nfs-server

Makefile

@@ -1,4 +1,4 @@
-images=agate archivebox ansible backup buku ddclient git-daemon gitolite gitolite-pystagit rss-bridge pleroma sassc syncthing tasks tor transmission vdirsyncer xandikos
+images=agate archivebox ansible backup buku ddclient git-daemon gitolite gitolite-pystagit rss-bridge pleroma sassc syncthing tasks tor transmission vdirsyncer xandikos nfs-server
 .PHONY: all $(images)
 all: $(images)
 
@@ -31,6 +31,9 @@ gitolite:
 gitolite-pystagit:
 	$(BUILD)
 
+nfs-server:
+	$(BUILD)
+
 rss-bridge:
 	$(BUILD)
 

README.md

@@ -27,6 +27,7 @@ useful.
 * gitolite-pystagit: well, gitolite + pystagit
 * gitolite: gitolite + docker, so that I can mount the docker socket inside of
   it and have it do useful things through docker in response to triggers
+* nfs-server
 * pleroma
 * sassc
 * syncthing

nfs-server/Dockerfile

@@ -0,0 +1,15 @@
+FROM alpine:3.13
+
+COPY entrypoint.sh /usr/local/bin/entrypoint
+
+RUN apk add --no-cache nfs-utils && \
+    rm /etc/idmapd.conf /etc/exports && \
+    mkdir -p /var/lib/nfs/rpc_pipefs /var/lib/nfs/v4recovery && \
+    echo "rpc_pipefs  /var/lib/nfs/rpc_pipefs  rpc_pipefs  defaults  0  0" >> /etc/fstab && \
+    echo "nfsd        /proc/fs/nfsd            nfsd        defaults  0  0" >> /etc/fstab && \
+    chmod +x /usr/local/bin/entrypoint
+
+EXPOSE 2049
+ENTRYPOINT ["/usr/local/bin/entrypoint"]
+
+

nfs-server/Makefile

@@ -0,0 +1,10 @@
+USERNAME = rilla
+IMG_NAME = nfs-server
+
+.PHONY: build build-nc
+
+build: Dockerfile entrypoint.sh
+	docker build -t $(USERNAME)/$(IMG_NAME) .
+
+build-nc: Dockerfile entrypoint.sh
+	docker build --no-cache -t $(USERNAME)/$(IMG_NAME) .

nfs-server/entrypoint.sh

@@ -0,0 +1,72 @@
+#!/bin/sh
+
+NTHREADS=${NTHREADS:=1}
+
+stop () {
+    echo "un-exporting filesystems"
+    /usr/sbin/exportfs -uav
+
+    echo "terminating nfsd"
+    /usr/sbin/rpc.nfsd 0
+
+    echo "killing pids"
+    pid1=$(pidof rpc.nfsd)
+    pid2=$(pidof rpc.mountd)
+    pid3=$(pidof rpc.rpcbind)
+    kill -TERM "$pid1" "$pid2" "$pid3"
+
+    echo "un-mounting /var/lib/nfs/rpc_pipefs"
+    umount /var/lib/nfs/rpc_pipefs
+
+    echo "un-mounting /proc/nfs/nfsd"
+    umount /proc/fs/nfsd
+
+    exit 0
+}
+
+boot () {
+
+    echo "mounting /var/lib/nfs/rpc_pipefs"
+    /bin/mount -t rpc_pipefs /var/lib/nfs/rpc_pipefs
+    echo "mounting /proc/fs/nfsd"
+    /bin/mount -t nfsd /proc/fs/nfsd
+
+    echo "starting rpcbind"
+    /sbin/rpcbind -sw
+    /sbin/rpcinfo
+
+    echo "exporting filesystems"
+    /usr/sbin/exportfs -ar
+    cat /etc/exports
+
+    echo "starting mountd"
+    /usr/sbin/rpc.mountd \
+        --port 32767 \
+        --nfs-version 4 \
+        --no-nfs-version 2 \
+        --no-nfs-version 3
+
+    echo "starting nfsd"
+    /usr/sbin/rpc.nfsd \
+        --tcp \
+        --udp \
+        --port 2049 \
+        --nfs-version 4 \
+        --no-nfs-version 2 \
+        --no-nfs-version 3 \
+        "${NTHREADS}"
+
+    echo "terminating rpcbind"
+    pid=$(pidof rpcbind)
+    [ -n "$pid" ] && kill "$pid"
+
+    echo "ready"
+}
+
+trap stop TERM INT
+boot
+
+while :; do
+    sleep 2073600 &
+    wait
+done