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change panic to fatal log

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This commit is contained in:
George Stykalin
2025-08-10 14:28:32 +03:00
parent 4ede8161f8
commit b6087afc46
10 changed files with 265 additions and 55 deletions
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2
internal/config/config.go
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@@ -57,7 +57,7 @@ func createConfig(configFile string, out string, password string, verbose bool)
if err := cleanenv.ReadConfig(configFile, instance); err != nil {
helper, _ := cleanenv.GetDescription(instance, nil)
panic(fmt.Sprintf("%s\n%s", helper, err))
logging.Log.Fatal(fmt.Sprintf("%s\n%s", helper, err))
}
instance.BaseDir = files.CreateTempDir()

0
internal/config/utility.go → internal/config/utilits.go
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2
internal/helm_client/chart.go
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@@ -17,7 +17,7 @@ func InstallChart(chartSpec go_helm_client.ChartSpec) {
logging.Log.Infof("Upgrading %s", chartSpec.ChartName)
}
if _, err := helmClient.InstallOrUpgradeChart(context.Background(), &chartSpec, nil); err != nil {
panic(err)
logging.Log.Fatal(err)
}
}

3
internal/helm_client/repo.go
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@@ -2,6 +2,7 @@ package helm_client
import (
"kube-forge/internal/config"
"kube-forge/internal/logging"
"helm.sh/helm/v3/pkg/repo"
)
@@ -16,7 +17,7 @@ func AddHelmRepo(namespace string, repoSettings config.RepoSettings) {
}
if err := helmClient.AddOrUpdateChartRepo(chartRepo); err != nil {
panic(err)
logging.Log.Fatal(err)
}
}

46
internal/kubespray/utility.go → internal/kubespray/playbook.go
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@@ -2,8 +2,6 @@ package kubespray
import (
"context"
"fmt"
"io"
"kube-forge/internal/config"
"kube-forge/internal/logging"
"kube-forge/internal/python"
@@ -15,48 +13,6 @@ import (
"github.com/apenella/go-ansible/v2/pkg/playbook"
)
func getPlaybookParameters(tags string) playbook.AnsiblePlaybookOptions {
cfg := config.GetConfig()
ansiblePlaybookOptions := playbook.AnsiblePlaybookOptions{
Inventory: filepath.Join(cfg.InventoryDir, "hosts"),
Tags: tags,
User: cfg.Credentials.User,
Become: true,
}
if cfg.Credentials.PrivateKeyFile != "" {
ansiblePlaybookOptions.PrivateKey = cfg.Credentials.PrivateKeyFile
}
if cfg.Credentials.AskSudoPassword {
ansiblePlaybookOptions.AskBecomePass = true
}
return ansiblePlaybookOptions
}
func CopyK8SAdminConfig(outFile string) {
config := config.GetConfig()
var adminDefaultConfigPath = filepath.Join(config.InventoryDir, "artifacts/admin.conf")
source, err := os.Open(adminDefaultConfigPath)
if err != nil {
panic(err)
}
defer source.Close()
destination, err := os.Create(outFile)
if err != nil {
panic(err)
}
defer destination.Close()
_, err = io.Copy(destination, source)
if err != nil {
panic(err)
}
logging.Log.Info(fmt.Sprintf("K8s admin config: %s", outFile))
}
func runPlaybook(playbookPath string, tags string) {
config := config.GetConfig()
var callbackExecute execute.Executor
@@ -111,6 +67,6 @@ func runPlaybook(playbookPath string, tags string) {
err := callbackExecute.Execute(context.Background())
if err != nil {
panic(err)
logging.Log.Fatal(err)
}
}

54
internal/kubespray/utilits.go Normal file
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@@ -0,0 +1,54 @@
package kubespray
import (
"fmt"
"io"
"kube-forge/internal/config"
"kube-forge/internal/logging"
"os"
"path/filepath"
"github.com/apenella/go-ansible/v2/pkg/playbook"
)
func getPlaybookParameters(tags string) playbook.AnsiblePlaybookOptions {
cfg := config.GetConfig()
ansiblePlaybookOptions := playbook.AnsiblePlaybookOptions{
Inventory: filepath.Join(cfg.InventoryDir, "hosts"),
Tags: tags,
User: cfg.Credentials.User,
Become: true,
}
if cfg.Credentials.PrivateKeyFile != "" {
ansiblePlaybookOptions.PrivateKey = cfg.Credentials.PrivateKeyFile
}
if cfg.Credentials.AskSudoPassword {
ansiblePlaybookOptions.AskBecomePass = true
}
return ansiblePlaybookOptions
}
func CopyK8SAdminConfig(outFile string) {
config := config.GetConfig()
var adminDefaultConfigPath = filepath.Join(config.InventoryDir, "artifacts/admin.conf")
source, err := os.Open(adminDefaultConfigPath)
if err != nil {
logging.Log.Fatal(err)
}
defer source.Close()
destination, err := os.Create(outFile)
if err != nil {
logging.Log.Fatal(err)
}
defer destination.Close()
_, err = io.Copy(destination, source)
if err != nil {
logging.Log.Fatal(err)
}
logging.Log.Info(fmt.Sprintf("K8s admin config: %s", outFile))
}

3
internal/python/generate/main.go
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@@ -1,6 +1,7 @@
package main
import (
"kube-forge/internal/logging"
"runtime"
"strings"
@@ -22,6 +23,6 @@ func main() {
pipPlatform := platforms[strings.Join([]string{os, arch}, "-")]
err := pip.CreateEmbeddedPipPackages("requirements.txt", os, arch, pipPlatform, "./data/")
if err != nil {
panic(err)
logging.Log.Fatal(err)
}
}

3
internal/python/utils.go
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@@ -4,6 +4,7 @@ import (
"context"
"fmt"
"io"
"kube-forge/internal/logging"
"kube-forge/internal/python/data"
"kube-forge/internal/resources"
"os"
@@ -117,7 +118,7 @@ func NewPythonExec() *PythonExec {
pythonLibFs, err := embed_util.NewEmbeddedFilesWithTmpDir(data.Data, pythonLibDir, true)
if err != nil {
panic(err)
logging.Log.Fatal(err)
}
pythonLibFsPath := pythonLibFs.GetExtractedPath()
resourcesFs, _ := embed_util.NewEmbeddedFilesWithTmpDir(resources.Kubespray, resourcesDir, true)

10
internal/templates/utility.go → internal/templates/utilits.go
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@@ -15,7 +15,7 @@ func executeTemplateToString(template *template.Template, config *config.Config)
templateResult := &bytes.Buffer{}
err := template.Execute(templateResult, config)
if err != nil {
panic(err)
logging.Log.Fatal(err)
}
templateResultString := templateResult.String()
return templateResultString
@@ -24,12 +24,12 @@ func executeTemplateToString(template *template.Template, config *config.Config)
func getTemplateFromEmbedFSFolder(embedFS embed.FS, templateFile string) *template.Template {
templateData, err := embedFS.ReadFile(templateFile)
if err != nil {
panic(err)
logging.Log.Fatal(err)
}
templateDataString := string(templateData)
template, err := template.New("tmpl").Funcs(funcMap()).Parse(templateDataString)
if err != nil {
panic(err)
logging.Log.Fatal(err)
}
return template
}
@@ -50,12 +50,12 @@ func applyTemplates(templates [][2]string) {
file, err := os.Create(outFile)
if err != nil {
panic(err)
logging.Log.Fatal(err)
}
defer file.Close()
err = tmpl.Execute(file, config)
if err != nil {
panic(err)
logging.Log.Fatal(err)
}
}
}

197
test-conf/manifests/HA-test.yaml Normal file
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@@ -0,0 +1,197 @@
---
# Namespace for testing
apiVersion: v1
kind: Namespace
metadata:
name: ha-test
---
# ConfigMap with application configuration
apiVersion: v1
kind: ConfigMap
metadata:
name: nginx-config
namespace: ha-test
data:
index.html: |
<!DOCTYPE html>
<html>
<head>
<title>HA Cluster Test</title>
<style>
body { font-family: Arial, sans-serif; margin: 40px; }
.info { background: #e7f3ff; padding: 20px; border-radius: 5px; margin: 10px 0; }
.hostname { color: #2196F3; font-weight: bold; }
</style>
</head>
<body>
<h1>Kubernetes HA Cluster Test</h1>
<div class="info">
<p><strong>Pod Hostname:</strong> <span class="hostname" id="hostname"></span></p>
<p><strong>Timestamp:</strong> <span id="timestamp"></span></p>
<p><strong>Node IP:</strong> <span id="nodeip"></span></p>
</div>
<script>
document.getElementById('hostname').textContent = window.location.hostname;
document.getElementById('timestamp').textContent = new Date().toISOString();
// Node IP will be shown via environment variable injection
</script>
</body>
</html>
---
# Deployment with multiple replicas for HA testing
apiVersion: apps/v1
kind: Deployment
metadata:
name: ha-test-app
namespace: ha-test
labels:
app: ha-test-app
spec:
replicas: 6 # Deploy across multiple nodes
strategy:
type: RollingUpdate
rollingUpdate:
maxUnavailable: 1
maxSurge: 1
selector:
matchLabels:
app: ha-test-app
template:
metadata:
labels:
app: ha-test-app
spec:
# Anti-affinity to spread pods across nodes
affinity:
podAntiAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
- weight: 100
podAffinityTerm:
labelSelector:
matchExpressions:
- key: app
operator: In
values:
- ha-test-app
topologyKey: kubernetes.io/hostname
containers:
- name: nginx
image: nginx:1.25-alpine
ports:
- containerPort: 80
name: http
env:
- name: NODE_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: POD_IP
valueFrom:
fieldRef:
fieldPath: status.podIP
volumeMounts:
- name: nginx-config
mountPath: /usr/share/nginx/html
resources:
requests:
memory: "64Mi"
cpu: "50m"
limits:
memory: "128Mi"
cpu: "100m"
livenessProbe:
httpGet:
path: /
port: 80
initialDelaySeconds: 10
periodSeconds: 10
readinessProbe:
httpGet:
path: /
port: 80
initialDelaySeconds: 5
periodSeconds: 5
volumes:
- name: nginx-config
configMap:
name: nginx-config
---
# Service to expose the deployment
apiVersion: v1
kind: Service
metadata:
name: ha-test-service
namespace: ha-test
labels:
app: ha-test-app
spec:
selector:
app: ha-test-app
ports:
- port: 80
targetPort: 80
protocol: TCP
name: http
type: ClusterIP
---
# NodePort Service for external access (alternative to ingress)
apiVersion: v1
kind: Service
metadata:
name: ha-test-nodeport
namespace: ha-test
labels:
app: ha-test-app
spec:
selector:
app: ha-test-app
ports:
- port: 80
targetPort: 80
nodePort: 30080
protocol: TCP
name: http
type: NodePort
---
# HorizontalPodAutoscaler for testing scaling
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
name: ha-test-hpa
namespace: ha-test
spec:
scaleTargetRef:
apiVersion: apps/v1
kind: Deployment
name: ha-test-app
minReplicas: 3
maxReplicas: 12
metrics:
- type: Resource
resource:
name: cpu
target:
type: Utilization
averageUtilization: 70
---
# PodDisruptionBudget for HA
apiVersion: policy/v1
kind: PodDisruptionBudget
metadata:
name: ha-test-pdb
namespace: ha-test
spec:
minAvailable: 2
selector:
matchLabels:
app: ha-test-app