[elasticsearch] Add upgrade integration test

elasticsearch/examples/upgrade/Makefile

@@ -0,0 +1,25 @@
+default: test
+
+include ../../../helpers/examples.mk
+
+RELEASE := helm-es-upgrade
+
+# Right now the version is hardcoded because helm install will ignore
+# anything with an alpha tag when trying to install the latest release
+# This hardcoding can be removed once we drop the alpha tag
+# The "--set terminationGracePeriod=121" always makes sure that a rolling
+# upgrade is forced for this test
+install:
+	helm repo add elastic https://helm.elastic.co && \
+	helm upgrade --wait --timeout=600 --install $(RELEASE) elastic/elasticsearch --version 7.0.0-alpha1 --set clusterName=upgrade ; \
+	kubectl rollout status sts/upgrade-master --timeout=600s
+	helm upgrade --wait --timeout=600 --set terminationGracePeriod=121 --install $(RELEASE) ../../ --set clusterName=upgrade ; \
+	kubectl rollout status sts/upgrade-master --timeout=600s
+
+init:
+	helm init --client-only
+
+test: init install goss
+
+purge:
+	helm del --purge $(RELEASE)

elasticsearch/examples/upgrade/test/goss.yaml

@@ -0,0 +1,17 @@
+http:
+  http://localhost:9200/_cluster/health:
+    status: 200
+    timeout: 2000
+    body:
+      - 'green'
+      - '"number_of_nodes":3'
+      - '"number_of_data_nodes":3'
+
+  http://localhost:9200:
+    status: 200
+    timeout: 2000
+    body:
+      - '"number" : "7.0.0"'
+      - '"cluster_name" : "upgrade"'
+      - '"name" : "upgrade-master-0"'
+      - 'You Know, for Search'

helpers/helm-tester/Dockerfile

@@ -1,6 +1,8 @@
 FROM python:2.7-onbuild
 
-RUN wget https://storage.googleapis.com/kubernetes-helm/helm-v2.7.2-linux-amd64.tar.gz && \
-    tar xfv helm-v2.7.2-linux-amd64.tar.gz && \
+ENV HELM_VERSION=2.13.1
+
+RUN wget https://storage.googleapis.com/kubernetes-helm/helm-v${HELM_VERSION}-linux-amd64.tar.gz && \
+    tar xfv helm-v${HELM_VERSION}-linux-amd64.tar.gz && \
     mv linux-amd64/helm /usr/local/bin/ && \
     rm -rf linux-amd64

helpers/matrix.yml

@@ -5,6 +5,7 @@ ES_SUITE:
   - default
   - multi
   - security
+  - upgrade
   - 5.x
   - 6.x
 KIBANA_SUITE:

helpers/terraform/Dockerfile

@@ -2,7 +2,7 @@ FROM centos:7
 
 ENV VAULT_VERSION 0.9.3
 ENV TERRAFORM_VERSION=0.11.7
-ENV KUBECTL_VERSION=1.10.7
+ENV KUBECTL_VERSION=1.14.1
 ENV HELM_VERSION=2.13.1
 
 RUN yum -y install \

kibana/tests/kibana_test.py

@@ -4,7 +4,7 @@
 from helpers import helm_template
 import yaml
 
-name = 'RELEASE-NAME-kibana'
+name = 'release-name-kibana'
 elasticsearchHosts = 'http://elasticsearch-master:9200'