Error in "Using Source IP" tutorial

[habib-source]

https://kubernetes.io/docs/tutorials/services/source-ip/
in the Source IP for Services with Type=NodePort section

NODES=$(kubectl get nodes -o jsonpath='{ $.items[*].status.addresses[?(@.type=="InternalIP")].address }')

This will return a single string of a list of IP address.
The right form is :

NODES=($(kubectl get nodes -o jsonpath='{ $.items[*].status.addresses[?(@.type=="InternalIP")].address }'))

Wish will return an array of strings of IP address.
So this function work correctly :

for node in $NODES; do curl -s $node:$NODEPORT | grep -i client_address; done

Here, NODES are expected to be an array, not a single string.

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[dipesh-rawat]

Page reported in issue: https://kubernetes.io/docs/tutorials/services/source-ip/
/language en

[iheartNathan]

The current command works.

[habib-source]

[sftim]

/retitle Error in "Using Source IP" tutorial

/priority awaiting-more-evidence

We've assumed a POSIX shell. Can you show that the current command doesn't work with a POSIX shell @habib-source?

[habib-source]

In the previous comment I used zsh that's why it didn't work I've just uses bash and it works :
ZSH:
Does not work:

NODES=$(kubectl get nodes -o jsonpath='{ $.items[*].status.addresses[?(@.type=="InternalIP")].address }')

Work:

NODES=($(kubectl get nodes -o jsonpath='{ $.items[*].status.addresses[?(@.type=="InternalIP")].address }'))

Bash:
Work:

NODES=$(kubectl get nodes -o jsonpath='{ $.items[*].status.addresses[?(@.type=="InternalIP")].address }')

Does not work:

NODES=($(kubectl get nodes -o jsonpath='{ $.items[*].status.addresses[?(@.type=="InternalIP")].address }'))

I did not think that there was a difference between zsh and bash when it comes to syntax, I will consider this next time.
Thanks sftim