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|
apiVersion: apps/v1
kind: Deployment
metadata:
name: git-server
namespace: cicd
labels:
app: git-server
spec:
replicas: 1
# Recreate so the old pod fully terminates before the new one starts —
# avoids NFS-lock races on the hostPath-backed PVC during rolling updates.
strategy:
type: Recreate
selector:
matchLabels:
app: git-server
template:
metadata:
labels:
app: git-server
spec:
securityContext:
fsGroup: 33
initContainers:
- name: nfs-check-repos
image: busybox:stable
command:
- sh
- -c
- |
test -f /mnt/.nfs-sentinel || (
echo "ERROR: NFS sentinel missing at /mnt/.nfs-sentinel"
echo "refusing to start; node likely has NFS unmounted"
echo "pod would otherwise bind-mount the local-XFS shadow"
exit 1
)
volumeMounts:
- name: repos
mountPath: /mnt
readOnly: true
- name: setup
image: alpine:3.19
command:
- /bin/sh
- -c
- |
# Install openssh for key generation
apk add --no-cache openssh
# Setup SSH host keys - only generate if they don't exist (persist across restarts)
mkdir -p /ssh-persistent
if [ ! -f /ssh-persistent/ssh_host_ed25519_key ]; then
echo "Generating new SSH host keys (first time setup)..."
ssh-keygen -A -f /ssh-persistent/..
mv /ssh-persistent/../etc/ssh/ssh_host_* /ssh-persistent/ 2>/dev/null || true
chown -R 1001:33 /ssh-persistent
chmod 600 /ssh-persistent/ssh_host_*_key
chmod 644 /ssh-persistent/ssh_host_*_key.pub
else
echo "SSH host keys already exist, reusing them."
fi
# Copy sshd_config if not exists
if [ ! -f /ssh-persistent/sshd_config ]; then
echo "Copying sshd_config to persistent storage..."
cp /sshd-config/sshd_config /ssh-persistent/sshd_config
chown 1001:33 /ssh-persistent/sshd_config
chmod 644 /ssh-persistent/sshd_config
fi
# Copy SSH host keys from NFS to local emptyDir
# OpenSSH refuses to load keys from NFS for security reasons
echo "Copying SSH keys to local storage..."
cp -a /ssh-persistent/* /ssh-local/
chown -R 1001:33 /ssh-local
chmod 755 /ssh-local
chmod 600 /ssh-local/ssh_host_*_key
chmod 644 /ssh-local/ssh_host_*_key.pub
chmod 644 /ssh-local/sshd_config
# Setup authorized_keys with correct ownership
# The /ssh-git mount point IS the .ssh directory
# UID 1001 and GID 33 match the NFS file ownership
cp /ssh-keys-secret/authorized_keys /ssh-git/authorized_keys
chown -R 1001:33 /ssh-git
chmod 755 /ssh-git
chmod 644 /ssh-git/authorized_keys
volumeMounts:
- name: repos
mountPath: /ssh-persistent
subPath: ssh-keys
- name: ssh-host-keys
mountPath: /ssh-local
- name: git-ssh-keys
mountPath: /ssh-keys-secret
readOnly: true
- name: git-ssh-writable
mountPath: /ssh-git
- name: sshd-config
mountPath: /sshd-config
readOnly: true
- name: install-git-http-backend
image: alpine:3.19
command:
- /bin/sh
- -c
- |
# Install git-daemon package (includes git-http-backend)
apk add --no-cache git-daemon
# Copy git-http-backend to shared volume
mkdir -p /git-binaries
cp /usr/libexec/git-core/git-http-backend /git-binaries/
chmod 755 /git-binaries/git-http-backend
volumeMounts:
- name: cgit-runtime
mountPath: /git-binaries
containers:
# Container 1: SSH Git Server
- name: git-server
image: registry.lan.buetow.org:30001/git-server:1.0
imagePullPolicy: Always
ports:
- containerPort: 22
name: ssh
protocol: TCP
volumeMounts:
- name: repos
mountPath: /repos
subPath: repos
- name: git-ssh-writable
mountPath: /home/git/.ssh
- name: ssh-host-keys
mountPath: /etc/ssh
securityContext:
runAsUser: 1001
runAsGroup: 33
allowPrivilegeEscalation: false
capabilities:
drop: ["ALL"]
resources:
requests:
cpu: 50m
memory: 128Mi
limits:
cpu: 250m
memory: 256Mi
# Container 2: CGit Web UI + git-http-backend
- name: cgit
image: joseluisq/alpine-cgit:latest
command: ["/bin/sh", "-c"]
args:
- |
# Add git safe.directory exception for repository ownership
git config --global --add safe.directory /repos/conf.git
# Configure git repository for HTTP access
git config --file /repos/conf.git/config http.receivepack true
git config --file /repos/conf.git/config http.uploadpack true
# Copy nginx configs to writable location and modify them
cp /etc/nginx/nginx.conf /tmp/nginx.conf
cp -r /etc/nginx/conf.d /tmp/conf.d
cp /etc/nginx/fastcgi_params /tmp/fastcgi_params
sed -i 's/^user nginx;//' /tmp/nginx.conf
sed -i 's|pid /var/run/nginx.pid;|pid /tmp/nginx.pid;|' /tmp/nginx.conf
sed -i 's|/etc/nginx/conf.d/|/tmp/conf.d/|' /tmp/nginx.conf
# Update default.conf to use /tmp socket for cgit
sed -i 's|unix:/var/run/fcgiwrap.sock|unix:/tmp/fcgiwrap.sock|' /tmp/conf.d/default.conf
# Add git-http-backend location to default.conf (insert before the cgit location)
# Find the server block and add the location directive
# Note: git-http-backend is copied to /tmp by initContainer
sed -i '/location \/ {/i \
# Git HTTP backend for clone/fetch/pull operations\
location ~ ^/([^/]+\\.git)/(.*) {\
fastcgi_pass unix:/tmp/fcgiwrap.sock;\
fastcgi_param SCRIPT_FILENAME /tmp/git-http-backend;\
fastcgi_param GIT_PROJECT_ROOT /repos;\
fastcgi_param GIT_HTTP_EXPORT_ALL "";\
fastcgi_param PATH_INFO /$1/$2;\
fastcgi_param REMOTE_USER $remote_user;\
include /tmp/fastcgi_params;\
# Increase timeouts for git operations (clones can be large)\
fastcgi_read_timeout 300s;\
fastcgi_send_timeout 300s;\
fastcgi_buffering off;\
}\
' /tmp/conf.d/default.conf
# Start fcgiwrap with socket in /tmp
spawn-fcgi -s /tmp/fcgiwrap.sock -n -- /usr/bin/fcgiwrap &
sleep 1
chmod 666 /tmp/fcgiwrap.sock
exec nginx -c /tmp/nginx.conf -g 'daemon off;'
ports:
- containerPort: 80
name: http
protocol: TCP
env:
- name: HOME
value: "/tmp"
- name: CGIT_TITLE
value: "f3s Git Repository Browser"
- name: CGIT_DESC
value: "Browse git repositories"
- name: USE_CUSTOM_CONFIG
value: "true"
volumeMounts:
- name: repos
mountPath: /repos
subPath: repos
readOnly: false
- name: cgit-config
mountPath: /etc/cgitrc
subPath: cgitrc
readOnly: true
- name: cgit-runtime
mountPath: /tmp
securityContext:
runAsUser: 33
runAsGroup: 33
allowPrivilegeEscalation: false
capabilities:
drop: ["ALL"]
resources:
requests:
cpu: 50m
memory: 128Mi
limits:
cpu: 250m
memory: 256Mi
volumes:
- name: repos
persistentVolumeClaim:
claimName: git-server-pvc
- name: git-ssh-keys
secret:
secretName: git-server-authorized-keys
defaultMode: 0400
- name: git-ssh-writable
emptyDir: {}
- name: cgit-config
configMap:
name: cgit-config
- name: sshd-config
configMap:
name: git-server-sshd-config
- name: ssh-host-keys
emptyDir: {}
- name: cgit-runtime
emptyDir: {}
|
