Kuberenetes POD not coming - kubernetes

Question

I am trying to install Jhipster Registry on Kubernetes as stateful set with the given (git as jhipster-registry.yml).
I see the services & statefulset coming up. I dont see the worker PODs :-(
Could you share, how to get the worker PODs up .
Update:
I am totally new to this jhipster & kubernetes. Thx for your response. Pasted the jhipster-register.yml below.
Cmds i have tried is to kubectl create -f jhipster-register.yml.
Error # kubectl describe statefulset
Volumes:
config-volume:
Type: ConfigMap (a volume populated by a ConfigMap)
Name: application-config
Optional: false
Volume Claims: <none>
Events:
FirstSeen LastSeen Count From SubObjectPath Type Reason Message
--------- -------- ----- ---- ------------- -------- ------ -------
1d 5s 4599 statefulset Warning FailedCreate create Pod jhipster-registry-0 in StatefulSet jhipster-registry failed error: Pod "jhipster-registry-0" is invalid: spec.containers[0].env[8].name: Invalid value: "JHIPSTER_LOGGING_LOGSTASH_ENABLED=true": a valid C identifier must start with alphabetic character or '_', followed by a string of alphanumeric characters or '_' (e.g. 'my_name', or 'MY_NAME', or 'MyName', regex used for validation is '[A-Za-z_][A-Za-z0-9_]*')
YML:
apiVersion: v1
kind: Service
metadata:
name: jhipster-registry
labels:
app: jhipster-registry
annotations:
service.alpha.kubernetes.io/tolerate-unready-endpoints: "true"
spec:
ports:
- port: 9761
clusterIP: None
selector:
app: jhipster-registry
---
apiVersion: apps/v1beta1
kind: StatefulSet
metadata:
name: jhipster-registry
spec:
serviceName: jhipster-registry
replicas: 2
template:
metadata:
labels:
app: jhipster-registry
spec:
terminationGracePeriodSeconds: 10
containers:
- name: jhipster-registry
image: jhipster/jhipster-registry:v3.2.3
ports:
- containerPort: 9761
env:
- name: CLUSTER_SIZE
value: "2"
- name: STATEFULSET_NAME
value: "jhipster-registry"
- name: STATEFULSET_NAMESPACE
value: "stage"
- name: SPRING_PROFILES_ACTIVE
value: prod,swagger,native
- name: SECURITY_USER_PASSWORD
value: admin
- name: JHIPSTER_SECURITY_AUTHENTICATION_JWT_SECRET
value: secret-is-nothing-its-just-inside-you
- name: EUREKA_CLIENT_FETCH_REGISTRY
value: 'true'
- name: EUREKA_CLIENT_REGISTER_WITH_EUREKA
value: 'true'
- name: JHIPSTER_LOGGING_LOGSTASH_ENABLED=true
value: 'true'
- name: GIT_URI
value: https://github.com/jhipster/jhipster-registry/
- name: GIT_SEARCH_PATHS
value: central-config
command:
- "/bin/sh"
- "-ec"
- |
HOSTNAME=$(hostname)
export EUREKA_INSTANCE_HOSTNAME="${HOSTNAME}.jhipster-registry.${STATEFULSET_NAMESPACE}.svc.cluster.local"
echo "Setting EUREKA_INSTANCE_HOSTNAME=${EUREKA_INSTANCE_HOSTNAME}"
echo "Configuring Registry Replicas for CLUSTER_SIZE=${CLUSTER_SIZE}"
LAST_POD_INDEX=$((${CLUSTER_SIZE} - 1))
REPLICAS=""
for i in $(seq 0 $LAST_POD_INDEX); do
REPLICAS="${REPLICAS}http://admin:${SECURITY_USER_PASSWORD}#${STATEFULSET_NAME}-${i}.jhipster-registry.${STATEFULSET_NAMESPACE}.svc.cluster.local:8761/eureka/"
if [ $i -lt $LAST_POD_INDEX ]; then
REPLICAS="${REPLICAS},"
fi
done
export EUREKA_CLIENT_SERVICE_URL_DEFAULTZONE=$REPLICAS
echo "EUREKA_CLIENT_SERVICE_URL_DEFAULTZONE=${REPLICAS}"
java -jar /jhipster-registry.war --spring.cloud.config.server.git.uri=${GIT_URI} --spring.cloud.config.server.git.search-paths=${GIT_SEARCH_PATHS} -Djava.security.egd=file:/dev/./urandom
volumeMounts:
- name: config-volume
mountPath: /central-config
volumes:
- name: config-volume
configMap:
name: application-config

Answer 1

Your StatefulSet is invalid because of invalid ENV name.
- name: JHIPSTER_LOGGING_LOGSTASH_ENABLED=true
value: 'true'
You have used ENV name JHIPSTER_LOGGING_LOGSTASH_ENABLED=true which is invalid.
Correct format: [A-Za-z_][A-Za-z0-9_]*
Thats why Pods are not coming
Change StatefulSet to use as
- name: JHIPSTER_LOGGING_LOGSTASH_ENABLED
value: 'true'
This will work.