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lookup: Recommend query instead of lookup (#155)

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This commit is contained in:
Abhijeet Kasurde
2021-07-08 22:26:03 +05:30
committed by GitHub
parent 25100e7f5e
commit 04f227e9b9
3 changed files with 89 additions and 25 deletions
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90
molecule/default/tasks/lookup_k8s.yml
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@@ -1,6 +1,12 @@
---
- block:
# https://github.com/ansible-collections/kubernetes.core/issues/9
- set_fact:
pre_test1: "{{ lookup('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
pre_test2: "{{ lookup('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one') }}"
pre_test3: "{{ query('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
pre_test4: "{{ query('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one') }}"
# https://github.com/ansible-collections/kubernetes.core/issues/147
- name: Create a namespace with label
kubernetes.core.k8s:
definition:
@@ -12,15 +18,45 @@
namespace_label: "app_development"
- set_fact:
namespace_info: "{{ lookup('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
test1: "{{ lookup('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development', wantlist=True) }}"
test2: "{{ query('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
test3: "{{ lookup('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one', wantlist=True) }}"
test4: "{{ query('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one') }}"
test5: "{{ lookup('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
test6: "{{ lookup('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one') }}"
test7: "{{ lookup('kubernetes.core.k8s', kind='Ingress', api_version='networking.k8s.io/vINVALID', errors='ignore') }}"
- name: Check if the returned value is list with a single element
- set_fact:
test8: "{{ lookup('kubernetes.core.k8s', kind='Ingress', api_version='networking.k8s.io/vINVALID') }}"
ignore_errors: true
- name: Assert that every test is passed
assert:
that:
- namespace_info is iterable
- not namespace_info is string
- not namespace_info is mapping
- namespace_info | length == 1
# Before creating object
- pre_test1 is sequence and pre_test1 is not string
- pre_test1 | length == 0
- pre_test2 is sequence and pre_test2 is not string
- pre_test2 | length == 0
- pre_test3 is sequence and pre_test3 is not string
- pre_test3 | length == 0
- pre_test4 is sequence and pre_test4 is not string
- pre_test4 | length == 0
# After creating object
- test1 is sequence and test1 is not string
- test1 | length == 1
- test2 is sequence and test2 is not string
- test2 | length == 1
- test3 is sequence and test3 is not string
- test3 | length == 1
- test4 is sequence and test4 is not string
- test4 | length == 1
# Without wantlist=True lookup should return mapping
- test5 is mapping
- test6 is mapping
# errors='ignore'
- test7 is string
- test8 is not defined
- name: Create another namespace with label
kubernetes.core.k8s:
@@ -33,22 +69,44 @@
namespace_label: "app_development"
- set_fact:
namespace_info: "{{ lookup('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
test1: "{{ lookup('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development', wantlist=True) }}"
test2: "{{ query('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
test3: "{{ lookup('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one', wantlist=True) }}"
test4: "{{ query('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one') }}"
test5: "{{ lookup('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-two', wantlist=True) }}"
test6: "{{ query('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-two') }}"
test7: "{{ lookup('kubernetes.core.k8s', kind='Namespace', label_selector='namespace_label=app_development') }}"
test8: "{{ lookup('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-one') }}"
test9: "{{ lookup('kubernetes.core.k8s', kind='Namespace', resource_name='app-development-two') }}"
- name: Check if the returned value is list with 2 elements
- name: Assert that every test is passed after creating second object
assert:
that:
- namespace_info is iterable
- not namespace_info is string
- not namespace_info is mapping
- namespace_info | length == 2
# After creating second object
- test1 is sequence and test1 is not string
- test1 | length == 2
- test2 is sequence and test2 is not string
- test2 | length == 2
- test3 is sequence and test3 is not string
- test3 | length == 1
- test4 is sequence and test4 is not string
- test4 | length == 1
- test5 is sequence and test5 is not string
- test5 | length == 1
- test6 is sequence and test6 is not string
- test6 | length == 1
# When label_selector is used it returns list irrespective of wantlist=True
- test7 is sequence and test7 is not string
# Without wantlist=True lookup should return mapping
- test8 is mapping
- test9 is mapping
always:
- name: Ensure that namespace is removed
k8s:
kind: Namespace
name: "{{ item }}"
name: "app-development-{{ item }}"
state: absent
with_items:
- app-development-one
- app-development-two
- one
- two