vpp metrics upload via gmond plugin

The gmond module (gmod) isn't built by default, pending CentOS
packaging work.

Change-Id: I78493a60f431cf9924a28d31ba29423a03aa79b3
Signed-off-by: Dave Barach <dave@barachs.net>

4 files changed, 200 insertions, 0 deletions

diff --git a/gmod/Makefile.am b/gmod/Makefile.am
new file mode 100644
index 00000000..e57f5788
--- /dev/null
+++ b/gmod/Makefile.am
@@ -0,0 +1,27 @@
+# Copyright (c) 2015 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+AUTOMAKE_OPTIONS = foreign subdir-objects
+
+AM_CFLAGS = -Wall 
+
+lib_LTLIBRARIES = libgmodvpp.la
+
+libgmodvpp_la_SOURCES = gmod/mod_vpp.c
+
+libgmodvpp_la_LDFLAGS = -module -avoid-version
+
+libgmodvpp_la_LIBADD = -lsvm -lsvmdb -lvppinfra
+
+gconfdir = $(prefix)/etc/conf.d
+gconf_DATA = gmod/vpp.conf
diff --git a/gmod/configure.ac b/gmod/configure.ac
new file mode 100644
index 00000000..c26ca055
--- /dev/null
+++ b/gmod/configure.ac
@@ -0,0 +1,9 @@
+AC_INIT(gmod, 1.0)
+AM_INIT_AUTOMAKE
+
+AC_PROG_LIBTOOL
+AM_PROG_AS
+AC_PROG_CC
+AM_PROG_CC_C_O
+
+AC_OUTPUT([Makefile])
diff --git a/gmod/gmod/mod_vpp.c b/gmod/gmod/mod_vpp.c
new file mode 100644
index 00000000..951d3528
--- /dev/null
+++ b/gmod/gmod/mod_vpp.c
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gm_metric.h>
+
+#include <stdlib.h>
+#include <strings.h>
+#include <time.h>
+#include <vppinfra/clib.h>
+#include <vppinfra/vec.h>
+#include <vppinfra/hash.h>
+#include <svmdb.h>
+#include <errno.h>
+
+mmodule vpp_module;
+static svmdb_client_t *svmdb_client;
+
+static int vpp_metric_init (apr_pool_t *p)
+{
+    const char* str_params = vpp_module.module_params;
+    apr_array_header_t *list_params = vpp_module.module_params_list;
+    mmparam *params;
+    char *chroot_path = 0;
+    int i;
+
+    if (str_params) {
+        debug_msg("[mod_vpp]Received string params: %s", str_params);
+    }
+    /* Multiple name/value pair parameters. */
+    if (list_params) {
+        debug_msg("[mod_vpp]Received following params list: ");
+        params = (mmparam*) list_params->elts;
+        for(i=0; i< list_params->nelts; i++) {
+            debug_msg("\tParam: %s = %s", params[i].name, params[i].value);
+        }
+    }
+
+    svmdb_client = svmdb_map_chroot (chroot_path);
+
+
+    /* Initialize the metadata storage for each of the metrics and then
+     *  store one or more key/value pairs.  The define MGROUPS defines
+     *  the key for the grouping attribute. */
+    for (i = 0; vpp_module.metrics_info[i].name != NULL; i++) {
+        MMETRIC_INIT_METADATA(&(vpp_module.metrics_info[i]),p);
+	MMETRIC_ADD_METADATA(&(vpp_module.metrics_info[i]),MGROUP,"VPP");
+    }
+
+    return 0;
+}
+
+static void vpp_metric_cleanup (void)
+{
+    svmdb_unmap (svmdb_client);
+}
+
+static g_val_t vpp_metric_handler (int metric_index)
+{
+    g_val_t val;
+    pid_t *vpp_pidp;
+    f64 *vector_ratep, *vpp_rx_ratep;
+
+    switch (metric_index) {
+    case 0:
+        vector_ratep = svmdb_local_get_vec_variable 
+            (svmdb_client, "vlib_vector_rate", sizeof (*vector_ratep));
+        if (vector_ratep) {
+            val.d = *vector_ratep;
+            vec_free (vector_ratep);
+        }
+        else
+            val.d = 0.0;
+        break;
+    case 1:
+        vpp_pidp = svmdb_local_get_vec_variable 
+            (svmdb_client, 
+             "vpp_pid", sizeof (*vpp_pidp));
+        if (vpp_pidp && *vpp_pidp) {
+	    if (kill(*vpp_pidp, 0) == 0 || errno != ESRCH) {
+	        val.d = 1.0;
+	    } else {
+                val.d = 0.0;
+		}
+            vec_free (vpp_pidp);
+	} else 
+            val.d = 0;
+        break;
+
+    case 2:
+        vpp_rx_ratep = svmdb_local_get_vec_variable 
+            (svmdb_client, "vnet_input_rate", sizeof (*vector_ratep));
+        if (vpp_rx_ratep) {
+            val.d = *vpp_rx_ratep;
+            vec_free (vpp_rx_ratep);
+        } else
+            val.d = 0.0;
+        break;
+
+    default:
+        val.d = 0.0; 
+    }
+
+    return val;
+}
+
+static Ganglia_25metric vpp_metric_info[] = 
+{
+    {0, "Vector_Rate", 100, GANGLIA_VALUE_DOUBLE, "Packets/Frame", 
+     "both", "%.1f", 
+     UDP_HEADER_SIZE+8, "VPP Vector Rate"},
+    {0, "VPP_State", 100, GANGLIA_VALUE_DOUBLE, "Run=1", "both", "%.0f", 
+     UDP_HEADER_SIZE+8, "VPP State"},
+    {0, "Input_Rate", 100, GANGLIA_VALUE_DOUBLE, "5 sec RX rate", 
+     "both", "%.1f", 
+     UDP_HEADER_SIZE+8, "VPP Aggregate RX Rate"},
+    {0, NULL}
+};
+
+mmodule vpp_module =
+{
+    STD_MMODULE_STUFF,
+    vpp_metric_init,
+    vpp_metric_cleanup,
+    vpp_metric_info,
+    vpp_metric_handler,
+};
diff --git a/gmod/gmod/vpp.conf b/gmod/gmod/vpp.conf
new file mode 100644
index 00000000..6df20ed1
--- /dev/null
+++ b/gmod/gmod/vpp.conf
@@ -0,0 +1,26 @@
+modules {
+  module {
+    name = "vpp_module"
+    path = "libgmodvpp.so"
+  }
+}
+
+collection_group {
+  collect_every = 2
+  time_threshold = 10
+  metric {
+    name = "Vector_Rate"
+    value_threshold = 20.0
+    title = "Vector Rate"
+  }
+ metric {
+    name = "VPP_State"
+    value_threshold = 0.5
+    title = "VPP State"
+  }
+ metric {
+    name = "Input_Rate"
+    value_threshold = 10000.0
+    title = "VPP Aggregate RX rate"
+  }
+}