PMM-14375 add env var into pmm-agent systemd process

Author: yurkovychv

pmm_psmdb-pbm_setup/Dockerfile

@@ -81,6 +81,7 @@ RUN if [[ "$PMM_CLIENT_VERSION" == http* ]]; then \
     systemctl enable mongod && \
     systemctl enable pbm-agent && \
     sed -i '/ExecStart/a StandardError=file:/var/log/pmm-agent.log' /usr/lib/systemd/system/pmm-agent.service && \
+    sed -i '/\[Service\]/a Environment="KRB5_CLIENT_KTNAME=/keytabs/mongodb.keytab"' /usr/lib/systemd/system/pmm-agent.service && \
     systemctl enable pmm-agent && \
     curl -Lf -o /tmp/mgodatagen.tar.gz https://github.com/feliixx/mgodatagen/releases/download/v0.11.2/mgodatagen_0.11.2_Linux_x86_64.tar.gz && \
     tar -xf /tmp/mgodatagen.tar.gz -C /usr/bin && \

pmm_psmdb-pbm_setup/configure-agents.sh

@@ -51,10 +51,10 @@ do
     echo "configuring pmm agent on $node"
     docker compose -f docker-compose-rs.yaml exec -T -e PMM_AGENT_SETUP_NODE_NAME=${node}._${random_number} $node pmm-agent setup
     if [[ $mongo_setup_type == "psa" && $node == "rs103" ]]; then
-      docker compose -f docker-compose-rs.yaml exec -T $node pmm-admin add mongodb --enable-all-collectors --agent-password=mypass --environment=psmdb-dev --cluster=replicaset --replication-set=rs --host=${node} --port=27017 ${node}${gssapi_service_name_part}_${random_number}
+      docker compose -f docker-compose-rs.yaml exec -T $node pmm-admin add mongodb --enable-all-collectors --agent-password=mypass --environment=psmdb-dev --cluster=replicaset --replication-set=rs --agent-env-vars="KRB5_CLIENT_KTNAME" --host=${node} --port=27017  ${node}${gssapi_service_name_part}_${random_number}
     else
       echo
-      docker compose -f docker-compose-rs.yaml exec -T $node pmm-admin add mongodb --enable-all-collectors --agent-password=mypass --environment=psmdb-dev --cluster=replicaset --replication-set=rs ${client_credentials_flags[*]} --host=${node} --port=27017 ${node}${gssapi_service_name_part}_${random_number}
+      docker compose -f docker-compose-rs.yaml exec -T $node pmm-admin add mongodb --enable-all-collectors --agent-password=mypass --environment=psmdb-dev --cluster=replicaset --replication-set=rs ${client_credentials_flags[*]} --agent-env-vars="KRB5_CLIENT_KTNAME" --host=${node} --port=27017 ${node}${gssapi_service_name_part}_${random_number}
     fi
 done
 echo

pmm_psmdb-pbm_setup/configure-extra-agents.sh

@@ -49,8 +49,8 @@ do
     echo "configuring pmm agent on $node"
     docker compose -f docker-compose-rs.yaml exec -T -e PMM_AGENT_SETUP_NODE_NAME=${node}._${random_number} $node pmm-agent setup
     if [[ $mongo_setup_type == "psa" && $node == "rs203"  ]]; then
-      docker compose -f docker-compose-rs.yaml exec -T $node pmm-admin add mongodb --enable-all-collectors --agent-password=mypass --cluster=replicaset --replication-set=rs1 --host=${node} --port=27017 ${node}${gssapi_service_name_part}_${random_number}
+      docker compose -f docker-compose-rs.yaml exec -T $node pmm-admin add mongodb --enable-all-collectors --agent-password=mypass --cluster=replicaset --replication-set=rs1 --agent-env-vars="KRB5_CLIENT_KTNAME" --host=${node} --port=27017 ${node}${gssapi_service_name_part}_${random_number}
     else
-      docker compose -f docker-compose-rs.yaml exec -T $node pmm-admin add mongodb --enable-all-collectors --agent-password=mypass --cluster=replicaset ${client_credentials_flags[*]} --host=${node} --port=27017 ${node}${gssapi_service_name_part}_${random_number}
+      docker compose -f docker-compose-rs.yaml exec -T $node pmm-admin add mongodb --enable-all-collectors --agent-password=mypass --cluster=replicaset --agent-env-vars="KRB5_CLIENT_KTNAME" ${client_credentials_flags[*]} --host=${node} --port=27017 ${node}${gssapi_service_name_part}_${random_number}
     fi
 done

pmm_psmdb-pbm_setup/docker-compose-rs.yaml

@@ -289,4 +289,4 @@ networks:
 
 volumes:
   keytabs:
-    driver: local
+    driver: local