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common-scripts-cm.yaml
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common-scripts-cm.yaml
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apiVersion: v1
kind: ConfigMap
metadata:
name: {{ printf "%s-common-scripts" (include "mongodb.fullname" .) }}
namespace: {{ include "mongodb.namespace" . | quote }}
labels: {{- include "common.labels.standard" . | nindent 4 }}
app.kubernetes.io/component: mongodb
{{- if .Values.commonLabels }}
{{- include "common.tplvalues.render" ( dict "value" .Values.commonLabels "context" $ ) | nindent 4 }}
{{- end }}
{{- if .Values.commonAnnotations }}
annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
{{- end }}
data:
startup-probe.sh: |
#!/bin/bash
{{- if .Values.tls.enabled }}
TLS_OPTIONS='--tls --tlsCertificateKeyFile=/certs/mongodb.pem --tlsCAFile=/certs/mongodb-ca-cert'
{{- end }}
mongosh $TLS_OPTIONS --port $MONGODB_PORT_NUMBER --eval 'db.hello().isWritablePrimary || db.hello().secondary' | grep -q 'true$'
readiness-probe.sh: |
#!/bin/bash
{{- if .Values.tls.enabled }}
TLS_OPTIONS='--tls --tlsCertificateKeyFile=/certs/mongodb.pem --tlsCAFile=/certs/mongodb-ca-cert'
{{- end }}
# Run the proper check depending on the version
[[ $(mongod -version | grep "db version") =~ ([0-9]+\.[0-9]+\.[0-9]+) ]] && VERSION=${BASH_REMATCH[1]}
. /opt/bitnami/scripts/libversion.sh
VERSION_MAJOR="$(get_sematic_version "$VERSION" 1)"
VERSION_MINOR="$(get_sematic_version "$VERSION" 2)"
VERSION_PATCH="$(get_sematic_version "$VERSION" 3)"
if [[ ( "$VERSION_MAJOR" -ge 5 ) || ( "$VERSION_MAJOR" -ge 4 && "$VERSION_MINOR" -ge 4 && "$VERSION_PATCH" -ge 2 ) ]]; then
mongosh $TLS_OPTIONS --port $MONGODB_PORT_NUMBER --eval 'db.hello().isWritablePrimary || db.hello().secondary' | grep -q 'true$'
else
mongosh $TLS_OPTIONS --port $MONGODB_PORT_NUMBER --eval 'db.isMaster().ismaster || db.isMaster().secondary' | grep -q 'true$'
fi
ping-mongodb.sh: |
#!/bin/bash
{{- if .Values.tls.enabled }}
TLS_OPTIONS='--tls --tlsCertificateKeyFile=/certs/mongodb.pem --tlsCAFile=/certs/mongodb-ca-cert'
{{- end }}
mongosh $TLS_OPTIONS --port $MONGODB_PORT_NUMBER --eval "db.adminCommand('ping')"
{{- if .Values.tls.enabled }}
generate-certs.sh: |
#!/bin/bash
additional_ips=()
additional_names=()
while getopts "i:n:s:" flag
do
case "${flag}" in
i) read -a additional_ips <<< ${OPTARG//,/ } ;;
n) read -a additional_names <<< ${OPTARG//,/ } ;;
s) svc=${OPTARG// /} ;;
\?) exit 1 ;;
esac
done
my_hostname=$(hostname)
cp /certs/CAs/* /certs/
cat >/certs/openssl.cnf <<EOL
[req]
req_extensions = v3_req
distinguished_name = req_distinguished_name
[req_distinguished_name]
[ v3_req ]
basicConstraints = CA:FALSE
keyUsage = nonRepudiation, digitalSignature, keyEncipherment
subjectAltName = @alt_names
[alt_names]
DNS.1 = $svc
DNS.2 = $my_hostname
DNS.3 = $my_hostname.$svc.$MY_POD_NAMESPACE.svc.cluster.local
DNS.4 = localhost
IP.0 = ${MY_POD_HOST_IP}
IP.1 = 127.0.0.1
EOL
index=2
for ip in "${additional_ips[@]}"; do
cat >>/certs/openssl.cnf <<EOL
IP.$index = $ip
EOL
((index++))
done;
index=5
for name in "${additional_names[@]}"; do
cat >>/certs/openssl.cnf <<EOL
DNS.$index = $name
EOL
((index++))
done;
export RANDFILE=/certs/.rnd && openssl genrsa -out /certs/mongo.key 2048
#Create the client/server cert
openssl req -new -key /certs/mongo.key -out /certs/mongo.csr -subj "/C=US/O=My Organisations/OU=IT/CN=$my_hostname" -config /certs/openssl.cnf
#Signing the server cert with the CA cert and key
openssl x509 -req -in /certs/mongo.csr -CA /certs/mongodb-ca-cert -CAkey /certs/mongodb-ca-key -CAcreateserial -out /certs/mongo.crt -days 3650 -extensions v3_req -extfile /certs/openssl.cnf
rm /certs/mongo.csr
#Concatenate to a pem file for use as the client PEM file which can be used for both member and client authentication.
cat /certs/mongo.crt /certs/mongo.key > /certs/mongodb.pem
cd /certs/
shopt -s extglob
rm -rf !(mongodb-ca-cert|mongodb.pem|CAs|openssl.cnf)
chmod 0600 mongodb-ca-cert mongodb.pem
{{- end }}