From c63c4ed70da51ab9b43bae34eb011156ab734714 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=98ystein=20Bedin?= <oybed@users.noreply.github.com>
Date: Sun, 19 Jun 2022 16:05:40 -0600
Subject: [PATCH] Adding role to wait for k8s/openshift api to be functional
 (#171)

* Adding role to wait for k8s/openshift api to be functional

* Adding role to wait for k8s/openshift api to be functional

* Adding role to wait for k8s/openshift api to be functional
---
 roles/wait-for-api/README.md         | 40 ++++++++++++++++++++++++++++
 roles/wait-for-api/defaults/main.yml |  5 ++++
 roles/wait-for-api/tasks/main.yml    | 10 +++++++
 3 files changed, 55 insertions(+)
 create mode 100644 roles/wait-for-api/README.md
 create mode 100644 roles/wait-for-api/defaults/main.yml
 create mode 100644 roles/wait-for-api/tasks/main.yml

diff --git a/roles/wait-for-api/README.md b/roles/wait-for-api/README.md
new file mode 100644
index 0000000..0a95f38
--- /dev/null
+++ b/roles/wait-for-api/README.md
@@ -0,0 +1,40 @@
+wait-for-api
+============
+
+Role used to wait for the k8s/Openshift API to be ready/available
+
+Requirements
+------------
+
+Relies on the k8s or OpenShift(oc) CLI client
+
+Role Variables
+--------------
+
+Defaults file has all the variables that can be used. These can be overridden to fit the callers need.
+
+| Variable | Description | Required | Defaults |
+|:--------:|:-----------:|:--------:|:--------:|
+|**wait_for_api_delay**| number of seconds to wait between retries | no | 15 |
+|**wait_for_api_retries**| number of retries before the role gives up | no | 30 |
+
+
+Example Playbook
+----------------
+
+```
+- name: 'Wait for API to be available'
+  hosts: k8s_host
+  roles:
+    - wait-for-api
+```
+
+License
+-------
+
+Apache License 2.0
+
+Author Information
+------------------
+
+Red Hat Community of Practice & staff of the Red Hat Open Innovation Labs.
diff --git a/roles/wait-for-api/defaults/main.yml b/roles/wait-for-api/defaults/main.yml
new file mode 100644
index 0000000..d1a4960
--- /dev/null
+++ b/roles/wait-for-api/defaults/main.yml
@@ -0,0 +1,5 @@
+---
+
+wait_for_api_delay: 15
+wait_for_api_retries: 30
+
diff --git a/roles/wait-for-api/tasks/main.yml b/roles/wait-for-api/tasks/main.yml
new file mode 100644
index 0000000..6bc0fac
--- /dev/null
+++ b/roles/wait-for-api/tasks/main.yml
@@ -0,0 +1,10 @@
+---
+
+- name: Wait for the API call to be successful
+  command: >
+    {{ client | default(oc) }} get Ingress.config/cluster
+  register: ingress_info
+  retries: "{{ wait_for_api_retries }}" # Default value in defaults/main.yml
+  delay: "{{ wait_for_api_delay }}" # Default value in defaults/main.yml
+  until: not ingress_info.failed
+