refactor(terraform): Directory structure

Signed-off-by: Peter Mikus <pmikus@cisco.com>
Change-Id: I2f3cdf0241aaf7c4a8ba4e00b701df10c9165cf8

1 files changed, 0 insertions, 624 deletions

diff --git a/fdio.infra.terraform/1n_nmd/prometheus/conf/nomad/prometheus.hcl.tftpl b/fdio.infra.terraform/1n_nmd/prometheus/conf/nomad/prometheus.hcl.tftpl
deleted file mode 100644
index 224f7e5e00..0000000000
--- a/fdio.infra.terraform/1n_nmd/prometheus/conf/nomad/prometheus.hcl.tftpl
+++ /dev/null
@@ -1,624 +0,0 @@
-job "${job_name}" {
-  # The "region" parameter specifies the region in which to execute the job.
-  # If omitted, this inherits the default region name of "global".
-  # region    = "${region}"
-
-  # 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.
-  #
-  #     https://www.nomadproject.io/docs/jobspec/schedulers
-  #
-  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      = ${max_parallel}
-
-    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            = ${canary}
-
-    # 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      = ${auto_promote}
-
-    # 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       = ${auto_revert}
-%{ endif }
-  }
-
-  # The "group" stanza defines a series of tasks that should be co-located on
-  # the same Nomad client. Any task within a group will be placed on the same
-  # client.
-  #
-  #     https://www.nomadproject.io/docs/job-specification/group
-  #
-  group "${job_name}-group-1" {
-    # 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 = ${group_count}
-
-    # The volume stanza allows the group to specify that it requires a given
-    # volume from the cluster. The key of the stanza is the name of the volume
-    # as it will be exposed to task configuration.
-    #
-    # https://www.nomadproject.io/docs/job-specification/volume
-    %{ if use_host_volume }
-    volume "${job_name}-volume-1" {
-      type      = "host"
-      read_only = false
-      source    = "${volume_source}"
-    }
-    %{ endif }
-
-    # The restart stanza configures a tasks's behavior on task failure. Restarts
-    # happen on the client that is running the task.
-    #
-    # https://www.nomadproject.io/docs/job-specification/restart
-    #
-    restart {
-      interval  = "30m"
-      attempts  = 40
-      delay     = "15s"
-      mode      = "delay"
-    }
-
-    # The constraint allows restricting the set of eligible nodes. Constraints
-    # may filter on attributes or client metadata.
-    #
-    #     https://www.nomadproject.io/docs/job-specification/constraint
-    #
-    constraint {
-      attribute = "$${attr.cpu.arch}"
-      operator  = "!="
-      value     = "arm64"
-    }
-
-    constraint {
-      attribute = "$${node.class}"
-      value     = "builder"
-    }
-
-    # 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.
-    #
-    #     https://www.nomadproject.io/docs/job-specification/network
-    #
-    network {
-      port "${service_name}" {
-        static = ${port}
-        to     = ${port}
-      }
-    }
-
-    # The "task" stanza creates an individual unit of work, such as a Docker
-    # container, web application, or batch processing.
-    #
-    #     https://www.nomadproject.io/docs/job-specification/task
-    #
-    task "${job_name}-task-1" {
-      # The "driver" parameter specifies the task driver that should be used to
-      # run the task.
-      driver = "exec"
-
-    %{ if use_host_volume }
-      volume_mount {
-        volume      = "${job_name}-volume-1"
-        destination = "${volume_destination}"
-        read_only   = false
-      }
-    %{ endif }
-
-    %{ if use_vault_provider }
-      vault {
-        policies = "${vault_kv_policy_name}"
-      }
-    %{ endif }
-
-      # The "config" stanza specifies the driver configuration, which is passed
-      # directly to the driver to start the task. The details of configurations
-      # are specific to each driver, so please see specific driver
-      # documentation for more information.
-      config {
-        command         = "local/prometheus-${version}.linux-amd64/prometheus"
-        args            = [
-          "--config.file=secrets/prometheus.yml",
-          "--storage.tsdb.path=${volume_destination}prometheus/",
-          "--storage.tsdb.retention.time=7d"
-        ]
-      }
-
-      # The artifact stanza instructs Nomad to fetch and unpack a remote resource,
-      # such as a file, tarball, or binary. Nomad downloads artifacts using the
-      # popular go-getter library, which permits downloading artifacts from a
-      # variety of locations using a URL as the input source.
-      #
-      #     https://www.nomadproject.io/docs/job-specification/artifact
-      #
-      artifact {
-        source = "${url}"
-      }
-
-      # The "template" stanza instructs Nomad to manage a template, such as
-      # a configuration file or script. This template can optionally pull data
-      # from Consul or Vault to populate runtime configuration data.
-      #
-      #     https://www.nomadproject.io/docs/job-specification/template
-      #
-      template {
-        change_mode     = "noop"
-        change_signal   = "SIGINT"
-        destination     = "secrets/alerts.yml"
-        left_delimiter  = "{{{"
-        right_delimiter = "}}}"
-        data            = <<EOH
----
-groups:
-- name: "Jenkins Job Health Exporter"
-  rules:
-  - alert: JenkinsJobHealthExporterFailures
-    expr: jenkins_job_failure{id=~".*"} > jenkins_job_success{id=~".*"}
-    for: 0m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Jenkins Job Health detected high failure rate on jenkins jobs."
-      description: "Job: {{ $labels.id }}"
-  - alert: JenkinsJobHealthExporterUnstable
-    expr: jenkins_job_unstable{id=~".*"} > jenkins_job_success{id=~".*"}
-    for: 0m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Jenkins Job Health detected high unstable rate on jenkins jobs."
-      description: "Job: {{ $labels.id }}"
-- name: "Consul"
-  rules:
-  - alert: ConsulServiceHealthcheckFailed
-    expr: consul_catalog_service_node_healthy == 0
-    for: 0m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Consul service healthcheck failed (instance {{ $labels.instance }})."
-      description: "Service: `{{ $labels.service_name }}` Healthcheck: `{{ $labels.service_id }}`."
-  - alert: ConsulMissingMasterNode
-    expr: consul_raft_peers < 3
-    for: 0m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Consul missing master node (instance {{ $labels.instance }})."
-      description: "Numbers of consul raft peers should be 3, in order to preserve quorum."
-  - alert: ConsulAgentUnhealthy
-    expr: consul_health_node_status{status="critical"} == 1
-    for: 0m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Consul agent unhealthy (instance {{ $labels.instance }})."
-      description: "A Consul agent is down."
-- name: "Hosts"
-  rules:
-  - alert: NodeDown
-    expr: up == 0
-    for: 0m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Prometheus target missing (instance {{ $labels.instance }})."
-      description: "A Prometheus target has disappeared. An exporter might be crashed."
-  - alert: HostOutOfMemory
-    expr: node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 < 10
-    for: 2m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Host out of memory (instance {{ $labels.instance }})."
-      description: "Node memory is filling up (< 10% left)."
-  - alert: HostOomKillDetected
-    expr: increase(node_vmstat_oom_kill[1m]) > 0
-    for: 0m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Host OOM kill detected (instance {{ $labels.instance }})."
-      description: "OOM kill detected."
-  - alert: HostMemoryUnderMemoryPressure
-    expr: rate(node_vmstat_pgmajfault[1m]) > 1000
-    for: 2m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Host memory under memory pressure (instance {{ $labels.instance }})."
-      description: "The node is under heavy memory pressure. High rate of major page faults."
-  - alert: HostOutOfDiskSpace
-    expr: (node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0
-    for: 2m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Host out of disk space (instance {{ $labels.instance }})."
-      description: "Disk is almost full (< 10% left)."
-  - alert: HostRaidDiskFailure
-    expr: node_md_disks{state="failed"} > 0
-    for: 2m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Host RAID disk failure (instance {{ $labels.instance }})."
-      description: "At least one device in RAID array on {{ $labels.instance }} failed. Array {{ $labels.md_device }} needs attention and possibly a disk swap."
-  - alert: HostConntrackLimit
-    expr: node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8
-    for: 5m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Host conntrack limit (instance {{ $labels.instance }})."
-      description: "The number of conntrack is approching limit."
-  - alert: HostNetworkInterfaceSaturated
-    expr: (rate(node_network_receive_bytes_total{device!~"^tap.*"}[1m]) + rate(node_network_transmit_bytes_total{device!~"^tap.*"}[1m])) / node_network_speed_bytes{device!~"^tap.*"} > 0.8
-    for: 1m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Host Network Interface Saturated (instance {{ $labels.instance }})."
-      description: "The network interface {{ $labels.interface }} on {{ $labels.instance }} is getting overloaded."
-  - alert: HostSystemdServiceCrashed
-    expr: node_systemd_unit_state{state="failed"} == 1
-    for: 0m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Host SystemD service crashed (instance {{ $labels.instance }})."
-      description: "SystemD service crashed."
-  - alert: HostEdacCorrectableErrorsDetected
-    expr: increase(node_edac_correctable_errors_total[1m]) > 0
-    for: 0m
-    labels:
-      severity: info
-    annotations:
-      summary: "Host EDAC Correctable Errors detected (instance {{ $labels.instance }})."
-      description: '{{ $labels.instance }} has had {{ printf "%.0f" $value }} correctable memory errors reported by EDAC in the last 5 minutes.'
-  - alert: HostEdacUncorrectableErrorsDetected
-    expr: node_edac_uncorrectable_errors_total > 0
-    for: 0m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Host EDAC Uncorrectable Errors detected (instance {{ $labels.instance }})."
-      description: '{{ $labels.instance }} has had {{ printf "%.0f" $value }} uncorrectable memory errors reported by EDAC in the last 5 minutes.'
-- name: "Min.io"
-  rules:
-  - alert: MinioDiskOffline
-    expr: minio_offline_disks > 0
-    for: 0m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Minio disk offline (instance {{ $labels.instance }})"
-      description: "Minio disk is offline."
-  - alert: MinioStorageSpaceExhausted
-    expr: minio_disk_storage_free_bytes / 1024 / 1024 / 1024 < 10
-    for: 2m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Minio storage space exhausted (instance {{ $labels.instance }})."
-      description: "Minio storage space is low (< 10 GB)."
-- name: "Prometheus"
-  rules:
-  - alert: PrometheusConfigurationReloadFailure
-    expr: prometheus_config_last_reload_successful != 1
-    for: 0m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Prometheus configuration reload failure (instance {{ $labels.instance }})."
-      description: "Prometheus configuration reload error."
-  - alert: PrometheusTooManyRestarts
-    expr: changes(process_start_time_seconds{job=~"prometheus|pushgateway|alertmanager"}[15m]) > 2
-    for: 0m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Prometheus too many restarts (instance {{ $labels.instance }})."
-      description: "Prometheus has restarted more than twice in the last 15 minutes. It might be crashlooping."
-  - alert: PrometheusAlertmanagerConfigurationReloadFailure
-    expr: alertmanager_config_last_reload_successful != 1
-    for: 0m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Prometheus AlertManager configuration reload failure (instance {{ $labels.instance }})."
-      description: "AlertManager configuration reload error."
-  - alert: PrometheusRuleEvaluationFailures
-    expr: increase(prometheus_rule_evaluation_failures_total[3m]) > 0
-    for: 0m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Prometheus rule evaluation failures (instance {{ $labels.instance }})."
-      description: "Prometheus encountered {{ $value }} rule evaluation failures, leading to potentially ignored alerts."
-  - alert: PrometheusTargetScrapingSlow
-    expr: prometheus_target_interval_length_seconds{quantile="0.9"} > 60
-    for: 5m
-    labels:
-      severity: warning
-    annotations:
-      summary: "Prometheus target scraping slow (instance {{ $labels.instance }})."
-      description: "Prometheus is scraping exporters slowly."
-  - alert: PrometheusTsdbCompactionsFailed
-    expr: increase(prometheus_tsdb_compactions_failed_total[1m]) > 0
-    for: 0m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Prometheus TSDB compactions failed (instance {{ $labels.instance }})."
-      description: "Prometheus encountered {{ $value }} TSDB compactions failures."
-  - alert: PrometheusTsdbHeadTruncationsFailed
-    expr: increase(prometheus_tsdb_head_truncations_failed_total[1m]) > 0
-    for: 0m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Prometheus TSDB head truncations failed (instance {{ $labels.instance }})."
-      description: "Prometheus encountered {{ $value }} TSDB head truncation failures."
-  - alert: PrometheusTsdbWalCorruptions
-    expr: increase(prometheus_tsdb_wal_corruptions_total[1m]) > 0
-    for: 0m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Prometheus TSDB WAL corruptions (instance {{ $labels.instance }})."
-      description: "Prometheus encountered {{ $value }} TSDB WAL corruptions."
-  - alert: PrometheusTsdbWalTruncationsFailed
-    expr: increase(prometheus_tsdb_wal_truncations_failed_total[1m]) > 0
-    for: 0m
-    labels:
-      severity: critical
-    annotations:
-      summary: "Prometheus TSDB WAL truncations failed (instance {{ $labels.instance }})."
-      description: "Prometheus encountered {{ $value }} TSDB WAL truncation failures."
-EOH
-      }
-
-      template {
-        change_mode     = "noop"
-        change_signal   = "SIGINT"
-        destination     = "secrets/prometheus.yml"
-        data            = <<EOH
----
-global:
-  scrape_interval:     5s
-  scrape_timeout:      5s
-  evaluation_interval: 5s
-
-alerting:
-  alertmanagers:
-  - consul_sd_configs:
-    - server: '{{ env "NOMAD_IP_prometheus" }}:8500'
-      services: [ 'alertmanager' ]
-
-rule_files:
-  - 'alerts.yml'
-
-scrape_configs:
-
-  - job_name: 'Nomad Cluster'
-    consul_sd_configs:
-    - server: '{{ env "NOMAD_IP_prometheus" }}:8500'
-      services: [ 'nomad-client', 'nomad' ]
-    relabel_configs:
-    - source_labels: [__meta_consul_tags]
-      regex: '(.*)http(.*)'
-      action: keep
-    metrics_path: /v1/metrics
-    params:
-      format: [ 'prometheus' ]
-
-  - job_name: 'Consul Cluster'
-    static_configs:
-      - targets: [ '10.30.51.22:8500' ]
-      - targets: [ '10.30.51.24:8500' ]
-      - targets: [ '10.30.51.25:8500' ]
-      - targets: [ '10.30.51.26:8500' ]
-      - targets: [ '10.30.51.28:8500' ]
-      - targets: [ '10.30.51.29:8500' ]
-      - targets: [ '10.30.51.30:8500' ]
-      - targets: [ '10.30.51.39:8500' ]
-      - targets: [ '10.30.51.40:8500' ]
-      - targets: [ '10.30.51.50:8500' ]
-      - targets: [ '10.30.51.51:8500' ]
-      - targets: [ '10.30.51.65:8500' ]
-      - targets: [ '10.30.51.66:8500' ]
-      - targets: [ '10.30.51.67:8500' ]
-      - targets: [ '10.30.51.68:8500' ]
-      - targets: [ '10.30.51.70:8500' ]
-      - targets: [ '10.30.51.71:8500' ]
-      - targets: [ '10.32.8.14:8500' ]
-      - targets: [ '10.32.8.15:8500' ]
-      - targets: [ '10.32.8.16:8500' ]
-      - targets: [ '10.32.8.17:8500' ]
-    metrics_path: /v1/agent/metrics
-    params:
-      format: [ 'prometheus' ]
-
-  - job_name: 'Blackbox Exporter (icmp)'
-    static_configs:
-      - targets: [ 'gerrit.fd.io' ]
-      - targets: [ 'jenkins.fd.io' ]
-      - targets: [ '10.32.8.17' ]
-    params:
-      module: [ 'icmp_v4' ]
-    relabel_configs:
-      - source_labels: [__address__]
-        target_label: __param_target
-      - source_labels: [__param_target]
-        target_label: instance
-      - target_label: __address__
-        replacement: localhost:9115
-    metrics_path: /probe
-
-  - job_name: 'Blackbox Exporter (http)'
-    static_configs:
-      - targets: [ 'gerrit.fd.io' ]
-      - targets: [ 'jenkins.fd.io' ]
-    params:
-      module: [ 'http_2xx' ]
-    relabel_configs:
-      - source_labels: [__address__]
-        target_label: __param_target
-      - source_labels: [__param_target]
-        target_label: instance
-      - target_label: __address__
-        replacement: localhost:9115
-    metrics_path: /probe
-
-  - job_name: 'Jenkins Job Health Exporter'
-    static_configs:
-      - targets: [ '10.30.51.22:9186' ]
-    metric_relabel_configs:
-      - source_labels: [ __name__ ]
-        regex: '^(vpp.*|csit.*)_(success|failure|total|unstable|reqtime_ms)$'
-        action: replace
-        replacement: '$1'
-        target_label: id
-      - source_labels: [ __name__ ]
-        regex: '^(vpp.*|csit.*)_(success|failure|total|unstable|reqtime_ms)$'
-        replacement: 'jenkins_job_$2'
-        target_label: __name__
-
-  - job_name: 'Node Exporter'
-    static_configs:
-      - targets: [ '10.30.51.22:9100' ]
-      - targets: [ '10.30.51.24:9100' ]
-      - targets: [ '10.30.51.25:9100' ]
-      - targets: [ '10.30.51.26:9100' ]
-      - targets: [ '10.30.51.28:9100' ]
-      - targets: [ '10.30.51.29:9100' ]
-      - targets: [ '10.30.51.30:9100' ]
-      - targets: [ '10.30.51.39:9100' ]
-      - targets: [ '10.30.51.40:9100' ]
-      - targets: [ '10.30.51.50:9100' ]
-      - targets: [ '10.30.51.51:9100' ]
-      - targets: [ '10.30.51.65:9100' ]
-      - targets: [ '10.30.51.66:9100' ]
-      - targets: [ '10.30.51.67:9100' ]
-      - targets: [ '10.30.51.68:9100' ]
-      - targets: [ '10.30.51.70:9100' ]
-      - targets: [ '10.30.51.71:9100' ]
-      - targets: [ '10.32.8.14:9100' ]
-      - targets: [ '10.32.8.15:9100' ]
-      - targets: [ '10.32.8.16:9100' ]
-      - targets: [ '10.32.8.17:9100' ]
-
-  - job_name: 'Alertmanager'
-    consul_sd_configs:
-    - server: '{{ env "NOMAD_IP_prometheus" }}:8500'
-      services: [ 'alertmanager' ]
-
-  - job_name: 'Grafana'
-    consul_sd_configs:
-    - server: '{{ env "NOMAD_IP_prometheus" }}:8500'
-      services: [ 'grafana' ]
-
-  - job_name: 'Prometheus'
-    consul_sd_configs:
-    - server: '{{ env "NOMAD_IP_prometheus" }}:8500'
-      services: [ 'prometheus' ]
-
-  - job_name: 'Minio'
-    bearer_token: eyJhbGciOiJIUzUxMiIsInR5cCI6IkpXVCJ9.eyJleHAiOjQ3NjQ1ODEzMzcsImlzcyI6InByb21ldGhldXMiLCJzdWIiOiJtaW5pbyJ9.oeTw3EIaiFmlDikrHXWiWXMH2vxLfDLkfjEC7G2N3M_keH_xyA_l2ofLLNYtopa_3GCEZnxLQdPuFZrmgpkDWg
-    consul_sd_configs:
-    - server: '{{ env "NOMAD_IP_prometheus" }}:8500'
-      services: [ 'storage' ]
-    metrics_path: /minio/prometheus/metrics
-
-  - job_name: 'Minio Proxy'
-    bearer_token: eyJhbGciOiJIUzUxMiIsInR5cCI6IkpXVCJ9.eyJleHAiOjQ3OTAwNjE1NDIsImlzcyI6InByb21ldGhldXMiLCJzdWIiOiJBS0lBUTJBSDdZUFBXVDZDV1hYSSJ9.CU9x9j-yO0_Uta5iep6yqNiGQPolrr2608E3lpU6Yg21rIv_eOwS5zqzXaSvrhzkJP9H5kO1Pj6kqjYhbqjN_w
-    consul_sd_configs:
-    - server: '{{ env "NOMAD_IP_prometheus" }}:8500'
-      services: [ 'minio' ]
-    metrics_path: /minio/v2/metrics/cluster
-EOH
-      }
-
-      # The service stanza instructs Nomad to register a service with Consul.
-      #
-      #     https://www.nomadproject.io/docs/job-specification/service
-      #
-      service {
-        name       = "${service_name}"
-        port       = "${service_name}"
-        tags       = [ "${service_name}$${NOMAD_ALLOC_INDEX}" ]
-        check {
-          name     = "Prometheus Check Live"
-          type     = "http"
-          path     = "/-/healthy"
-          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.
-      #
-      #     https://www.nomadproject.io/docs/job-specification/resources
-      #
-      resources {
-        cpu    = ${cpu}
-        memory = ${memory}
-      }
-    }
-  }
-}