feat(lubelogger): add secrets name overrides (#8)

## Description
This pull request allows overriding secrets name when configuring the
application.

---------

Signed-off-by: Mateusz Urbanek <mateusz.urbanek.98@gmail.com>

anza-labs/lubelog/Chart.yaml

@@ -2,4 +2,4 @@ apiVersion: v2
 name: lubelog
 description: LubeLogger is a web-based vehicle maintenance and fuel mileage tracker
 type: application
-version: 0.1.1
+version: 0.1.2

anza-labs/lubelog/README.md

@@ -1,6 +1,6 @@
 # lubelog
 
-![Version: 0.1.1](https://img.shields.io/badge/Version-0.1.1-informational?style=flat) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat)
+![Version: 0.1.2](https://img.shields.io/badge/Version-0.1.2-informational?style=flat) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat)
 
 LubeLogger is a web-based vehicle maintenance and fuel mileage tracker
 
@@ -13,8 +13,8 @@ LubeLogger is a web-based vehicle maintenance and fuel mileage tracker
 | autoscaling.maxReplicas | int | `3` | Maximum number of replicas for autoscaling. |
 | autoscaling.minReplicas | int | `1` | Minimum number of replicas for autoscaling. |
 | autoscaling.targetCPUUtilizationPercentage | int | `80` | Target CPU utilization percentage for autoscaling. |
-| config.LANG | string | `"en_US.UTF-8"` | Same as above. Note that some languages don't have UTF-8 encodings. |
-| config.LC_ALL | string | `"en_US.UTF-8"` | Locale and Language Settings, this will affect how numbers, currencies, and dates are  formatted. |
+| config.LANG | string | `"en_US.UTF-8"` | Locale and Language Settings, this will affect how numbers, currencies, and dates are  formatted. |
+| config.LC_ALL | string | `"en_US.UTF-8"` | Same as above. Note that some languages don't have UTF-8 encodings. |
 | config.LOGLEVEL | string | `"Information"` | Specifies the level of logs. Valid levels are `Trace`, `Debug`, `Information`,  `Warning`, `Error`, `Critical` and `None`. Learn more at: https://learn.microsoft.com/en-us/aspnet/core/fundamentals/logging/ |
 | fullnameOverride | string | `""` | Override for the full name. |
 | image.pullPolicy | string | `"IfNotPresent"` | Image pull policy. |
@@ -32,13 +32,23 @@ LubeLogger is a web-based vehicle maintenance and fuel mileage tracker
 | podAnnotations | object | `{}` | Annotations to be added to the pods. |
 | podLabels | object | `{}` | Labels to be added to the pods. |
 | podSecurityContext | object | `{}` |  |
-| postgres | object | `{"connect":false,"database":"postgres","host":"postgres","password":"postgres","port":5432,"user":"postgres"}` | PostgreSQL connection details. |
+| postgres | object | `{"connect":false,"create":false,"database":"postgres","host":"postgres","keyRef":"POSTGRES_CONNECTION","name":"","password":"postgres","port":5432,"user":"postgres"}` | PostgreSQL connection details. |
+| postgres.connect | bool | `false` | Defines if the LubeLogger should connect to the Postgres backend. It has no effect when `postgres.create=true`. |
+| postgres.create | bool | `false` | Defines if the secret with Postgres connection details should be created. |
+| postgres.database | string | `"postgres"` | Database name. |
+| postgres.host | string | `"postgres"` | Host of the Postgres database. |
+| postgres.keyRef | string | `"POSTGRES_CONNECTION"` | Defines the key under which postgres connection string can be found. It uses Npgsql connection format. |
+| postgres.name | string | `""` | Specifies name of a secret used to configure the LubeLogger's Postgres backend. If not filled, uses full name. |
+| postgres.password | string | `"postgres"` | Password for the user used to connect to the Postgres database. |
+| postgres.port | int | `5432` | Port of the Postgres database. |
+| postgres.user | string | `"postgres"` | User used to connect to the Postgres database. |
 | readinessProbe.httpGet | object | `{"path":"/","port":"http"}` | Readiness probe configuration. |
 | replicaCount | int | `1` | Number of replicas for the deployment. |
 | resources | object | `{}` |  |
 | secret.create | bool | `true` | Specifies whether a secret should be created. |
 | secret.emailFrom | string | `""` | Email from address for the secret. |
 | secret.emailServer | string | `""` | Email server for the secret. |
+| secret.name | string | `""` | Specifies name of a secret used to configure the LubeLogger's mail connection. If not filled, uses full name. |
 | secret.password | string | `""` | Password for the email server. |
 | secret.port | int | `587` | Port for the email server. |
 | secret.username | string | `""` | Username for the email server. |

anza-labs/lubelog/templates/_helpers.tpl

@@ -57,3 +57,24 @@ Create the name of the service account to use
         {{- default "default" .Values.serviceAccount.name }}
     {{- end }}
 {{- end }}
+
+{{/*
+Create secret name used for configuring mail.
+*/}}
+{{- define "lubelog.mailSecret" -}}
+    {{- default (include "lubelog.fullname" .) .Values.secret.name }}
+{{- end }}
+
+{{/*
+Create secret name used for configuring PostgreSQL connection.
+*/}}
+{{- define "lubelog.postgresSecret" -}}
+    {{- default ( printf "%s-postgres-connection" (include "lubelog.fullname" .)) .Values.postgres.name }}
+{{- end }}
+
+{{/*
+Create key under which PostgreSQL connection string can be found.
+*/}}
+{{- define "lubelog.postgresSecretKey" -}}
+    {{- default "POSTGRES_CONNECTION" .Values.postgres.keyRef }}
+{{- end }}

anza-labs/lubelog/templates/deployment.yaml

@@ -59,33 +59,33 @@ spec:
             - name: MailConfig__EmailServer
               valueFrom:
                 secretKeyRef:
-                  name: {{ include "lubelog.fullname" . }}
+                  name: {{ include "lubelog.mailSecret" . }}
                   key: MailConfig__EmailServer
             - name: MailConfig__EmailFrom
               valueFrom:
                 secretKeyRef:
-                  name: {{ include "lubelog.fullname" . }}
+                  name: {{ include "lubelog.mailSecret" . }}
                   key: MailConfig__EmailFrom
             - name: MailConfig__Port
               valueFrom:
                 secretKeyRef:
-                  name: {{ include "lubelog.fullname" . }}
+                  name: {{ include "lubelog.mailSecret" . }}
                   key: MailConfig__Port
             - name: MailConfig__Username
               valueFrom:
                 secretKeyRef:
-                  name: {{ include "lubelog.fullname" . }}
+                  name: {{ include "lubelog.mailSecret" . }}
                   key: MailConfig__Username
             - name: MailConfig__Password
               valueFrom:
                 secretKeyRef:
-                  name: {{ include "lubelog.fullname" . }}
+                  name: {{ include "lubelog.mailSecret" . }}
                   key: MailConfig__Password
-            {{- if .Values.postgres.connect }}
+            {{- if or .Values.postgres.connect .Values.postgres.create }}
             - name: POSTGRES_CONNECTION
               valueFrom:
                 secretKeyRef:
-                  name: {{ include "lubelog.fullname" . }}-postgres-connection
+                  name: {{ include "lubelog.postgresSecret" . }}
                   key: POSTGRES_CONNECTION
             {{- end }}
       {{- with .Values.nodeSelector }}

anza-labs/lubelog/templates/postgres-connection.yaml

@@ -16,5 +16,5 @@ metadata:
     {{- end }}
 type: Opaque
 stringData:
-  POSTGRES_CONNECTION: "Host={{ $pgHost }}:{{ $pgPort }};Username={{ $pgUser }};Password={{ $pgPass }};Database={{ $pgDatabase }};"
+  {{- include "lubelog.postgresSecretKey" . | nindent 2}}: "Host={{ $pgHost }}:{{ $pgPort }};Username={{ $pgUser }};Password={{ $pgPass }};Database={{ $pgDatabase }};"
 {{- end }}

anza-labs/lubelog/templates/secret.yaml

@@ -7,7 +7,7 @@
 apiVersion: v1
 kind: Secret
 metadata:
-  name: {{ include "lubelog.fullname" . }}
+  name: {{ include "lubelog.mailSecret" . }}
   namespace: {{ .Release.Namespace }}
   labels:
     {{- include "lubelog.labels" . | nindent 4 }}

anza-labs/lubelog/values.yaml

@@ -12,10 +12,10 @@ image:
   pullPolicy: IfNotPresent
 
 config:
-  # -- Same as above. Note that some languages don't have UTF-8 encodings.
-  LANG: en_US.UTF-8
   # -- Locale and Language Settings, this will affect how numbers, currencies, and dates are 
   # formatted.
+  LANG: en_US.UTF-8
+  # -- Same as above. Note that some languages don't have UTF-8 encodings.
   LC_ALL: en_US.UTF-8
   # -- Specifies the level of logs. Valid levels are `Trace`, `Debug`, `Information`, 
   # `Warning`, `Error`, `Critical` and `None`. Learn more at:
@@ -43,6 +43,9 @@ serviceAccount:
 secret:
   # -- Specifies whether a secret should be created.
   create: true
+  # -- Specifies name of a secret used to configure the LubeLogger's mail connection.
+  # If not filled, uses full name.
+  name: ""
   # -- Email server for the secret.
   emailServer: ""
   # -- Email from address for the secret.
@@ -56,11 +59,26 @@ secret:
 
 # -- PostgreSQL connection details.
 postgres:
+  # -- Defines if the secret with Postgres connection details should be created.
+  create: false
+  # -- Defines if the LubeLogger should connect to the Postgres backend.
+  # It has no effect when `postgres.create=true`.
   connect: false
+  # -- Specifies name of a secret used to configure the LubeLogger's Postgres backend.
+  # If not filled, uses full name.
+  name: ""
+  # -- Defines the key under which postgres connection string can be found.
+  # It uses Npgsql connection format.
+  keyRef: "POSTGRES_CONNECTION"
+  # -- Host of the Postgres database.
   host: "postgres"
+  # -- Port of the Postgres database.
   port: 5432
+  # -- User used to connect to the Postgres database.
   user: "postgres"
+  # -- Password for the user used to connect to the Postgres database.
   password: "postgres"
+  # -- Database name.
   database: "postgres"
 
 # -- Annotations to be added to the pods.