From 7be3c6c2e8c1550a54f64517b44ad402bb40657f Mon Sep 17 00:00:00 2001 From: Nicolas Lamirault Date: Sat, 6 Mar 2021 17:17:27 +0100 Subject: [PATCH] Add: Promtail mixin v2.1.0 Signed-off-by: Nicolas Lamirault --- charts/promtail-mixin/.helmignore | 23 +++ charts/promtail-mixin/Chart.yaml | 54 +++++ charts/promtail-mixin/LICENSE | 195 +++++++++++++++++++ charts/promtail-mixin/README.md | 28 +++ charts/promtail-mixin/ci/test-values.yaml | 8 + charts/promtail-mixin/templates/NOTES.txt | 4 + charts/promtail-mixin/templates/_helpers.tpl | 66 +++++++ charts/promtail-mixin/templates/alerts.yaml | 58 ++++++ charts/promtail-mixin/templates/rules.yaml | 43 ++++ charts/promtail-mixin/values.schema.json | 22 +++ charts/promtail-mixin/values.yaml | 12 ++ 11 files changed, 513 insertions(+) create mode 100644 charts/promtail-mixin/.helmignore create mode 100644 charts/promtail-mixin/Chart.yaml create mode 100644 charts/promtail-mixin/LICENSE create mode 100644 charts/promtail-mixin/README.md create mode 100644 charts/promtail-mixin/ci/test-values.yaml create mode 100644 charts/promtail-mixin/templates/NOTES.txt create mode 100644 charts/promtail-mixin/templates/_helpers.tpl create mode 100644 charts/promtail-mixin/templates/alerts.yaml create mode 100644 charts/promtail-mixin/templates/rules.yaml create mode 100644 charts/promtail-mixin/values.schema.json create mode 100644 charts/promtail-mixin/values.yaml diff --git a/charts/promtail-mixin/.helmignore b/charts/promtail-mixin/.helmignore new file mode 100644 index 00000000..0e8a0eb3 --- /dev/null +++ b/charts/promtail-mixin/.helmignore @@ -0,0 +1,23 @@ +# Patterns to ignore when building packages. +# This supports shell glob matching, relative path matching, and +# negation (prefixed with !). Only one pattern per line. +.DS_Store +# Common VCS dirs +.git/ +.gitignore +.bzr/ +.bzrignore +.hg/ +.hgignore +.svn/ +# Common backup files +*.swp +*.bak +*.tmp +*.orig +*~ +# Various IDEs +.project +.idea/ +*.tmproj +.vscode/ diff --git a/charts/promtail-mixin/Chart.yaml b/charts/promtail-mixin/Chart.yaml new file mode 100644 index 00000000..0f2ac2b4 --- /dev/null +++ b/charts/promtail-mixin/Chart.yaml @@ -0,0 +1,54 @@ +# Copyright (C) 2020 Nicolas Lamirault + +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +apiVersion: v2 +name: promtail-mixin +description: A Helm chart for Promtail Mixin +home: https://charts.portefaix.xyz +# icon: ..... +sources: + - https://github.com/nlamirault/portefaix-hub/tree/master/charts/promtail-mixin +type: application +keywords: + - promtail + - monitoring-mixin + - portefaix + +# This is the chart version. This version number should be incremented each time you make changes +# to the chart and its templates, including the app version. +# Versions are expected to follow Semantic Versioning (https://semver.org/) +version: 0.1.0 + +# This is the version number of the application being deployed. This version number should be +# incremented each time you make changes to the application. Versions are not expected to +# follow Semantic Versioning. They should reflect the version the application is using. +appVersion: 2.1.0 + +maintainers: + - name: nlamirault + email: nicolas.lamirault@gmail.com + +# https://artifacthub.io/docs/topics/repositories/ +annotations: + artifacthub.io/changes: | + - Artifact Hub informations + - Refactoring Prometheus rules configuration + artifacthub.io/links: | + - name: promtail + url: https://grafana.com/docs/promtail/latest/clients/promtail/ + - name: Portefaix + url: https://portefaix.xyz + artifacthub.io/maintainers: | + - name: nlamirault + email: nicolas.lamirault@gmail.com diff --git a/charts/promtail-mixin/LICENSE b/charts/promtail-mixin/LICENSE new file mode 100644 index 00000000..70a865f1 --- /dev/null +++ b/charts/promtail-mixin/LICENSE @@ -0,0 +1,195 @@ + +Apache License +Version 2.0, January 2004 +http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. 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Check its status by running: + kubectl --namespace {{ template "promtail-mixin.namespace" . }} get prometheusrules + +Visit https://github.com/nlamirault/portefaix-hub/charts/promtail-mixin. diff --git a/charts/promtail-mixin/templates/_helpers.tpl b/charts/promtail-mixin/templates/_helpers.tpl new file mode 100644 index 00000000..b05f00df --- /dev/null +++ b/charts/promtail-mixin/templates/_helpers.tpl @@ -0,0 +1,66 @@ +{{/* vim: set filetype=mustache: */}} + +{{/* +Expand the name of the chart. +*/}} +{{- define "promtail-mixin.name" -}} +{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }} +{{- end }} + +{{/* +Create a default fully qualified app name. +We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec). +If release name contains chart name it will be used as a full name. +*/}} +{{- define "promtail-mixin.fullname" -}} +{{- if .Values.fullnameOverride }} +{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }} +{{- else }} +{{- $name := default .Chart.Name .Values.nameOverride }} +{{- if contains $name .Release.Name }} +{{- .Release.Name | trunc 63 | trimSuffix "-" }} +{{- else }} +{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }} +{{- end }} +{{- end }} +{{- end }} + +{{/* +Create chart name and version as used by the chart label. +*/}} +{{- define "promtail-mixin.chart" -}} +{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }} +{{- end }} + +{{/* +Selector labels +*/}} +{{- define "promtail-mixin.selectorLabels" -}} +app.kubernetes.io/name: {{ include "promtail-mixin.name" . }} +app.kubernetes.io/instance: {{ .Release.Name }} +{{- end }} + +{{/* +Common labels +*/}} +{{- define "promtail-mixin.labels" -}} +helm.sh/chart: {{ include "promtail-mixin.chart" . }} +{{ include "promtail-mixin.selectorLabels" . }} +{{- if .Chart.AppVersion }} +app.kubernetes.io/version: {{ .Chart.Version | quote }} +{{- end }} +app.kubernetes.io/component: monitoring-mixin +app.kubernetes.io/part-of: {{ include "promtail-mixin.name" . }} +app.kubernetes.io/managed-by: {{ .Release.Service }} +{{- end }} + +{{/* +Allow the release namespace to be overridden +*/}} +{{- define "promtail-mixin.namespace" -}} + {{- if .Values.namespaceOverride -}} + {{- .Values.namespaceOverride -}} + {{- else -}} + {{- .Release.Namespace -}} + {{- end -}} +{{- end -}} \ No newline at end of file diff --git a/charts/promtail-mixin/templates/alerts.yaml b/charts/promtail-mixin/templates/alerts.yaml new file mode 100644 index 00000000..ad58fbcf --- /dev/null +++ b/charts/promtail-mixin/templates/alerts.yaml @@ -0,0 +1,58 @@ +--- +apiVersion: monitoring.coreos.com/v1 +kind: PrometheusRule +metadata: + name: promtail-mixin-alerts + labels: + app: {{ include "promtail-mixin.name" . }} +{{ include "promtail-mixin.labels" . | indent 4 }} +{{- if .Values.additionalLabels }} +{{ toYaml .Values.additionalLabels | indent 4 }} +{{- end }} +{{- if .Values.additionalAnnotations }} + annotations: +{{ toYaml .Values.additionalAnnotations | indent 4 }} +{{- end }} +spec: + groups: + - name: promtail_alerts + rules: + - alert: PromtailRequestsErrors + annotations: + message: | + {{`{{`}} $labels.job {{`}}`}} {{`{{`}} $labels.route {{`}}`}} is experiencing {{`{{`}} printf "%.2f" $value {{`}}`}}% errors. + expr: | + 100 * sum(rate(promtail_request_duration_seconds_count{status_code=~"5..|failed"}[1m])) by (namespace, job, route, instance) + / + sum(rate(promtail_request_duration_seconds_count[1m])) by (namespace, job, route, instance) + > 10 + for: 15m + labels: + severity: critical + - alert: PromtailRequestLatency + annotations: + message: | + {{`{{`}} $labels.job {{`}}`}} {{`{{`}} $labels.route {{`}}`}} is experiencing {{`{{`}} printf "%.2f" $value {{`}}`}}s 99th percentile latency. + expr: | + job_status_code_namespace:promtail_request_duration_seconds:99quantile > 1 + for: 15m + labels: + severity: critical + - alert: PromtailFileLagging + annotations: + message: | + {{`{{`}} $labels.instance {{`}}`}} {{`{{`}} $labels.job {{`}}`}} {{`{{`}} $labels.path {{`}}`}} has been lagging by more than 1MB for more than 15m. + expr: | + abs(promtail_file_bytes_total - promtail_read_bytes_total) > 1e6 + for: 15m + labels: + severity: warning + - alert: PromtailFileMissing + annotations: + message: | + {{`{{`}} $labels.instance {{`}}`}} {{`{{`}} $labels.job {{`}}`}} {{`{{`}} $labels.path {{`}}`}} matches the glob but is not being tailed. + expr: | + promtail_file_bytes_total unless promtail_read_bytes_total + for: 15m + labels: + severity: critical diff --git a/charts/promtail-mixin/templates/rules.yaml b/charts/promtail-mixin/templates/rules.yaml new file mode 100644 index 00000000..7ac81a15 --- /dev/null +++ b/charts/promtail-mixin/templates/rules.yaml @@ -0,0 +1,43 @@ +--- +apiVersion: monitoring.coreos.com/v1 +kind: PrometheusRule +metadata: + name: promtail-mixin-rules + labels: + app: {{ include "promtail-mixin.name" . }} +{{ include "promtail-mixin.labels" . | indent 4 }} +{{- if .Values.additionalLabels }} +{{ toYaml .Values.additionalLabels | indent 4 }} +{{- end }} +{{- if .Values.additionalAnnotations }} + annotations: +{{ toYaml .Values.additionalAnnotations | indent 4 }} +{{- end }} +spec: + groups: + - name: promtail_rules + rules: + - expr: histogram_quantile(0.99, sum(rate(promtail_request_duration_seconds_bucket[1m])) by (le, job, namespace)) + record: job_namespace:promtail_request_duration_seconds:99quantile + - expr: histogram_quantile(0.50, sum(rate(promtail_request_duration_seconds_bucket[1m])) by (le, job, namespace)) + record: job_namespace:promtail_request_duration_seconds:50quantile + - expr: sum(rate(promtail_request_duration_seconds_sum[1m])) by (job, namespace) / sum(rate(promtail_request_duration_seconds_count[1m])) by (job, namespace) + record: job_namespace:promtail_request_duration_seconds:avg + - expr: sum(rate(promtail_request_duration_seconds_bucket[1m])) by (le, job, namespace) + record: job_namespace:promtail_request_duration_seconds_bucket:sum_rate + - expr: sum(rate(promtail_request_duration_seconds_sum[1m])) by (job, namespace) + record: job_namespace:promtail_request_duration_seconds_sum:sum_rate + - expr: sum(rate(promtail_request_duration_seconds_count[1m])) by (job, namespace) + record: job_namespace:promtail_request_duration_seconds_count:sum_rate + - expr: histogram_quantile(0.99, sum(rate(promtail_request_duration_seconds_bucket[1m])) by (le, job, status_code, namespace)) + record: job_status_code_namespace:promtail_request_duration_seconds:99quantile + - expr: histogram_quantile(0.50, sum(rate(promtail_request_duration_seconds_bucket[1m])) by (le, job, status_code, namespace)) + record: job_status_code_namespace:promtail_request_duration_seconds:50quantile + - expr: sum(rate(promtail_request_duration_seconds_sum[1m])) by (job, status_code, namespace) / sum(rate(promtail_request_duration_seconds_count[1m])) by (job, status_code, namespace) + record: job_status_code_namespace:promtail_request_duration_seconds:avg + - expr: sum(rate(promtail_request_duration_seconds_bucket[1m])) by (le, job, status_code, namespace) + record: job_status_code_namespace:promtail_request_duration_seconds_bucket:sum_rate + - expr: sum(rate(promtail_request_duration_seconds_sum[1m])) by (job, status_code, namespace) + record: job_status_code_namespace:promtail_request_duration_seconds_sum:sum_rate + - expr: sum(rate(promtail_request_duration_seconds_count[1m])) by (job, status_code, namespace) + record: job_status_code_namespace:promtail_request_duration_seconds_count:sum_rate diff --git a/charts/promtail-mixin/values.schema.json b/charts/promtail-mixin/values.schema.json new file mode 100644 index 00000000..cd44ce5a --- /dev/null +++ b/charts/promtail-mixin/values.schema.json @@ -0,0 +1,22 @@ +{ + "$schema": "http://json-schema.org/schema#", + "title": "Thanos Mixin Chart JSON Schema", + "type": "object", + "properties": { + "fullnameOverride": { + "type": "string", + "default": "" + }, + "additionalLabels": { + "title": "Additional labels to add to the Prometheus rules", + "type": "object", + "default": {} + }, + "additionalAnnotations": { + "title": "Additional annotations to add to the Prometheus rules", + "type": "object", + "default": {} + } + }, + "required": [] +} \ No newline at end of file diff --git a/charts/promtail-mixin/values.yaml b/charts/promtail-mixin/values.yaml new file mode 100644 index 00000000..e0ff1d59 --- /dev/null +++ b/charts/promtail-mixin/values.yaml @@ -0,0 +1,12 @@ +# Default values for promtail-mixin. +# This is a YAML-formatted file. +# Declare variables to be passed into your templates. + +# -- Provide a name to substitute for the full names of resources +fullnameOverride: "" + +# -- Additional labels to add to the Prometheus rules +additionalLabels: {} + +# -- Additional annotations to add to the Prometheus rules +additionalAnnotations: {}