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5 Commits

Author SHA1 Message Date
Martin Šalata
cd1b33b523 Fix certificate generation script arguments 2021-04-04 20:08:56 +02:00
Martin Šalata
4e360ac34f Bump docker and helm versions 2021-04-04 18:47:19 +02:00
Martin Šalata
ee0e41ff32 Add secret type in readme 2021-04-04 18:47:02 +02:00
Martin Šalata
6c4db7d4d1 Standardize secret names 2021-04-04 18:45:24 +02:00
Martin Šalata
c7708d06e5 Add info to readme 2021-04-04 18:24:50 +02:00
6 changed files with 46 additions and 27 deletions

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@@ -2,6 +2,12 @@
The responsibility of this webhook is to patch all newly created/updated service account and make sure they all contained proper imagepullsecret configuration. The responsibility of this webhook is to patch all newly created/updated service account and make sure they all contained proper imagepullsecret configuration.
This repo produces one helm chart available via helm repository https://ysoftdevs.github.io/imagepullsecret-injector. There are also 2 docker images:
- `marshallmarshall/imagepullsecret-injector` - the image containing the webhook itself
- `marshallmarshall/webhook-cert-generator` - helper image responsible for (re)generating the certificates
## Helm description ## Helm description
The helm chart consists of 2 parts: the certificate generator and the webhook configuration itself. The helm chart consists of 2 parts: the certificate generator and the webhook configuration itself.
@@ -21,22 +27,35 @@ The main part is the deployment and the web hook configuration. The flow is as f
Of note is also a fact that the chart runs a lookup to the connected cluster to fetch the CA bundle for the MutatingWebhook. This means `helm template` won't work. Of note is also a fact that the chart runs a lookup to the connected cluster to fetch the CA bundle for the MutatingWebhook. This means `helm template` won't work.
## Running locally ## Running locally
```bash 1. Create the prerequisite resources:
kubectl create ns imagepullsecret-injector ```bash
kubectl create ns imagepullsecret-injector
kubectl create secret -n imagepullsecret-injector \ kubectl create secret -n imagepullsecret-injector \
generic my-cool-secret-source \ generic acr-dockerconfigjson-source \
--from-literal=.dockerconfigjson='<your .dockerconfigjson configuration file>' --type=kubernetes.io/dockerconfigjson \
--from-literal=.dockerconfigjson='<your .dockerconfigjson configuration file>'
```
make build-image 1. Build the images and run the chart
helm upgrade -i imagepullsecret-injector \ ``` bash
--create-namespace -n imagepullsecret-injector \ make build-image
helm/imagepullsecret-injector helm upgrade -i imagepullsecret-injector \
``` -n imagepullsecret-injector \
helm/imagepullsecret-injector
```
Alternatively, you can use the pre-built, publicly available helm chart and docker images:
```bash
helm repo add imagepullsecret-injector https://ysoftdevs.github.io/imagepullsecret-injector
helm repo update
helm upgrade -i imagepullsecret-injector \
-n imagepullsecret-injector \
magepullsecret-injector/imagepullsecret-injector
```
To test whether everything works, you can run 1. To test whether everything works, you can run
```bash ```bash
kubectl create ns yolo kubectl create ns yolo
kubectl get sa -n yolo default -ojsonpath='{.imagePullSecrets}' kubectl get sa -n yolo default -ojsonpath='{.imagePullSecrets}'
``` ```
The get command should display _some_ non-empty result. The `get` command should display _some_ non-empty result.

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@@ -1 +1 @@
v0.0.8 0.0.9

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@@ -15,9 +15,9 @@ type: application
# This is the chart version. This version number should be incremented each time you make changes # 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. # to the chart and its templates, including the app version.
# Versions are expected to follow Semantic Versioning (https://semver.org/) # Versions are expected to follow Semantic Versioning (https://semver.org/)
version: 0.0.6 version: 0.0.10
# This is the version number of the application being deployed. This version number should be # 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 # 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. # follow Semantic Versioning. They should reflect the version the application is using.
appVersion: v0.0.8 appVersion: 0.0.9

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@@ -21,9 +21,9 @@ spec:
image: "{{ .Values.certificateGeneratorImage.registry }}/{{ .Values.certificateGeneratorImage.repository }}:{{ .Values.certificateGeneratorImage.tag | default .Chart.AppVersion }}" image: "{{ .Values.certificateGeneratorImage.registry }}/{{ .Values.certificateGeneratorImage.repository }}:{{ .Values.certificateGeneratorImage.tag | default .Chart.AppVersion }}"
command: ["/entrypoint/entrypoint.sh"] command: ["/entrypoint/entrypoint.sh"]
args: args:
- --service="{{ include "imagepullsecret-injector.serviceName" . }}" - --service "{{ include "imagepullsecret-injector.serviceName" . }}"
- --namespace="{{ .Release.Namespace }}" - --namespace "{{ .Release.Namespace }}"
- --secret="{{ include "imagepullsecret-injector.certificateSecretName" . }}" - --secret "{{ include "imagepullsecret-injector.certificateSecretName" . }}"
volumeMounts: volumeMounts:
- mountPath: "/entrypoint" - mountPath: "/entrypoint"
name: entrypoint name: entrypoint

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@@ -14,9 +14,9 @@ spec:
image: "{{ .Values.certificateGeneratorImage.registry }}/{{ .Values.certificateGeneratorImage.repository }}:{{ .Values.certificateGeneratorImage.tag | default .Chart.AppVersion }}" image: "{{ .Values.certificateGeneratorImage.registry }}/{{ .Values.certificateGeneratorImage.repository }}:{{ .Values.certificateGeneratorImage.tag | default .Chart.AppVersion }}"
command: ["/entrypoint/entrypoint.sh"] command: ["/entrypoint/entrypoint.sh"]
args: args:
- --service="{{ include "imagepullsecret-injector.serviceName" . }}" - --service "{{ include "imagepullsecret-injector.serviceName" . }}"
- --namespace="{{ .Release.Namespace }}" - --namespace "{{ .Release.Namespace }}"
- --secret="{{ include "imagepullsecret-injector.certificateSecretName" . }}" - --secret "{{ include "imagepullsecret-injector.certificateSecretName" . }}"
volumeMounts: volumeMounts:
- mountPath: "/entrypoint" - mountPath: "/entrypoint"
name: entrypoint name: entrypoint

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@@ -12,10 +12,10 @@ certificateGeneratorImage:
imagepullsecretInjector: imagepullsecretInjector:
dockerconfigjsonRef: dockerconfigjsonRef:
secretName: my-cool-secret-source secretName: acr-dockerconfigjson-source
secretNamespace: "" secretNamespace: ""
targetSecretName: my-cool-secret targetSecretName: acr-dockerconfigjson
ignoreSecretCreationError: false ignoreSecretCreationError: false
allSaNames: false allSaNames: false
saNames: saNames: