initial commit

This commit is contained in:
2026-08-22 15:17:22 +01:00
parent 2b74f91d43
commit b3b86eb802
11 changed files with 658 additions and 1 deletions
+34
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#!/usr/bin/env bash
set -euo pipefail
event_name="${GITHUB_EVENT_NAME:-}"
git_ref="${GITHUB_REF:-}"
if [[ "$event_name" != "push" || "$git_ref" != "refs/heads/main" ]]; then
echo "Skipping bootstrap apply: only push events on main may apply"
exit 0
fi
if [[ ! -f bootstrap/config.yaml ]] || ! grep -Eq '^[[:space:]]*enabled:[[:space:]]*true[[:space:]]*$' bootstrap/config.yaml; then
echo "Skipping bootstrap apply: bootstrap/config.yaml is not enabled"
exit 0
fi
if [[ -z "${KUBECONFIG_B64:-}" ]]; then
echo "KUBECONFIG_B64 secret is required to apply bootstrap/applicationset.yaml"
exit 1
fi
curl -fsSL "https://dl.k8s.io/release/$(curl -fsSL https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" \
-o /usr/local/bin/kubectl
chmod +x /usr/local/bin/kubectl
mkdir -p "${HOME}/.kube"
printf '%s' "$KUBECONFIG_B64" | base64 -d > "${HOME}/.kube/config"
if ! kubectl config current-context >/dev/null 2>&1; then
echo "Skipping bootstrap apply: kubeconfig secret is not usable in this runner"
exit 0
fi
kubectl apply -f bootstrap/applicationset.yaml
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#!/usr/bin/env bash
set -euo pipefail
bootstrap_enabled=false
if [ -f bootstrap/config.yaml ] && grep -Eq '^[[:space:]]*enabled:[[:space:]]*true[[:space:]]*$' bootstrap/config.yaml; then
bootstrap_enabled=true
fi
mapfile -t manifests < <(
find . -type f -name '*.yaml' \
! -path './.gitea/*' \
! -path './manifest/components/example-component/*' \
! -name '*kustomization.yaml' \
! -path './bootstrap/config.yaml' \
| sort
)
if [ "$bootstrap_enabled" != "true" ]; then
filtered=()
for manifest in "${manifests[@]}"; do
[ "$manifest" = "./bootstrap/applicationset.yaml" ] && continue
filtered+=("$manifest")
done
manifests=("${filtered[@]}")
fi
if [ "${#manifests[@]}" -eq 0 ]; then
echo "No manifests found"
exit 0
fi
printf '%s\n' "${manifests[@]}" \
| xargs kubeconform \
-strict \
-kubernetes-version 1.35.0 \
-schema-location default \
-schema-location 'http://gitea-ha-http.apps:3000/olb042/kubeconform/raw/branch/main/crdSchemas/{{ .ResourceKind }}_{{ .ResourceAPIVersion }}.json' \
-summary
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#!/usr/bin/env bash
set -euo pipefail
usage() {
cat <<'USAGE'
Usage:
scripts/init-template \
--repo-name my-app
Optional:
--dry-run
--repo-url https://git.olb42.com/olb42/my-app.git
--namespace my-app
--release-name my-app
--hostname my-app.example.com
USAGE
}
die() {
echo "Error: $*" >&2
exit 1
}
add_error() {
errors+=("$*")
}
add_warning() {
warnings+=("$*")
}
validate_dns_label() {
local value="$1"
[[ ${#value} -le 63 && "$value" =~ ^[a-z0-9]([-a-z0-9]*[a-z0-9])?$ ]]
}
validate_hostname() {
local value="$1"
[[ ${#value} -le 253 && "$value" != .* && "$value" != *. ]] || return 1
local old_ifs="$IFS"
local labels=()
IFS='.'
read -r -a labels <<< "$value"
IFS="$old_ifs"
local label
for label in "${labels[@]}"; do
validate_dns_label "$label" || return 1
done
}
print_preflight() {
local status="$1"
echo "Preflight checks for $repo_name"
echo " template: $template_dir_real"
echo " target: $target_dir"
echo " repo URL: $repo_url"
echo " namespace: $namespace"
echo " hostname: $hostname"
echo
if [[ ${#warnings[@]} -gt 0 ]]; then
echo "Warnings:"
local warning
for warning in "${warnings[@]}"; do
echo " - $warning"
done
echo
fi
if [[ ${#errors[@]} -gt 0 ]]; then
echo "Failures:"
local error
for error in "${errors[@]}"; do
echo " - $error"
done
echo
echo "$status"
return 1
fi
echo "$status"
}
run_preflight() {
local include_remote_check="${1:-false}"
errors=()
warnings=()
command -v git >/dev/null 2>&1 || add_error "git is required"
command -v python3 >/dev/null 2>&1 || add_error "python3 is required"
command -v cp >/dev/null 2>&1 || add_error "cp is required"
if [[ -z "$repo_name" ]]; then
add_error "--repo-name is required"
elif [[ ! "$repo_name" =~ ^[a-z0-9]([-a-z0-9]*[a-z0-9])?$ ]]; then
add_error "--repo-name must be kebab-case using lowercase letters, numbers, and hyphens"
fi
if [[ -z "$template_dir_real" ]]; then
add_error "template directory not found: $template_dir"
elif [[ "$current_dir/" != "$template_dir_real"/* ]]; then
add_error "run this script from $template_dir or one of its subdirectories"
elif [[ ! -d "$template_dir_real/.git" ]]; then
add_error "template directory is not a git repository: $template_dir_real"
else
local branch
branch="$(git -C "$template_dir_real" branch --show-current 2>/dev/null || true)"
[[ "$branch" == "init" ]] || add_warning "template branch is '$branch', expected 'init'"
fi
if [[ -d "$apps_dir" ]]; then
[[ -w "$apps_dir" ]] || add_error "apps directory is not writable: $apps_dir"
else
local apps_parent
apps_parent="$(dirname "$apps_dir")"
[[ -d "$apps_parent" && -w "$apps_parent" ]] || add_error "cannot create apps directory under: $apps_parent"
fi
[[ -e "$target_dir" ]] && add_error "target directory already exists: $target_dir"
validate_dns_label "$namespace" || add_error "--namespace must be a valid Kubernetes DNS label"
validate_dns_label "$release_name" || add_error "--release-name must be a valid Helm release name"
validate_hostname "$hostname" || add_error "--hostname must be a valid DNS hostname"
[[ "$repo_url" == *$'\n'* || "$repo_url" == *$'\r'* ]] && add_error "--repo-url must not contain newlines"
[[ "$repo_url" =~ ^https://git\.olb42\.com/olb42/[a-z0-9]([-a-z0-9]*[a-z0-9])?\.git$ ]] || add_error "--repo-url must match https://git.olb42.com/olb42/<kebab-repo>.git"
[[ "$repo_url" == "https://git.olb42.com/olb42/$repo_name.git" ]] || add_warning "--repo-url does not match --repo-name"
if [[ "$include_remote_check" == true && ${#errors[@]} -eq 0 ]]; then
local remote_output
remote_output="$(GIT_TERMINAL_PROMPT=0 git ls-remote --heads "$repo_url" main init 2>&1 || true)"
if printf '%s\n' "$remote_output" | grep -q 'refs/heads/'; then
add_error "remote already has main/init branches at $repo_url"
else
local remote_check_output
remote_check_output="$(GIT_TERMINAL_PROMPT=0 git ls-remote "$repo_url" 2>&1 || true)"
if printf '%s\n' "$remote_check_output" | grep -qi '^fatal:'; then
add_error "remote repository is not reachable without prompting: $repo_url ($remote_check_output)"
fi
fi
fi
}
repo_name=""
repo_url=""
namespace=""
release_name=""
hostname=""
dry_run=false
errors=()
warnings=()
while [[ $# -gt 0 ]]; do
case "$1" in
--repo-name) [[ $# -ge 2 ]] || die "--repo-name requires a value"; repo_name="$2"; shift 2 ;;
--repo-url) [[ $# -ge 2 ]] || die "--repo-url requires a value"; repo_url="$2"; shift 2 ;;
--namespace) [[ $# -ge 2 ]] || die "--namespace requires a value"; namespace="$2"; shift 2 ;;
--release-name) [[ $# -ge 2 ]] || die "--release-name requires a value"; release_name="$2"; shift 2 ;;
--hostname) [[ $# -ge 2 ]] || die "--hostname requires a value"; hostname="$2"; shift 2 ;;
--dry-run) dry_run=true; shift ;;
-h|--help) usage; exit 0 ;;
*) echo "Unknown argument: $1"; usage; exit 1 ;;
esac
done
template_dir="$HOME/devops/infra/templates/template"
apps_dir="$HOME/devops/apps"
target_dir="$apps_dir/$repo_name"
current_dir="$(pwd -P)"
template_dir_real="$(cd "$template_dir" 2>/dev/null && pwd -P || true)"
repo_url="${repo_url:-https://git.olb42.com/olb42/$repo_name.git}"
release_name="${release_name:-$repo_name}"
hostname="${hostname:-$repo_name.olb42.com}"
namespace="${namespace:-$repo_name}"
run_preflight "$dry_run"
if [[ "$dry_run" == true ]]; then
if [[ ${#errors[@]} -gt 0 ]]; then
print_preflight "Dry run failed. No files were copied."
exit 1
fi
print_preflight "Dry run passed. No files were copied."
exit 0
fi
if [[ ${#errors[@]} -gt 0 ]]; then
usage
print_preflight "Template initialization failed before copying files." >&2
exit 1
fi
mkdir -p "$apps_dir"
cp -a "$template_dir_real" "$target_dir"
cd "$target_dir"
git reset --mixed >/dev/null
python3 - "$repo_name" "$repo_url" "$namespace" "$release_name" "$hostname" <<'PY'
from pathlib import Path
import sys
repo_name, repo_url, namespace, release_name, hostname = sys.argv[1:]
replacements = {
"${REPO_NAME_KEBAB}": repo_name,
"${REPO_HTTPS_URL}": repo_url,
"${APP_NAMESPACE}": namespace,
"${HELM_RELEASE_NAME}": release_name,
"${APP_HOSTNAME}": hostname,
}
for path in Path(".").rglob("*"):
if not path.is_file():
continue
if ".git" in path.parts or path.name == "init-template":
continue
try:
text = path.read_text()
except UnicodeDecodeError:
continue
original = text
for old, new in replacements.items():
text = text.replace(old, new)
if text != original:
path.write_text(text)
PY
git branch -M main
while IFS= read -r remote; do
git remote remove "$remote"
done < <(git remote)
git remote add origin "$repo_url"
echo "Template initialized for $repo_name"
echo "Created $target_dir"
echo "Remote origin: $repo_url"
echo "Next: review manifest/overlays/production and push main"
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replace_repo_name_kebab() {
local replacement="$1"
if [[ -z "$replacement" ]]; then
echo "Usage: replace_repo_name_kebab <replacement>"
return 1
fi
find . -type f ! -path './.git/*' -exec perl -pi -e 's/\$\{REPO_NAME_KEBAB}/$ARGV[0]/g' "$replacement" {} +
}