diff options
Diffstat (limited to 'host')
| -rwxr-xr-x | host/Spacebar-monitoring/configuration.nix | 486 |
1 files changed, 270 insertions, 216 deletions
diff --git a/host/Spacebar-monitoring/configuration.nix b/host/Spacebar-monitoring/configuration.nix index e5a464b..a50ad28 100755 --- a/host/Spacebar-monitoring/configuration.nix +++ b/host/Spacebar-monitoring/configuration.nix @@ -1,223 +1,277 @@ -{ config, pkgs, lib, ... }: +{ config, pkgs, lib, secrets, ... }: { - imports = - [ - ../../modules/base.nix - ]; + imports = + [ + ../../modules/base.nix + ]; - networking = { - hostName = "Spacebar-monitoring"; - interfaces.ens18.ipv4.addresses = [ { - address = "192.168.1.99"; - prefixLength = 24; - } ]; - interfaces.ens19.ipv4.addresses = [ { - address = "10.10.11.99"; - prefixLength = 16; - } ]; - }; + networking = { + hostName = "Spacebar-monitoring"; + interfaces.ens18.ipv4.addresses = [ { + address = "192.168.1.99"; + prefixLength = 24; + } ]; + interfaces.ens19.ipv4.addresses = [ { + address = "10.10.11.99"; + prefixLength = 16; + } ]; + }; - services = { - prometheus = { - enable = true; - stateDir = "prometheus"; - extraFlags = [ - "-storage.local.retention 8760h" - "-storage.local.series-file-shrink-ratio 0.3" - "-storage.local.memory-chunks 2097152" - "-storage.local.max-chunks-to-persist 1048576" - "-storage.local.index-cache-size.fingerprint-to-metric 2097152" - "-storage.local.index-cache-size.fingerprint-to-timerange 1048576" - "-storage.local.index-cache-size.label-name-to-label-values 2097152" - "-storage.local.index-cache-size.label-pair-to-fingerprints 41943040" - ]; - # alertmanagerURL = [ "http://localhost:9093" ]; - # rules = [ - # '' - # ALERT node_down - # IF up == 0 - # FOR 5m - # LABELS { - # severity="page" - # } - # ANNOTATIONS { - # summary = "{{$labels.alias}}: Node is down.", - # description = "{{$labels.alias}} has been down for more than 5 minutes." - # } - # ALERT node_systemd_service_failed - # IF node_systemd_unit_state{state="failed"} == 1 - # FOR 4m - # LABELS { - # severity="page" - # } - # ANNOTATIONS { - # summary = "{{$labels.alias}}: Service {{$labels.name}} failed to start.", - # description = "{{$labels.alias}} failed to (re)start service {{$labels.name}}." - # } - # ALERT node_filesystem_full_90percent - # IF sort(node_filesystem_free{device!="ramfs"} < node_filesystem_size{device!="ramfs"} * 0.1) / 1024^3 - # FOR 5m - # LABELS { - # severity="page" - # } - # ANNOTATIONS { - # summary = "{{$labels.alias}}: Filesystem is running out of space soon.", - # description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} got less than 10% space left on its filesystem." - # } - # ALERT node_filesystem_full_in_4h - # IF predict_linear(node_filesystem_free{device!="ramfs"}[1h], 4*3600) <= 0 - # FOR 5m - # LABELS { - # severity="page" - # } - # ANNOTATIONS { - # summary = "{{$labels.alias}}: Filesystem is running out of space in 4 hours.", - # description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} is running out of space of in approx. 4 hours" - # } - # ALERT node_filedescriptors_full_in_3h - # IF predict_linear(node_filefd_allocated[1h], 3*3600) >= node_filefd_maximum - # FOR 20m - # LABELS { - # severity="page" - # } - # ANNOTATIONS { - # summary = "{{$labels.alias}} is running out of available file descriptors in 3 hours.", - # description = "{{$labels.alias}} is running out of available file descriptors in approx. 3 hours" - # } - # ALERT node_load1_90percent - # IF node_load1 / on(alias) count(node_cpu{mode="system"}) by (alias) >= 0.9 - # FOR 1h - # LABELS { - # severity="page" - # } - # ANNOTATIONS { - # summary = "{{$labels.alias}}: Running on high load.", - # description = "{{$labels.alias}} is running with > 90% total load for at least 1h." - # } - # ALERT node_cpu_util_90percent - # IF 100 - (avg by (alias) (irate(node_cpu{mode="idle"}[5m])) * 100) >= 90 - # FOR 1h - # LABELS { - # severity="page" - # } - # ANNOTATIONS { - # summary = "{{$labels.alias}}: High CPU utilization.", - # description = "{{$labels.alias}} has total CPU utilization over 90% for at least 1h." - # } - # ALERT node_ram_using_90percent - # IF node_memory_MemFree + node_memory_Buffers + node_memory_Cached < node_memory_MemTotal * 0.1 - # FOR 30m - # LABELS { - # severity="page" - # } - # ANNOTATIONS { - # summary="{{$labels.alias}}: Using lots of RAM.", - # description="{{$labels.alias}} is using at least 90% of its RAM for at least 30 minutes now.", - # } - # ALERT node_swap_using_80percent - # IF node_memory_SwapTotal - (node_memory_SwapFree + node_memory_SwapCached) > node_memory_SwapTotal * 0.8 - # FOR 10m - # LABELS { - # severity="page" - # } - # ANNOTATIONS { - # summary="{{$labels.alias}}: Running out of swap soon.", - # description="{{$labels.alias}} is using 80% of its swap space for at least 10 minutes now." - # } - # '' - # ]; - scrapeConfigs = [ - { - job_name = "node"; - scrape_interval = "5s"; - static_configs = [ - { - targets = [ - "localhost:9100" - ]; - labels = { - alias = "monitoring"; - }; - } - { - targets = [ - "192.168.1.2:9100" - ]; - labels = { - alias = "nginx"; - }; - } - { - targets = [ - "192.168.1.3:9100" - ]; - labels = { - alias = "email"; - }; - } - { - targets = [ - "192.168.1.4:9100" - ]; - labels = { - alias = "postgres"; - }; - } - # { - # targets = [ - # "192.168.1.5:9100" - # ]; - # labels = { - # alias = "synapse"; - # }; - # } - ]; - } - ]; - alertmanager = { - enable = false; - listenAddress = "0.0.0.0"; - configuration = { - "global" = { - "smtp_smarthost" = "smtp.example.com:587"; - "smtp_from" = "alertmanager@example.com"; - }; - "route" = { - "group_by" = [ "alertname" "alias" ]; - "group_wait" = "30s"; - "group_interval" = "2m"; - "repeat_interval" = "4h"; - "receiver" = "team-admins"; - }; - "receivers" = [ - { - "name" = "team-admins"; - "email_configs" = [ - { - "to" = "devnull@example.com"; - "send_resolved" = true; - } - ]; - "webhook_configs" = [ - { - "url" = "https://example.com/prometheus-alerts"; - "send_resolved" = true; - } - ]; - } - ]; - }; - }; - }; - grafana = { - enable = true; - addr = "0.0.0.0"; - domain = "grafana.spacebar.chat"; - rootUrl = "https://grafana.spacebar.chat/"; - }; - }; + services = { + prometheus = { + enable = true; + stateDir = "prometheus"; + extraFlags = [ + "-storage.local.retention 8760h" + "-storage.local.series-file-shrink-ratio 0.3" + "-storage.local.memory-chunks 2097152" + "-storage.local.max-chunks-to-persist 1048576" + "-storage.local.index-cache-size.fingerprint-to-metric 2097152" + "-storage.local.index-cache-size.fingerprint-to-timerange 1048576" + "-storage.local.index-cache-size.label-name-to-label-values 2097152" + "-storage.local.index-cache-size.label-pair-to-fingerprints 41943040" + ]; + # alertmanagerURL = [ "http://localhost:9093" ]; + # rules = [ + # '' + # ALERT node_down + # IF up == 0 + # FOR 5m + # LABELS { + # severity="page" + # } + # ANNOTATIONS { + # summary = "{{$labels.alias}}: Node is down.", + # description = "{{$labels.alias}} has been down for more than 5 minutes." + # } + # ALERT node_systemd_service_failed + # IF node_systemd_unit_state{state="failed"} == 1 + # FOR 4m + # LABELS { + # severity="page" + # } + # ANNOTATIONS { + # summary = "{{$labels.alias}}: Service {{$labels.name}} failed to start.", + # description = "{{$labels.alias}} failed to (re)start service {{$labels.name}}." + # } + # ALERT node_filesystem_full_90percent + # IF sort(node_filesystem_free{device!="ramfs"} < node_filesystem_size{device!="ramfs"} * 0.1) / 1024^3 + # FOR 5m + # LABELS { + # severity="page" + # } + # ANNOTATIONS { + # summary = "{{$labels.alias}}: Filesystem is running out of space soon.", + # description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} got less than 10% space left on its filesystem." + # } + # ALERT node_filesystem_full_in_4h + # IF predict_linear(node_filesystem_free{device!="ramfs"}[1h], 4*3600) <= 0 + # FOR 5m + # LABELS { + # severity="page" + # } + # ANNOTATIONS { + # summary = "{{$labels.alias}}: Filesystem is running out of space in 4 hours.", + # description = "{{$labels.alias}} device {{$labels.device}} on {{$labels.mountpoint}} is running out of space of in approx. 4 hours" + # } + # ALERT node_filedescriptors_full_in_3h + # IF predict_linear(node_filefd_allocated[1h], 3*3600) >= node_filefd_maximum + # FOR 20m + # LABELS { + # severity="page" + # } + # ANNOTATIONS { + # summary = "{{$labels.alias}} is running out of available file descriptors in 3 hours.", + # description = "{{$labels.alias}} is running out of available file descriptors in approx. 3 hours" + # } + # ALERT node_load1_90percent + # IF node_load1 / on(alias) count(node_cpu{mode="system"}) by (alias) >= 0.9 + # FOR 1h + # LABELS { + # severity="page" + # } + # ANNOTATIONS { + # summary = "{{$labels.alias}}: Running on high load.", + # description = "{{$labels.alias}} is running with > 90% total load for at least 1h." + # } + # ALERT node_cpu_util_90percent + # IF 100 - (avg by (alias) (irate(node_cpu{mode="idle"}[5m])) * 100) >= 90 + # FOR 1h + # LABELS { + # severity="page" + # } + # ANNOTATIONS { + # summary = "{{$labels.alias}}: High CPU utilization.", + # description = "{{$labels.alias}} has total CPU utilization over 90% for at least 1h." + # } + # ALERT node_ram_using_90percent + # IF node_memory_MemFree + node_memory_Buffers + node_memory_Cached < node_memory_MemTotal * 0.1 + # FOR 30m + # LABELS { + # severity="page" + # } + # ANNOTATIONS { + # summary="{{$labels.alias}}: Using lots of RAM.", + # description="{{$labels.alias}} is using at least 90% of its RAM for at least 30 minutes now.", + # } + # ALERT node_swap_using_80percent + # IF node_memory_SwapTotal - (node_memory_SwapFree + node_memory_SwapCached) > node_memory_SwapTotal * 0.8 + # FOR 10m + # LABELS { + # severity="page" + # } + # ANNOTATIONS { + # summary="{{$labels.alias}}: Running out of swap soon.", + # description="{{$labels.alias}} is using 80% of its swap space for at least 10 minutes now." + # } + # '' + # ]; + scrapeConfigs = [ + { + job_name = "node"; + scrape_interval = "5s"; + static_configs = [ + { + targets = [ + "localhost:9100" + ]; + labels = { + alias = "monitoring"; + }; + } + { + targets = [ + "192.168.1.2:9100" + ]; + labels = { + alias = "nginx"; + }; + } + { + targets = [ + "192.168.1.3:9100" + ]; + labels = { + alias = "email"; + }; + } + { + targets = [ + "192.168.1.4:9100" + ]; + labels = { + alias = "postgres"; + }; + } + # { + # targets = [ + # "192.168.1.5:9100" + # ]; + # labels = { + # alias = "synapse"; + # }; + # } + ]; + } + ]; + alertmanager = { + enable = false; + listenAddress = "0.0.0.0"; + configuration = { + "global" = { + "smtp_smarthost" = "smtp.example.com:587"; + "smtp_from" = "alertmanager@example.com"; + }; + "route" = { + "group_by" = [ "alertname" "alias" ]; + "group_wait" = "30s"; + "group_interval" = "2m"; + "repeat_interval" = "4h"; + "receiver" = "team-admins"; + }; + "receivers" = [ + { + "name" = "team-admins"; + "email_configs" = [ + { + "to" = "devnull@example.com"; + "send_resolved" = true; + } + ]; + "webhook_configs" = [ + { + "url" = "https://example.com/prometheus-alerts"; + "send_resolved" = true; + } + ]; + } + ]; + }; + }; + }; + grafana = { + enable = true; + addr = "0.0.0.0"; + domain = "grafana.spacebar.chat"; + settings = { + server = { + root_url = "https://grafana.spacebar.chat/"; + enable_gzip = true; + domain = "grafana.spacebar.chat"; - system.stateVersion = "22.11"; # DO NOT EDIT! + }; + analytics.reporting_enabled = false; + security.secret_key = secrets.grafana.secret_key; + }; + provision = { + datasources.settings = { + datasources = { + "prometheus" = { + name = "Prometheus"; + type = "prometheus"; + url = "http://localhost:9090"; + access = "proxy"; + isDefault = true; + } + }; + }; + dashboards.settings = { + apiVersion = 1; + deleteVersions = true; + providers = { + "prometheus" = { + name = "Prometheus 2.0 Overview"; + revision = "1"; + folder = "prometheus"; + uid = "prometheus2"; + type = "file"; + options = { + path = lib.downloadFile { + url = "https://grafana.com/api/dashboards/3662/revisions/2/download"; + hash = "sha256:"; + }; + }; + }; + "node-exporter" = { + name = "Node Exporter Full"; + revision = "31"; + folder = "prometheus"; + uid = "node-exporter-full"; + type = "file"; + options = { + path = lib.downloadFile { + url = "https://grafana.com/api/dashboards/1860/revisions/31/download"; + hash = "sha256:"; + }; + }; + }; + }; + }; + }; + }; + }; + + system.stateVersion = "22.11"; # DO NOT EDIT! } |