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+job "${job_name}" {
+ # The "region" parameter specifies the region in which to execute the job.
+ # If omitted, this inherits the default region name of "global".
+ # region = "global"
+ #
+ # The "datacenters" parameter specifies the list of datacenters which should
+ # be considered when placing this task. This must be provided.
+ datacenters = "${datacenters}"
+
+ # The "type" parameter controls the type of job, which impacts the scheduler's
+ # decision on placement. This configuration is optional and defaults to
+ # "service". For a full list of job types and their differences, please see
+ # the online documentation.
+ #
+ # For more information, please see the online documentation at:
+ #
+ # https://www.nomadproject.io/docs/jobspec/schedulers.html
+ #
+ type = "service"
+
+ update {
+ # The "max_parallel" parameter specifies the maximum number of updates to
+ # perform in parallel. In this case, this specifies to update a single task
+ # at a time.
+ max_parallel = 1
+
+ health_check = "checks"
+
+ # The "min_healthy_time" parameter specifies the minimum time the allocation
+ # must be in the healthy state before it is marked as healthy and unblocks
+ # further allocations from being updated.
+ min_healthy_time = "10s"
+
+ # The "healthy_deadline" parameter specifies the deadline in which the
+ # allocation must be marked as healthy after which the allocation is
+ # automatically transitioned to unhealthy. Transitioning to unhealthy will
+ # fail the deployment and potentially roll back the job if "auto_revert" is
+ # set to true.
+ healthy_deadline = "3m"
+
+ # The "progress_deadline" parameter specifies the deadline in which an
+ # allocation must be marked as healthy. The deadline begins when the first
+ # allocation for the deployment is created and is reset whenever an allocation
+ # as part of the deployment transitions to a healthy state. If no allocation
+ # transitions to the healthy state before the progress deadline, the
+ # deployment is marked as failed.
+ progress_deadline = "10m"
+
+%{ if use_canary }
+ # The "canary" parameter specifies that changes to the job that would result
+ # in destructive updates should create the specified number of canaries
+ # without stopping any previous allocations. Once the operator determines the
+ # canaries are healthy, they can be promoted which unblocks a rolling update
+ # of the remaining allocations at a rate of "max_parallel".
+ #
+ # Further, setting "canary" equal to the count of the task group allows
+ # blue/green deployments. When the job is updated, a full set of the new
+ # version is deployed and upon promotion the old version is stopped.
+ canary = 1
+
+ # Specifies if the job should auto-promote to the canary version when all
+ # canaries become healthy during a deployment. Defaults to false which means
+ # canaries must be manually updated with the nomad deployment promote
+ # command.
+ auto_promote = true
+
+ # The "auto_revert" parameter specifies if the job should auto-revert to the
+ # last stable job on deployment failure. A job is marked as stable if all the
+ # allocations as part of its deployment were marked healthy.
+ auto_revert = true
+%{ endif }
+ }
+
+ # All groups in this job should be scheduled on different hosts.
+ constraint {
+ operator = "distinct_hosts"
+ value = "true"
+ }
+
+ # The "group" stanza defines a series of tasks that should be co-located on
+ # the same Nomad client. Any task within a group will be placed on the same
+ # client.
+ #
+ # For more information and examples on the "group" stanza, please see
+ # the online documentation at:
+ #
+ # https://www.nomadproject.io/docs/job-specification/group.html
+ #
+ group "prod-group1-minio" {
+ # The "count" parameter specifies the number of the task groups that should
+ # be running under this group. This value must be non-negative and defaults
+ # to 1.
+ count = ${group_count}
+
+ # https://www.nomadproject.io/docs/job-specification/volume
+ %{ if use_host_volume }
+ volume "prod-volume1-minio" {
+ type = "host"
+ read_only = false
+ source = "${host_volume}"
+ }
+ %{ endif }
+
+ # The "task" stanza creates an individual unit of work, such as a Docker
+ # container, web application, or batch processing.
+ #
+ # For more information and examples on the "task" stanza, please see
+ # the online documentation at:
+ #
+ # https://www.nomadproject.io/docs/job-specification/task.html
+ #
+ task "prod-task1-minio" {
+ # The "driver" parameter specifies the task driver that should be used to
+ # run the task.
+ driver = "docker"
+
+ %{ if use_host_volume }
+ volume_mount {
+ volume = "prod-volume1-minio"
+ destination = "${data_dir}"
+ read_only = false
+ }
+ %{ endif }
+
+ %{ if use_vault_provider }
+ vault {
+ policies = "${vault_kv_policy_name}"
+ }
+ %{ endif }
+
+ # The "config" stanza specifies the driver configuration, which is passed
+ # directly to the driver to start the task. The details of configurations
+ # are specific to each driver, so please see specific driver
+ # documentation for more information.
+ config {
+ image = "${image}"
+ dns_servers = [ "$${attr.unique.network.ip-address}" ]
+ network_mode = "host"
+ command = "server"
+ args = [ "${host}:${port}${data_dir}" ]
+ port_map {
+ http = ${port}
+ }
+ privileged = false
+ }
+
+ # The env stanza configures a list of environment variables to populate
+ # the task's environment before starting.
+ env {
+%{ if use_vault_provider }
+{{ with secret "${vault_kv_path}" }}
+ MINIO_ACCESS_KEY = "{{ .Data.data.${vault_kv_field_access_key} }}"
+ MINIO_SECRET_KEY = "{{ .Data.data.${vault_kv_field_secret_key} }}"
+{{ end }}
+%{ else }
+ MINIO_ACCESS_KEY = "${access_key}"
+ MINIO_SECRET_KEY = "${secret_key}"
+%{ endif }
+ ${ envs }
+ }
+
+ # The service stanza instructs Nomad to register a service with Consul.
+ #
+ # For more information and examples on the "task" stanza, please see
+ # the online documentation at:
+ #
+ # https://www.nomadproject.io/docs/job-specification/service.html
+ #
+ service {
+ name = "${service_name}"
+ port = "http"
+ tags = [ "storage$${NOMAD_ALLOC_INDEX}" ]
+ check {
+ name = "Min.io Server HTTP Check Live"
+ type = "http"
+ port = "http"
+ protocol = "http"
+ method = "GET"
+ path = "/minio/health/live"
+ interval = "10s"
+ timeout = "2s"
+ }
+ check {
+ name = "Min.io Server HTTP Check Ready"
+ type = "http"
+ port = "http"
+ protocol = "http"
+ method = "GET"
+ path = "/minio/health/ready"
+ interval = "10s"
+ timeout = "2s"
+ }
+ }
+
+ # The "resources" stanza describes the requirements a task needs to
+ # execute. Resource requirements include memory, network, cpu, and more.
+ # This ensures the task will execute on a machine that contains enough
+ # resource capacity.
+ #
+ # For more information and examples on the "resources" stanza, please see
+ # the online documentation at:
+ #
+ # https://www.nomadproject.io/docs/job-specification/resources.html
+ #
+ resources {
+ cpu = ${cpu}
+ memory = ${memory}
+ # The network stanza specifies the networking requirements for the task
+ # group, including the network mode and port allocations. When scheduling
+ # jobs in Nomad they are provisioned across your fleet of machines along
+ # with other jobs and services. Because you don't know in advance what host
+ # your job will be provisioned on, Nomad will provide your tasks with
+ # network configuration when they start up.
+ #
+ # For more information and examples on the "template" stanza, please see
+ # the online documentation at:
+ #
+ # https://www.nomadproject.io/docs/job-specification/network.html
+ #
+ network {
+ port "http" {
+ static = ${port}
+ }
+ }
+ }
+ }
+ }
+}