Enable multiple CI platform / Add DigitalOcean

tests/Makefile

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+$(HOME)/.ssh/id_rsa:
+	mkdir -p $(HOME)/.ssh
+	echo $(PRIVATE_KEY) | base64 -d > $(HOME)/.ssh/id_rsa
+	chmod 400 $(HOME)/.ssh/id_rsa
+
+init-gce: $(HOME)/.ssh/id_rsa
+	# echo $(GCE_PEM_FILE) | base64 -d > $(HOME)/.ssh/gce
+	echo "$(GCE_CREDENTIALS)" > $(HOME)/.ssh/gce.json
+
+
+init-do: $(HOME)/.ssh/id_rsa
+	pip install dopy
+	echo $(DO_PRIVATE_KEY) | base64 -d > $(HOME)/.ssh/id_rsa
+
+create-gce: init-gce
+	ansible-playbook cloud_playbooks/create-gce.yml -i local_inventory/hosts.cfg -c local \
+	$(LOG_LEVEL) \
+	-e @$(CI_TEST_VARS) \
+	-e gce_credentials_file=$(HOME)/.ssh/gce.json \
+	-e gce_project_id=$(GCE_PROJECT_ID) \
+	-e gce_service_account_email=$(GCE_ACCOUNT) \
+	-e inventory_path=$(PWD)/../inventory/sample/hosts.ini \
+	-e test_id=$(TEST_ID) \
+	-e preemptible=$(GCE_PREEMPTIBLE)
+
+
+delete-gce:
+	ansible-playbook -i ../inventory/sample/hosts.ini cloud_playbooks/delete-gce.yml -c local \
+	$(LOG_LEVEL) \
+	-e @$(CI_TEST_VARS) \
+	-e test_id=$(TEST_ID) \
+	-e gce_project_id=$(GCE_PROJECT_ID) \
+	-e gce_service_account_email=$(GCE_ACCOUNT) \
+	-e gce_credentials_file=$(HOME)/.ssh/gce.json \
+	-e inventory_path=$(PWD)/inventory/sample/hosts.ini
+
+create-do: init-do
+	ansible-playbook cloud_playbooks/create-do.yml -i tests/local_inventory/hosts.cfg -c local \
+	${LOG_LEVEL} \
+	-e @$(CI_TEST_VARS) \
+	-e inventory_path=${PWD}/../inventory/hosts.ini \
+	-e test_id=${TEST_ID}
+
+
+delete-do:
+	ansible-playbook -i ../inventory/sample/hosts.ini tests/cloud_playbooks/create-do.yml -c local \
+	$LOG_LEVEL \
+	-e state=absent \
+	-e test_id=${TEST_ID} \
+	-e inventory_path=${PWD}/../inventory/inventory.ini \

tests/files/ubuntu-canal-ha-do.yml

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+cloud_image: ubuntu-16-04-x64
+cloud_region: NYC3
+mode: ha
+
+# Deployment settings
+bootstrap_os: ubuntu
+kube_network_plugin: canal
+deploy_netchecker: true
+kubedns_min_replicas: 1
+cloud_provider: 'do'