[Tests] Add basic configuration on how to test when in dev mode

.gitignore

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+.vagrant
+*.retry

tests/Vagrantfile

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+Vagrant.configure("2") do |config|
+  config.vm.box = "ubuntu/trusty64"
+end

tests/inventory

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+[test_host]
+127.0.0.1 ansible_ssh_host=localhost ansible_ssh_user=vagrant ansible_ssh_port=2222 ansible_ssh_private_key_file=./ansible-datadog/tests/.vagrant/machines/default/virtualbox/private_key

tests/readme.md

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+# Test setup
+
+This is an example setup, based on vagrant + virtualbox, that allows to easily run ansible commands to test the module.
+
+# Requirements
+
+- vagrant > 2.0.0
+- vitrualbox > 5.1.28
+
+# Setup
+
+in `$WORK_DIR/ansible-datadog/tests`:
+
+- provision VM: `vagrant up`
+- connect to the VM to check the configuration: `vagrant ssh`
+- destroy VM when needed: `vagrant destroy -f`
+
+in `$WORK_DIR`:
+
+- run ansible-playbook: `ansible-playbook ansible-datadog/tests/test_5_full.yml -i ansible-datadog/tests/inventory`

tests/test.yml → tests/test_5_default.yml

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 ---
-- hosts: localhost
+- hosts: all
   roles:
   - { role: ansible-datadog, become: yes }

tests/test_5_full.yml

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+- hosts: all
+  roles:
+    - { role: ansible-datadog, become: yes }  # On Ansible < 1.9, use `sudo: yes` instead of `become: yes`
+  vars:
+    datadog_api_key: "123456"
+    datadog_agent_version: "1:5.18.0-1" # for apt-based platforms, use a `5.12.3-1` format on yum-based platforms
+    datadog_agent_allow_downgrade: true
+    datadog_config:
+      tags: "mytag0, mytag1"
+      log_level: INFO
+      apm_enabled: "true" # has to be set as a string
+    datadog_config_ex:
+      trace.config:
+        env: dev
+      trace.concentrator:
+        extra_aggregators: version
+    datadog_checks:
+      process:
+        init_config:
+        instances:
+          - name: ssh
+            search_string: ['ssh', 'sshd' ]
+          - name: syslog
+            search_string: ['rsyslog' ]
+            cpu_check_interval: 0.2
+            exact_match: true
+            ignore_denied_access: true
+      ssh_check:
+        init_config:
+        instances:
+          - host: localhost
+            port: 22
+            username: root
+            password: changeme
+            sftp_check: True
+            private_key_file:
+            add_missing_keys: True
+      nginx:
+        init_config:
+        instances:
+          - nginx_status_url: http://example.com/nginx_status/
+            tags:
+              - instance:foo
+          - nginx_status_url: http://example2.com:1234/nginx_status/
+            tags:
+              - instance:bar

tests/test_6_default.yml

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+---
+- hosts: all
+  roles:
+  - { role: ansible-datadog, become: yes }
+  vars:
+    datadog_agent6: true

tests/test_6_full.yml

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+- hosts: all
+  roles:
+    - { role: ansible-datadog, become: yes }  # On Ansible < 1.9, use `sudo: yes` instead of `become: yes`
+  vars:
+    datadog_agent6: true
+    datadog_api_key: "123456"
+    datadog_agent_allow_downgrade: true
+    datadog_config:
+      tags: "mytag0, mytag1"
+      log_level: INFO
+      apm_enabled: "true" # has to be set as a string
+      # logs related config
+      log_enabled: true
+      logset: main
+    datadog_config_ex:
+      trace.config:
+        env: dev
+      trace.concentrator:
+        extra_aggregators: version
+    datadog_checks:
+      process:
+        init_config:
+        instances:
+          - name: ssh
+            search_string: ['ssh', 'sshd' ]
+          - name: syslog
+            search_string: ['rsyslog' ]
+            cpu_check_interval: 0.2
+            exact_match: true
+            ignore_denied_access: true
+      ssh_check:
+        init_config:
+        instances:
+          - host: localhost
+            port: 22
+            username: root
+            password: changeme
+            sftp_check: True
+            private_key_file:
+            add_missing_keys: True
+      nginx:
+        init_config:
+        instances:
+          - nginx_status_url: http://example.com/nginx_status/
+            tags:
+              - instance:foo
+          - nginx_status_url: http://example2.com:1234/nginx_status/
+            tags:
+              - instance:bar
+        logs:
+          - type: file
+            path: /var/log/nginx.log
+            service: nginx
+            source: nginx
+            sourcecategory: webapp
+            tags: env:prod
+          - type: tcp
+            port: 10514
+            service: webapp
+            source: php
+            sourcecategory: front
+            log_processing_rules:
+              - type: exclude_at_match
+                name: exclude_datadoghq_users
+                # Regexp can be anything
+                pattern: User=\w+@datadoghq.com