github.com/anth0d/nomad@v0.0.0-20221214183521-ae3a0a2cad06/e2e/e2eutil/input/disconnect-node.nomad (about)

     1  variable "nodeID" {
     2    type = string
     3  }
     4  
     5  variable "time" {
     6    type    = string
     7    default = "0"
     8  }
     9  
    10  job "disconnect-node" {
    11    type        = "batch"
    12    datacenters = ["dc1", "dc2"]
    13  
    14    group "group" {
    15  
    16      reschedule {
    17        attempts  = 0
    18        unlimited = false
    19      }
    20  
    21      # need to prevent the task from being restarted on reconnect, if
    22      # we're stopped long enough for the node to be marked down
    23      max_client_disconnect = "1h"
    24  
    25      constraint {
    26        attribute = "${attr.kernel.name}"
    27        value     = "linux"
    28      }
    29      constraint {
    30        attribute = "${node.unique.id}"
    31        value     = "${var.nodeID}"
    32      }
    33  
    34      task "task" {
    35        driver = "raw_exec"
    36        user   = "root"
    37        config {
    38          command = "/bin/sh"
    39          args = ["-c",
    40            # before disconnecting, we need to sleep long enough for the
    41            # task to register itself, otherwise we end up trying to
    42            # re-run the task immediately on reconnect
    43          "sleep 5; iptables -I OUTPUT -p tcp --dport 4647 -j DROP; sleep ${var.time}; iptables -D OUTPUT -p tcp --dport 4647 -j DROP"]
    44        }
    45      }
    46  
    47    }
    48  }