{"id":6238,"date":"2022-08-25T17:53:35","date_gmt":"2022-08-25T08:53:35","guid":{"rendered":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=6238"},"modified":"2022-08-25T17:56:00","modified_gmt":"2022-08-25T08:56:00","slug":"autoscaler-job","status":"publish","type":"post","link":"https:\/\/www.skyer9.pe.kr\/wordpress\/?p=6238","title":{"rendered":"Autoscaler job"},"content":{"rendered":"

Autoscaler job<\/h1>\n

Autoscaler job \ub4f1\ub85d<\/h2>\n
vi aws_autoscaler.nomad\n-----------------------------\njob "autoscaler" {\n  datacenters = ["dc1"]\n\n  group "autoscaler" {\n    count = 1\n\n    network {\n      port "http" {}\n    }\n\n    task "autoscaler" {\n      driver = "docker"\n      config {\n        image   = "hashicorp\/nomad-autoscaler:0.3.5"\n        ports = ["http"]\n\n        auth_soft_fail = true\n\n        command = "nomad-autoscaler"\n        args = [\n          "agent",\n          "-config",\n          "$${NOMAD_TASK_DIR}\/config.hcl",\n          "-http-bind-address",\n          "0.0.0.0",\n          "-http-bind-port",\n          "$${NOMAD_PORT_http}",\n          "-policy-dir",\n          "$${NOMAD_TASK_DIR}\/policies\/",\n        ]\n      }\n\n      template {\n        data = <<EOF\nnomad {\n  address = "http:\/\/{{env "attr.unique.network.ip-address" }}:4646"\n}\napm "prometheus" {\n  driver = "prometheus"\n  config = {\n    address = "http:\/\/{{ range service "prometheus" }}{{ .Address }}:{{ .Port }}{{ end }}"\n  }\n}\n# Datadog example template is below. In order to use the example config section\n# you will need to remove the first line "#" comments as well as the golang\n# template comment markers which are "- \/*" and "*\/".\n#\n# apm "datadog" {\n#   driver = "datadog"\n#   config = {\n# {{- \/* with secret "secret\/autoscaler\/datadog" }}\n#     dd_api_key = "{{ .Data.data.api_key }}"\n#     dd_app_key = "{{ .Data.data.app_key }}"\n# {{ end *\/ -}}\n#   }\n# }\ntarget "aws-asg" {\n  driver = "aws-asg"\n  config = {\n    aws_region = "{{ $x := env "attr.platform.aws.placement.availability-zone" }}{{ $length := len $x |subtract 1 }}{{ slice $x 0 $length}}"\n  }\n}\nstrategy "target-value" {\n  driver = "target-value"\n}\nEOF\n\n        destination = "$${NOMAD_TASK_DIR}\/config.hcl"\n      }\n\n      template {\n        data = <<EOF\nscaling "cluster_policy" {\n  enabled = true\n  min     = 1\n  max     = 2\n  policy {\n    cooldown            = "2m"\n    evaluation_interval = "1m"\n    check "cpu_allocated_percentage" {\n      source = "prometheus"\n      query  = "sum(nomad_client_allocated_cpu*100\/(nomad_client_unallocated_cpu+nomad_client_allocated_cpu))\/count(nomad_client_allocated_cpu)"\n      strategy "target-value" {\n        target = 70\n      }\n    }\n    # Datadog example\n    # check "cpu_allocated_percentage" {\n    #   source       = "datadog"\n    #   query        = "avg:nomad.client.allocated.cpu{*}\/(avg:nomad.client.unallocated.cpu{*}+avg:nomad.client.allocated.cpu{*})*100"\n    #   query_window = "2m"\n    #   strategy "target-value" {\n    #     target = 70\n    #   }\n    # }\n    check "mem_allocated_percentage" {\n      source = "prometheus"\n      query  = "sum(nomad_client_allocated_memory*100\/(nomad_client_unallocated_memory+nomad_client_allocated_memory))\/count(nomad_client_allocated_memory)"\n      strategy "target-value" {\n        target = 70\n      }\n    }\n    # Datadog example\n    # check "memory_allocated_percentage" {\n    #   source       = "datadog"\n    #   query        = "avg:nomad.client.allocated.memory{*}\/(avg:nomad.client.unallocated.memory{*}+avg:nomad.client.allocated.memory{*})*100"\n    #   query_window = "2m"\n    #   strategy "target-value" {\n    #     target = 70\n    #   }\n    # }\n    target "aws-asg" {\n      dry-run             = "false"\n      aws_asg_name        = "my-nomad_client"         # client \ub178\ub4dc asg \uc774\ub984\n      node_class          = "hashistack"\n      node_drain_deadline = "5m"\n    }\n  }\n}\nEOF\n\n        destination = "$${NOMAD_TASK_DIR}\/policies\/hashistack.hcl"\n      }\n\n      resources {\n        cpu    = 50\n        memory = 128\n      }\n\n      service {\n        name = "autoscaler"\n        port = "http"\n        check {\n          type     = "http"\n          path     = "\/v1\/health"\n          interval = "5s"\n          timeout  = "2s"\n        }\n      }\n    }\n  }\n}\n-----------------------------<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
Autoscaler job Autoscaler job \ub4f1\ub85d vi aws_autoscaler.nomad —————————– job "autoscaler" { datacenters = ["dc1"] group "autoscaler" { count = 1 network { port "http" {} } task "autoscaler" { driver = "docker" config { image = "hashicorp\/nomad-autoscaler:0.3.5" ports = ["http"] auth_soft_fail = true command = "nomad-autoscaler" args = [ "agent", "-config", "$${NOMAD_TASK_DIR}\/config.hcl", "-http-bind-address", "0.0.0.0", "-http-bind-port",\u2026 Read More »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31,30],"tags":[],"class_list":["post-6238","post","type-post","status-publish","format-standard","hentry","category-nomad","category-terraform"],"_links":{"self":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6238"}],"version-history":[{"count":2,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6238\/revisions"}],"predecessor-version":[{"id":6240,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6238\/revisions\/6240"}],"wp:attachment":[{"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyer9.pe.kr\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}