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flux-local-1.1.3
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flux-local is a python library and set of tools for managing a flux gitops repository, with validation steps to help improve quality of commits, PRs, and general local testing.
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | flux-local-1.1.3 |
| نام | flux-local |
| نسخه کتابخانه | 1.1.3 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Allen Porter |
| ایمیل نویسنده | allen.porter@gmail.com |
| آدرس صفحه اصلی | https://github.com/allenporter/flux-local |
| آدرس اینترنتی | https://pypi.org/project/flux-local/ |
| مجوز | Apache-2.0 |
flux-local is a set of tools and libraries for managing a local flux gitops repository focused on validation steps to help improve quality of commits, PRs, and general local testing.
This library uses command line tools like kustomize and helm to replicate the behavior of
flux to gather objects in the cluster. It only looks at the local git repo, and not a live
cluster. However, this is fine since the local repository has enough information and the
definition is simple. Secrets are ignored as the content is not needed to validate the
cluster is creating valid objects.
This library at first glance is little more than shell scripts running commands, but is easier
to test, maintain, and evolve. This does not support all features of flux, but should
be close enough for home use.
See [documentation](https://allenporter.github.io/flux-local/) for full quickstart and API reference.
See the [github project](https://github.com/allenporter/flux-local).
## flux-local CLI
The CLI is written in python and packaged as part of the `flux-local` python library, which can be installed using pip:
```bash
$ pip3 install flux-local
```
### flux-local get
You can use the `flux-local` cli to inspect objects in the cluster, similar to how you might
use the flux command on a real cluster.
This example lists all Kustomizations in the cluster:
```bash
$ flux-local get ks -o wide
NAME PATH HELMREPOS RELEASES
apps ./tests/testdata/cluster/apps/prod 0 0
infra-controllers ./tests/testdata/cluster/infrastructure/controllers 0 0
infra-configs ./tests/testdata/cluster/infrastructure/configs 2 0
```
This example lists all HelmReleases in the cluster:
```bash
$ flux-local get hr -A
NAMESPACE NAME REVISION CHART SOURCE
podinfo podinfo 6.3.2 podinfo-podinfo podinfo
metallb metallb 4.1.14 metallb-metallb bitnami
```
This example lists all HelmReleases in a specific namespace:
```bash
$ flux-local get hr -n metallb
NAME REVISION CHART SOURCE
metallb 4.1.14 metallb-metallb bitnami
```
### flux-local build
You can use the `flux-local` cli to build all objects in a cluster, similar to how you
use `kustomize build`, which is used underneath. Here is an example to build all flux
`Kustomization` objects within a git repository, using `kustomize cfg count` to parse
the yaml output:
```bash
$ flux-local build tests/testdata/cluster/ | kustomize cfg count
ClusterPolicy: 1
ConfigMap: 1
HelmRelease: 2
HelmRepository: 2
Namespace: 1
```
You can also specify the root to build all clusters.
Additionally, you can inflate `HelmRelease` objects inside each `Kustomization` by adding
the `--enable-helm` command line flag. This example again shows `kustomize cfg count`
to parse the yaml output which now includes the resources from `HelmRelease` objects
defined in the cluster:
```bash
$ flux-local build tests/testdata/cluster/ --enable-helm --skip-crds | kustomize cfg count
ClusterPolicy: 1
ClusterRole: 2
ClusterRoleBinding: 2
ConfigMap: 3
DaemonSet: 1
Deployment: 3
HelmRelease: 2
HelmRepository: 2
Ingress: 1
Namespace: 1
Role: 3
RoleBinding: 3
Secret: 1
Service: 3
ServiceAccount: 2
ValidatingWebhookConfiguration: 1
```
### flux-local diff
You may also use `flux-local` to verify your local changes to cluster resources have the desird
effect. This is similar to `flux diff` but entirely local. This will run a local `kustomize build`
first against the local repo then again against a prior repo revision, then prints the output:
```bash
$ flux-local diff ks apps
---
+++
@@ -2,6 +2,13 @@
kind: Namespace
metadata:
name: podinfo
+- apiVersion: v1
+ data:
+ foo: bar
+ kind: ConfigMap
+ metadata:
+ name: podinfo-config
+ namespace: podinfo
- apiVersion: helm.toolkit.fluxcd.io/v2beta1
kind: HelmRelease
metadata:
```
Additionally `flux-local` can inflate a `HelmRelease` locally and show diffs in the output
objects. This is similar to `flux diff` but for HelmReleases:
```diff
$ flux-local diff hr -n podinfo podinfo
---
+++
@@ -33,8 +33,8 @@
labels:
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/name: podinfo
- app.kubernetes.io/version: 6.3.2
- helm.sh/chart: podinfo-6.3.2
+ app.kubernetes.io/version: 6.3.3
+ helm.sh/chart: podinfo-6.3.3
name: podinfo
spec:
ports:
...
```
You may also use an external diff program such as [dyff](https://github.com/homeport/dyff) which
is more compact for diffing yaml resources:
```bash
$ git status
On branch dev
Your branch is up to date with 'origin/dev'.
Changes not staged for commit:
modified: home/dev/hajimari-values.yaml
$ export DIFF="dyff between --omit-header --color on"
# flux-local diff ks home --path clusters/dev/
spec.chart.spec.version (HelmRelease/hajimari/hajimari)
± value change
- 2.0.2
+ 2.0.1
$ flux-local diff hr hajimari -n hajimari --path clusters/dev/
metadata.labels.helm.sh/chart (ClusterRoleBinding/default/hajimari)
± value change
- hajimari-2.0.2
+ hajimari-2.0.1
metadata.labels.helm.sh/chart (PersistentVolumeClaim/default/hajimari-data)
± value change
- hajimari-2.0.2
+ hajimari-2.0.1
```
### flux-local test
You can verify that the resources in the cluster are formatted properly before commit or as part
of a CI system. The `flux-local test` command will build the `Kustomization` resources in the
cluster:
```
$ flux-local test
============================================= test session starts =============================================
collected 18 items
clusters/dev ......... [ 50%]
clusters/prod ......... [100%]
============================================= 18 passed in 11.43s =============================================
$ flux-local test -v
============================================= test session starts =============================================
collected 18 items
./clusters/dev::certmanager::kustomization PASSED [ 5%]
./clusters/dev::crds::kustomization PASSED [ 11%]
./clusters/dev::games::kustomization PASSED [ 16%]
./clusters/dev::home::kustomization PASSED [ 22%]
./clusters/dev::infrastructure::kustomization PASSED [ 27%]
./clusters/dev::monitoring::kustomization PASSED [ 33%]
./clusters/dev::network::kustomization PASSED [ 38%]
./clusters/dev::services::kustomization PASSED [ 44%]
./clusters/dev::settings::kustomization PASSED [ 50%]
./clusters/prod::certmanager::kustomization PASSED [ 55%]
./clusters/prod::crds::kustomization PASSED [ 61%]
./clusters/prod::games::kustomization PASSED [ 66%]
./clusters/prod::home::kustomization PASSED [ 72%]
./clusters/prod::infrastructure::kustomization PASSED [ 77%]
./clusters/prod::monitoring::kustomization PASSED [ 83%]
./clusters/prod::network::kustomization PASSED [ 88%]
./clusters/prod::services::kustomization PASSED [ 94%]
./clusters/prod::settings::kustomization PASSED [100%]
============================================= 18 passed in 11.81s ============================================
```
You may also validate `HelmRelease` objects can be templated properly with the `--enable-helm`
flag. This will run `kustomize build` then run `helm template` on all the `HelmRelease` objects
found. Additionally the `--enable-kyverno` flag will apply any found `ClusterPolicy` objects to
all objects in the cluster and verify they pass:
```
$ flux-local test --enable-helm --enable-kyverno
============================================= test session starts =============================================
collected 81 items
clusters/dev ..................................... [ 45%]
clusters/prod ............................................ [100%]
======================================== 81 passed in 75.40s (0:01:15) ========================================
```
## Library
The `flux_local` [library documentation](https://allenporter.github.io/flux-local/) for details
on the python APIs provided.
نیازمندی
| مقدار | نام |
|---|---|
| >=22.1.0 | aiofiles |
| >=1.5.6 | nest-asyncio |
| >=1.10.4 | pydantic |
| >=8.0.0 | python-slugify |
| >=3.1.30 | GitPython |
| >=6.0 | PyYAML |
| >=3.0 | networkx |
| >=7.2.1 | pytest |
| >=0.20.3 | pytest-asyncio |
نحوه نصب
نصب پکیج whl flux-local-1.1.3:
pip install flux-local-1.1.3.whl
نصب پکیج tar.gz flux-local-1.1.3:
pip install flux-local-1.1.3.tar.gz