-extensions v3_req \
-batch \
-extensions server_ext
echo "Import back to keystore (including CA chain)"
keytool \
-import \
-file $dir/ca.crt \
-keystore $dir/$NODE_NAME.jks \
-storepass $ks_pass \
-noprompt -alias sig-ca
keytool \
-import \
-file $dir/$NODE_NAME.jks.crt \
-keystore $dir/$NODE_NAME.jks \
-storepass $ks_pass \
-noprompt \
-alias $NODE_NAME
echo All done for $NODE_NAME
}
function join { local IFS="$1"; shift; echo "$*"; }
function createTruststore() {
echo "Import CA to truststore for validating client certs"
keytool \
-import \
-file $dir/ca.crt \
-keystore $dir/truststore.jks \
-storepass $ts_pass \
-noprompt -alias sig-ca
}
if [ $# -lt 1 ]; then
usage
exit 1
fi
dir=$1
SCRATCH_DIR=$dir
PROJECT=${2:-logging}
if [[ ! -f $dir/system.admin.jks || -z "$(keytool -list -keystore $dir/system.admin.jks -storepass kspass | grep sig-ca)" ]]; then
generate_JKS_client_cert "system.admin"
fi
if [[ ! -f $dir/elasticsearch.jks || -z "$(keytool -list -keystore $dir/elasticsearch.jks -storepass kspass | grep sig-ca)" ]]; then
generate_JKS_chain true elasticsearch "$(join , logging-es{,-ops})"
fi
if [[ ! -f $dir/logging-es.jks || -z "$(keytool -list -keystore $dir/logging-es.jks -storepass kspass | grep sig-ca)" ]]; then
generate_JKS_chain false logging-es "$(join , logging-es{,-ops}{,-cluster}{,.${PROJECT}.svc.cluster.local})"
fi
[ ! -f $dir/truststore.jks ] && createTruststore
# necessary so that the job knows it completed successfully
exit 0
|
