From: Peter Mikus Date: Thu, 10 Feb 2022 08:10:28 +0000 (+0100) Subject: fix(terraform): Prometheus job X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=commitdiff_plain;h=a72905189bedf3d2093b0a2eb3f227b29a827ea4 fix(terraform): Prometheus job Signed-off-by: Peter Mikus Change-Id: I1c0b736e2b2cd820271ee0aaddf3167e61d713d4 --- diff --git a/fdio.infra.terraform/1n_nmd/prometheus/conf/nomad/prometheus.hcl b/fdio.infra.terraform/1n_nmd/prometheus/conf/nomad/prometheus.hcl deleted file mode 100644 index 2019aeba96..0000000000 --- a/fdio.infra.terraform/1n_nmd/prometheus/conf/nomad/prometheus.hcl +++ /dev/null @@ -1,662 +0,0 @@ -job "${job_name}" { - # The "region" parameter specifies the region in which to execute the job. - # If omitted, this inherits the default region name of "global". - # region = "global" - # - # The "datacenters" parameter specifies the list of datacenters which should - # be considered when placing this task. This must be provided. - datacenters = "${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 reschedule stanza specifies the group's rescheduling strategy. If - # specified at the job level, the configuration will apply to all groups - # within the job. If the reschedule stanza is present on both the job and the - # group, they are merged with the group stanza taking the highest precedence - # and then the job. - reschedule { - delay = "30s" - delay_function = "constant" - unlimited = 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 - # - 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 = ${group_count} - - # The restart stanza configures a tasks's behavior on task failure. Restarts - # happen on the client that is running the task. - # - # https://www.nomadproject.io/docs/job-specification/restart - # - restart { - interval = "30m" - attempts = 40 - delay = "15s" - mode = "delay" - } - - # The volume stanza allows the group to specify that it requires a given - # volume from the cluster. - # - # For more information and examples on the "volume" stanza, please see - # the online documentation at: - # - # https://www.nomadproject.io/docs/job-specification/volume - # - %{ if use_host_volume } - volume "prod-volume1-${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 = "$${attr.cpu.arch}" - operator = "!=" - value = "arm64" - } - - constraint { - attribute = "$${node.class}" - value = "builder" - } - - # 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=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. - # - # 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 = < 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 = <