From a44eef233de959c5679602dc6cd1ed866d6abc14 Mon Sep 17 00:00:00 2001 From: pmikus Date: Thu, 7 Jan 2021 14:27:38 +0000 Subject: [PATCH] Infra: Monitoring capability + Monitoring SOA + Nomad alertmanager job + Nomad prometheus job + Nomad grafana job Signed-off-by: pmikus Change-Id: I0b32e9c87276ba1a2d4a5322816f3473c737eae2 --- .../ansible/roles/consul/tasks/main.yaml | 14 +- .../roles/consul/templates/telemetry.hcl.j2 | 3 + terraform-ci-infra/1n_nmd/.terraform.lock.hcl | 0 .../alertmanager/conf/nomad/alertmanager.hcl | 333 + terraform-ci-infra/1n_nmd/alertmanager/main.tf | 37 + .../1n_nmd/alertmanager/variables.tf | 84 + .../1n_nmd/exporter/conf/nomad/exporter.hcl | 587 + terraform-ci-infra/1n_nmd/exporter/main.tf | 64 + terraform-ci-infra/1n_nmd/exporter/variables.tf | 76 + .../grafana/conf/blackbox_exporter_http.json | 1030 ++ .../grafana/conf/blackbox_exporter_icmp.json | 368 + terraform-ci-infra/1n_nmd/grafana/conf/consul.json | 1438 ++ .../1n_nmd/grafana/conf/docker_cadvisor.json | 2040 +++ .../1n_nmd/grafana/conf/node_exporter.json | 13696 +++++++++++++++++++ terraform-ci-infra/1n_nmd/grafana/conf/nomad.json | 869 ++ .../1n_nmd/grafana/conf/nomad/grafana.hcl | 331 + .../1n_nmd/grafana/conf/prometheus.json | 3055 +++++ terraform-ci-infra/1n_nmd/grafana/main.tf | 24 + terraform-ci-infra/1n_nmd/grafana/variables.tf | 66 + terraform-ci-infra/1n_nmd/main.tf | 186 +- .../1n_nmd/prometheus/conf/nomad/prometheus.hcl | 569 + terraform-ci-infra/1n_nmd/prometheus/main.tf | 37 + terraform-ci-infra/1n_nmd/prometheus/variables.tf | 84 + terraform-ci-infra/1n_nmd/terraform.tfstate | 558 +- terraform-ci-infra/1n_nmd/terraform.tfstate.backup | 625 +- 25 files changed, 26111 insertions(+), 63 deletions(-) create mode 100644 resources/tools/testbed-setup/ansible/roles/consul/templates/telemetry.hcl.j2 mode change 100755 => 100644 terraform-ci-infra/1n_nmd/.terraform.lock.hcl create mode 100644 terraform-ci-infra/1n_nmd/alertmanager/conf/nomad/alertmanager.hcl create mode 100644 terraform-ci-infra/1n_nmd/alertmanager/main.tf create mode 100644 terraform-ci-infra/1n_nmd/alertmanager/variables.tf create mode 100644 terraform-ci-infra/1n_nmd/exporter/conf/nomad/exporter.hcl create mode 100644 terraform-ci-infra/1n_nmd/exporter/main.tf create mode 100644 terraform-ci-infra/1n_nmd/exporter/variables.tf create mode 100644 terraform-ci-infra/1n_nmd/grafana/conf/blackbox_exporter_http.json create mode 100644 terraform-ci-infra/1n_nmd/grafana/conf/blackbox_exporter_icmp.json create mode 100644 terraform-ci-infra/1n_nmd/grafana/conf/consul.json create mode 100644 terraform-ci-infra/1n_nmd/grafana/conf/docker_cadvisor.json create mode 100644 terraform-ci-infra/1n_nmd/grafana/conf/node_exporter.json create mode 100644 terraform-ci-infra/1n_nmd/grafana/conf/nomad.json create mode 100644 terraform-ci-infra/1n_nmd/grafana/conf/nomad/grafana.hcl create mode 100644 terraform-ci-infra/1n_nmd/grafana/conf/prometheus.json create mode 100644 terraform-ci-infra/1n_nmd/grafana/main.tf create mode 100644 terraform-ci-infra/1n_nmd/grafana/variables.tf create mode 100644 terraform-ci-infra/1n_nmd/prometheus/conf/nomad/prometheus.hcl create mode 100644 terraform-ci-infra/1n_nmd/prometheus/main.tf create mode 100644 terraform-ci-infra/1n_nmd/prometheus/variables.tf diff --git a/resources/tools/testbed-setup/ansible/roles/consul/tasks/main.yaml b/resources/tools/testbed-setup/ansible/roles/consul/tasks/main.yaml index 9d1ca1980d..f87590edb7 100644 --- a/resources/tools/testbed-setup/ansible/roles/consul/tasks/main.yaml +++ b/resources/tools/testbed-setup/ansible/roles/consul/tasks/main.yaml @@ -125,6 +125,16 @@ tags: - consul-conf +- name: Conf - Telemetry Configuration + template: + src: telemetry.hcl.j2 + dest: "{{ consul_config_dir }}/telemetry.hcl" + owner: "{{ consul_user }}" + group: "{{ consul_group }}" + mode: 0644 + tags: + - consul-conf + - name: Conf - Services Configuration template: src: services.json.j2 @@ -156,8 +166,8 @@ owner: "root" group: "root" mode: 0644 - notify: - - "Restart Consul" +# notify: +# - "Restart Consul" # - "Stop Systemd-resolved" # - "Restart Nomad" tags: diff --git a/resources/tools/testbed-setup/ansible/roles/consul/templates/telemetry.hcl.j2 b/resources/tools/testbed-setup/ansible/roles/consul/templates/telemetry.hcl.j2 new file mode 100644 index 0000000000..ec7fabc9da --- /dev/null +++ b/resources/tools/testbed-setup/ansible/roles/consul/templates/telemetry.hcl.j2 @@ -0,0 +1,3 @@ +telemetry { + prometheus_retention_time = "24h" +} \ No newline at end of file diff --git a/terraform-ci-infra/1n_nmd/.terraform.lock.hcl b/terraform-ci-infra/1n_nmd/.terraform.lock.hcl old mode 100755 new mode 100644 diff --git a/terraform-ci-infra/1n_nmd/alertmanager/conf/nomad/alertmanager.hcl b/terraform-ci-infra/1n_nmd/alertmanager/conf/nomad/alertmanager.hcl new file mode 100644 index 0000000000..4560cf07ab --- /dev/null +++ b/terraform-ci-infra/1n_nmd/alertmanager/conf/nomad/alertmanager.hcl @@ -0,0 +1,333 @@ +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 + # + 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 } + } + + # 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 + # + group "prod-group1-${service_name}" { + # 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 constraint allows restricting the set of eligible nodes. Constraints + # may filter on attributes or client metadata. + # + # For more information and examples on the "volume" stanza, please see + # the online documentation at: + # + # https://www.nomadproject.io/docs/job-specification/constraint + # + constraint { + attribute = "$${attr.cpu.arch}" + operator = "!=" + value = "arm64" + } + + # 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 + # + task "prod-task1-${service_name}" { + # The "driver" parameter specifies the task driver that should be used to + # run the task. + driver = "exec" + + %{ 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/alertmanager-${version}.linux-amd64/alertmanager" + args = [ + "--config.file=secrets/alertmanager.yml" + ] + } + + # 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. + # + # For more information and examples on the "artifact" stanza, please see + # the online documentation at: + # + # 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. + # + # For more information and examples on the "template" stanza, please see + # the online documentation at: + # + # https://www.nomadproject.io/docs/job-specification/template + # + template { + change_mode = "noop" + change_signal = "SIGINT" + destination = "secrets/alertmanager.yml" + left_delimiter = "{{{" + right_delimiter = "}}}" + data = < ] +# +# # Certificate and key files for client cert authentication to the server. +# cert_file: +# key_file: +# +# # ServerName extension to indicate the name of the server. +# # http://tools.ietf.org/html/rfc4366#section-3.1 +# server_name: +# +# # Disable validation of the server certificate. +# insecure_skip_verify: true + +# The root route on which each incoming alert enters. +route: + receiver: '${default_receiver}' + + # The labels by which incoming alerts are grouped together. For example, + # multiple alerts coming in for cluster=A and alertname=LatencyHigh would + # be batched into a single group. + # + # To aggregate by all possible labels use '...' as the sole label name. + # This effectively disables aggregation entirely, passing through all + # alerts as-is. This is unlikely to be what you want, unless you have + # a very low alert volume or your upstream notification system performs + # its own grouping. Example: group_by: [...] + group_by: ['alertname', 'cluster', 'service'] + + # When a new group of alerts is created by an incoming alert, wait at + # least 'group_wait' to send the initial notification. + # This way ensures that you get multiple alerts for the same group that start + # firing shortly after another are batched together on the first + # notification. + group_wait: 30s + + # When the first notification was sent, wait 'group_interval' to send a batch + # of new alerts that started firing for that group. + group_interval: 5m + + # If an alert has successfully been sent, wait 'repeat_interval' to + # resend them. + repeat_interval: 3h + + # All the above attributes are inherited by all child routes and can + # overwritten on each. + # The child route trees. + routes: + # This routes performs a regular expression match on alert labels to + # catch alerts that are related to a list of services. + - match_re: + service: .* + receiver: ${default_receiver} + # The service has a sub-route for critical alerts, any alerts + # that do not match, i.e. severity != critical, fall-back to the + # parent node and are sent to 'team-X-mails' + routes: + - match: + severity: critical + receiver: '${default_receiver}' + +# Inhibition rules allow to mute a set of alerts given that another alert is +# firing. +# We use this to mute any warning-level notifications if the same alert is +# already critical. +inhibit_rules: +- source_match: + severity: 'critical' + target_match: + severity: 'warning' + # Apply inhibition if the alertname is the same. + # CAUTION: + # If all label names listed in `equal` are missing + # from both the source and target alerts, + # the inhibition rule will apply! + equal: ['alertname', 'cluster', 'service'] + +receivers: +- name: '${default_receiver}' + slack_configs: + - channel: '#${slack_channel}' + send_resolved: true + icon_url: https://avatars3.githubusercontent.com/u/3380462 + title: |- + [{{ .Status | toUpper }}{{ if eq .Status "firing" }}:{{ .Alerts.Firing | len }}{{ end }}] {{ .CommonLabels.alertname }} for {{ .CommonLabels.job }} + {{- if gt (len .CommonLabels) (len .GroupLabels) -}} + {{" "}}( + {{- with .CommonLabels.Remove .GroupLabels.Names }} + {{- range $index, $label := .SortedPairs -}} + {{ if $index }}, {{ end }} + {{- $label.Name }}="{{ $label.Value -}}" + {{- end }} + {{- end -}} + ) + {{- end }} + text: >- + {{ range .Alerts -}} + *Alert:* {{ .Annotations.summary }}{{ if .Labels.severity }} - `{{ .Labels.severity }}`{{ end }} + + *Description:* {{ .Annotations.description }} + + *Details:* + {{ range .Labels.SortedPairs }} • *{{ .Name }}:* `{{ .Value }}` + {{ end }} + {{ end }} +EOH + } + + # 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 + # + service { + name = "${service_name}" + port = "${service_name}" + tags = [ "${service_name}$${NOMAD_ALLOC_INDEX}" ] + check { + name = "Alertmanager 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. + # + # For more information and examples on the "resources" stanza, please see + # the online documentation at: + # + # https://www.nomadproject.io/docs/job-specification/resources + # + resources { + cpu = ${cpu} + memory = ${mem} + # The network stanza specifies the networking requirements for the task + # group, including the network mode and port allocations. When scheduling + # jobs in Nomad they are provisioned across your fleet of machines along + # with other jobs and services. Because you don't know in advance what host + # your job will be provisioned on, Nomad will provide your tasks with + # network configuration when they start up. + # + # For more information and examples on the "template" stanza, please see + # the online documentation at: + # + # https://www.nomadproject.io/docs/job-specification/network + # + network { + port "${service_name}" { + static = ${port} + } + } + } + } + } +} \ No newline at end of file diff --git a/terraform-ci-infra/1n_nmd/alertmanager/main.tf b/terraform-ci-infra/1n_nmd/alertmanager/main.tf new file mode 100644 index 0000000000..411c78a558 --- /dev/null +++ b/terraform-ci-infra/1n_nmd/alertmanager/main.tf @@ -0,0 +1,37 @@ +locals { + datacenters = join(",", var.nomad_datacenters) + + alertmanager_url = join("", + [ + "https://github.com", + "/prometheus/alertmanager/releases/download/", + "v${var.alertmanager_version}/", + "alertmanager-${var.alertmanager_version}.linux-amd64.tar.gz" + ] + ) +} + +data "template_file" "nomad_job_alertmanager" { + template = file("${path.module}/conf/nomad/alertmanager.hcl") + vars = { + datacenters = local.datacenters + url = local.alertmanager_url + job_name = var.alertmanager_job_name + use_canary = var.alertmanager_use_canary + group_count = var.alertmanager_group_count + service_name = var.alertmanager_service_name + use_vault_provider = var.alertmanager_vault_secret.use_vault_provider + version = var.alertmanager_version + cpu = var.alertmanager_cpu + mem = var.alertmanager_mem + port = var.alertmanager_port + slack_api_url = var.alertmanager_slack_api_url + slack_channel = var.alertmanager_slack_channel + default_receiver = var.alertmanager_default_receiver + } +} + +resource "nomad_job" "nomad_job_alertmanager" { + jobspec = data.template_file.nomad_job_alertmanager.rendered + detach = false +} \ No newline at end of file diff --git a/terraform-ci-infra/1n_nmd/alertmanager/variables.tf b/terraform-ci-infra/1n_nmd/alertmanager/variables.tf new file mode 100644 index 0000000000..ebd862123d --- /dev/null +++ b/terraform-ci-infra/1n_nmd/alertmanager/variables.tf @@ -0,0 +1,84 @@ +# Nomad +variable "nomad_datacenters" { + description = "Nomad data centers" + type = list(string) + default = [ "dc1" ] +} + +# Alermanager +variable "alertmanager_job_name" { + description = "Job name" + type = string + default = "alertmanager" +} + +variable "alertmanager_group_count" { + description = "Number of group instances" + type = number + default = 1 +} + +variable "alertmanager_service_name" { + description = "Service name" + type = string + default = "alertmanager" +} + +variable "alertmanager_version" { + description = "Version" + type = string + default = "0.21.0" +} + +variable "alertmanager_use_canary" { + description = "Uses canary deployment" + type = bool + default = false +} + +variable "alertmanager_vault_secret" { + description = "Set of properties to be able to fetch secret from vault" + type = object({ + use_vault_provider = bool, + vault_kv_policy_name = string, + vault_kv_path = string, + vault_kv_field_access_key = string, + vault_kv_field_secret_key = string + }) +} + +variable "alertmanager_cpu" { + description = "CPU allocation" + type = number + default = 1000 +} + +variable "alertmanager_mem" { + description = "RAM allocation" + type = number + default = 1024 +} + +variable "alertmanager_port" { + description = "TCP allocation" + type = number + default = 9093 +} + +variable "alertmanager_default_receiver" { + description = "Alertmanager default receiver" + type = string + default = "default-receiver" +} + +variable "alertmanager_slack_api_url" { + description = "Alertmanager slack API URL" + type = string + default = "https://hooks.slack.com/services/XXXXXXXXX/XXXXXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXX" +} + +variable "alertmanager_slack_channel" { + description = "Alertmanager slack channel" + type = string + default = "slack-channel" +} \ No newline at end of file diff --git a/terraform-ci-infra/1n_nmd/exporter/conf/nomad/exporter.hcl b/terraform-ci-infra/1n_nmd/exporter/conf/nomad/exporter.hcl new file mode 100644 index 0000000000..4fd0768ae7 --- /dev/null +++ b/terraform-ci-infra/1n_nmd/exporter/conf/nomad/exporter.hcl @@ -0,0 +1,587 @@ +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. + # + # https://www.nomadproject.io/docs/jobspec/schedulers + # + type = "system" + + 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 } + } + + # 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 "prod-group1-exporter-amd64" { + # 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" + } + + # 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 "prod-task1-${node_service_name}-amd64" { + # The "driver" parameter specifies the task driver that should be used to + # run the task. + driver = "raw_exec" + + # 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/node_exporter-${node_version}.linux-amd64/node_exporter" + } + + # 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 = "${node_url_amd64}" + } + + # The service stanza instructs Nomad to register a service with Consul. + # + # https://www.nomadproject.io/docs/job-specification/service + # + service { + name = "${node_service_name}" + port = "${node_service_name}" + check { + name = "Node Exporter Check Live" + type = "http" + path = "/metrics" + 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 = 500 + # 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 "${node_service_name}" { + static = ${node_port} + } + } + } + } + task "prod-task2-${blackbox_service_name}-amd64" { + # The "driver" parameter specifies the task driver that should be used to + # run the task. + driver = "exec" + + # 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/blackbox_exporter-${blackbox_version}.linux-amd64/blackbox_exporter" + args = [ + "--config.file=secrets/blackbox.yml" + ] + } + + # The "template" stanza instructs Nomad to manage a template, such as + # a configuration file or script. 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# 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 + # + 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 } + } + + # 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 + # + group "prod-group1-${service_name}" { + # 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 constraint allows restricting the set of eligible nodes. Constraints + # may filter on attributes or client metadata. + # + # For more information and examples on the "volume" stanza, please see + # the online documentation at: + # + # https://www.nomadproject.io/docs/job-specification/constraint + # + constraint { + attribute = "$${attr.cpu.arch}" + operator = "!=" + value = "arm64" + } + + # 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 + # + task "prod-task1-${service_name}" { + # The "driver" parameter specifies the task driver that should be used to + # run the task. + driver = "docker" + + # The "config" stanza specifies the driver configuration, which is passed + # directly to the driver to start the task. The details of configurations + # are specific to each driver, so please see specific driver + # documentation for more information. + config { + image = "${image}" + dns_servers = [ "$${attr.unique.network.ip-address}" ] + volumes = [ + "secrets/prometheus.yml:/etc/grafana/provisioning/datasources/prometheus.yml", + "secrets/dashboards.yml:/etc/grafana/provisioning/dashboards/dashboards.yml", + "secrets/grafana.ini:/etc/grafana/grafana.ini", + "secrets/node_exporter.json:/etc/grafana/provisioning/dashboards/node_exporter.json", + "secrets/docker_cadvisor.json:/etc/grafana/provisioning/dashboards/docker_cadvisor.json", + "secrets/nomad.json:/etc/grafana/provisioning/dashboards/nomad.json", + "secrets/consul.json:/etc/grafana/provisioning/dashboards/consul.json", + "secrets/prometheus.json:/etc/grafana/provisioning/dashboards/prometheus.json", + "secrets/blackbox_exporter_http.json:/etc/grafana/provisioning/dashboards/blackbox_exporter_http.json", + "secrets/blackbox_exporter_icmp.json:/etc/grafana/provisioning/dashboards/blackbox_exporter_icmp.json" + ] + } + + artifact { + # Prometheus Node Exporter + source = "https://raw.githubusercontent.com/pmikus/grafana-dashboards/main/node_exporter.json" + destination = "secrets/" + } + + artifact { + # Docker cAdvisor + source = "https://raw.githubusercontent.com/pmikus/grafana-dashboards/main/docker_cadvisor.json" + destination = "secrets/" + } + + artifact { + # Nomad + source = "https://raw.githubusercontent.com/pmikus/grafana-dashboards/main/nomad.json" + destination = "secrets/" + } + + artifact { + # Consul + source = "https://raw.githubusercontent.com/pmikus/grafana-dashboards/main/consul.json" + destination = "secrets/" + } + + artifact { + # Prometheus + source = "https://raw.githubusercontent.com/pmikus/grafana-dashboards/main/prometheus.json" + destination = "secrets/" + } + + artifact { + # Prometheus Blackbox Exporter HTTP + source = "https://raw.githubusercontent.com/pmikus/grafana-dashboards/main/blackbox_exporter_http.json" + destination = "secrets/" + } + + artifact { + # Prometheus Blackbox Exporter ICMP + source = "https://raw.githubusercontent.com/pmikus/grafana-dashboards/main/blackbox_exporter_icmp.json" + destination = "secrets/" + } + + # 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. + # + # For more information and examples on the "template" stanza, please see + # the online documentation at: + # + # https://www.nomadproject.io/docs/job-specification/template + # + template { + change_mode = "noop" + change_signal = "SIGINT" + destination = "secrets/prometheus.yml" + data = < 0", + "format": "time_series", + "intervalFactor": 2, + "legendFormat": "Failed Connections", + "refId": "A", + "step": 2 + }, + { + "expr": "sum(increase(prometheus_evaluator_iterations_missed_total{instance=~\"$instance\"}[5m])) > 0", + "format": "time_series", + "intervalFactor": 2, + "legendFormat": "Missed Iterations", + "refId": "B", + "step": 2 + }, + { + "expr": "sum(increase(prometheus_evaluator_iterations_skipped_total{instance=~\"$instance\"}[5m])) > 0", + "format": "time_series", + "intervalFactor": 2, + "legendFormat": "Skipped Iterations", + "refId": "C", + "step": 2 + }, + { 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"A", + "step": 20 + } + ], + "thresholds": [], + "timeFrom": null, + "timeShift": null, + "title": "Target Scrapes / 5m", + "tooltip": { + "shared": true, + "sort": 0, + "value_type": "individual" + }, + "type": "graph", + "xaxis": { + "buckets": null, + "mode": "time", + "name": null, + "show": true, + "values": [] + }, + "yaxes": [ + { + "format": "short", + "label": "Scrapes", + "logBase": 1, + "max": null, + "min": "0", + "show": true + }, + { + "format": "short", + "label": null, + "logBase": 1, + "max": null, + "min": null, + "show": true + } + ] + } + ], + "repeat": null, + "repeatIteration": null, + "repeatRowId": null, + "showTitle": false, + "title": "Broken, ignore", + "titleSize": "h6" + } + ], + "schemaVersion": 14, + "style": "dark", + "tags": [], + "templating": { + "list": [ + { + "current": { + "selected": false, + "text": "default", + "value": "default" + }, + "hide": 0, + "includeAll": false, + "label": "datasource", + "multi": false, + "name": "DS_PROMETHEUS", + "options": [], + "query": "prometheus", + "refresh": 1, + "regex": "", + "skipUrlSync": false, + "type": "datasource" + }, + { + "allValue": null, + "current": {}, + "datasource": "${DS_PROMETHEUS}", + "hide": 0, + "includeAll": true, + "label": null, + "multi": true, + "name": "job", + "options": [], + "query": "query_result(prometheus_tsdb_head_samples_appended_total)", + "refresh": 2, + "regex": "/.*job=\"([^\"]+)/", + "sort": 1, + "tagValuesQuery": "", + "tags": [], + "tagsQuery": "", + "type": "query", + "useTags": false + }, + { + "allValue": null, + "current": {}, + "datasource": "${DS_PROMETHEUS}", + "hide": 0, + "includeAll": true, + "label": null, + "multi": true, + "name": "instance", + "options": [], + "query": "query_result(up{job=~\"$job\"})", + "refresh": 2, + "regex": "/.*instance=\"([^\"]+).*/", + "sort": 0, + "tagValuesQuery": "", + "tags": [], + "tagsQuery": "", + "type": "query", + "useTags": false + }, + { + "allValue": null, + "current": { + "selected": true, + "text": "1h", + "value": "1h" + }, + "hide": 0, + "includeAll": false, + "label": null, + "multi": false, + "name": "interval", + "options": [ + { + "selected": true, + "text": "1h", + "value": "1h" + }, + { + "selected": false, + "text": "3h", + "value": "3h" + }, + { + "selected": false, + "text": "6h", + "value": "6h" + }, + { + "selected": false, + "text": "12h", + "value": "12h" + }, + { + "selected": false, + "text": "1d", + "value": "1d" + }, + { + "selected": false, + "text": "2d", + "value": "2d" + }, + { + "selected": false, + "text": "7d", + "value": "7d" + }, + { + "selected": false, + "text": "30d", + "value": "30d" + }, + { + "selected": false, + "text": "90d", + "value": "90d" + }, + { + "selected": false, + "text": "180d", + "value": "180d" + } + ], + "query": "1h, 3h, 6h, 12h, 1d, 2d, 7d, 30d, 90d, 180d", + "type": "custom" + } + ] + }, + "time": { + "from": "now-4h", + "to": "now" + }, + "timepicker": { + "refresh_intervals": [ + "5s", + "10s", + "30s", + "1m", + "5m", + "15m", + "30m", + "1h", + "2h", + "1d" + ], + "time_options": [ + "5m", + "15m", + "1h", + "6h", + "12h", + "24h", + "2d", + "7d", + "30d" + ] + }, + "timezone": "browser", + "title": "Prometheus", + "version": 1 +} diff --git a/terraform-ci-infra/1n_nmd/grafana/main.tf b/terraform-ci-infra/1n_nmd/grafana/main.tf new file mode 100644 index 0000000000..b67ba03985 --- /dev/null +++ b/terraform-ci-infra/1n_nmd/grafana/main.tf @@ -0,0 +1,24 @@ +locals { + datacenters = join(",", var.nomad_datacenters) +} + +data "template_file" "nomad_job_grafana" { + template = file("${path.module}/conf/nomad/grafana.hcl") + vars = { + datacenters = local.datacenters + job_name = var.grafana_job_name + use_canary = var.grafana_use_canary + group_count = var.grafana_group_count + service_name = var.grafana_service_name + use_vault_provider = var.grafana_vault_secret.use_vault_provider + image = var.grafana_container_image + cpu = var.grafana_cpu + mem = var.grafana_mem + port = var.grafana_port + } +} + +resource "nomad_job" "nomad_job_grafana" { + jobspec = data.template_file.nomad_job_grafana.rendered + detach = false +} \ No newline at end of file diff --git a/terraform-ci-infra/1n_nmd/grafana/variables.tf b/terraform-ci-infra/1n_nmd/grafana/variables.tf new file mode 100644 index 0000000000..0c2382b16a --- /dev/null +++ b/terraform-ci-infra/1n_nmd/grafana/variables.tf @@ -0,0 +1,66 @@ +# Nomad +variable "nomad_datacenters" { + description = "Nomad data centers" + type = list(string) + default = [ "dc1" ] +} + +# Grafana +variable "grafana_job_name" { + description = "Grafana job name" + type = string + default = "grafana" +} + +variable "grafana_group_count" { + description = "Number of grafana group instances" + type = number + default = 1 +} + +variable "grafana_service_name" { + description = "Grafana service name" + type = string + default = "grafana" +} + +variable "grafana_container_image" { + description = "Grafana docker image" + type = string + default = "grafana/grafana:7.3.7" +} + +variable "grafana_use_canary" { + description = "Uses canary deployment" + type = bool + default = false +} + +variable "grafana_vault_secret" { + description = "Set of properties to be able to fetch secret from vault" + type = object({ + use_vault_provider = bool, + vault_kv_policy_name = string, + vault_kv_path = string, + vault_kv_field_access_key = string, + vault_kv_field_secret_key = string + }) +} + +variable "grafana_cpu" { + description = "Grafana CPU allocation" + type = number + default = 2000 +} + +variable "grafana_mem" { + description = "Grafana RAM allocation" + type = number + default = 8192 +} + +variable "grafana_port" { + description = "Grafana TCP allocation" + type = number + default = 3000 +} \ No newline at end of file diff --git a/terraform-ci-infra/1n_nmd/main.tf b/terraform-ci-infra/1n_nmd/main.tf index 4da8929e8d..4e0b7537c4 100644 --- a/terraform-ci-infra/1n_nmd/main.tf +++ b/terraform-ci-infra/1n_nmd/main.tf @@ -4,64 +4,182 @@ # and downstream modules can simply declare resources for that provider # and have them automatically associated with the root provider # configurations. +module "alertmanager" { + source = "./alertmanager" + providers = { + nomad = nomad.yul1 + } + + # nomad + nomad_datacenters = [ "yul1" ] + + # alertmanager + alertmanager_job_name = "prod-alertmanager" + alertmanager_use_canary = true + alertmanager_group_count = 1 + alertmanager_vault_secret = { + use_vault_provider = false, + vault_kv_policy_name = "kv-secret", + vault_kv_path = "secret/data/prometheus", + vault_kv_field_access_key = "access_key", + vault_kv_field_secret_key = "secret_key" + } + alertmanager_version = "0.21.0" + alertmanager_cpu = 1000 + alertmanager_mem = 1024 + alertmanager_port = 9093 + alertmanager_slack_api_url = "https://hooks.slack.com/services/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" + alertmanager_slack_channel = "fdio-infra-monitoring" +} + +module "exporter" { + source = "./exporter" + providers = { + nomad = nomad.yul1 + } + + # nomad + nomad_datacenters = [ "yul1" ] + + # exporter + exporter_job_name = "prod-exporter" + exporter_use_canary = false + + # node + node_version = "1.0.1" + node_port = 9100 + + # blackbox + blackbox_version = "0.18.0" + blackbox_port = 9115 + + # cadvisor + cadvisor_image = "gcr.io/cadvisor/cadvisor:latest" + cadvisor_port = 8080 +} + +module "grafana" { + source = "./grafana" + providers = { + nomad = nomad.yul1 + } + + # nomad + nomad_datacenters = [ "yul1" ] + + # grafana + grafana_job_name = "prod-grafana" + grafana_use_canary = true + grafana_group_count = 1 + grafana_vault_secret = { + use_vault_provider = false, + vault_kv_policy_name = "kv-secret", + vault_kv_path = "secret/data/prometheus", + vault_kv_field_access_key = "access_key", + vault_kv_field_secret_key = "secret_key" + } + grafana_container_image = "grafana/grafana:7.3.7" + grafana_cpu = 2000 + grafana_mem = 2048 + grafana_port = 3000 +} + module "minio" { - source = "./minio" - providers = { + source = "./minio" + providers = { nomad = nomad.yul1 } # nomad - nomad_datacenters = [ "yul1" ] - nomad_host_volume = "prod-volume-data1-1" + nomad_datacenters = [ "yul1" ] + nomad_host_volume = "prod-volume-data1-1" # minio - minio_job_name = "prod-minio" - minio_group_count = 4 - minio_service_name = "storage" - minio_host = "http://10.32.8.1{4...7}" - minio_port = 9000 - minio_container_image = "minio/minio:RELEASE.2020-12-03T05-49-24Z" - minio_vault_secret = { - use_vault_provider = false, - vault_kv_policy_name = "kv-secret", - vault_kv_path = "secret/data/minio", - vault_kv_field_access_key = "access_key", - vault_kv_field_secret_key = "secret_key" + minio_job_name = "prod-minio" + minio_group_count = 4 + minio_service_name = "storage" + minio_host = "http://10.32.8.1{4...7}" + minio_port = 9000 + minio_container_image = "minio/minio:RELEASE.2020-12-03T05-49-24Z" + minio_vault_secret = { + use_vault_provider = false, + vault_kv_policy_name = "kv-secret", + vault_kv_path = "secret/data/minio", + vault_kv_field_access_key = "access_key", + vault_kv_field_secret_key = "secret_key" } - minio_data_dir = "/data/" - minio_use_host_volume = true - minio_use_canary = true - minio_envs = [ "MINIO_BROWSER=\"off\"" ] + minio_data_dir = "/data/" + minio_use_host_volume = true + minio_use_canary = true + minio_envs = [ "MINIO_BROWSER=\"off\"" ] # minio client - mc_job_name = "prod-mc" - mc_container_image = "minio/mc:RELEASE.2020-12-10T01-26-17Z" - mc_extra_commands = [ + mc_job_name = "prod-mc" + mc_container_image = "minio/mc:RELEASE.2020-12-10T01-26-17Z" + mc_extra_commands = [ "mc policy set public LOCALMINIO/logs.fd.io", "mc policy set public LOCALMINIO/docs.fd.io", "mc ilm add --expiry-days '180' LOCALMINIO/logs.fd.io", "mc admin user add LOCALMINIO storage Storage1234", "mc admin policy set LOCALMINIO writeonly user=storage" ] - minio_buckets = [ "logs.fd.io", "docs.fd.io" ] + minio_buckets = [ "logs.fd.io", "docs.fd.io" ] } module "nginx" { - source = "./nginx" - providers = { + source = "./nginx" + providers = { nomad = nomad.yul1 } # nomad - nomad_datacenters = [ "yul1" ] + nomad_datacenters = [ "yul1" ] # nginx - nginx_job_name = "prod-nginx" + nginx_job_name = "prod-nginx" } -#module "vpp_device" { -# source = "./vpp_device" -# providers = { -# nomad = nomad.yul1 -# } -#} \ No newline at end of file +module "prometheus" { + source = "./prometheus" + providers = { + nomad = nomad.yul1 + } + + # nomad + nomad_datacenters = [ "yul1" ] + nomad_host_volume = "prod-volume-data1-1" + + # prometheus + prometheus_job_name = "prod-prometheus" + prometheus_use_canary = true + prometheus_group_count = 4 + prometheus_vault_secret = { + use_vault_provider = false, + vault_kv_policy_name = "kv-secret", + vault_kv_path = "secret/data/prometheus", + vault_kv_field_access_key = "access_key", + vault_kv_field_secret_key = "secret_key" + } + prometheus_data_dir = "/data/" + prometheus_use_host_volume = true + prometheus_version = "2.24.0" + prometheus_cpu = 2000 + prometheus_mem = 8192 + prometheus_port = 9090 +} + +module "vpp_device" { + source = "./vpp_device" + providers = { + nomad = nomad.yul1 + } + + # nomad + nomad_datacenters = [ "yul1" ] + + # csit_shim + csit_shim_job_name = "prod-device-csit-shim" + csit_shim_group_count = "1" + csit_shim_cpu = "1000" + csit_shim_mem = "5000" +} \ No newline at end of file diff --git a/terraform-ci-infra/1n_nmd/prometheus/conf/nomad/prometheus.hcl b/terraform-ci-infra/1n_nmd/prometheus/conf/nomad/prometheus.hcl new file mode 100644 index 0000000000..2d74662f31 --- /dev/null +++ b/terraform-ci-infra/1n_nmd/prometheus/conf/nomad/prometheus.hcl @@ -0,0 +1,569 @@ +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 + # + 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 } + } + + # 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 + # + group "prod-group1-${service_name}" { + # 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. + # + # For more information and examples on the "volume" stanza, please see + # the online documentation at: + # + # https://www.nomadproject.io/docs/job-specification/volume + # + %{ if use_host_volume } + volume "prod-volume1-${service_name}" { + type = "host" + read_only = false + source = "${host_volume}" + } + %{ endif } + + # The constraint allows restricting the set of eligible nodes. Constraints + # may filter on attributes or client metadata. + # + # For more information and examples on the "volume" stanza, please see + # the online documentation at: + # + # https://www.nomadproject.io/docs/job-specification/constraint + # + constraint { + attribute = "$${attr.cpu.arch}" + operator = "!=" + value = "arm64" + } + + # 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 + # + task "prod-task1-${service_name}" { + # The "driver" parameter specifies the task driver that should be used to + # run the task. + driver = "exec" + + %{ if use_host_volume } + volume_mount { + volume = "prod-volume1-${service_name}" + 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 { + command = "local/prometheus-${version}.linux-amd64/prometheus" + args = [ + "--config.file=secrets/prometheus.yml", + "--storage.tsdb.path=${data_dir}prometheus/", + "--storage.tsdb.retention.time=15d" + ] + } + + # 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. + # + # For more information and examples on the "artifact" stanza, please see + # the online documentation at: + # + # 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. + # + # For more information and examples on the "template" stanza, please see + # the online documentation at: + # + # https://www.nomadproject.io/docs/job-specification/template + # + template { + change_mode = "noop" + change_signal = "SIGINT" + destination = "secrets/alerts.yml" + left_delimiter = "{{{" + right_delimiter = "}}}" + data = < 80 + for: 0m + labels: + severity: warning + annotations: + summary: "Host high CPU load (instance {{ $labels.instance }})." + description: "CPU load is > 80%." + - 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 = <