Hi,
I'm looking for some help in setting up a Linode Nodebalancer, but I think
my question is more about how to build a more dynamic playbook using the
'linode.cloud.nodebalancer' module from Ansible Galaxy.
So I could hardcode my playbook to use two nodes (hosts) and thier private
IPs for the setup. But what if I want to have three hosts or more behind
the nodebalancer? An example playbook looks like this:
---
- name: Create single linode nodebalancer
hosts: localhost
tasks:
- name: Create a Linode NodeBalancer
linode.cloud.nodebalancer:
label: "{{ nb_label }}"
region: "{{ nb_region }}"
tags: nb_tags
state: present
configs:
- port: 80
protocol: http
algorithm: roundrobin
nodes:
- label: 'test-node1'
address: 192.168.10.3:80
- label: 'test-node2'
address: 192.168.175.221:80
So I think could do do a loop over the nodes: block, but the role doesn't
seem to support a 'state: present' or 'state:absent' flag, so I *think*
that I have to run my task with all my definitions setup ahead of time.
Which kind of ruins the ideal of idempotency.
So would this be the way to do a loop, starting with creating the linodes
and setting facts:
---
- name: Create linode using linode.cloud.instance
linode.cloud.instance:
label: "{{ linode.name }}"
type: "{{ linode.type | default(def_type) }}"
region: "{{ linode.region | default(def_region) }}"
image: "{{ linode.image | default(def_image) }}"
authorized_keys: "{{ ssh_keys }}"
root_pass: "{{ password }}"
state: present
private_ip: true
wait: true
register: my_linode
- name: "Found one or more linodes"
debug:
msg="Name={{ my_linode.instance.label }}, ID={{ my_linode.instance.id
}}, IP(s)= {{ my_linode.i\
nstance.ipv4 }}"
when: my_linode|length > 0
- name: "Set a fact of private IPs"
set_fact:
private_ips: "{{ private_ips }} + [ { label: {{
my_linode.instance.label }} , IP: {{ my_linode.\
instance.ipv4[1] }} } ]"
- name: Create a Linode NodeBalancer using loop
linode.cloud.nodebalancer:
label: "{{ nb_label }}"
region: "{{ nb_region }}"
tags: nb_tags
state: present
configs:
- port: 80
protocol: http
algorithm: roundrobin
nodes:
- label: {{ item.label }}
address: {{ item.IP}}
loop:
private_ips
Or do I need to do something funkier? This is honestly where my ansible-fu
fails me...
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