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diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/.helmignore b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/.helmignore new file mode 100644 index 00000000..50af0317 --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/.helmignore @@ -0,0 +1,22 @@ +# 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 +*~ +# Various IDEs +.project +.idea/ +*.tmproj +.vscode/ diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/Chart.yaml b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/Chart.yaml new file mode 100644 index 00000000..85ef7d65 --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/Chart.yaml @@ -0,0 +1,22 @@ +annotations: + category: Infrastructure +apiVersion: v1 +appVersion: 0.8.2 +description: A Library Helm Chart for grouping common logic between bitnami charts. + This chart is not deployable by itself. +home: https://github.com/bitnami/charts/tree/master/bitnami/common +icon: https://bitnami.com/downloads/logos/bitnami-mark.png +keywords: +- common +- helper +- template +- function +- bitnami +maintainers: +- email: containers@bitnami.com + name: Bitnami +name: common +sources: +- https://github.com/bitnami/charts +- http://www.bitnami.com/ +version: 0.8.2 diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/README.md b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/README.md new file mode 100644 index 00000000..9bcdfd6e --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/README.md @@ -0,0 +1,286 @@ +# Bitnami Common Library Chart + +A [Helm Library Chart](https://helm.sh/docs/topics/library_charts/#helm) for grouping common logic between bitnami charts. + +## TL;DR + +```yaml +dependencies: + - name: common + version: 0.x.x + repository: https://charts.bitnami.com/bitnami +``` + +```bash +$ helm dependency update +``` + +```yaml +apiVersion: v1 +kind: ConfigMap +metadata: + name: {{ include "common.names.fullname" . }} +data: + myvalue: "Hello World" +``` + +## Introduction + +This chart provides a common template helpers which can be used to develop new charts using [Helm](https://helm.sh) package manager. + +Bitnami charts can be used with [Kubeapps](https://kubeapps.com/) for deployment and management of Helm Charts in clusters. This Helm chart has been tested on top of [Bitnami Kubernetes Production Runtime](https://kubeprod.io/) (BKPR). Deploy BKPR to get automated TLS certificates, logging and monitoring for your applications. + +## Prerequisites + +- Kubernetes 1.12+ +- Helm 2.12+ or Helm 3.0-beta3+ + +## Parameters + +The following table lists the helpers available in the library which are scoped in different sections. + +### Affinities + +| Helper identifier | Description | Expected Input | +|-------------------------------------|-----------------------------------------------------------------|------------------------------------------------------------------| +| `common.affinities.node.soft` | Return a soft nodeAffinity definition | `dict "key" "FOO" "values" (list "BAR" "BAZ")` | +| `common.affinities.node.hard` | Return a hard nodeAffinity definition | `dict "key" "FOO" "values" (list "BAR" "BAZ")` | +| `common.affinities.pod.soft` | Return a soft podAffinity/podAntiAffinity definition | `dict "component" "FOO" "context" $` | +| `common.affinities.pod.hard` | Return a hard podAffinity/podAntiAffinity definition | `dict "component" "FOO" "context" $` | + +### Capabilities + +| Helper identifier | Description | Expected Input | +|------------------------------------------------|-----------------------------------------------------------------|----------------------------| +| `common.capabilities.deployment.apiVersion` | Return the appropriate apiVersion for deployment. | `.` Chart context | +| `common.capabilities.statefulset.apiVersion` | Return the appropriate apiVersion for statefulset. | `.` Chart context | +| `common.capabilities.ingress.apiVersion` | Return the appropriate apiVersion for ingress. | `.` Chart context | + +### Errors + +| Helper identifier | Description | Expected Input | +|------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------| +| `common.errors.upgrade.passwords.empty` | It will ensure required passwords are given when we are upgrading a chart. If `validationErrors` is not empty it will throw an error and will stop the upgrade action. | `dict "validationErrors" (list $validationError00 $validationError01) "context" $` | + +### Images + +| Helper identifier | Description | Expected Input | +|--------------------------------|-----------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------| +| `common.images.image` | Return the proper and full image name | `dict "imageRoot" .Values.path.to.the.image "global" $`, see [ImageRoot](#imageroot) for the structure. | +| `common.images.pullSecrets` | Return the proper Docker Image Registry Secret Names | `dict "images" (list .Values.path.to.the.image1, .Values.path.to.the.image2) "global" .Values.global` | + +### Labels + +| Helper identifier | Description | Expected Input | +|--------------------------------|-----------------------------------------------------------------|-----------------------------| +| `common.labels.standard` | Return Kubernetes standard labels | `.` Chart context | +| `common.labels.matchLabels` | Return the proper Docker Image Registry Secret Names | `.` Chart context | + +### Names + +| Helper identifier | Description | Expected Inpput | +|--------------------------------|-----------------------------------------------------------------|-----------------------------| +| `common.names.name` | Expand the name of the chart or use `.Values.nameOverride` | `.` Chart context | +| `common.names.fullname` | Create a default fully qualified app name. | `.` Chart context | +| `common.names.chart` | Chart name plus version | `.` Chart context | + +### Secrets + +| Helper identifier | Description | Expected Input | +|--------------------------------|-----------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------| +| `common.secrets.name` | Generate the name of the secret. | `dict "existingSecret" .Values.path.to.the.existingSecret "defaultNameSuffix" "mySuffix" "context" $` see [ExistingSecret](#existingsecret) for the structure. | +| `common.secrets.key` | Generate secret key. | `dict "existingSecret" .Values.path.to.the.existingSecret "key" "keyName"` see [ExistingSecret](#existingsecret) for the structure. | + +### Storage + +| Helper identifier | Description | Expected Input | +|--------------------------------|-----------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------| +| `common.affinities.node.soft` | Return a soft nodeAffinity definition | `dict "persistence" .Values.path.to.the.persistence "global" $`, see [Persistence](#persistence) for the structure. | + +### TplValues + +| Helper identifier | Description | Expected Input | +|--------------------------------|-----------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------| +| `common.tplvalues.render` | Renders a value that contains template | `dict "value" .Values.path.to.the.Value "context" $`, value is the value should rendered as template, context frecuently is the chart context `$` or `.` | + +### Utils + +| Helper identifier | Description | Expected Input | +|--------------------------------|-----------------------------------------------------------------|------------------------------------------------------------------------| +| `common.utils.fieldToEnvVar` | Build environment variable name given a field. | `dict "field" "my-password"` | +| `common.utils.secret.getvalue` | Print instructions to get a secret value. | `dict "secret" "secret-name" "field" "secret-value-field" "context" $` | +| `common.utils.getValueFromKey` | Gets a value from `.Values` object given its key path | `dict "key" "path.to.key" "context" $` | + +### Validations + +| Helper identifier | Description | Expected Input | +|--------------------------------------------------|------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| +| `common.validations.values.single.empty` | Validate a value must not be empty. | `dict "valueKey" "path.to.value" "secret" "secret.name" "field" "my-password" "context" $` secret and field are optional. In case they are given, the helper will generate a how to get instruction. See [ValidateValue](#validatevalue) | +| `common.validations.values.multiple.empty` | Validate a multiple values must not be empty. It returns a shared error for all the values. | `dict "required" (list $validateValueConf00 $validateValueConf01) "context" $`. See [ValidateValue](#validatevalue) | +| `common.validations.values.mariadb.passwords` | This helper will ensure required password for MariaDB are not empty. It returns a shared error for all the values. | `dict "secret" "mariadb-secret" "subchart" "true" "context" $` subchart field is optional and could be true or false it depends on where you will use postgresql chart and the helper. | +| `common.validations.values.postgresql.passwords` | This helper will ensure required password for PostgreSQL are not empty. It returns a shared error for all the values. | `dict "secret" "postgresql-secret" "subchart" "true" "context" $` subchart field is optional and could be true or false it depends on where you will use postgresql chart and the helper. | + +### Warnings + +| Helper identifier | Description | Expected Input | +|--------------------------------|-----------------------------------------------------------------|------------------------------------------------------------------| +| `common.warnings.rollingTag` | Warning about using rolling tag. | `ImageRoot` see [ImageRoot](#imageroot) for the structure. | + +## Special input schemas + +### ImageRoot + +```yaml +registry: + type: string + description: Docker registry where the image is located + example: docker.io + +repository: + type: string + description: Repository and image name + example: bitnami/nginx + +tag: + type: string + description: image tag + example: 1.16.1-debian-10-r63 + +pullPolicy: + type: string + description: Specify a imagePullPolicy. Defaults to 'Always' if image tag is 'latest', else set to 'IfNotPresent' + +pullSecrets: + type: array + items: + type: string + description: Optionally specify an array of imagePullSecrets. + +debug: + type: boolean + description: Set to true if you would like to see extra information on logs + example: false + +## An instance would be: +# registry: docker.io +# repository: bitnami/nginx +# tag: 1.16.1-debian-10-r63 +# pullPolicy: IfNotPresent +# debug: false +``` + +### Persistence + +```yaml +enabled: + type: boolean + description: Whether enable persistence. + example: true + +storageClass: + type: string + description: Ghost data Persistent Volume Storage Class, If set to "-", storageClassName: "" which disables dynamic provisioning. + example: "-" + +accessMode: + type: string + description: Access mode for the Persistent Volume Storage. + example: ReadWriteOnce + +size: + type: string + description: Size the Persistent Volume Storage. + example: 8Gi + +path: + type: string + description: Path to be persisted. + example: /bitnami + +## An instance would be: +# enabled: true +# storageClass: "-" +# accessMode: ReadWriteOnce +# size: 8Gi +# path: /bitnami +``` + +### ExistingSecret + +```yaml +name: + type: string + description: Name of the existing secret. + example: mySecret +keyMapping: + description: Mapping between the expected key name and the name of the key in the existing secret. + type: object + +## An instance would be: +# name: mySecret +# keyMapping: +# password: myPasswordKey +``` + +#### Example of use + +When we store sensitive data for a deployment in a secret, some times we want to give to users the possiblity of using theirs existing secrets. + +```yaml +# templates/secret.yaml +--- +apiVersion: v1 +kind: Secret +metadata: + name: {{ include "common.names.fullname" . }} + labels: + app: {{ include "common.names.fullname" . }} +type: Opaque +data: + password: {{ .Values.password | b64enc | quote }} + +# templates/dpl.yaml +--- +... + env: + - name: PASSWORD + valueFrom: + secretKeyRef: + name: {{ include "common.secrets.name" (dict "existingSecret" .Values.existingSecret "context" $) }} + key: {{ include "common.secrets.key" (dict "existingSecret" .Values.existingSecret "key" "password") }} +... + +# values.yaml +--- +name: mySecret +keyMapping: + password: myPasswordKey +``` + +### ValidateValue + +#### NOTES.txt + +```console +{{- $validateValueConf00 := (dict "valueKey" "path.to.value00" "secret" "secretName" "field" "password-00") -}} +{{- $validateValueConf01 := (dict "valueKey" "path.to.value01" "secret" "secretName" "field" "password-01") -}} + +{{ include "common.validations.values.multiple.empty" (dict "required" (list $validateValueConf00 $validateValueConf01) "context" $) }} +``` + +If we force those values to be empty we will see some alerts + +```console +$ helm install test mychart --set path.to.value00="",path.to.value01="" + 'path.to.value00' must not be empty, please add '--set path.to.value00=$PASSWORD_00' to the command. To get the current value: + + export PASSWORD_00=$(kubectl get secret --namespace default secretName -o jsonpath="{.data.password-00}" | base64 --decode) + + 'path.to.value01' must not be empty, please add '--set path.to.value01=$PASSWORD_01' to the command. To get the current value: + + export PASSWORD_01=$(kubectl get secret --namespace default secretName -o jsonpath="{.data.password-01}" | base64 --decode) +``` + +## Notable changes + +N/A diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_affinities.tpl b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_affinities.tpl new file mode 100644 index 00000000..40f575cb --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_affinities.tpl @@ -0,0 +1,94 @@ +{{/* vim: set filetype=mustache: */}} + +{{/* +Return a soft nodeAffinity definition +{{ include "common.affinities.nodes.soft" (dict "key" "FOO" "values" (list "BAR" "BAZ")) -}} +*/}} +{{- define "common.affinities.nodes.soft" -}} +preferredDuringSchedulingIgnoredDuringExecution: + - preference: + matchExpressions: + key: {{ .key }} + operator: In + values: + {{- range .values }} + - {{ . }} + {{- end }} + weight: 1 +{{- end -}} + +{{/* +Return a hard nodeAffinity definition +{{ include "common.affinities.nodes.hard" (dict "key" "FOO" "values" (list "BAR" "BAZ")) -}} +*/}} +{{- define "common.affinities.nodes.hard" -}} +requiredDuringSchedulingIgnoredDuringExecution: + nodeSelectorTerms: + - matchExpressions: + key: {{ .key }} + operator: In + values: + {{- range .values }} + - {{ . }} + {{- end }} +{{- end -}} + +{{/* +Return a nodeAffinity definition +{{ include "common.affinities.nodes" (dict "type" "soft" "key" "FOO" "values" (list "BAR" "BAZ")) -}} +*/}} +{{- define "common.affinities.nodes" -}} + {{- if eq .type "soft" }} + {{- include "common.affinities.nodes.soft" . -}} + {{- else if eq .type "hard" }} + {{- include "common.affinities.nodes.hard" . -}} + {{- end -}} +{{- end -}} + +{{/* +Return a soft podAffinity/podAntiAffinity definition +{{ include "common.affinities.pods.soft" (dict "component" "FOO" "context" $) -}} +*/}} +{{- define "common.affinities.pods.soft" -}} +{{- $component := default "" .component -}} +preferredDuringSchedulingIgnoredDuringExecution: + - podAffinityTerm: + labelSelector: + matchLabels: {{- (include "common.labels.matchLabels" .context) | nindent 10 }} + {{- if not (empty $component) }} + {{ printf "app.kubernetes.io/component: %s" $component }} + {{- end }} + namespaces: + - {{ .context.Release.Namespace }} + topologyKey: kubernetes.io/hostname + weight: 1 +{{- end -}} + +{{/* +Return a hard podAffinity/podAntiAffinity definition +{{ include "common.affinities.pods.hard" (dict "component" "FOO" "context" $) -}} +*/}} +{{- define "common.affinities.pods.hard" -}} +{{- $component := default "" .component -}} +requiredDuringSchedulingIgnoredDuringExecution: + - labelSelector: + matchLabels: {{- (include "common.labels.matchLabels" .context) | nindent 8 }} + {{- if not (empty $component) }} + {{ printf "app.kubernetes.io/component: %s" $component }} + {{- end }} + namespaces: + - {{ .context.Release.Namespace }} + topologyKey: kubernetes.io/hostname +{{- end -}} + +{{/* +Return a podAffinity/podAntiAffinity definition +{{ include "common.affinities.pods" (dict "type" "soft" "key" "FOO" "values" (list "BAR" "BAZ")) -}} +*/}} +{{- define "common.affinities.pods" -}} + {{- if eq .type "soft" }} + {{- include "common.affinities.pods.soft" . -}} + {{- else if eq .type "hard" }} + {{- include "common.affinities.pods.hard" . -}} + {{- end -}} +{{- end -}} diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_capabilities.tpl b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_capabilities.tpl new file mode 100644 index 00000000..143bef2a --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_capabilities.tpl @@ -0,0 +1,33 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Return the appropriate apiVersion for deployment. +*/}} +{{- define "common.capabilities.deployment.apiVersion" -}} +{{- if semverCompare "<1.14-0" .Capabilities.KubeVersion.GitVersion -}} +{{- print "extensions/v1beta1" -}} +{{- else -}} +{{- print "apps/v1" -}} +{{- end -}} +{{- end -}} + +{{/* +Return the appropriate apiVersion for statefulset. +*/}} +{{- define "common.capabilities.statefulset.apiVersion" -}} +{{- if semverCompare "<1.14-0" .Capabilities.KubeVersion.GitVersion -}} +{{- print "apps/v1beta1" -}} +{{- else -}} +{{- print "apps/v1" -}} +{{- end -}} +{{- end -}} + +{{/* +Return the appropriate apiVersion for ingress. +*/}} +{{- define "common.capabilities.ingress.apiVersion" -}} +{{- if semverCompare "<1.14-0" .Capabilities.KubeVersion.GitVersion -}} +{{- print "extensions/v1beta1" -}} +{{- else -}} +{{- print "networking.k8s.io/v1beta1" -}} +{{- end -}} +{{- end -}} diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_errors.tpl b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_errors.tpl new file mode 100644 index 00000000..d6d3ec65 --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_errors.tpl @@ -0,0 +1,20 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Through error when upgrading using empty passwords values that must not be empty. + +Usage: +{{- $validationError00 := include "common.validations.values.single.empty" (dict "valueKey" "path.to.password00" "secret" "secretName" "field" "password-00") -}} +{{- $validationError01 := include "common.validations.values.single.empty" (dict "valueKey" "path.to.password01" "secret" "secretName" "field" "password-01") -}} +{{ include "common.errors.upgrade.passwords.empty" (dict "validationErrors" (list $validationError00 $validationError01) "context" $) }} + +Required password params: + - validationErrors - String - Required. List of validation strings to be return, if it is empty it won't throw error. + - context - Context - Required. Parent context. +*/}} +{{- define "common.errors.upgrade.passwords.empty" -}} + {{- $validationErrors := join "" .validationErrors -}} + {{- if and $validationErrors .context.Release.IsUpgrade -}} + {{- $errorString := "\nPASSWORDS ERROR: you must provide your current passwords when upgrade the release%s" -}} + {{- printf $errorString $validationErrors | fail -}} + {{- end -}} +{{- end -}} diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_images.tpl b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_images.tpl new file mode 100644 index 00000000..aafde9f3 --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_images.tpl @@ -0,0 +1,43 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Return the proper image name +{{ include "common.images.image" ( dict "imageRoot" .Values.path.to.the.image "global" $) }} +*/}} +{{- define "common.images.image" -}} +{{- $registryName := .imageRoot.registry -}} +{{- $repositoryName := .imageRoot.repository -}} +{{- $tag := .imageRoot.tag | toString -}} +{{- if .global }} + {{- if .global.imageRegistry }} + {{- $registryName = .global.imageRegistry -}} + {{- end -}} +{{- end -}} +{{- printf "%s/%s:%s" $registryName $repositoryName $tag -}} +{{- end -}} + +{{/* +Return the proper Docker Image Registry Secret Names +{{ include "common.images.pullSecrets" ( dict "images" (list .Values.path.to.the.image1, .Values.path.to.the.image2) "global" .Values.global) }} +*/}} +{{- define "common.images.pullSecrets" -}} + {{- $pullSecrets := list }} + + {{- if .global }} + {{- range .global.imagePullSecrets -}} + {{- $pullSecrets = append $pullSecrets . -}} + {{- end -}} + {{- end -}} + + {{- range .images -}} + {{- range .pullSecrets -}} + {{- $pullSecrets = append $pullSecrets . -}} + {{- end -}} + {{- end -}} + + {{- if (not (empty $pullSecrets)) }} +imagePullSecrets: + {{- range $pullSecrets }} + - name: {{ . }} + {{- end }} + {{- end }} +{{- end -}} diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_labels.tpl b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_labels.tpl new file mode 100644 index 00000000..252066c7 --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_labels.tpl @@ -0,0 +1,18 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Kubernetes standard labels +*/}} +{{- define "common.labels.standard" -}} +app.kubernetes.io/name: {{ include "common.names.name" . }} +helm.sh/chart: {{ include "common.names.chart" . }} +app.kubernetes.io/instance: {{ .Release.Name }} +app.kubernetes.io/managed-by: {{ .Release.Service }} +{{- end -}} + +{{/* +Labels to use on deploy.spec.selector.matchLabels and svc.spec.selector +*/}} +{{- define "common.labels.matchLabels" -}} +app.kubernetes.io/name: {{ include "common.names.name" . }} +app.kubernetes.io/instance: {{ .Release.Name }} +{{- end -}} diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_names.tpl b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_names.tpl new file mode 100644 index 00000000..adf2a74f --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_names.tpl @@ -0,0 +1,32 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Expand the name of the chart. +*/}} +{{- define "common.names.name" -}} +{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}} +{{- end -}} + +{{/* +Create chart name and version as used by the chart label. +*/}} +{{- define "common.names.chart" -}} +{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | 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 "common.names.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 -}} diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_secrets.tpl b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_secrets.tpl new file mode 100644 index 00000000..ebfb5d42 --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_secrets.tpl @@ -0,0 +1,57 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Generate secret name. + +Usage: +{{ include "common.secrets.name" (dict "existingSecret" .Values.path.to.the.existingSecret "defaultNameSuffix" "mySuffix" "context" $) }} + +Params: + - existingSecret - ExistingSecret/String - Optional. The path to the existing secrets in the values.yaml given by the user + to be used instead of the default one. Allows for it to be of type String (just the secret name) for backwards compatibility. + +info: https://github.com/bitnami/charts/tree/master/bitnami/common#existingsecret + - defaultNameSuffix - String - Optional. It is used only if we have several secrets in the same deployment. + - context - Dict - Required. The context for the template evaluation. +*/}} +{{- define "common.secrets.name" -}} +{{- $name := (include "common.names.fullname" .context) -}} + +{{- if .defaultNameSuffix -}} +{{- $name = printf "%s-%s" $name .defaultNameSuffix | trunc 63 | trimSuffix "-" -}} +{{- end -}} + +{{- with .existingSecret -}} +{{- if not (typeIs "string" .) -}} +{{- $name = .name -}} +{{- else -}} +{{- $name = . -}} +{{- end -}} +{{- end -}} + +{{- printf "%s" $name -}} +{{- end -}} + +{{/* +Generate secret key. + +Usage: +{{ include "common.secrets.key" (dict "existingSecret" .Values.path.to.the.existingSecret "key" "keyName") }} + +Params: + - existingSecret - ExistingSecret/String - Optional. The path to the existing secrets in the values.yaml given by the user + to be used instead of the default one. Allows for it to be of type String (just the secret name) for backwards compatibility. + +info: https://github.com/bitnami/charts/tree/master/bitnami/common#existingsecret + - key - String - Required. Name of the key in the secret. +*/}} +{{- define "common.secrets.key" -}} +{{- $key := .key -}} + +{{- if .existingSecret -}} + {{- if not (typeIs "string" .existingSecret) -}} + {{- if .existingSecret.keyMapping -}} + {{- $key = index .existingSecret.keyMapping $.key -}} + {{- end -}} + {{- end }} +{{- end -}} + +{{- printf "%s" $key -}} +{{- end -}} diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_storage.tpl b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_storage.tpl new file mode 100644 index 00000000..60e2a844 --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_storage.tpl @@ -0,0 +1,23 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Return the proper Storage Class +{{ include "common.storage.class" ( dict "persistence" .Values.path.to.the.persistence "global" $) }} +*/}} +{{- define "common.storage.class" -}} + +{{- $storageClass := .persistence.storageClass -}} +{{- if .global -}} + {{- if .global.storageClass -}} + {{- $storageClass = .global.storageClass -}} + {{- end -}} +{{- end -}} + +{{- if $storageClass -}} + {{- if (eq "-" $storageClass) -}} + {{- printf "storageClassName: \"\"" -}} + {{- else }} + {{- printf "storageClassName: %s" $storageClass -}} + {{- end -}} +{{- end -}} + +{{- end -}} diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_tplvalues.tpl b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_tplvalues.tpl new file mode 100644 index 00000000..2db16685 --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_tplvalues.tpl @@ -0,0 +1,13 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Renders a value that contains template. +Usage: +{{ include "common.tplvalues.render" ( dict "value" .Values.path.to.the.Value "context" $) }} +*/}} +{{- define "common.tplvalues.render" -}} + {{- if typeIs "string" .value }} + {{- tpl .value .context }} + {{- else }} + {{- tpl (.value | toYaml) .context }} + {{- end }} +{{- end -}} diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_utils.tpl b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_utils.tpl new file mode 100644 index 00000000..74774a3c --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_utils.tpl @@ -0,0 +1,45 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Print instructions to get a secret value. +Usage: +{{ include "common.utils.secret.getvalue" (dict "secret" "secret-name" "field" "secret-value-field" "context" $) }} +*/}} +{{- define "common.utils.secret.getvalue" -}} +{{- $varname := include "common.utils.fieldToEnvVar" . -}} +export {{ $varname }}=$(kubectl get secret --namespace {{ .context.Release.Namespace }} {{ .secret }} -o jsonpath="{.data.{{ .field }}}" | base64 --decode) +{{- end -}} + +{{/* +Build env var name given a field +Usage: +{{ include "common.utils.fieldToEnvVar" dict "field" "my-password" }} +*/}} +{{- define "common.utils.fieldToEnvVar" -}} + {{- $fieldNameSplit := splitList "-" .field -}} + {{- $upperCaseFieldNameSplit := list -}} + + {{- range $fieldNameSplit -}} + {{- $upperCaseFieldNameSplit = append $upperCaseFieldNameSplit ( upper . ) -}} + {{- end -}} + + {{ join "_" $upperCaseFieldNameSplit }} +{{- end -}} + +{{/* +Gets a value from .Values given +Usage: +{{ include "common.utils.getValueFromKey" (dict "key" "path.to.key" "context" $) }} +*/}} +{{- define "common.utils.getValueFromKey" -}} +{{- $splitKey := splitList "." .key -}} +{{- $value := "" -}} +{{- $latestObj := $.context.Values -}} +{{- range $splitKey -}} + {{- if not $latestObj -}} + {{- printf "please review the entire path of '%s' exists in values" $.key | fail -}} + {{- end -}} + {{- $value = ( index $latestObj . ) -}} + {{- $latestObj = $value -}} +{{- end -}} +{{- printf "%v" (default "" $value) -}} +{{- end -}} diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_validations.tpl b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_validations.tpl new file mode 100644 index 00000000..05d1edba --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_validations.tpl @@ -0,0 +1,278 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Validate values must not be empty. + +Usage: +{{- $validateValueConf00 := (dict "valueKey" "path.to.value" "secret" "secretName" "field" "password-00") -}} +{{- $validateValueConf01 := (dict "valueKey" "path.to.value" "secret" "secretName" "field" "password-01") -}} +{{ include "common.validations.values.empty" (dict "required" (list $validateValueConf00 $validateValueConf01) "context" $) }} + +Validate value params: + - valueKey - String - Required. The path to the validating value in the values.yaml, e.g: "mysql.password" + - secret - String - Optional. Name of the secret where the validating value is generated/stored, e.g: "mysql-passwords-secret" + - field - String - Optional. Name of the field in the secret data, e.g: "mysql-password" +*/}} +{{- define "common.validations.values.multiple.empty" -}} + {{- range .required -}} + {{- include "common.validations.values.single.empty" (dict "valueKey" .valueKey "secret" .secret "field" .field "context" $.context) -}} + {{- end -}} +{{- end -}} + +{{/* +Validate a value must not be empty. + +Usage: +{{ include "common.validations.value.empty" (dict "valueKey" "mariadb.password" "secret" "secretName" "field" "my-password" "context" $) }} + +Validate value params: + - valueKey - String - Required. The path to the validating value in the values.yaml, e.g: "mysql.password" + - secret - String - Optional. Name of the secret where the validating value is generated/stored, e.g: "mysql-passwords-secret" + - field - String - Optional. Name of the field in the secret data, e.g: "mysql-password" +*/}} +{{- define "common.validations.values.single.empty" -}} + {{- $value := include "common.utils.getValueFromKey" (dict "key" .valueKey "context" .context) }} + + {{- if not $value -}} + {{- $varname := "my-value" -}} + {{- $getCurrentValue := "" -}} + {{- if and .secret .field -}} + {{- $varname = include "common.utils.fieldToEnvVar" . -}} + {{- $getCurrentValue = printf " To get the current value:\n\n %s\n" (include "common.utils.secret.getvalue" .) -}} + {{- end -}} + {{- printf "\n '%s' must not be empty, please add '--set %s=$%s' to the command.%s" .valueKey .valueKey $varname $getCurrentValue -}} + {{- end -}} +{{- end -}} + +{{/* +Validate MariaDB required passwords are not empty. + +Usage: +{{ include "common.validations.values.mariadb.passwords" (dict "secret" "secretName" "subchart" false "context" $) }} +Params: + - secret - String - Required. Name of the secret where MariaDB values are stored, e.g: "mysql-passwords-secret" + - subchart - Boolean - Optional. Whether MariaDB is used as subchart or not. Default: false +*/}} +{{- define "common.validations.values.mariadb.passwords" -}} + {{- $existingSecret := include "common.mariadb.values.existingSecret" . -}} + {{- $enabled := include "common.mariadb.values.enabled" . -}} + {{- $architecture := include "common.mariadb.values.architecture" . -}} + {{- $authPrefix := include "common.mariadb.values.key.auth" . -}} + {{- $valueKeyRootPassword := printf "%s.rootPassword" $authPrefix -}} + {{- $valueKeyUsername := printf "%s.username" $authPrefix -}} + {{- $valueKeyPassword := printf "%s.password" $authPrefix -}} + {{- $valueKeyReplicationPassword := printf "%s.replicationPassword" $authPrefix -}} + + {{- if and (not $existingSecret) (eq $enabled "true") -}} + {{- $requiredPasswords := list -}} + + {{- $requiredRootPassword := dict "valueKey" $valueKeyRootPassword "secret" .secret "field" "mariadb-root-password" -}} + {{- $requiredPasswords = append $requiredPasswords $requiredRootPassword -}} + + {{- $valueUsername := include "common.utils.getValueFromKey" (dict "key" $valueKeyUsername "context" .context) }} + {{- if not (empty $valueUsername) -}} + {{- $requiredPassword := dict "valueKey" $valueKeyPassword "secret" .secret "field" "mariadb-password" -}} + {{- $requiredPasswords = append $requiredPasswords $requiredPassword -}} + {{- end -}} + + {{- if (eq $architecture "replication") -}} + {{- $requiredReplicationPassword := dict "valueKey" $valueKeyReplicationPassword "secret" .secret "field" "mariadb-replication-password" -}} + {{- $requiredPasswords = append $requiredPasswords $requiredReplicationPassword -}} + {{- end -}} + + {{- include "common.validations.values.multiple.empty" (dict "required" $requiredPasswords "context" .context) -}} + + {{- end -}} +{{- end -}} + +{{/* +Auxiliar function to get the right value for existingSecret. + +Usage: +{{ include "common.mariadb.values.existingSecret" (dict "context" $) }} +Params: + - subchart - Boolean - Optional. Whether MariaDB is used as subchart or not. Default: false +*/}} +{{- define "common.mariadb.values.existingSecret" -}} + {{- if .subchart -}} + {{- .context.Values.mariadb.existingSecret | quote -}} + {{- else -}} + {{- .context.Values.existingSecret | quote -}} + {{- end -}} +{{- end -}} + +{{/* +Auxiliar function to get the right value for enabled mariadb. + +Usage: +{{ include "common.mariadb.values.enabled" (dict "context" $) }} +*/}} +{{- define "common.mariadb.values.enabled" -}} + {{- if .subchart -}} + {{- printf "%v" .context.Values.mariadb.enabled -}} + {{- else -}} + {{- printf "%v" (not .context.Values.enabled) -}} + {{- end -}} +{{- end -}} + +{{/* +Auxiliar function to get the right value for architecture + +Usage: +{{ include "common.mariadb.values.architecture" (dict "subchart" "true" "context" $) }} +Params: + - subchart - Boolean - Optional. Whether MariaDB is used as subchart or not. Default: false +*/}} +{{- define "common.mariadb.values.architecture" -}} + {{- if .subchart -}} + {{- .context.Values.mariadb.architecture -}} + {{- else -}} + {{- .context.Values.architecture -}} + {{- end -}} +{{- end -}} + +{{/* +Auxiliar function to get the right value for the key auth + +Usage: +{{ include "common.mariadb.values.key.auth" (dict "subchart" "true" "context" $) }} +Params: + - subchart - Boolean - Optional. Whether MariaDB is used as subchart or not. Default: false +*/}} +{{- define "common.mariadb.values.key.auth" -}} + {{- if .subchart -}} + mariadb.auth + {{- else -}} + auth + {{- end -}} +{{- end -}} + +{{/* +Validate PostgreSQL required passwords are not empty. + +Usage: +{{ include "common.validations.values.postgresql.passwords" (dict "secret" "secretName" "subchart" false "context" $) }} +Params: + - secret - String - Required. Name of the secret where postgresql values are stored, e.g: "mysql-passwords-secret" + - subchart - Boolean - Optional. Whether postgresql is used as subchart or not. Default: false +*/}} +{{- define "common.validations.values.postgresql.passwords" -}} + {{- $existingSecret := include "common.postgresql.values.existingSecret" . -}} + {{- $enabled := include "common.postgresql.values.enabled" . -}} + {{- $valueKeyPostgresqlPassword := include "common.postgresql.values.key.postgressPassword" . -}} + {{- $enabledReplication := include "common.postgresql.values.enabled.replication" . -}} + {{- $valueKeyPostgresqlReplicationEnabled := include "common.postgresql.values.key.replicationPassword" . -}} + + {{- if and (not $existingSecret) (eq $enabled "true") -}} + {{- $requiredPasswords := list -}} + + {{- $requiredPostgresqlPassword := dict "valueKey" $valueKeyPostgresqlPassword "secret" .secret "field" "postgresql-password" -}} + {{- $requiredPasswords = append $requiredPasswords $requiredPostgresqlPassword -}} + + {{- if (eq $enabledReplication "true") -}} + {{- $requiredPostgresqlReplicationPassword := dict "valueKey" $valueKeyPostgresqlReplicationEnabled "secret" .secret "field" "postgresql-replication-password" -}} + {{- $requiredPasswords = append $requiredPasswords $requiredPostgresqlReplicationPassword -}} + {{- end -}} + + {{- include "common.validations.values.multiple.empty" (dict "required" $requiredPasswords "context" .context) -}} + {{- end -}} +{{- end -}} + +{{/* +Auxiliar function to decide whether evaluate global values. + +Usage: +{{ include "common.postgresql.values.use.global" (dict "key" "key-of-global" "context" $) }} +Params: + - key - String - Required. Field to be evaluated within global, e.g: "existingSecret" +*/}} +{{- define "common.postgresql.values.use.global" -}} + {{- if .context.Values.global -}} + {{- if .context.Values.global.postgresql -}} + {{- index .context.Values.global.postgresql .key | quote -}} + {{- end -}} + {{- end -}} +{{- end -}} + +{{/* +Auxiliar function to get the right value for existingSecret. + +Usage: +{{ include "common.postgresql.values.existingSecret" (dict "context" $) }} +*/}} +{{- define "common.postgresql.values.existingSecret" -}} + {{- $globalValue := include "common.postgresql.values.use.global" (dict "key" "existingSecret" "context" .context) -}} + + {{- if .subchart -}} + {{- default (.context.Values.postgresql.existingSecret | quote) $globalValue -}} + {{- else -}} + {{- default (.context.Values.existingSecret | quote) $globalValue -}} + {{- end -}} +{{- end -}} + +{{/* +Auxiliar function to get the right value for enabled postgresql. + +Usage: +{{ include "common.postgresql.values.enabled" (dict "context" $) }} +*/}} +{{- define "common.postgresql.values.enabled" -}} + {{- if .subchart -}} + {{- printf "%v" .context.Values.postgresql.enabled -}} + {{- else -}} + {{- printf "%v" (not .context.Values.enabled) -}} + {{- end -}} +{{- end -}} + +{{/* +Auxiliar function to get the right value for the key postgressPassword. + +Usage: +{{ include "common.postgresql.values.key.postgressPassword" (dict "subchart" "true" "context" $) }} +Params: + - subchart - Boolean - Optional. Whether postgresql is used as subchart or not. Default: false +*/}} +{{- define "common.postgresql.values.key.postgressPassword" -}} + {{- $globalValue := include "common.postgresql.values.use.global" (dict "key" "postgresqlUsername" "context" .context) -}} + + {{- if not $globalValue -}} + {{- if .subchart -}} + postgresql.postgresqlPassword + {{- else -}} + postgresqlPassword + {{- end -}} + {{- else -}} + global.postgresql.postgresqlPassword + {{- end -}} +{{- end -}} + +{{/* +Auxiliar function to get the right value for enabled.replication. + +Usage: +{{ include "common.postgresql.values.enabled.replication" (dict "subchart" "true" "context" $) }} +Params: + - subchart - Boolean - Optional. Whether postgresql is used as subchart or not. Default: false +*/}} +{{- define "common.postgresql.values.enabled.replication" -}} + {{- if .subchart -}} + {{- printf "%v" .context.Values.postgresql.replication.enabled -}} + {{- else -}} + {{- printf "%v" .context.Values.replication.enabled -}} + {{- end -}} +{{- end -}} + +{{/* +Auxiliar function to get the right value for the key replication.password. + +Usage: +{{ include "common.postgresql.values.key.replicationPassword" (dict "subchart" "true" "context" $) }} +Params: + - subchart - Boolean - Optional. Whether postgresql is used as subchart or not. Default: false +*/}} +{{- define "common.postgresql.values.key.replicationPassword" -}} + {{- if .subchart -}} + postgresql.replication.password + {{- else -}} + replication.password + {{- end -}} +{{- end -}} diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_warnings.tpl b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_warnings.tpl new file mode 100644 index 00000000..ae10fa41 --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/templates/_warnings.tpl @@ -0,0 +1,14 @@ +{{/* vim: set filetype=mustache: */}} +{{/* +Warning about using rolling tag. +Usage: +{{ include "common.warnings.rollingTag" .Values.path.to.the.imageRoot }} +*/}} +{{- define "common.warnings.rollingTag" -}} + +{{- if and (contains "bitnami/" .repository) (not (.tag | toString | regexFind "-r\\d+$|sha256:")) }} +WARNING: Rolling tag detected ({{ .repository }}:{{ .tag }}), please note that it is strongly recommended to avoid using rolling tags in a production environment. ++info https://docs.bitnami.com/containers/how-to/understand-rolling-tags-containers/ +{{- end }} + +{{- end -}} diff --git a/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/values.yaml b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/values.yaml new file mode 100644 index 00000000..9ecdc93f --- /dev/null +++ b/tutorials/ApacheCNF/templates/cba/Templates/k8s-configs/deployment-config/charts/common/values.yaml @@ -0,0 +1,3 @@ +## bitnami/common +## It is required by CI/CD tools and processes. +exampleValue: common-chart |