started mongo sharding

deploy/nomad_jobs/asapo-mongo-sharded.nmd.in

+job "asapo-mongo-sharded" {
+  datacenters = ["dc1"]
+
+  update {
+    max_parallel = 1
+    min_healthy_time = "10s"
+    healthy_deadline = "3m"
+    auto_revert = false
+  }
+
+  group "mongo-config-srv" {
+    count = 1
+
+    restart {
+      attempts = 0
+      interval = "3m"
+      delay = "15s"
+      mode = "fail"
+    }
+
+    task "mongo-config-srv" {
+      driver = "docker"
+
+      config {
+        network_mode = "host"
+        image = "mongo:4.0.0"
+        dns_servers = ["127.0.0.1"]
+        volumes = ["/${meta.shared_storage}/mongodb_config:/data/configdb"]
+        command = "mongod"
+        args = ["--config","local/mongo-configsrv.yaml"]
+
+      }
+
+      resources {
+        network {
+          port "config" {
+          static = 27010
+          }
+        }
+      }
+
+      service {
+        port = "config"
+        name = "mongo-config-srv"
+        check {
+          type     = "script"
+          name     = "alive"
+          command  = "mongo"
+          args     = ["--port","27010","--eval","db.version()"]
+          interval = "10s"
+          timeout  = "5s"
+        }
+        check_restart {
+          limit = 0
+          grace = "90s"
+          ignore_warnings = false
+        }
+      }
+
+      template {
+         source        = "@NOMAD_INSTALL@/mongo-configsrv.yaml.tpl"
+         destination   = "local/mongo-configsrv.yaml"
+         change_mode   = "restart"
+      }
+
+
+    }
+  } # config server group
+  group "mongo-shard1" {
+    count = 1
+
+    restart {
+      attempts = 0
+      interval = "3m"
+      delay = "15s"
+      mode = "fail"
+    }
+
+    task "mongo-shard1" {
+      driver = "docker"
+
+      config {
+        network_mode = "host"
+        image = "mongo:4.0.0"
+        dns_servers = ["127.0.0.1"]
+        volumes = ["/${meta.shared_storage}/mongodb_shard1:/data/db"]
+        command = "mongod"
+        args = ["--config","local/mongo-shardsrv.yaml"]
+
+      }
+
+      resources {
+        network {
+          port "shard" {
+          static = 27011
+          }
+        }
+      }
+
+      service {
+        port = "shard"
+        name = "mongo-shard1"
+        check {
+          type     = "script"
+          name     = "alive"
+          command  = "mongo"
+          args     = ["--port","27011","--eval","db.version()"]
+          interval = "10s"
+          timeout  = "5s"
+        }
+        check_restart {
+          limit = 0
+          grace = "90s"
+          ignore_warnings = false
+        }
+      }
+      template {
+         source        = "@NOMAD_INSTALL@/mongo-shardsrv.yaml.tpl"
+         destination   = "local/mongo-shardsrv.yaml"
+         change_mode   = "restart"
+      }
+    }
+  } # shard1 group
+  group "mongos" {
+    count = 1
+
+    restart {
+      attempts = 0
+      interval = "3m"
+      delay = "15s"
+      mode = "fail"
+    }
+
+    task "mongos" {
+      driver = "docker"
+
+      config {
+        network_mode = "host"
+        image = "mongo:4.0.0"
+        dns_servers = ["127.0.0.1"]
+        command = "mongos"
+        args = ["--config","local/mongo-mongos.yaml"]
+
+      }
+
+      resources {
+        network {
+          port "mongos" {
+          static = 27017
+          }
+        }
+      }
+
+      service {
+        port = "mongos"
+        name = "mongos"
+        check {
+          type     = "script"
+          name     = "alive"
+          command  = "mongo"
+          args     = ["--eval","db.version()"]
+          interval = "10s"
+          timeout  = "5s"
+        }
+        check_restart {
+          limit = 0
+          grace = "90s"
+          ignore_warnings = false
+        }
+      }
+      template {
+         source        = "@NOMAD_INSTALL@/mongo-mongos.yaml.tpl"
+         destination   = "local/mongo-mongos.yaml"
+         change_mode   = "restart"
+      }
+    }
+  } # mongos group
+
+}

deploy/nomad_jobs/init_mongo.sh

+#!/usr/bin/env bash
+
+mongoaddr=`dig +short @127.0.0.1 mongo-config-srv.service.asapo | head -1`
+cont=$(ssh $mongoaddr bash -c "'docker ps | grep mongo-config-srv'")
+image=`echo "${cont##* }"`
+ssh $mongoaddr docker exec $image bash -c "'echo \"rs.initiate()\" | mongo --port 27010'"
+
+
+mongoaddr=`dig +short @127.0.0.1 mongos.service.asapo | head -1`
+cont=$(ssh $mongoaddr bash -c "'docker ps | grep mongos'")
+image=`echo "${cont##* }"`
+
+shardaddr=`dig +short @127.0.0.1 mongo-shard1.service.asapo | head -1`
+
+
+ssh $mongoaddr docker exec $image bash -c "'echo \"sh.addShard('\"'$shardaddr:27011'\"')\" | mongo'"
+

deploy/nomad_jobs/mongo-configsrv.yaml.tpl

+sharding:
+  clusterRole: configsvr
+replication:
+  replSetName: config
+net:
+  bindIp: {{ env "attr.unique.network.ip-address" }}
+  port: {{ env "NOMAD_PORT_config" }}

deploy/nomad_jobs/mongo-mongos.yaml.tpl

+sharding:
+  configDB: "config/mongo-config-srv.service.asapo:27010"
+net:
+  bindIp: {{ env "attr.unique.network.ip-address" }}
+  port: {{ env "NOMAD_PORT_mongos" }}

deploy/nomad_jobs/mongo-shardsrv.yaml.tpl

+sharding:
+  clusterRole: shardsvr
+net:
+  bindIp: {{ env "attr.unique.network.ip-address" }}
+  port: {{ env "NOMAD_PORT_shard" }}