markusthoemmes commented on a change in pull request #2248: Make invoker be
scaled-out via ansible. (#2247)
URL:
https://github.com/apache/incubator-openwhisk/pull/2248#discussion_r120803093
##########
File path: ansible/roles/invoker/tasks/deploy.yml
##########
@@ -31,6 +31,19 @@
linuxOptions: "-v
/usr/lib/x86_64-linux-gnu/libapparmor.so.1:/usr/lib/x86_64-linux-gnu/libapparmor.so.1"
when: whisk_version_name != "mac"
+- name: get running invoker information
+ uri: url="http://{{ inventory_hostname }}:{{ docker.port
}}/containers/json?filters={{ '{"name":[ "invoker" ]}' | urlencode }}"
return_content=yes
+ register: invokerInfo
+
+- name: determine if more than one invokers are running
+ fail: msg="more than one invokers are running"
+ when: invokerInfo.json|length > 1
+
+- name: determine if index of invoker is same with index of inventory host
+ fail: msg="invoker index is invalid {{item.Names[0]}}
/invoker{{play_hosts.index(inventory_hostname)}}"
Review comment:
Could add: "invoker index is invalid. expected:
/invoker{{play_hosts.index(inventory_hostname)}} found: {{item.Names[0]}}"
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