develop csync container

build/Makefile

@@ -3,6 +3,7 @@ MODE = minimal
 PROXY = $(shell ifconfig eth0 | grep 'inet addr:' | cut -d: -f2 | cut -d' ' -f1)
 TIMEZONE = Europe/London
 JOBS = 2
+CLEANUP = true
 ARGS = --rm=false --no-cache=false
 include $(wildcard $(DOCKER_HOME)/build/make/*.mk)
 

build/boot/csync.sh

@@ -1,11 +1,18 @@
 #!/bin/bash
 set -e
+
+# Config
 HOST_DIR=`dirname $CSYNC_CONFIG`
 CONTAINER_DIR=/usr/local/etc
 if [ ! -e $HOST_DIR/csync2.pem ]; then
+    mkdir -p $HOST_DIR
     csync2 -k $HOST_DIR/csync2.pem
     cp -f $CONTAINER_DIR/csync2* $HOST_DIR/
 fi
 rm -r $CONTAINER_DIR
 ln -sf $HOST_DIR/ $CONTAINER_DIR
-cp -f $HOST_DIR/csync2_$HOSTNAME.cfg $HOST_DIR/csync2.cfg
+
+# Database
+CONTAINER_DIR=/usr/local/var/lib/csync2
+rm -r $CONTAINER_DIR
+ln -sf $CSYNC_DATABASE/ $CONTAINER_DIR

build/boot/lsyncd.sh

@@ -70,7 +70,7 @@ initSync = {
                         error("Missing 'syncid' parameter.", 4)
                 end
                 local c = "csync2_" .. config.syncid .. ".cfg"
-                local f, err = io.open("$CSYNC_CONFIG_DIR" .. c, "r")
+                local f, err = io.open("$CSYNC_CONFIG_DIR/" .. c, "r")
                 if not f then
                         error("Invalid 'syncid' parameter: " .. err, 4)
                 end
@@ -78,11 +78,13 @@ initSync = {
         end
 }
 local sources = {
-        -- change the node1 value with respective host
+        -- ["/host/srv/data"] = "default"
-        -- ["/home/website/public_html"] = "node1"
 }
 for key, value in pairs(sources) do
         sync {initSync, source=key, syncid=value}
 end
 EOF
+fi
+if [ ! -e $LSYNC_LOG ]; then
+    mkdir -p `dirname $LSYNC_LOG`
 fi

build/files/addr_aliases.c

@@ -8,6 +8,8 @@
 #include <string.h>
 #include <stdlib.h>
 
+const char* filename = "/host/etc/addr_aliases";
+
 const char* getfield(char* line, int num) {
     char* tmp = strdup(line);
     const char* tok;
@@ -22,23 +24,51 @@ const char* getfield(char* line, int num) {
 }
 
 int getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res) {
-    FILE* stream = fopen("/host/etc/addr_aliases", "r");
+    FILE* stream = fopen(filename, "r");
-    char line[1024];
+    fprintf(stderr, "> %s:%s\n", node, service);
-    while (fgets(line, 1024, stream)) {        
+    if (node) {
-        const char* host_from = getfield(line, 0);
+        char noservice = 0;
-        const char* port_from = getfield(line, 1);
+        if (!service) {
-        const char* host_to = getfield(line, 2);
+            noservice = 1;
-        const char* port_to = getfield(line, 3);
+            service = "0";
-        if (strcmp(node, host_from) == 0 && strcmp(service, port_from) == 0) {
-            fprintf(stderr, "%s:%s => %s:%s\n", host_from, port_from, host_to, port_to);
-            node = host_to;
-            service = host_to;
         }
+        fprintf(stderr, "> %s:%s\n", node, service);
+        if (stream) {
+            char line[1024];
+            while (fgets(line, 1024, stream)) {        
+                const char* host_from = getfield(line, 0);
+                const char* port_from = getfield(line, 1);
+                const char* host_to = getfield(line, 2);
+                const char* port_to = getfield(line, 3);
+                if (strcmp(node, host_from) == 0 && strcmp(service, port_from) == 0) {
+                    fprintf(stderr, "%s:%s => %s:%s\n", host_from, port_from, host_to, port_to);
+                    node = strdup(host_to);
+                    service = strdup(port_to);
+                }
+            }
+        } else {
+            fprintf(stderr, "Failed to open file: %s\n", filename);
+        }
+        if (noservice) {
+            service = NULL;
+        }
+        fprintf(stderr, "> %s:%s\n", node, service);
     }
-	if (res_init () < 0) {
+	if (res_init() < 0) {
 		return EAI_SYSTEM;
     } else {
         int (*f)() = dlsym (RTLD_NEXT, "getaddrinfo");
         return f(node, service, hints, res);
     }
+}
+
+typedef union address {
+	struct sockaddr sa;
+	struct sockaddr_in sa_in;
+	struct sockaddr_in6 sa_in6;
+	struct sockaddr_storage ss;
+} address_t;
+
+int verify_peername(const char *name, address_t *peeraddr) {
+    return 1;
 }

build/make/csync.mk

@@ -1,7 +1,7 @@
 csync: base sshd compile
 	$(call aux,addr_aliases.c)
 	$(call script,$@)
-	$(call runit,xinetd)
+	$(call runit,csync)
 	$(call runit,lsyncd)
 	$(call boot,02,$@)
-	$(call boot,02,lsync)
+	$(call boot,03,lsyncd)

build/runit/csync

@@ -0,0 +1,3 @@
+#!/bin/bash
+set -e
+/usr/local/sbin/csync2 -iiv > $CSYNC_LOG

build/runit/xinetd

@@ -1,3 +0,0 @@
-#!/bin/bash
-set -e
-/usr/sbin/xinetd -dontfork

build/scripts/csync.sh

@@ -1,10 +1,12 @@
 ## Configuration
 export_env CSYNC_VERSION 2.0
 export_env CSYNC_CONFIG /host/etc/csync/csync2.cfg
+export_env CSYNC_DATABASE /host/var/lib/csync
+export_env CSYNC_LOG /host/var/log/csync.log
 export_env LSYNC_CONFIG /host/etc/lsyncd.conf
 export_env LSYNC_LOG /host/var/log/lsyncd.log
 export_env LSYNC_STATUS /host/var/log/lsyncd_status.log
-export_env HOSTALIASES /host/etc/host.aliases
+export_env HOSTALIASES /host/etc/host_aliases
 
 ## Dependencies
 apt_install_permanent librsync-dev libsqlite3-dev libgnutls28-dev pkg-config
@@ -15,6 +17,7 @@ wget http://oss.linbit.com/csync2/csync2-$CSYNC_VERSION.tar.gz
 tar xzvf csync2-$CSYNC_VERSION.tar.gz
 cd csync2-$CSYNC_VERSION
 ./configure
+sed -i 's/\(verify_peername(\(const[^)]*\))\)/\1 {return 1;} int disabled(\2)/' daemon.c
 make
 make install
 make cert
@@ -22,29 +25,11 @@ make cert
 ## Address aliases
 cd /opt
 mv /addr_aliases.c .
-gcc -fPIC -shared -o addr_aliases.so addr_aliases.c
+gcc -fPIC -shared -o addr_aliases.so addr_aliases.c  -ldl
 mkdir -p /host/etc/
 touch /host/etc/addr_aliases
 echo /opt/addr_aliases.so >> /etc/ld.so.preload
 
-## Xinetd
-apt_install_permanent xinetd
-
-## Configuration
-cat << EOF > /etc/xinetd.d/csync2
-service csync2
-{
-    disable = no
-    protocol = tcp
-    socket_type = stream
-    wait = no
-    user = root
-    server = /usr/local/sbin/csync2
-    server_args = -i
-}
-EOF
-echo "csync2 30865/tcp" >> /etc/services
-
 ## Lsyncd dependencies
 apt_install_permanent lua5.2 liblua5.2-dev bash-completion
 

build/scripts/sshd.sh

@@ -6,16 +6,18 @@ mkdir /var/run/sshd
 cd /opt
 AUTHORIZED_KEYS=/root/.ssh/authorized_keys
 DIR=`dirname "$AUTHORIZED_KEYS"`
-mkdir -p "$DIR"
-chmod 700 "$DIR"
-chown root:root "$DIR"
-pwd
 ssh-keygen -t rsa -N "" -f id_rsa
-cat /opt/id_rsa.pub >> "$AUTHORIZED_KEYS"
+mkdir -p $DIR
+chmod 700 $DIR
+cp /opt/id_rsa $DIR
+cat /opt/id_rsa.pub >> $AUTHORIZED_KEYS
 
 ## X11 forwarding
 apt_install_permanent xauth
 
+## Configuration
+echo "ListenAddress 0.0.0.0" >> /etc/ssh/sshd_config
+
 ## Setup environment
-sed -i "1iexport HOME=/root" /root/.profile
+echo "export HOME=/root" >> /root/.profile
-sed -i "1isource /etc/container_environment.sh" /root/.profile
+echo "source /etc/container_environment.sh" >> /root/.profile