diff options
Diffstat (limited to 'kubernetes/common')
| -rw-r--r-- | kubernetes/common/common/documentation.rst | 549 | ||||
| -rw-r--r-- | kubernetes/common/common/templates/_pod.tpl | 11 | ||||
| -rw-r--r-- | kubernetes/common/common/templates/_service.tpl | 167 | ||||
| -rw-r--r-- | kubernetes/common/common/templates/_serviceMesh.tpl | 27 |
4 files changed, 728 insertions, 26 deletions
diff --git a/kubernetes/common/common/documentation.rst b/kubernetes/common/common/documentation.rst new file mode 100644 index 0000000000..e6cf948d79 --- /dev/null +++ b/kubernetes/common/common/documentation.rst @@ -0,0 +1,549 @@ +.. This work is licensed under a Creative Commons Attribution 4.0 International +.. License. +.. http://creativecommons.org/licenses/by/4.0 +.. Copyright 2020 Orange. All rights reserved. + +.. _developer-guide-label: + + +Current given templating functions +================================== + + +In order to have a consistent deployments of ONAP components, several templating +functions are proposed in `kubernets/common/common/templates` folder. +This file list them and gives examples for the most used. +All these templating functions have a description in their own file, here we +only give an overview. + +* conditional functions + + +----------------------------------------------------+-----------------------+ + | Function | File | + +----------------------------------------------------+-----------------------+ + | `common.needPV` | `_storage.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.onServiceMesh` | `_serviceMesh.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.common.needTLS` | `_service.tpl` | + +----------------------------------------------------+-----------------------+ + +* template generation functions + + +----------------------------------------------------+-----------------------+ + | Function | File | + +----------------------------------------------------+-----------------------+ + | `common.masterPassword` | `_createPassword.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.createPassword` | `_createPassword.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.secret.genName` | `_secret.yaml` | + +----------------------------------------------------+-----------------------+ + | `common.secret.getSecretName` | `_secret.yaml` | + +----------------------------------------------------+-----------------------+ + | `common.secret.envFromSecret` | `_secret.yaml` | + +----------------------------------------------------+-----------------------+ + | `common.secret` | `_secret.yaml` | + +----------------------------------------------------+-----------------------+ + | `ingress.config.port` | `_ingress.tpl` | + +----------------------------------------------------+-----------------------+ + | `ingress.config.annotations.ssl` | `_ingress.tpl` | + +----------------------------------------------------+-----------------------+ + | `ingress.config.annotations` | `_ingress.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.ingress` | `_ingress.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.labels` | `_labels.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.matchLabels` | `_labels.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.resourceMetadata` | `_labels.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.templateMetadata` | `_labels.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.selectors` | `_labels.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.name` | `_name.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.fullname` | `_name.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.fullnameExplicit` | `_name.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.release` | `_name.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.chart` | `_name.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.namespace` | `_namespace.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.repository` | `_repository.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.repository.secret` | `_repository.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.flavor` | `_resources.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.resources` | `_resources.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.storageClass` | `_storage.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.replicaPV` | `_storage.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.servicename` | `_service.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.serviceMetadata` | `_service.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.servicePorts` | `_service.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.genericService` | `_service.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.service` | `_service.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.headlessService` | `_service.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.mariadb.secret.rootPassUID` | `_mariadb.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.mariadb.secret.rootPassSecretName` | `_mariadb.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.mariadb.secret.userCredentialsUID` | `_mariadb.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.mariadb.secret.userCredentialsSecretName` | `_mariadb.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.mariadbService` | `_mariadb.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.mariadbPort` | `_mariadb.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.mariadbSecret` | `_mariadb.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.mariadbSecretParam` | `_mariadb.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.postgres.secret.rootPassUID` | `_postgres.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.postgres.secret.rootPassSecretName` | `_postgres.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.postgres.secret.userCredentialsUID` | `_postgres.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.postgres.secret.userCredentialsSecretName` | `_postgres.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.postgres.secret.primaryPasswordUID` | `_postgres.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.postgres.secret.primaryPasswordSecretName` | `_postgres.tpl` | + +----------------------------------------------------+-----------------------+ + | `common.tplValue` | `_tplValue.tpl` | + +----------------------------------------------------+-----------------------+ + + +Passwords +--------- + +These functions are defined in +`kubernetes/common/common/templates/_createPassword.tpl`. + +* `common.masterPassword`: Resolve the master password to be used to derive + other passwords. +* `common.createPassword`: Generate a new password based on masterPassword. + +Secrets +------- + +These functions are defined in +`kubernetes/common/common/templates/_secret.yaml`. + +* `common.secret.genName`: Generate a secret name based on provided name or UID. +* `common.secret.getSecretName`: Get the real secret name by UID or name, based + on the configuration provided by user. +* `common.secret.envFromSecret`: Convenience template which can be used to + easily set the value of environment variable to the value of a key in a + secret. +* `common.secret`: Define secrets to be used by chart. + +The most widely use templates is the last (`common.secret`). +It should be the only (except license part) line of your secret file: + +.. code-block:: yaml + + {{ include "common.secret" . }} + +In order to have the right values set, you need to create the right +configuration in `values.yaml` (example taken from mariadb configuration): + +.. code-block:: yaml + + secrets: + - uid: 'db-root-password' + type: password + externalSecret: '{{ tpl (default "" .Values.config.db.rootPasswordExternalSecret) . }}' + password: '{{ .Values.config.dbRootPassword }}' + - uid: 'db-user-creds' + type: basicAuth + externalSecret: '{{ tpl (default "" .Values.config.db.userCredentialsExternalSecret) . }}' + login: '{{ .Values.config.db.userName }}' + password: '{{ .Values.config.dbSdnctlPassword }}' + +Ingress +------- + +These functions are defined in +`kubernetes/common/common/templates/_ingress.tpl`. + +* `ingress.config.port`: generate the port path on an Ingress resource. +* `ingress.config.annotations.ssl`: generate the ssl annotations of an Ingress + resource. +* `ingress.config.annotations`: generate the annotations of an Ingress resource. +* `common.ingress`: generate an Ingress resource (if needed). + +The most widely use templates is the last (`common.ingress`) . + +It should be the only (except license part) line of your ingress file: + +.. code-block:: yaml + + {{ include "common.ingress" . }} + +In order to have the right values set, you need to create the right +configuration in `values.yaml` (example taken from clamp configuration): + +.. code-block:: yaml + + ingress: + enabled: false + service: + - baseaddr: "clamp" + name: "clamp" + port: 443 + config: + ssl: "redirect" + +Labels +------ + +These functions are defined in `kubernetes/common/common/templates/_labels.tpl`. + +The goal of these functions is to always create the right labels for all the +resource in a consistent way. + +* `common.labels`: generate the common labels for a resource +* `common.matchLabels`: generate the labels to match (to be used in conjunction + with `common.labels` or `common.resourceMetadata`) +* `common.resourceMetadata`: generate the "top" metadatas for a resource + (Deployment, StatefulSet, Service, ConfigMap, ...) +* `common.templateMetadata`: generate the metadata put in the template part + (for example `spec.template.metadata` for a Deployment) +* `common.selectors`: generate the right selectors for Service / Deployment / + StatefulSet, ... (to be used in conjunction with `common.labels` or + `common.resourceMetadata`) + + +Here's an example of use of these functions in a Deployment template (example +taken on nbi): + +.. code-block:: yaml + + apiVersion: apps/v1 + kind: Deployment + metadata: {{- include "common.resourceMetadata" . | nindent 2 }} + spec: + selector: {{- include "common.selectors" . | nindent 4 }} + replicas: {{ .Values.replicaCount }} + template: + metadata: {{- include "common.templateMetadata" . | nindent 6 }} + spec: + ... + +Name +---- + +These functions are defined in `kubernetes/common/common/templates/_name.tpl`. + +The goal of these functions is to always name the resource the same way. + +* `common.name`: Generate the name for a chart. +* `common.fullname`: Create a default fully qualified application name. +* `common.fullnameExplicit`: The same as common.full name but based on passed + dictionary instead of trying to figure out chart name on its own. +* `common.release`: Retrieve the "original" release from the component release. +* `common.chart`: Generate the chart name + +Here's an example of use of these functions in a Deployment template (example +taken on mariadb-galera): + +.. code-block:: yaml + + apiVersion: apps/v1beta1 + kind: StatefulSet + ... + spec: + serviceName: {{ .Values.service.name }} + replicas: {{ .Values.replicaCount }} + template: + ... + spec: + {{- if .Values.nodeSelector }} + nodeSelector: + {{ toYaml .Values.nodeSelector | indent 8 }} + {{- end }} + volumes: + {{- if .Values.externalConfig }} + - name: config + configMap: + name: {{ include "common.fullname" . }}-external-config + {{- end}} + ... + containers: + - name: {{ include "common.name" . }} + image: "{{ include "common.repository" . }}/{{ .Values.image }}" + ... + +Namespace +--------- + +These functions are defined in +`kubernetes/common/common/templates/_namespace.tpl`. + +The goal of these functions is to always retrieve the namespace the same way. + +* `common.namespace`: Generate the namespace for a chart. Shouldn't be used + directly but use `common.resourceMetadata` (which uses it). + + +Repository +---------- + +These functions are defined in +`kubernetes/common/common/templates/_repository.tpl`. + +The goal of these functions is to generate image name the same way. + +* `common.repository`: Resolve the name of the common image repository. +* `common.repository.secret`: Resolve the image repository secret token. + + +Resources +--------- + +These functions are defined in +`kubernetes/common/common/templates/_resources.tpl`. + +The goal of these functions is to generate resources for pods the same way. + +* `common.flavor`: Resolve the name of the common resource limit/request flavor. + Shouldn't be used alone. +* `common.resources`: Resolve the resource limit/request flavor using the + desired flavor value. + + +Storage +------- + +These functions are defined in +`kubernetes/common/common/templates/_storage.tpl`. + +The goal of these functions is to generate storage part of Deployment / +Statefulset and storage resource (PV, PVC, ...) in a consistent way. + +* `common.storageClass`: Expand the name of the storage class. +* `common.needPV`: Calculate if we need a PV. If a storageClass is provided, + then we don't need. +* `common.replicaPV`: Generate N PV for a statefulset + + +Pod +--- + +These functions are defined in `kubernetes/common/common/templates/_pod.tpl`. + +* `common.containerPorts`: generate the port list for containers. See Service + part to know how to declare the port list. + +Here's an example of use of these functions in a Deployment template (example +taken on nbi): + +.. code-block:: yaml + + apiVersion: apps/v1 + kind: Deployment + ... + spec: + ... + template: + ... + spec: + containers: + - name: {{ include "common.name" . }} + ports: {{- include "common.containerPorts" . | nindent 8 } + + +Service +------- + +These functions are defined in +`kubernetes/common/common/templates/_service.tpl`. + +The goal of these functions is to generate services in a consistent way. + +* `common.servicename`: Expand the service name for a chart. +* `common.serviceMetadata`: Define the metadata of Service. Shouldn't be used + directly but used through `common.service` or `common.headlessService`. +* `common.servicePorts`: Define the ports of Service. Shouldn't be used directly + but used through `common.service` or `common.headlessService`. +* `common.genericService`: Template for creating any Service. Shouldn't be used + directly but used through `common.service` or `common.headlessService`. May be + used if you want to create a Service with some specificities (on the ports for + example). +* `common.needTLS`: Calculate if we need to use TLS ports on services +* `common.service`: Create service template. +* `common.headlessService`: Create headless service template + + +The most widely used templates are the two last (`common.service` and +`common.headlessService`). +It should use with only one (except license part) line of your service (or +service-headless) file: + +.. code-block:: yaml + + {{ include "common.service" . }} + +In order to have the right values set, you need to create the right +configuration in `values.yaml` (example taken from nbi configuration + other +part): + +.. code-block:: yaml + + service: + type: NodePort + name: nbi + annotations: + my: super-annotation + ports: + - name: api + port: 8443 + plain_port: 8080 + port_protocol: http + nodePort: 74 + - name: tcp-raw + port: 8459 + nodePort: 89 + + +would generate: + +.. code-block:: yaml + + apiVersion: v1 + kind: Service + metadata: + annotations: + my: super-annotation + name: nbi + namespace: default + labels: + app.kubernetes.io/name: nbi + helm.sh/chart: nbi-5.0.0 + app.kubernetes.io/instance: release + app.kubernetes.io/managed-by: Tiller + spec: + ports: + - port: 8443 + targetPort: api + name: https-api + nodePort: 30274 + - port: 8459 + targetPort: tcp-raw + name: tcp-raw + nodePort: 30289 + type: NodePort + selector: + app.kubernetes.io/name: nbi + app.kubernetes.io/instance: release + + +`plain_port` is used only if we mandate to use http (see ServiceMesh part). +Today a port can be http or https but not both. +headless configuration is equivalent (example taken from cassandra): + +.. code-block:: yaml + + service: + name: cassandra + headless: + suffix: "" + annotations: + service.alpha.kubernetes.io/tolerate-unready-endpoints: "true" + publishNotReadyAddresses: true + headlessPorts: + - name: tcp-intra + port: 7000 + - name: tls + port: 7001 + - name: tcp-jmx + port: 7199 + - name: tcp-cql + port: 9042 + - name: tcp-thrift + port: 9160 + - name: tcp-agent + port: 61621 + + +ServiceMesh +----------- + +These functions are defined in +`kubernetes/common/common/templates/_serviceMesh.tpl`. + +The goal of these functions is to handle onboarding of ONAP on service mesh. + +* `common.onServiceMesh`: Calculate if we if we are on service mesh + + + +MariaDB +------- + +These functions are defined in +`kubernetes/common/common/templates/_mariadb.tpl`. + +The goal of these functions is to simplify use of mariadb and its different +values. + +* `common.mariadb.secret.rootPassUID`: UID of mariadb root password +* `common.mariadb.secret.rootPassSecretName`: Name of mariadb root password + secret +* `common.mariadb.secret.userCredentialsUID`: UID of mariadb user credentials +* `common.mariadb.secret.userCredentialsSecretName`: Name of mariadb user + credentials secret +* `common.mariadbService`: Choose the name of the mariadb service to use +* `common.mariadbPort`: Choose the value of mariadb port to use +* `common.mariadbSecret`: Choose the value of secret to retrieve user value +* `common.mariadbSecretParam`: Choose the value of secret param to retrieve user + value + +PostgreSQL +---------- + +These functions are defined in +`kubernetes/common/common/templates/_postgres.tpl`. + +The goal of these functions is to simplify use of postgres and its different +values. + +* `common.postgres.secret.rootPassUID`: UID of postgres root password +* `common.postgres.secret.rootPassSecretName`: Name of postgres root password + secret +* `common.postgres.secret.userCredentialsUID`: UID of postgres user credentials +* `common.postgres.secret.userCredentialsSecretName`: Name of postgres user + credentials secret +* `common.postgres.secret.primaryPasswordUID`: UID of postgres primary password +* `common.postgres.secret.primaryPasswordSecretName`: Name of postgres primary + credentials secret + + +Utilities +--------- + +These functions are defined in +`kubernetes/common/common/templates/_tplValue.tpl`. + +The goal of these functions is provide utility function, usually used in other +templating functions. + +* `common.tplValue`: Renders a value that contains template. diff --git a/kubernetes/common/common/templates/_pod.tpl b/kubernetes/common/common/templates/_pod.tpl index 9329572a92..d3fc25ad6e 100644 --- a/kubernetes/common/common/templates/_pod.tpl +++ b/kubernetes/common/common/templates/_pod.tpl @@ -19,10 +19,12 @@ Will use first ".Values.service.ports" list. Will append ports from ".Values.service.headlessPorts" only if port number is not already in port list. + Will add tls port AND plain port if both_tls_and_plain is set to true */}} {{- define "common.containerPorts" -}} {{- $ports := default (list) .Values.service.ports }} {{- $portsNumber := list }} +{{- $both_tls_and_plain:= default false .Values.service.both_tls_and_plain }} {{- range $index, $port := $ports }} {{- $portsNumber = append $portsNumber $port.port }} {{- end }} @@ -31,8 +33,17 @@ {{- $ports = append $ports $port }} {{- end }} {{- end }} +{{- $global := . }} {{- range $index, $port := $ports }} +{{- if (include "common.needTLS" $global) }} - containerPort: {{ $port.port }} +{{- else }} +- containerPort: {{ default $port.port $port.plain_port }} +{{- end }} name: {{ $port.name }} +{{- if (and $port.plain_port (and (include "common.needTLS" $global) $both_tls_and_plain)) }} +- containerPort: {{ $port.plain_port }} + name: {{ $port.name }}-plain +{{- end }} {{- end }} {{- end -}} diff --git a/kubernetes/common/common/templates/_service.tpl b/kubernetes/common/common/templates/_service.tpl index 55f73c1635..cd1595b0ca 100644 --- a/kubernetes/common/common/templates/_service.tpl +++ b/kubernetes/common/common/templates/_service.tpl @@ -35,6 +35,7 @@ - .dot : environment (.) - .suffix : a string which will be added at the end of the name (with a '-'). - .annotations: the annotations to add + - .msb_informations: msb information in order to create msb annotation Usage example: {{ include "common.serviceMetadata" ( dict "suffix" "myService" "dot" .) }} {{ include "common.serviceMetadata" ( dict "annotations" .Values.service.annotation "dot" .) }} @@ -43,8 +44,24 @@ {{- $dot := default . .dot -}} {{- $suffix := default "" .suffix -}} {{- $annotations := default "" .annotations -}} -{{- if $annotations -}} -annotations: {{- include "common.tplValue" (dict "value" $annotations "context" $dot) | nindent 2 }} + {{- $msb_informations := default "" .msb_informations -}} +{{- if or $annotations $msb_informations -}} +annotations: +{{- if $annotations }} +{{ include "common.tplValue" (dict "value" $annotations "context" $dot) | indent 2 }} +{{- end }} +{{- if $msb_informations }} + msb.onap.org/service-info: '[ + { + "serviceName": "{{ include "common.servicename" $dot }}", + "version": "{{ default "v1" $msb_informations.version }}", + "url": "{{ default "/" $msb_informations.url }}", + "protocol": "{{ default "REST" $msb_informations.protocol }}", + "port": "{{ $msb_informations.port }}", + "visualRange":"{{ default "1" $msb_informations.visualRange }}" + } + ]' +{{- end}} {{- end }} name: {{ include "common.servicename" $dot }}{{ if $suffix }}{{ print "-" $suffix }}{{ end }} namespace: {{ include "common.namespace" $dot }} @@ -55,65 +72,121 @@ labels: {{- include "common.labels" $dot | nindent 2 -}} The function takes three arguments (inside a dictionary): - .dot : environment (.) - .ports : an array of ports - - .portType: the type of the service - - .prefix: NodePort prefix to be used - + - .serviceType: the type of the service + - .add_plain_port: add tls port AND plain port */}} {{- define "common.servicePorts" -}} -{{- $portType := .portType -}} -{{- $dot := .dot -}} -{{- range $index, $port := .ports }} -{{- $portPrefix := default "nodePortPrefix" $port.prefix }} +{{- $serviceType := .serviceType }} +{{- $dot := .dot }} +{{- $add_plain_port := default false .add_plain_port }} +{{- range $index, $port := .ports }} +{{- if (include "common.needTLS" $dot) }} - port: {{ $port.port }} targetPort: {{ $port.name }} - {{- if (eq $portType "NodePort") }} - nodePort: {{ index $dot.Values "global" $portPrefix | default (index $dot.Values $portPrefix) }}{{ $port.nodePort }} - {{- end }} +{{- if $port.port_protocol }} + name: {{ printf "%ss-%s" $port.port_protocol $port.name }} +{{- else }} name: {{ $port.name }} -{{- end -}} +{{- end }} +{{- if (eq $serviceType "NodePort") }} + nodePort: {{ $dot.Values.global.nodePortPrefix | default $dot.Values.nodePortPrefix }}{{ $port.nodePort }} +{{- end }} +{{- else }} +- port: {{ default $port.port $port.plain_port }} + targetPort: {{ $port.name }} +{{- if $port.port_protocol }} + name: {{ printf "%s-%s" $port.port_protocol $port.name }} +{{- else }} + name: {{ $port.name }} +{{- end }} +{{- end }} +{{- if (and (and (include "common.needTLS" $dot) $add_plain_port) $port.plain_port) }} +{{- if (eq $serviceType "ClusterIP") }} +- port: {{ $port.plain_port }} + targetPort: {{ $port.name }}-plain +{{- if $port.port_protocol }} + name: {{ printf "%s-%s" $port.port_protocol $port.name }} +{{- else }} + name: {{ $port.name }}-plain +{{- end }} +{{- end }} +{{- end }} +{{- end }} {{- end -}} {{/* Create generic service template The function takes several arguments (inside a dictionary): - .dot : environment (.) - .ports : an array of ports - - .portType: the type of the service + - .serviceType: the type of the service - .suffix : a string which will be added at the end of the name (with a '-') - .annotations: the annotations to add + - .msb_informations: msb information in order to create msb annotation - .publishNotReadyAddresses: if we publish not ready address - .headless: if the service is headless + - .add_plain_port: add tls port AND plain port */}} {{- define "common.genericService" -}} {{- $dot := default . .dot -}} {{- $suffix := default "" .suffix -}} {{- $annotations := default "" .annotations -}} +{{- $msb_informations := default "" .msb_informations -}} {{- $publishNotReadyAddresses := default false .publishNotReadyAddresses -}} -{{- $portType := .portType -}} +{{- $serviceType := .serviceType -}} {{- $ports := .ports -}} {{- $headless := default false .headless -}} +{{- $add_plain_port := default false .add_plain_port }} apiVersion: v1 kind: Service -metadata: {{ include "common.serviceMetadata" (dict "suffix" $suffix "annotations" $annotations "dot" $dot ) | nindent 2 }} +metadata: {{ include "common.serviceMetadata" (dict "suffix" $suffix "annotations" $annotations "msb_informations" $msb_informations "dot" $dot) | nindent 2 }} spec: {{- if $headless }} clusterIP: None {{- end }} - ports: {{- include "common.servicePorts" (dict "portType" $portType "ports" $ports "dot" $dot) | nindent 4 }} + ports: {{- include "common.servicePorts" (dict "serviceType" $serviceType "ports" $ports "dot" $dot "add_plain_port" $add_plain_port) | nindent 4 }} {{- if $publishNotReadyAddresses }} publishNotReadyAddresses: true {{- end }} - type: {{ $portType }} + type: {{ $serviceType }} selector: {{- include "common.matchLabels" $dot | nindent 4 }} {{- end -}} -{{/* Create service template */}} +{{/* + Create service template + Will create one or two service templates according to this table: + + | serviceType | both_tls_and_plain | result | + |---------------|--------------------|--------------| + | ClusterIP | any | one Service | + | Not ClusterIP | not present | one Service | + | Not ClusterIP | false | one Service | + | Not ClusterIP | true | two Services | + + If two services are created, one is ClusterIP with both crypted and plain + ports and the other one is NodePort (or LoadBalancer) with crypted port only. +*/}} {{- define "common.service" -}} -{{- $suffix := default "" .Values.service.suffix -}} -{{- $annotations := default "" .Values.service.annotations -}} -{{- $publishNotReadyAddresses := default false .Values.service.publishNotReadyAddresses -}} -{{- $portType := .Values.service.type -}} -{{- $ports := .Values.service.ports -}} -{{ include "common.genericService" (dict "suffix" $suffix "annotations" $annotations "dot" . "publishNotReadyAddresses" $publishNotReadyAddresses "ports" $ports "portType" $portType) }} +{{- $suffix := default "" .Values.service.suffix -}} +{{- $annotations := default "" .Values.service.annotations -}} +{{- $publishNotReadyAddresses := default false .Values.service.publishNotReadyAddresses -}} +{{- $msb_informations := default "" .Values.service.msb -}} +{{- $serviceType := .Values.service.type -}} +{{- $ports := .Values.service.ports -}} +{{- $both_tls_and_plain:= default false .Values.service.both_tls_and_plain }} +{{- if (and (include "common.needTLS" .) $both_tls_and_plain) }} +{{ include "common.genericService" (dict "suffix" $suffix "annotations" $annotations "msb_informations" $msb_informations "dot" . "publishNotReadyAddresses" $publishNotReadyAddresses "ports" $ports "serviceType" "ClusterIP" "add_plain_port" true) }} +{{- if (ne $serviceType "ClusterIP") }} +--- +{{- if $suffix }} +{{- $suffix = printf "%s-external" $suffix }} +{{- else }} +{{- $suffix = "external" }} +{{- end }} +{{ include "common.genericService" (dict "suffix" $suffix "annotations" $annotations "dot" . "publishNotReadyAddresses" $publishNotReadyAddresses "ports" $ports "serviceType" $serviceType) }} +{{- end }} +{{- else }} +{{ include "common.genericService" (dict "suffix" $suffix "annotations" $annotations "dot" . "publishNotReadyAddresses" $publishNotReadyAddresses "ports" $ports "serviceType" $serviceType) }} +{{- end }} {{- end -}} {{/* Create headless service template */}} @@ -122,7 +195,7 @@ spec: {{- $annotations := default "" .Values.service.headless.annotations -}} {{- $publishNotReadyAddresses := default false .Values.service.headless.publishNotReadyAddresses -}} {{- $ports := .Values.service.headlessPorts -}} -{{ include "common.genericService" (dict "suffix" $suffix "annotations" $annotations "dot" . "publishNotReadyAddresses" $publishNotReadyAddresses "ports" $ports "portType" "ClusterIP" "headless" true ) }} +{{ include "common.genericService" (dict "suffix" $suffix "annotations" $annotations "dot" . "publishNotReadyAddresses" $publishNotReadyAddresses "ports" $ports "serviceType" "ClusterIP" "headless" true ) }} {{- end -}} {{/* @@ -135,3 +208,45 @@ spec: {{- print "headless" }} {{- end }} {{- end -}} + +{{/* + Calculate if we need to use TLS ports. + We use TLS by default unless we're on service mesh with TLS. + We can also override this behavior with override toggles: + - .Values.global.tlsEnabled : override default TLS behavior for all charts + - .Values.tlsOverride : override global and default TLS on a per chart basis + + this will give these combinations: + | tlsOverride | global.tlsEnabled | global.serviceMesh.enabled | global.serviceMesh.tls | result | + |-------------|-------------------|----------------------------|------------------------|--------| + | not present | not present | not present | any | true | + | not present | not present | false | any | true | + | not present | not present | true | false | true | + | not present | not present | true | true | false | + | not present | true | any | any | true | + | not present | false | any | any | false | + | true | any | any | any | true | + | false | any | any | any | false | + +*/}} +{{- define "common.needTLS" -}} +{{- if hasKey .Values "tlsOverride" }} +{{- if .Values.tlsOverride -}} +true +{{- end }} +{{- else }} +{{- if hasKey .Values.global "tlsEnabled" }} +{{- if .Values.global.tlsEnabled }} +true +{{- end }} +{{- else }} +{{- if not (include "common.onServiceMesh" .) -}} +true +{{- else }} +{{- if not (default false .Values.global.serviceMesh.tls) -}} +true +{{- end }} +{{- end }} +{{- end }} +{{- end }} +{{- end -}} diff --git a/kubernetes/common/common/templates/_serviceMesh.tpl b/kubernetes/common/common/templates/_serviceMesh.tpl new file mode 100644 index 0000000000..6b6a26fc45 --- /dev/null +++ b/kubernetes/common/common/templates/_serviceMesh.tpl @@ -0,0 +1,27 @@ +{/* +# Copyright © 2020 Amdocs, Bell Canada, Orange +# +# 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. +*/}} + + +{/* + Calculate if we are on service mesh. +*/}} +{{- define "common.onServiceMesh" -}} +{{- if .Values.global.serviceMesh -}} +{{- if (default false .Values.global.serviceMesh.enabled) -}} +true +{{- end -}} +{{- end -}} +{{- end -}} |