diff options
19 files changed, 25095 insertions, 1821 deletions
diff --git a/hosts/by-name/server2/configuration.nix b/hosts/by-name/server2/configuration.nix index d772bcd..c26b896 100644 --- a/hosts/by-name/server2/configuration.nix +++ b/hosts/by-name/server2/configuration.nix @@ -29,6 +29,9 @@ monitoring = { enable = true; + prometheus = { + remoteWriteReceiver = "prometheus-server2.vhack.eu"; + }; grafana = { fqdn = "grafana.vhack.eu"; @@ -36,7 +39,6 @@ adminPassword = ./secrets/grafana/adminPassword.age; secretKey = ./secrets/grafana/secretKey.age; }; - scrutiny.fqdn = "scrutiny.vhack.eu"; }; dns = { diff --git a/hosts/by-name/server3/configuration.nix b/hosts/by-name/server3/configuration.nix index 5960932..f7ee7d3 100644 --- a/hosts/by-name/server3/configuration.nix +++ b/hosts/by-name/server3/configuration.nix @@ -20,6 +20,17 @@ ]; zones = import ../../../zones {inherit lib;}; }; + + monitoring = { + prometheus = { + enable = true; + remoteWriteTo = { + url = "https://prometheus-server2.vhack.eu"; + }; + }; + # TODO: Also provide something for Loki <2026-07-19> + }; + fail2ban.enable = true; rocie = { enable = true; diff --git a/modules/by-name/co/constants/module.nix b/modules/by-name/co/constants/module.nix index b94020b..9127488 100644 --- a/modules/by-name/co/constants/module.nix +++ b/modules/by-name/co/constants/module.nix @@ -56,6 +56,11 @@ anubis = 342; postfix-tlspol = 343; rocie = 344; + fluent-bit = 345; + loki = 346; + grafana = 347; + node-exporter = 348; + smartctl-exporter-access = 349; # As per the NixOS file, the uids should not be greater or equal to 400; }; @@ -96,6 +101,11 @@ resolvconf # This group is not matched to an user? stalwart-mail-certificates # This group is used to connect nginx and stalwart-mail rocie + fluent-bit + loki + grafana + node-exporter + smartctl-exporter-access ; # The gid should match the uid. Thus should not be >= 400; diff --git a/modules/by-name/mo/monitoring/components/grafana.nix b/modules/by-name/mo/monitoring/components/grafana.nix index 5459878..6fe5b70 100644 --- a/modules/by-name/mo/monitoring/components/grafana.nix +++ b/modules/by-name/mo/monitoring/components/grafana.nix @@ -118,31 +118,44 @@ in { }; }; + users = { + groups = { + grafana = { + gid = config.vhack.constants.ids.gids.grafana; + }; + }; + users = { + grafana = { + isSystemUser = true; + group = "grafana"; + uid = lib.mkForce config.vhack.constants.ids.uids.grafana; + }; + }; + }; + vhack = { postgresql.enable = true; + + persist.directories = [ + { + directory = "/var/lib/grafana/"; + user = "grafana"; + group = "grafana"; + mode = "0700"; + } + ]; + monitoring.grafana.dashboards = [ - ../dashboards/Errors.json - ../dashboards/Performance.json - ../dashboards/Scraping_Jobs.json + ../dashboards/node_exporter.json + ../dashboards/performance.json + ../dashboards/scraping_jobs.json + ../dashboards/systemd_exporter.json ]; + + anubis.instances."${cfg.fqdn}".target = "http://${config.services.grafana.settings.server.http_addr}:${toString cfg.port}"; }; services = { - nginx = { - virtualHosts.${cfg.fqdn} = { - locations."/" = { - proxyPass = "http://${toString config.services.grafana.settings.server.http_addr}:${toString config.services.grafana.settings.server.http_port}"; - proxyWebsockets = true; - extraConfig = '' - proxy_set_header Host $host; - ''; - }; - - forceSSL = true; - enableACME = true; - }; - }; - postgresql = { ensureUsers = [ { @@ -198,7 +211,7 @@ in { folder = "Vhack"; options.path = pkgs.symlinkJoin { name = "dashboards"; - paths = map (p: pkgs.runCommand "davhackoard" {} "mkdir $out; cp ${p} $out") cfg.dashboards; + paths = map (p: pkgs.runCommand "dashoard" {} "mkdir $out; cp ${p} $out") cfg.dashboards; }; allowUiUpdates = true; disableDeletion = true; diff --git a/modules/by-name/mo/monitoring/components/loki.nix b/modules/by-name/mo/monitoring/components/loki.nix index 9a285c5..149e577 100644 --- a/modules/by-name/mo/monitoring/components/loki.nix +++ b/modules/by-name/mo/monitoring/components/loki.nix @@ -17,50 +17,56 @@ in { }; config = lib.mkIf cfg.enable { - services = { - loki = { - enable = true; - dataDir = "/var/lib/loki"; - package = pkgs.grafana-loki; - configuration = { - auth_enabled = false; - - server.http_listen_port = cfg.port; - - common = { - ring = { - instance_addr = "127.0.0.1"; - kvstore = { - store = "inmemory"; - }; - }; - - replication_factor = 1; - path_prefix = "/tmp/loki"; - }; - - schema_config = { - configs = [ - { - from = "2020-05-15"; - store = "tsdb"; - object_store = "filesystem"; - schema = "v13"; - index = { - prefix = "index_"; - period = "24h"; - }; - } - ]; - }; + vhack = { + persist.directories = [ + { + directory = "/var/lib/loki"; + user = "loki"; + group = "loki"; + mode = "0700"; + } + { + directory = "/var/lib/fluent-bit"; + user = "fluent-bit"; + group = "fluent-bit"; + mode = "0700"; + } + ]; + }; - storage_config = { - filesystem.directory = "/tmp/loki/chunks"; - }; + users = { + groups = { + fluent-bit = { + gid = config.vhack.constants.ids.gids.fluent-bit; + }; + loki = { + gid = config.vhack.constants.ids.gids.loki; }; }; + users = { + fluent-bit = { + isSystemUser = true; + group = "fluent-bit"; + uid = config.vhack.constants.ids.uids.fluent-bit; + }; + loki = { + isSystemUser = true; + group = "loki"; + uid = config.vhack.constants.ids.uids.loki; + }; + }; + }; - # I decided to switch to fluent-bit because it can be tested locally https://docs.fluentbit.io/manual/local-testing/logging-pipeline + # I decided to switch to fluent-bit because it can be tested locally https://docs.fluentbit.io/manual/local-testing/logging-pipeline + systemd.services.fluent-bit = { + serviceConfig = { + StateDirectory = "fluent-bit"; + User = "fluent-bit"; + Group = "fluent-bit"; + DynamicUser = lib.mkForce false; + }; + }; + services = { fluent-bit = { enable = true; settings = { @@ -85,7 +91,7 @@ in { path = "/var/log/journal"; # Database file to keep track of the journald cursor. - db = "/var/fluent-bit/systemd.db"; + db = "/var/lib/fluent-bit/systemd.db"; # Start reading new entries. Skip entries already stored in journald. read_from_tail = true; @@ -117,6 +123,48 @@ in { }; graceLimit = "1m"; }; + + loki = { + enable = true; + dataDir = "/var/lib/loki"; + package = pkgs.grafana-loki; + configuration = { + auth_enabled = false; + + server.http_listen_port = cfg.port; + + common = { + ring = { + instance_addr = "127.0.0.1"; + kvstore = { + store = "inmemory"; + }; + }; + + replication_factor = 1; + path_prefix = "/tmp/loki"; + }; + + schema_config = { + configs = [ + { + from = "2020-05-15"; + store = "tsdb"; + object_store = "filesystem"; + schema = "v13"; + index = { + prefix = "index_"; + period = "24h"; + }; + } + ]; + }; + + storage_config = { + filesystem.directory = "/tmp/loki/chunks"; + }; + }; + }; }; }; } diff --git a/modules/by-name/mo/monitoring/components/prometheus.nix b/modules/by-name/mo/monitoring/components/prometheus.nix index 468ece3..ca947d3 100644 --- a/modules/by-name/mo/monitoring/components/prometheus.nix +++ b/modules/by-name/mo/monitoring/components/prometheus.nix @@ -8,7 +8,6 @@ commonLabels = { hostname = config.networking.hostName; - inherit (config.vhack.monitoring.grafana) fqdn; }; prom_cfg = config.services.prometheus; @@ -22,6 +21,35 @@ in { default = 3001; }; + remoteWriteReceiver = lib.mkOption { + example = "https://prometheus.server2.vhack.eu"; + type = lib.types.nullOr lib.types.str; + default = null; + description = '' + If not null, this prometheus server will be exposed via a reverse proxy and allow + other prometheus servers to write metrics to it. + ''; + }; + remoteWriteTo = lib.mkOption { + example = "https://prometheus.server3.vhack.eu"; + type = lib.types.nullOr (lib.types.submodule { + options = { + port = lib.mkOption { + type = lib.types.nullOr lib.types.port; + default = null; + }; + url = lib.mkOption { + type = lib.types.str; + }; + }; + }); + default = null; + description = '' + If not null, this prometheus server will run in agent mode, writing all recived + metrics to the specified remote prometheus server. + ''; + }; + sources = lib.mkOption { type = lib.types.listOf (lib.types.submodule { options = { @@ -30,6 +58,7 @@ in { }; target = lib.mkOption { type = lib.types.str; + description = "The target url to scrape from."; }; extra = lib.mkOption { type = lib.types.attrsOf lib.types.anything; @@ -42,16 +71,22 @@ in { config = lib.mkIf cfg.enable { vhack = { nginx.enable = true; + + persist.directories = [ + { + directory = "/var/lib/prometheus2"; + user = "prometheus"; + group = "prometheus"; + mode = "0700"; + } + ]; + monitoring.prometheus.sources = [ { name = "node"; target = "127.0.0.1:${toString prom_cfg.exporters.node.port}"; } { - name = "smartctl"; - target = "127.0.0.1:${toString prom_cfg.exporters.smartctl.port}"; - } - { name = "prometheus_internal"; target = "127.0.0.1:${toString prom_cfg.port}"; } @@ -59,18 +94,36 @@ in { name = "systemd"; target = "127.0.0.1:${toString prom_cfg.exporters.systemd.port}"; } - { - name = "netdata"; - target = "127.0.0.1:19999"; - extra = { - metrics_path = "/api/v1/allmetrics"; - params.format = ["prometheus"]; - honor_labels = true; - }; - } ]; }; + services.nginx = lib.mkIf (cfg.remoteWriteReceiver != null) { + virtualHosts.${cfg.remoteWriteReceiver} = { + locations."/" = { + proxyPass = "http://127.0.0.1:${toString cfg.port}/api/v1/write"; + + recommendedProxySettings = true; + proxyWebsockets = true; + }; + + enableACME = true; + forceSSL = true; + }; + }; + + users = { + groups = { + node-exporter.gid = config.vhack.constants.ids.gids.node-exporter; + }; + users = { + node-exporter = { + isSystemUser = true; + group = "node-exporter"; + uid = config.vhack.constants.ids.uids.node-exporter; + }; + }; + }; + services = { prometheus = { enable = true; @@ -79,6 +132,28 @@ in { globalConfig = { scrape_interval = "15s"; }; + remoteWrite = lib.optionals (cfg.remoteWriteTo != null) [ + { + url = let + port = + if (cfg.remoteWriteTo.port != null) + then ":${toString cfg.remoteWriteTo.port}" + else ""; + in "${cfg.remoteWriteTo.url}${port}"; + # TODO: Needs RFC42 for prometheus <2026-07-19> + # protobuf_message = "io.prometheus.write.v2.Request"; + } + ]; + + enableAgentMode = cfg.remoteWriteTo != null; + extraFlags = lib.mkMerge [ + ( + lib.mkIf (cfg.remoteWriteReceiver != null) [ + "--web.enable-remote-write-receiver" + # "--web.remote-write-receiver.accepted-protobuf-messages=io.prometheus.write.v2.Request" + ] + ) + ]; scrapeConfigs = builtins.map (attr: nixLib.warnMerge { @@ -90,7 +165,7 @@ in { } ]; } - attr.extra "prometheus scrapeConfig") + attr.extra "prometheus scrapeConfig '${attr.name}'") cfg.sources; # ++ (lib.optional (builtins.length (lib.attrNames config.services.redis.servers) > 0) { # job_name = "redis"; @@ -159,11 +234,6 @@ in { port = 9112; listenAddress = "127.0.0.1"; }; - smartctl = { - enable = true; - port = 9115; - listenAddress = "127.0.0.1"; - }; # services.prometheus.exporters.redis = lib.mkIf (builtins.length (lib.attrNames config.services.redis.servers) > 0) { # enable = true; # port = 9119; @@ -184,6 +254,16 @@ in { enable = true; port = 9116; listenAddress = "127.0.0.1"; + extraFlags = [ + "--log.level=info" + "--web.disable-exporter-metrics" + # "--systemd.collector.enable-resolved" + "--systemd.collector.enable-restart-count" + # "--systemd.collector.enable-file-descriptor-size" + "--systemd.collector.enable-ip-accounting" + "--systemd.collector.unit-include=\".+\"" + "--systemd.collector.unit-exclude=\".+\\\\.(device)\"" + ]; }; }; }; diff --git a/modules/by-name/mo/monitoring/components/scrutiny.nix b/modules/by-name/mo/monitoring/components/scrutiny.nix index d69dcab..adb515e 100644 --- a/modules/by-name/mo/monitoring/components/scrutiny.nix +++ b/modules/by-name/mo/monitoring/components/scrutiny.nix @@ -8,18 +8,11 @@ in { options.vhack.monitoring.scrutiny = { enable = lib.mkEnableOption "scrutiny service"; - - fqdn = lib.mkOption { - type = lib.types.nullOr lib.types.str; - description = '' - If a string, this will be the domain under which the scrutiny web interface will be servced. - - If null, the web interface will not be served and only the prometheus metrics will be accessible. - ''; - }; }; - config = lib.mkIf cfg.enable { + # We don't currently _care_ about the health of the hardware, because hetzner does + # this for us (nor can we care, because it's not exposed in the VPS) + config = lib.mkIf false { vhack.monitoring = { prometheus.sources = [ { @@ -27,12 +20,29 @@ in { extra.metrics_path = "/api/metrics"; target = "127.0.0.1:${toString config.services.scrutiny.settings.web.listen.port}"; } + { + name = "smartctl"; + target = "127.0.0.1:${toString config.services.prometheus.exporters.smartctl.port}"; + } ]; grafana.dashboards = [ ../dashboards/Health.json ]; }; + users = { + groups = { + smartctl-exporter-access.gid = config.vhack.constants.ids.gids.smartctl-exporter-access; + }; + users = { + smartctl-exporter-access = { + isSystemUser = true; + group = "smartctl-exporter-access"; + uid = config.vhack.constants.ids.uids.smartctl-exporter-access; + }; + }; + }; + services = { scrutiny = { enable = true; @@ -62,27 +72,11 @@ in { enable = true; }; }; - - # nginx.statusPage = lib.mkDefault config.services.nginx.enable; - nginx = lib.mkIf (cfg.fqdn != null) { - virtualHosts."${cfg.fqdn}" = { - locations."/".proxyPass = "http://127.0.0.1:${toString config.services.scrutiny.settings.web.listen.port}"; - - enableACME = true; - forceSSL = true; - }; - }; - - netdata = { - enable = true; - config = { - # web.mode = "none"; - # web."bind to" = "127.0.0.1:19999"; - global = { - "debug log" = "syslog"; - "access log" = "syslog"; - "error log" = "syslog"; - }; + prometheus = { + exporters.smartctl = { + enable = true; + port = 9115; + listenAddress = "127.0.0.1"; }; }; }; diff --git a/modules/by-name/mo/monitoring/dashboards/Errors.json b/modules/by-name/mo/monitoring/dashboards/Errors.json deleted file mode 100644 index 22f4340..0000000 --- a/modules/by-name/mo/monitoring/dashboards/Errors.json +++ /dev/null @@ -1,811 +0,0 @@ -{ - "annotations": { - "list": [ - { - "builtIn": 1, - "datasource": { - "type": "grafana", - "uid": "-- Grafana --" - }, - "enable": true, - "hide": true, - "iconColor": "rgba(0, 211, 255, 1)", - "name": "Annotations & Alerts", - "type": "dashboard" - } - ] - }, - "editable": true, - "fiscalYearStartMonth": 0, - "graphTooltip": 0, - "id": 8, - "links": [], - "panels": [ - { - "datasource": { - "type": "loki", - "uid": "cd6cc53e-840c-484d-85f7-96fede324006" - }, - "fieldConfig": { - "defaults": { - "color": { - "mode": "palette-classic" - }, - "custom": { - "axisBorderShow": false, - "axisCenteredZero": false, - "axisColorMode": "text", - "axisLabel": "", - "axisPlacement": "auto", - "barAlignment": 0, - "barWidthFactor": 0.6, - "drawStyle": "line", - "fillOpacity": 0, - "gradientMode": "none", - "hideFrom": { - "legend": false, - "tooltip": false, - "viz": false - }, - "insertNulls": false, - "lineInterpolation": "linear", - "lineWidth": 1, - "pointSize": 5, - "scaleDistribution": { - "type": "linear" - }, - "showPoints": "auto", - "spanNulls": false, - "stacking": { - "group": "A", - "mode": "none" - }, - "thresholdsStyle": { - "mode": "off" - } - }, - "mappings": [], - "thresholds": { - "mode": "absolute", - "steps": [ - { - "color": "light-red", - "value": null - }, - { - "color": "transparent", - "value": 0.99 - } - ] - }, - "unit": "reqps" - }, - "overrides": [] - }, - "gridPos": { - "h": 7, - "w": 24, - "x": 0, - "y": 0 - }, - "id": 12, - "links": [ - { - "title": "explore", - "url": "https://grafana.tiserbox.com/explore?panes=%7B%22HWt%22:%7B%22datasource%22:%22cd6cc53e-840c-484d-85f7-96fede324006%22,%22queries%22:%5B%7B%22refId%22:%22A%22,%22expr%22:%22%7Bunit%3D%5C%22nginx.service%5C%22%7D%20%7C%20pattern%20%5C%22%3C_%3E%20%3C_%3E%20%3Cline%3E%5C%22%20%7C%20line_format%20%5C%22%7B%7B.line%7D%7D%5C%22%20%7C%20json%20%7C%20status%20%21~%20%5C%222..%5C%22%20%7C%20__error__%20%21%3D%20%5C%22JSONParserErr%5C%22%22,%22queryType%22:%22range%22,%22datasource%22:%7B%22type%22:%22loki%22,%22uid%22:%22cd6cc53e-840c-484d-85f7-96fede324006%22%7D,%22editorMode%22:%22code%22%7D%5D,%22range%22:%7B%22from%22:%22now-6h%22,%22to%22:%22now%22%7D%7D%7D&schemaVersion=1&orgId=1" - } - ], - "options": { - "legend": { - "calcs": [ - "mean", - "max" - ], - "displayMode": "table", - "placement": "right", - "showLegend": true - }, - "tooltip": { - "mode": "single", - "sort": "none" - } - }, - "pluginVersion": "11.4.0", - "targets": [ - { - "datasource": { - "type": "loki", - "uid": "cd6cc53e-840c-484d-85f7-96fede324006" - }, - "editorMode": "code", - "expr": "sum by(server_name) (rate({unit=\"nginx.service\"} | pattern \"<_> <_> <line>\" | line_format \"{{.line}}\" | json | __error__ != \"JSONParserErr\" | server_name =~ \"[[server_name]].*\" [$__auto]))", - "legendFormat": "{{server_name}}", - "queryType": "range", - "refId": "A" - } - ], - "title": "Rate of Requests", - "transformations": [ - { - "id": "extractFields", - "options": { - "replace": true, - "source": "Line" - } - }, - { - "id": "organize", - "options": { - "excludeByName": {}, - "indexByName": { - "body_bytes_sent": 9, - "bytes_sent": 8, - "gzip_ration": 11, - "post": 12, - "referrer": 10, - "remote_addr": 3, - "remote_user": 6, - "request": 4, - "request_length": 7, - "request_time": 15, - "server_name": 2, - "status": 1, - "time_local": 0, - "upstream_addr": 13, - "upstream_connect_time": 17, - "upstream_header_time": 18, - "upstream_response_time": 16, - "upstream_status": 14, - "user_agent": 5 - }, - "renameByName": {} - } - } - ], - "type": "timeseries" - }, - { - "datasource": { - "type": "loki", - "uid": "cd6cc53e-840c-484d-85f7-96fede324006" - }, - "fieldConfig": { - "defaults": { - "color": { - "mode": "palette-classic" - }, - "custom": { - "axisBorderShow": false, - "axisCenteredZero": false, - "axisColorMode": "text", - "axisLabel": "", - "axisPlacement": "auto", - "axisSoftMin": 0.5, - "barAlignment": 0, - "barWidthFactor": 0.6, - "drawStyle": "line", - "fillOpacity": 0, - "gradientMode": "none", - "hideFrom": { - "legend": false, - "tooltip": false, - "viz": false - }, - "insertNulls": false, - "lineInterpolation": "linear", - "lineWidth": 1, - "pointSize": 5, - "scaleDistribution": { - "type": "linear" - }, - "showPoints": "auto", - "spanNulls": false, - "stacking": { - "group": "A", - "mode": "none" - }, - "thresholdsStyle": { - "mode": "dashed+area" - } - }, - "mappings": [], - "max": 1.01, - "thresholds": { - "mode": "absolute", - "steps": [ - { - "color": "light-red", - "value": null - }, - { - "color": "transparent", - "value": 0.99 - } - ] - }, - "unit": "percentunit" - }, - "overrides": [] - }, - "gridPos": { - "h": 7, - "w": 12, - "x": 0, - "y": 7 - }, - "id": 9, - "links": [ - { - "title": "explore", - "url": "https://grafana.tiserbox.com/explore?panes=%7B%22HWt%22:%7B%22datasource%22:%22cd6cc53e-840c-484d-85f7-96fede324006%22,%22queries%22:%5B%7B%22refId%22:%22A%22,%22expr%22:%22%7Bunit%3D%5C%22nginx.service%5C%22%7D%20%7C%20pattern%20%5C%22%3C_%3E%20%3C_%3E%20%3Cline%3E%5C%22%20%7C%20line_format%20%5C%22%7B%7B.line%7D%7D%5C%22%20%7C%20json%20%7C%20status%20%21~%20%5C%222..%5C%22%20%7C%20__error__%20%21%3D%20%5C%22JSONParserErr%5C%22%22,%22queryType%22:%22range%22,%22datasource%22:%7B%22type%22:%22loki%22,%22uid%22:%22cd6cc53e-840c-484d-85f7-96fede324006%22%7D,%22editorMode%22:%22code%22%7D%5D,%22range%22:%7B%22from%22:%22now-6h%22,%22to%22:%22now%22%7D%7D%7D&schemaVersion=1&orgId=1" - } - ], - "options": { - "legend": { - "calcs": [ - "lastNotNull", - "min" - ], - "displayMode": "table", - "placement": "right", - "showLegend": true - }, - "tooltip": { - "mode": "single", - "sort": "none" - } - }, - "pluginVersion": "11.4.0", - "targets": [ - { - "datasource": { - "type": "loki", - "uid": "cd6cc53e-840c-484d-85f7-96fede324006" - }, - "editorMode": "code", - "expr": "(sum by(server_name) (count_over_time({unit=\"nginx.service\"} | pattern \"<_> <_> <line>\" | line_format \"{{.line}}\" | json | __error__ != \"JSONParserErr\" | status =~ \"[1234]..\" | server_name =~ \"[[server_name]].*\" [7d])) / sum by(server_name) (count_over_time({unit=\"nginx.service\"} | pattern \"<_> <_> <line>\" | line_format \"{{.line}}\" | json | __error__ != \"JSONParserErr\" | server_name =~ \"[[server_name]].*\" [7d])))", - "legendFormat": "{{server_name}}", - "queryType": "range", - "refId": "A" - } - ], - "title": "5XX Requests Error Budgets", - "transformations": [ - { - "id": "extractFields", - "options": { - "replace": true, - "source": "Line" - } - }, - { - "id": "organize", - "options": { - "excludeByName": {}, - "indexByName": { - "body_bytes_sent": 9, - "bytes_sent": 8, - "gzip_ration": 11, - "post": 12, - "referrer": 10, - "remote_addr": 3, - "remote_user": 6, - "request": 4, - "request_length": 7, - "request_time": 15, - "server_name": 2, - "status": 1, - "time_local": 0, - "upstream_addr": 13, - "upstream_connect_time": 17, - "upstream_header_time": 18, - "upstream_response_time": 16, - "upstream_status": 14, - "user_agent": 5 - }, - "renameByName": {} - } - } - ], - "type": "timeseries" - }, - { - "datasource": { - "type": "loki", - "uid": "cd6cc53e-840c-484d-85f7-96fede324006" - }, - "fieldConfig": { - "defaults": { - "color": { - "mode": "palette-classic" - }, - "custom": { - "axisBorderShow": false, - "axisCenteredZero": false, - "axisColorMode": "text", - "axisLabel": "", - "axisPlacement": "auto", - "barAlignment": 0, - "barWidthFactor": 0.6, - "drawStyle": "line", - "fillOpacity": 0, - 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"Service Restart Count", + "description": "", + "links": [], + "data": { + "kind": "QueryGroup", + "spec": { + "queries": [ + { + "kind": "PanelQuery", + "spec": { + "query": { + "kind": "DataQuery", + "group": "prometheus", + "version": "v0", + "datasource": { + "name": "df80f9f5-97d7-4112-91d8-72f523a02b09" + }, + "spec": { + "editorMode": "builder", + "expr": "sum by(name) (systemd_service_restart_total{instance=~\"$instance\"})", + "instant": false, + "legendFormat": "{{name}} sent", + "range": true + } + }, + "refId": "A", + "hidden": false + } + } + ], + "transformations": [], + "queryOptions": {} + } + }, + "vizConfig": { + "kind": "VizConfig", + "group": "timeseries", + "version": "13.0.3", + "spec": { + "options": { + "annotations": { + "clustering": -1, + "multiLane": false + }, + "legend": { + "calcs": [], + "displayMode": "list", + "placement": "bottom", + "showLegend": false + }, + "tooltip": { + "hideZeros": false, + "mode": "single", + "sort": "none" + } + }, + "fieldConfig": { + "defaults": { + "unit": "none", + "thresholds": { + "mode": "absolute", + "steps": [ + { + "value": 0, + "color": "green" + }, + { + "value": 80, + "color": "red" + } + ] + }, + "color": { + "mode": "palette-classic" + }, + "custom": { + "axisBorderShow": false, + "axisCenteredZero": false, + "axisColorMode": "text", + "axisLabel": "", + "axisPlacement": "auto", + "barAlignment": 0, + "barWidthFactor": 0.6, + "drawStyle": "line", + "fillOpacity": 0, + "gradientMode": "none", + "hideFrom": { + "legend": false, + "tooltip": false, + "viz": false + }, + "insertNulls": false, + "lineInterpolation": "linear", + "lineWidth": 1, + "pointSize": 5, + "scaleDistribution": { + "type": "linear" + }, + "showPoints": "auto", + "showValues": false, + "spanNulls": false, + "stacking": { + "group": "A", + "mode": "none" + }, + "thresholdsStyle": { + "mode": "off" + } + } + }, + "overrides": [] + } + } + } + } + }, + "panel-9": { + "kind": "Panel", + "spec": { + "id": 9, + "title": "Service Activating State", + "description": "", + "links": [], + "data": { + "kind": "QueryGroup", + "spec": { + "queries": [ + { + "kind": "PanelQuery", + "spec": { + "query": { + "kind": "DataQuery", + "group": "prometheus", + "version": "v0", + "datasource": { + "name": "df80f9f5-97d7-4112-91d8-72f523a02b09" + }, + "spec": { + "editorMode": "code", + "expr": "count by (state) (systemd_unit_state{instance=~\"$instance\",state=\"activating\"}==1)", + "instant": false, + "legendFormat": "{{state}}", + "range": true + } + }, + "refId": "A", + "hidden": false + } + } + ], + "transformations": [], + "queryOptions": {} + } + }, + "vizConfig": { + "kind": "VizConfig", + "group": "stat", + "version": "13.0.3", + "spec": { + "options": { + "colorMode": "value", + "graphMode": "area", + "justifyMode": "auto", + "orientation": "auto", + "percentChangeColorMode": "standard", + "reduceOptions": { + "calcs": [ + "lastNotNull" + ], + "fields": "", + "values": false + }, + "showPercentChange": false, + "textMode": "auto", + "wideLayout": true + }, + "fieldConfig": { + "defaults": { + "thresholds": { + "mode": "absolute", + "steps": [ + { + "value": 0, + "color": "green" + } + ] + }, + "color": { + "mode": "thresholds" + }, + "noValue": "0" + }, + "overrides": [] + } + } + } + } + } + }, + "layout": { + "kind": "RowsLayout", + "spec": { + "rows": [ + { + "kind": "RowsLayoutRow", + "spec": { + "title": "General", + "collapse": false, + "layout": { + "kind": "GridLayout", + "spec": { + "items": [ + { + "kind": "GridLayoutItem", + "spec": { + "x": 0, + "y": 0, + "width": 3, + "height": 3, + "element": { + "kind": "ElementReference", + "name": "panel-9" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 3, + "y": 0, + "width": 3, + "height": 3, + "element": { + "kind": "ElementReference", + "name": "panel-11" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 6, + "y": 0, + "width": 3, + "height": 3, + "element": { + "kind": "ElementReference", + "name": "panel-10" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 9, + "y": 0, + "width": 3, + "height": 3, + "element": { + "kind": "ElementReference", + "name": "panel-12" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 12, + "y": 0, + "width": 3, + "height": 3, + "element": { + "kind": "ElementReference", + "name": "panel-13" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 0, + "y": 3, + "width": 24, + "height": 11, + "element": { + "kind": "ElementReference", + "name": "panel-26" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 0, + "y": 14, + "width": 12, + "height": 8, + "element": { + "kind": "ElementReference", + "name": "panel-6" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 12, + "y": 14, + "width": 12, + "height": 8, + "element": { + "kind": "ElementReference", + "name": "panel-7" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 0, + "y": 22, + "width": 12, + "height": 8, + "element": { + "kind": "ElementReference", + "name": "panel-24" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 12, + "y": 22, + "width": 12, + "height": 8, + "element": { + "kind": "ElementReference", + "name": "panel-25" + } + } + } + ] + } + } + } + }, + { + "kind": "RowsLayoutRow", + "spec": { + "title": "State", + "collapse": false, + "layout": { + "kind": "GridLayout", + "spec": { + "items": [ + { + "kind": "GridLayoutItem", + "spec": { + "x": 0, + "y": 0, + "width": 12, + "height": 8, + "element": { + "kind": "ElementReference", + "name": "panel-14" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 12, + "y": 0, + "width": 12, + "height": 8, + "element": { + "kind": "ElementReference", + "name": "panel-16" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 0, + "y": 8, + "width": 12, + "height": 8, + "element": { + "kind": "ElementReference", + "name": "panel-15" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 12, + "y": 8, + "width": 12, + "height": 8, + "element": { + "kind": "ElementReference", + "name": "panel-17" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 0, + "y": 16, + "width": 12, + "height": 8, + "element": { + "kind": "ElementReference", + "name": "panel-18" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 12, + "y": 16, + "width": 12, + "height": 8, + "element": { + "kind": "ElementReference", + "name": "panel-19" + } + } + } + ] + } + } + } + }, + { + "kind": "RowsLayoutRow", + "spec": { + "title": "Traffic", + "collapse": false, + "layout": { + "kind": "GridLayout", + "spec": { + "items": [ + { + "kind": "GridLayoutItem", + "spec": { + "x": 0, + "y": 0, + "width": 12, + "height": 8, + "element": { + "kind": "ElementReference", + "name": "panel-2" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 12, + "y": 0, + "width": 12, + "height": 8, + "element": { + "kind": "ElementReference", + "name": "panel-3" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 0, + "y": 8, + "width": 12, + "height": 8, + "element": { + "kind": "ElementReference", + "name": "panel-4" + } + } + }, + { + "kind": "GridLayoutItem", + "spec": { + "x": 12, + "y": 8, + "width": 12, + "height": 8, + "element": { + "kind": "ElementReference", + "name": "panel-5" + } + } + } + ] + } + } + } + }, + { + "kind": "RowsLayoutRow", + "spec": { + "title": "Extra", + "collapse": false, + "layout": { + "kind": "GridLayout", + "spec": { + "items": [ + { + "kind": "GridLayoutItem", + "spec": { + "x": 0, + "y": 0, + "width": 17, + "height": 4, + "element": { + "kind": "ElementReference", + "name": "panel-1" + } + } + } + ] + } + } + } + } + ] + } + }, + "links": [], + "liveNow": false, + "preload": false, + "tags": [], + "timeSettings": { + "timezone": "browser", + "from": "now-3h", + "to": "now", + "autoRefresh": "", + "autoRefreshIntervals": [ + "5s", + "10s", + "30s", + "1m", + "5m", + "15m", + "30m", + "1h", + "2h", + "1d" + ], + "hideTimepicker": false, + "fiscalYearStartMonth": 0 + }, + "title": "Systemd exporter", + "variables": [ + { + "kind": "DatasourceVariable", + "spec": { + "name": "datasource", + "pluginId": "prometheus", + "refresh": "onDashboardLoad", + "regex": "", + "current": { + "text": "Prometheus", + "value": "Prometheus" + }, + "options": [], + "multi": false, + "includeAll": false, + "hide": "dontHide", + "skipUrlSync": false, + "allowCustomValue": true + } + }, + { + "kind": "QueryVariable", + "spec": { + "name": "instance", + "current": { + "text": "", + "value": "" + }, + "hide": "dontHide", + "refresh": "onDashboardLoad", + "skipUrlSync": false, + "query": { + "kind": "DataQuery", + "group": "prometheus", + "version": "v0", + "datasource": { + "name": "df80f9f5-97d7-4112-91d8-72f523a02b09" + }, + "spec": { + "query": "label_values(systemd_exporter_build_info,instance)", + "refId": "PrometheusVariableQueryEditor-VariableQuery" + } + }, + "regex": "", + "regexApplyTo": "value", + "sort": "disabled", + "definition": "label_values(systemd_exporter_build_info,instance)", + "options": [], + "multi": false, + "includeAll": false, + "allowCustomValue": true + } + } + ] + } +}
\ No newline at end of file diff --git a/modules/by-name/ng/nginx/module.nix b/modules/by-name/ng/nginx/module.nix index 734a2d2..1317d4d 100644 --- a/modules/by-name/ng/nginx/module.nix +++ b/modules/by-name/ng/nginx/module.nix @@ -18,15 +18,6 @@ in { a default nginx config. ''; - selfsign = lib.mkOption { - type = lib.types.bool; - default = false; - description = '' - Whether to selfsign the acme certificates. This should only - really be useful for tests. - ''; - }; - redirects = lib.mkOption { type = lib.types.attrsOf lib.types.str; default = {}; @@ -74,10 +65,6 @@ in { defaults = { email = "admin@vhack.eu"; webroot = "/var/lib/acme/acme-challenge"; - - # Avoid spamming the acme server, if we run in a test, and only really want self-signed - # certificates - server = lib.mkIf cfg.selfsign "https://127.0.0.1"; }; }; @@ -86,6 +73,10 @@ in { }; services.nginx = { enable = true; + + # Enable the status page for the prometheus exporter. + statusPage = lib.mkIf config.services.prometheus.enable true; + virtualHosts = redirects; }; }; diff --git a/tests/by-name/mo/monitoring/test.nix b/tests/by-name/mo/monitoring-basic/test.nix index 0b2ed1c..a00331f 100644 --- a/tests/by-name/mo/monitoring/test.nix +++ b/tests/by-name/mo/monitoring-basic/test.nix @@ -1,6 +1,5 @@ { extraModules, - pkgs, vhack, ... }: let diff --git a/tests/by-name/mo/monitoring-federation/test.nix b/tests/by-name/mo/monitoring-federation/test.nix new file mode 100644 index 0000000..a64577d --- /dev/null +++ b/tests/by-name/mo/monitoring-federation/test.nix @@ -0,0 +1,109 @@ +{ + extraModules, + pkgs, + vhack, + ... +}: let + prometheusMain = "prometheus.server2.server.org"; + remoteWriteTo = { + url = "https://${prometheusMain}"; + }; + promPort = 3001; +in + vhack.runTest { + name = "monitoring"; + + serverDomains = [ + {server2 = prometheusMain;} + ]; + + nodes = { + server2 = {config, ...}: { + imports = + extraModules + ++ [ + ../../../../modules + ]; + + environment.systemPackages = [ + pkgs.curl + ]; + + vhack = { + monitoring = { + prometheus = { + enable = true; + port = promPort; + remoteWriteReceiver = prometheusMain; + }; + }; + }; + }; + server3 = {config, ...}: { + imports = + extraModules + ++ [ + ../../../../modules + ]; + + vhack = { + monitoring = { + prometheus = { + enable = true; + port = promPort; + inherit remoteWriteTo; + }; + }; + }; + }; + server4 = {config, ...}: { + imports = + extraModules + ++ [ + ../../../../modules + ]; + + vhack = { + monitoring = { + prometheus = { + enable = true; + port = promPort; + inherit remoteWriteTo; + }; + }; + }; + }; + }; + + services = [ + {server2 = "prometheus.service";} + {server3 = "prometheus.service";} + {server4 = "prometheus.service";} + ]; + + testScript = {...}: + # Python + '' + import json, time + + # Give the Prometheus servers some time to generate metrics and sync with the main + # one. + time.sleep(1) + + metrics = server2.succeed("${pkgs.writeShellScript "query-metrics" '' + curl --silent \ + http://127.0.0.1:${toString promPort}/api/v1/query?query="go_gc_cleanups_queued_cleanups_total" + ''}") + + metrics = json.loads(metrics) + + hosts = [] + for result in metrics["data"]["result"]: + server2.log(json.dumps(result,indent=4)) + hosts.append(result["metric"]["hostname"]) + + hosts.sort() + + assert hosts == ["server2", "server3", "server4"], f"Not all hosts used the remote write (got {hosts})" + ''; + } diff --git a/tests/common/acme/default.nix b/tests/common/acme/default.nix index c756a4f..e7869c2 100644 --- a/tests/common/acme/default.nix +++ b/tests/common/acme/default.nix @@ -29,14 +29,11 @@ in { ( # python '' # Start dependencies for the other services - acme.start() + start_all() + acme.wait_for_unit("pebble.service") - name_server.start() name_server.wait_for_unit("nsd.service") - # Start actual test - start_all() - with subtest("Add pebble ca key to all services"): for node in [name_server, ${builtins.concatStringsSep "," clients}]: node.wait_until_succeeds("curl https://acme.test:15000/roots/0") diff --git a/tests/default.nix b/tests/default.nix index 48fa9ec..9bab516 100644 --- a/tests/default.nix +++ b/tests/default.nix @@ -136,21 +136,37 @@ return status == 0 wasAlive: bool + deadCounter: int def run_and_wait(host, unit: str): global wasAlive + global deadCounter + wasAlive = False + deadCounter = 0 + def wait_state(_last_try: bool) -> bool: global wasAlive + global deadCounter state = host.get_unit_property(unit, "SubState") - if state == "failed": - assert False, f'Unit "{unit}" reached state "{state}"' + host.log(f"(waiting) {unit} -> {state}") - if state == "start" or state == "active" or state == "running": + match state: + case "failed": + assert False, f'Unit "{unit}" reached state "{state}"' + case "start" | "active" | "running": wasAlive = True + case "dead": + if wasAlive: + return True + else: + if deadCounter >= 5: + return True - host.log(f"(waiting) {unit} -> {state}") - return wasAlive and state == "dead" + deadCounter = deadCounter + 1 + return False + + return False with host.nested(f"Waiting for unit {unit}"): retry(wait_state) diff --git a/zones/vhack.eu/zone.nix b/zones/vhack.eu/zone.nix index 951b21a..91b5232 100644 --- a/zones/vhack.eu/zone.nix +++ b/zones/vhack.eu/zone.nix @@ -38,7 +38,7 @@ in { adminEmail = "dns-admin@foss-syndicate.org"; # NOTE(@bpeetz): ALWAYS change the serial number, when you change something in the # zone file! <2025-04-01> - serial = mkSerial 2026 07 19 01; + serial = mkSerial 2026 07 19 02; }; useOrigin = false; @@ -150,7 +150,7 @@ in { atuin-sync.CNAME = ["server2.vhack.eu."]; grafana.CNAME = ["server2.vhack.eu."]; - scrutiny.CNAME = ["server2.vhack.eu."]; + prometheus-server2.CNAME = ["server2.vhack.eu."]; dav.CNAME = ["server2.vhack.eu."]; etebase.CNAME = ["server2.vhack.eu."]; |