work on multi-node swarm cluster

Author: alexei-led

swarm/0_swarm_cluster_mac.sh

@@ -4,8 +4,11 @@
 NUM_WORKERS=3
 [ -z "$NUM_WORKERS" ] && NUM_WORKERS=3
 
-# init Swarm master
-docker swarm init
+# init swarm (need for service command); if not created
+docker node ls 2> /dev/null | grep "Leader"
+if [ $? -ne 0 ]; then
+  docker swarm init > /dev/null 2>&1
+fi
 
 # get join token
 SWARM_TOKEN=$(docker swarm join-token -q worker)
@@ -16,7 +19,18 @@ sleep 5
 
 # run NUM_WORKERS workers with SWARM_TOKEN
 for i in $(seq "${NUM_WORKERS}"); do
-  docker run -d --privileged --name worker-${i} --hostname=worker-${i} -p ${i}2375:2375 docker:1.12.1-dind
+  # remove node from cluster if exists
+  docker node rm --force $(docker node ls --filter "name=worker-${i}" -q) > /dev/null 2>&1
+  # remove worker contianer with same name if exists
+  docker rm --force $(docker ps -q --filter "name=worker-${i}") > /dev/null 2>&1
+  # run new worker container
+  docker run -d --privileged --name worker-${i} --hostname=worker-${i} \
+    -p ${i}2375:2375 \
+    -p ${i}5000:5000 \
+    -p ${i}5001:5001 \
+    -p ${i}5601:5601 \
+    docker:1.12.1-dind
+  # add worker container to the cluster
   docker --host=localhost:${i}2375 swarm join --token ${SWARM_TOKEN} ${SWARM_MASTER}:2377
 done
 
@@ -25,3 +39,11 @@ echo "Local Swarm Cluster"
 echo "==================="
 
 docker node ls
+
+# echo swarm visualizer
+echo "Local Swarm Visualizer"
+echo "==================="
+docker run -it -d --name swarm_visuzalizer \
+  -p 8000:8000 -e HOST=localhost -e PORT=8000 \
+  -v /var/run/docker.sock:/var/run/docker.sock \
+  manomarks/visualizer  > /dev/null 2>&1

swarm/1_deploy.sh

@@ -9,11 +9,6 @@ echo "Overwrite DEMO_TAG, DEMO_REP, DEMO_NET and DEMO_DB_VOL to customize demo e
 [ -z "$DEMO_NET" ] && DEMO_NET="voteapp"
 [ -z "$DEMO_DB_VOL" ] && DEMO_DB_VOL="db-data"
 
-# init swarm (need for service command); if not created
-docker node ls 2> /dev/null | grep "Leader"
-if [ $? -ne 0 ]; then
-  docker swarm init
-fi
 
 # create network, if not exists
 docker network ls --filter "name=${DEMO_NET}" | grep -w "${DEMO_NET}"

swarm/2_deploy_tugbot.sh

@@ -2,22 +2,34 @@
 
 echo "Deploy Tugbot services ..."
 
-# create tugbot service
+# create tugbot service (global)
 docker service ls --filter "name=tugbot-run" | grep "tugbot-run"
 if [ $? -ne 0 ]; then
-  docker service create --name tugbot-run --network voteapp --mount type=bind,source=/var/run/docker.sock,target=/var/run/docker.sock gaiadocker/tugbot:latest
+  docker service create --name tugbot-run \
+    --network voteapp \
+    --mode global \
+    --mount type=bind,source=/var/run/docker.sock,target=/var/run/docker.sock \
+    gaiadocker/tugbot:latest
 fi
 
 # create tugbot leader service (on each Swarm master)
 docker service ls --filter "name=tugbot-leader" | grep "tugbot-leader"
 if [ $? -ne 0 ]; then
-  docker service create --constraint "node.role == manager" --name tugbot-leader --network voteapp --mount type=bind,source=/var/run/docker.sock,target=/var/run/docker.sock gaiadocker/tugbot-leader:latest
+  docker service create --constraint "node.role == manager" --name tugbot-leader \
+    --env "TUGBOT_LEADER_INTERVAL=10s"\
+    --network voteapp \
+    --mount type=bind,source=/var/run/docker.sock,target=/var/run/docker.sock \
+    gaiadocker/tugbot-leader:latest
 fi
 
-# create tugbot collect
+# create tugbot collect (global)
 docker service ls --filter "name=tugbot-collect" | grep "tugbot-collect"
 if [ $? -ne 0 ]; then
-  docker service create --name tugbot-collect --network voteapp --mount type=bind,source=/var/run/docker.sock,target=/var/run/docker.sock gaiadocker/tugbot-collect:latest tugbot-collect -g null -c http://tugbot-result-service-es:8081/results
+  docker service create --name tugbot-collect \
+    --network voteapp \
+    --mode global \
+    --mount type=bind,source=/var/run/docker.sock,target=/var/run/docker.sock \
+    gaiadocker/tugbot-collect:latest tugbot-collect -g null -c http://tugbot-result-service-es:8081/results
 fi
 
 # create tugbot result-service-es

swarm/5_bug_on_off.sh

@@ -11,7 +11,7 @@ else
 fi
 
 if [ -z "$2" ]; then
-  SLEEP=15
+  SLEEP=30
 else
   SLEEP=$2
 fi

swarm/9_clean.sh

@@ -12,6 +12,3 @@ while [ $? -ne 0 ]; do
   sleep 2
   docker volume rm db-data 2>/dev/null
 done
-
-# remove swarm cluster
-docker swarm leave --force

swarm/9_x_clean_swarm_mac.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# vars
+NUM_WORKERS=3
+[ -z "$NUM_WORKERS" ] && NUM_WORKERS=3
+
+# remove nodes
+# run NUM_WORKERS workers with SWARM_TOKEN
+for i in $(seq "${NUM_WORKERS}"); do
+  docker node rm --force worker-${i} > /dev/null 2>&1
+  docker rm --force worker-${i} > /dev/null 2>&1
+done
+
+# remove swarm cluster master
+docker swarm leave --force > /dev/null 2>&1
+
+# remove swarm visuzalizer
+docker rm --force swarm_visualizer > /dev/null 2>&1