PMM-7: Change pmm client setup

Author: peterSirotnak

pmm_qa/tasks/install_pmm_client.yml

@@ -213,13 +213,12 @@
   when: random_node_name_suffix is not defined
 
 - name: Connect pmm client to pmm server using metrics mode
-  shell: >
-    docker exec -u root {{ container_name }} pmm-agent setup --config-file=/usr/local/percona/pmm/config/pmm-agent.yaml --server-address={{ pmm_server_ip }}:{{ pmm_server_port }} --server-insecure-tls --metrics-mode={{ metrics_mode }} --server-username=admin --server-password={{ admin_password }} {{ container_name }}_{{ random_node_name_suffix }}
+    docker exec -u root {{ container_name }} env PMM_AGENT_SETUP_NODE_NAME="{{ container_name }}_{{ random_node_name_suffix }}" pmm-agent setup --config-file=/usr/local/percona/pmm/config/pmm-agent.yaml --server-address={{ pmm_server_ip }}:{{ pmm_server_port }} --server-insecure-tls --metrics-mode={{ metrics_mode }} --server-username=admin --server-password={{ admin_password }} {{ container_name }}_{{ random_node_name_suffix }}
   when: metrics_mode | length > 0
 
 - name: Connect pmm client to pmm server without metrics mode
   shell: >
-    docker exec -u root {{ container_name }} pmm-agent setup --config-file=/usr/local/percona/pmm/config/pmm-agent.yaml --server-address={{ pmm_server_ip }}:{{ pmm_server_port }} --server-insecure-tls --server-username=admin --server-password={{ admin_password }} {{ container_name }}_{{ random_node_name_suffix }}
+    docker exec -u root {{ container_name }} env PMM_AGENT_SETUP_NODE_NAME="{{ container_name }}_{{ random_node_name_suffix }}" pmm-agent setup --config-file=/usr/local/percona/pmm/config/pmm-agent.yaml --server-address={{ pmm_server_ip }}:{{ pmm_server_port }} --server-insecure-tls --server-username=admin --server-password={{ admin_password }} {{ container_name }}_{{ random_node_name_suffix }}
   when: metrics_mode | length == 0
 
 - name: Wait 5 seconds for connection to complete