From 71034fbc7f4398ede38a90ec102356399a0af7b2 Mon Sep 17 00:00:00 2001
From: Scott Wallace <scott@wallace.sh>
Date: Sat, 2 Apr 2022 17:09:06 +0100
Subject: [PATCH] Build-in SeaweedFS support

---
 Dockerfile                                    | 26 +++++++++++--------
 ...ose.yaml => docker-compose-lighthouse.yaml |  9 ++++---
 docker-compose-node.yaml                      | 17 ++++++++++++
 docker-entrypoint.sh                          | 24 +++--------------
 nebula-start.sh                               | 23 ++++++++++++++++
 seaweedfs-start.sh                            | 10 +++++++
 6 files changed, 73 insertions(+), 36 deletions(-)
 rename docker-compose.yaml => docker-compose-lighthouse.yaml (66%)
 create mode 100644 docker-compose-node.yaml
 create mode 100644 nebula-start.sh
 create mode 100644 seaweedfs-start.sh

diff --git a/Dockerfile b/Dockerfile
index 2d38b64..c2d84d3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.14 as intermediate
+FROM alpine:3.15 as intermediate
 
 RUN mkdir /src
 WORKDIR /src
@@ -6,27 +6,31 @@ WORKDIR /src
 # Install the build tools
 RUN apk add git go make
 
-# Fetch the source
+# Fetch the Nebula source
 RUN git clone https://github.com/slackhq/nebula.git
 
-# Compile the Linux binaries for all platforms
+# Compile the Nebula GNU/Linux binaries for all platforms
 WORKDIR /src/nebula
-RUN echo 'bin-linux: $(ALL_LINUX:%=build/%/nebula) $(ALL_LINUX:%=build/%/nebula-cert)' >> Makefile
-RUN make bin-linux
+RUN make bin
+
+RUN go get github.com/chrislusf/seaweedfs/weed
 
 # Start from a clean image
-FROM alpine:3.14
+FROM alpine:3.15
 
 RUN mkdir /app
 WORKDIR /app
 
 # Copy over the compiled binaries
-COPY --from=intermediate /src/nebula/build ./
+COPY --from=intermediate /src/nebula/nebula ./
+COPY --from=intermediate /src/nebula/nebula-cert ./
+COPY --from=intermediate /root/go/bin/weed ./
 
-# Rename the directories from `go env` format to `uname` format
-RUN mv linux-amd64 linux-x86_64
-
-COPY docker-entrypoint.sh entrypoint.sh
+COPY nebula-start.sh ./
+COPY seaweedfs-start.sh ./
+COPY docker-entrypoint.sh ./entrypoint.sh
 
 EXPOSE 4242/udp
+EXPOSE 9333/tcp
+EXPOSE 8080/tcp
 ENTRYPOINT [ "/bin/sh", "/app/entrypoint.sh" ]
diff --git a/docker-compose.yaml b/docker-compose-lighthouse.yaml
similarity index 66%
rename from docker-compose.yaml
rename to docker-compose-lighthouse.yaml
index 1845c81..840782f 100644
--- a/docker-compose.yaml
+++ b/docker-compose-lighthouse.yaml
@@ -6,13 +6,14 @@ services:
     image: dcr.wallace.sh/scott/infranet:latest
     volumes:
       - /path/to/infranet/config:/etc/nebula
+      - /path/to/infranet/filestore:/storage
     cap_add:
       - NET_ADMIN
     devices:
       - /dev/net/tun
     environment:
-      - TZ=Europe/London
-    # A Lighthouse should be listening for incoming connections; but not nodes
-    # ports:
-    #   - 4242:4242/udp
+      - TZ=UTC
+      - LIGHTHOUSE=true
+    ports:
+      - 4242:4242/udp
     restart: unless-stopped
diff --git a/docker-compose-node.yaml b/docker-compose-node.yaml
new file mode 100644
index 0000000..a9c8eaa
--- /dev/null
+++ b/docker-compose-node.yaml
@@ -0,0 +1,17 @@
+---
+version: "3"
+services:
+  infranet:
+    container_name: infranet
+    image: dcr.wallace.sh/scott/infranet:latest
+    volumes:
+      - /path/to/infranet/config:/etc/nebula
+      - /path/to/infranet/filestore:/storage
+    cap_add:
+      - NET_ADMIN
+    devices:
+      - /dev/net/tun
+    environment:
+      - TZ=UTC
+      - LIGHTHOUSE=false
+    restart: unless-stopped
diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 6e2f11b..2f6c4e6 100644
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -1,24 +1,6 @@
 #!/bin/sh
 
-ARCH=$(uname -m)
-BIN_DIR=/app/linux-${ARCH}
-DATA_DIR=/etc/nebula
+set -e
 
-# Build host certs if they don't exist
-if ! test -f ${DATA_DIR}/host.crt; then
-    cd ${DATA_DIR} || exit 1
-    # Generate a CSR if it doesn't already exist
-    if ! test -d ${DATA_DIR}/host.csr; then
-        "${BIN_DIR}/nebula-cert" keygen -out-key host.key -out-pub host.csr
-        # shellcheck disable=SC2016
-        echo 'You will need to get the `host.csr` file signed by a cluster admin'
-        exit 3
-    else
-        # shellcheck disable=SC2016
-        echo 'Awaiting for `host.csr` to be signed by a cluster admin'
-        exit 4
-    fi
-fi
-
-# Run the platform-specific binary
-"${BIN_DIR}/nebula" -config ${DATA_DIR}/config.yaml
+/app/nebula-start.sh
+/app/seaweedfs-start.sh
diff --git a/nebula-start.sh b/nebula-start.sh
new file mode 100644
index 0000000..7e92755
--- /dev/null
+++ b/nebula-start.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+BIN_DIR=/app
+DATA_DIR=/etc/nebula
+
+# Build host certs if they don't exist
+if ! test -f ${DATA_DIR}/host.crt; then
+    cd ${DATA_DIR} || exit 1
+    # Generate a CSR if it doesn't already exist
+    if ! test -d ${DATA_DIR}/host.csr; then
+        "${BIN_DIR}/nebula-cert" keygen -out-key host.key -out-pub host.csr
+        # shellcheck disable=SC2016
+        echo 'You will need to get the `host.csr` file signed by a cluster admin'
+        exit 3
+    else
+        # shellcheck disable=SC2016
+        echo 'Awaiting for `host.csr` to be signed by a cluster admin'
+        exit 4
+    fi
+fi
+
+# Run the platform-specific binary
+"${BIN_DIR}/nebula" -config ${DATA_DIR}/config.yaml
diff --git a/seaweedfs-start.sh b/seaweedfs-start.sh
new file mode 100644
index 0000000..2b51263
--- /dev/null
+++ b/seaweedfs-start.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+NEBULA_IP=$(ip -f inet addr show nebula1 | awk '/inet / {print $2}' | cut -f1 -d'/')
+SEAWEEDFS_MASTERS=10.10.100.1:9333 # Need an odd number #,10.10.100.21:9333
+
+if test "${LIGHTHOUSE}" == "true"; then
+    weed master -ip="${NEBULA_IP}" -port=9333 -mdir=/storage -peers=${SEAWEEDFS_MASTERS}
+else
+    weed volume -dir=/storage -port=8080 -mserver=${SEAWEEDFS_MASTERS}
+fi