Release of DTail v1.0.0v1.0.0

4 files changed, 94 insertions, 0 deletions

diff --git a/samples/check_dserver.sh.sample b/samples/check_dserver.sh.sample
new file mode 100755
index 0000000..96c96de
--- /dev/null
+++ b/samples/check_dserver.sh.sample
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+declare -r CONFIG_FILE=/etc/dserver/dtail.json
+exec /usr/local/bin/dtail --cfg $CONFIG_FILE --checkHealth
diff --git a/samples/dserver.service.sample b/samples/dserver.service.sample
new file mode 100644
index 0000000..c5e5e59
--- /dev/null
+++ b/samples/dserver.service.sample
@@ -0,0 +1,19 @@
+[Unit]
+Description=DTail server
+After=network.target
+
+[Service]
+Slice=dserver.slice
+User=dserver
+Group=dserver
+ExecStart=/usr/local/bin/dserver -cfg /etc/dserver/dtail.json
+WorkingDirectory=/var/run/dserver
+NoNewPrivileges=true
+PrivateDevices=true
+PrivateTmp=true
+CPUAccounting=true
+MemoryAccounting=true
+BlockIOAccounting=true
+
+[Install]
+WantedBy=multi-user.target
diff --git a/samples/dtail.json.sample b/samples/dtail.json.sample
new file mode 100644
index 0000000..99c0a73
--- /dev/null
+++ b/samples/dtail.json.sample
@@ -0,0 +1,38 @@
+{
+  "Client": {},
+  "Server": {
+    "SSHBindAddress": "0.0.0.0",
+    "MaxConcurrentCats": 2,
+    "MaxConcurrentTails": 50,
+    "MaxConnections": 50,
+    "MapreduceLogFormat" : "default",
+    "HostKeyFile" : "cache/ssh_host_key",
+    "HostKeyBits" : 2048,
+    "Permissions": {
+      "Default": [
+        "^/.*$"
+      ],
+      "Users": {
+        "pbuetow": [
+          "^/.*$"
+        ],
+        "jblake": [
+          "^/tmp/foo.log$",
+          "^/.*$",
+          "!^/tmp/bar.log$"
+        ]
+      }
+    }
+  },
+  "Common": {
+    "LogDir" : "log",
+    "CacheDir" : "cache",
+    "LogStrategy": "daily",
+    "SSHPort": 2222,
+    "DebugEnable": false,
+    "PPerfEnable": false,
+    "PPerfPort": 6060,
+    "PPerfBindAddress": "0.0.0.0",
+    "ExperimentalFeaturesEnable": false
+  }
+}
diff --git a/samples/update_key_cache.sh.sample b/samples/update_key_cache.sh.sample
new file mode 100644
index 0000000..9817f04
--- /dev/null
+++ b/samples/update_key_cache.sh.sample
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+declare -r CACHEDIR=/var/run/dserver/cache
+declare -r DSERVER_USER=dserver
+
+echo "Updating SSH key cache"
+
+ls /home/ | while read remoteuser; do
+    keysfile=/home/$remoteuser/.ssh/authorized_keys
+
+    if [ -f $keysfile ]; then
+        cachefile=$CACHEDIR/$remoteuser.authorized_keys
+        echo "Caching $keysfile -> $cachefile"
+
+        cp $keysfile $cachefile
+        chown $DSERVER_USER $cachefile
+        chmod 600 $cachefile
+    fi
+done
+
+# Cleanup obsolete public SSH keys
+find $CACHEDIR -name \*.authorized_keys -type f |
+while read cachefile; do
+    remoteuser=$(basename $cachefile | cut -d. -f1)
+    keysfile=/home/$remoteuser/.ssh/authorized_keys
+
+    if [ ! -f $keysfile ]; then
+        echo "Deleting obsolete cache file $cachefile"
+        rm $cachefile
+    fi
+done
+
+echo "All set..."