Tier/cli: tier related information in volume info xml

        back port of : http://review.gluster.org/#/c/12158/

gluster v info didnt differentiate the hot bricks and cold bricks
and other few values

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<cliOutput>
  <opRet>0</opRet>
  <opErrno>0</opErrno>
  <opErrstr/>
  <volInfo>
    <volumes>
      <volume>
        <name>rmbr</name>
        <id>72d223fc-96ba-4f4a-ac6e-0d0bc16ef127</id>
        <status>1</status>
        <statusStr>Started</statusStr>
        <brickCount>3</brickCount>
        <distCount>1</distCount>
        <stripeCount>1</stripeCount>
        <replicaCount>1</replicaCount>
        <disperseCount>0</disperseCount>
        <redundancyCount>0</redundancyCount>
        <type>5</type>
        <typeStr>Tier</typeStr>
        <transport>0</transport>
        <xlators/>
        <bricks>
          <hotBricks>
            <hotBrickType>Distribute</hotBrickType>
            <numberOfBricks>1</numberOfBricks>
            <brick uuid="81">v1:/hb1<name>v1:/hb1</name><hostUuid>81</hostUuid></brick>
          </hotBricks>
          <coldBricks>
            <coldBrickType>Distribute</coldBrickType>
            <numberOfBricks>2</numberOfBricks>
            <brick uuid="81">v1:/br1<name>v1:/br1</name><hostUuid>81</hostUuid></brick>
            <brick uuid="81">v1:/br2<name>v1:/br2</name><hostUuid>81</hostUuid></brick>
            <count>0</count>
          </coldBricks>
        </bricks>
      </volume>
    </volumes>
  </volInfo>
</cliOutput>

>Change-Id: I6e52541bb6d8a6a17e17bfcb42434beaac13db56
>BUG: 1261837
>Signed-off-by: hari gowtham <hgowtham@redhat.com>
>Reviewed-on: http://review.gluster.org/12158
>Tested-by: NetBSD Build System <jenkins@build.gluster.org>
>Tested-by: Gluster Build System <jenkins@build.gluster.com>
>Reviewed-by: Dan Lambright <dlambrig@redhat.com>
>Tested-by: Dan Lambright <dlambrig@redhat.com>
Signed-off-by: Hari Gowtham <hgowtham@redhat.com>

Change-Id: I6e504138973bcd3fa5ba93f1ccc812f1baacf6d9
BUG: 1258338
Reviewed-on: http://review.gluster.org/12251
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Dan Lambright <dlambrig@redhat.com>
Tested-by: Dan Lambright <dlambrig@redhat.com>

2 files changed, 266 insertions, 28 deletions

diff --git a/cli/src/cli-xml-output.c b/cli/src/cli-xml-output.c
index 3ad7250397b..6167adbc73c 100644
--- a/cli/src/cli-xml-output.c
+++ b/cli/src/cli-xml-output.c
@@ -2559,6 +2559,27 @@ cli_xml_output_vol_info (cli_local_t *local, dict_t *dict)
         int                     j = 1;
         char                    *caps = NULL;
         int                     k __attribute__((unused)) = 0;
+        int                     index = 1;
+        int                     vol_type               = -1;
+        int                     tier_vol_type          = 0;
+        /*hot disperse count, redundancy count and dist count are always
+         * zero so need for them to be included in the array.*/
+        int                     hot_disperse_count     = 0;
+        int                     hot_dist_count         = 0;
+        int                     hot_redundancy_count   = 0;
+        values                  c                      = 0;
+        char                    *keys[30]              = {
+                [COLD_BRICK_COUNT]      = "volume%d.cold_brick_count",
+                [COLD_TYPE]             = "volume%d.cold_type",
+                [COLD_DIST_COUNT]       = "volume%d.cold_dist_count",
+                [COLD_REPLICA_COUNT]    = "volume%d.cold_replica_count",
+                [COLD_DISPERSE_COUNT]   = "volume%d.cold_disperse_count",
+                [COLD_REDUNDANCY_COUNT] = "volume%d.cold_redundancy_count",
+                [HOT_BRICK_COUNT]       = "volume%d.hot_brick_count",
+                [HOT_TYPE]              = "volume%d.hot_type",
+                [HOT_REPLICA_COUNT]     = "volume%d.hot_replica_count"};
+        int                     value[9]             = {};
+
 
         ret = dict_get_int32 (dict, "count", &count);
         if (ret)
@@ -2758,46 +2779,250 @@ cli_xml_output_vol_info (cli_local_t *local, dict_t *dict)
                 ret = xmlTextWriterStartElement (local->writer,
                                                  (xmlChar *)"bricks");
                 XML_RET_CHECK_AND_GOTO (ret, out);
-                while (j <= brick_count) {
-                        ret = xmlTextWriterStartElement
-                                (local->writer, (xmlChar *)"brick");
-                        XML_RET_CHECK_AND_GOTO (ret, out);
 
-                        memset (key, 0, sizeof (key));
-                        snprintf (key, sizeof (key), "volume%d.brick%d.uuid",
-                                  i, j);
-                        ret = dict_get_str (dict, key, &uuid);
-                        if (ret)
-                                goto out;
-                        ret = xmlTextWriterWriteFormatAttribute
-                                (local->writer, (xmlChar *)"uuid", "%s",
-                                 uuid);
-                        XML_RET_CHECK_AND_GOTO (ret, out);
+                if (type == GF_CLUSTER_TYPE_TIER) {
+                        /*the values for hot stripe, disperse and redundancy
+                         * should not be looped in here as they are zero
+                         * always */
+                        for (c = COLD_BRICK_COUNT; c < MAX; c++) {
 
-                        memset (key, 0, sizeof (key));
-                        snprintf (key, sizeof (key), "volume%d.brick%d", i, j);
-                        ret = dict_get_str (dict, key, &brick);
-                        if (ret)
-                                goto out;
-                        ret = xmlTextWriterWriteFormatString
-                                (local->writer, "%s", brick);
+                                memset (key, 0, sizeof (key));
+                                snprintf (key, 256, keys[c], i);
+                                ret = dict_get_int32 (dict, key, &value[c]);
+                                if (ret)
+                                        goto out;
+                        }
+
+                        tier_vol_type = value[HOT_TYPE];
+                        value[hot_dist_count] = (value[HOT_REPLICA_COUNT] ?
+                                          value[HOT_REPLICA_COUNT] : 1);
+                        if ((value[HOT_TYPE] != GF_CLUSTER_TYPE_TIER) &&
+                            (value[HOT_TYPE] > 0) &&
+                            (value[hot_dist_count] < value[HOT_BRICK_COUNT]))
+                                tier_vol_type = value[HOT_TYPE] +
+                                        GF_CLUSTER_TYPE_MAX - 1;
+
+                        ret = xmlTextWriterStartElement (local->writer,
+                                                         (xmlChar *)
+                                                         "hotBricks");
                         XML_RET_CHECK_AND_GOTO (ret, out);
 
                         ret = xmlTextWriterWriteFormatElement
-                                (local->writer, (xmlChar *)"name", "%s",
-                                 brick);
+                                (local->writer, (xmlChar *)"hotBrickType",
+                                 "%s", cli_vol_type_str[tier_vol_type]);
+
+                        if (value[HOT_TYPE] == GF_CLUSTER_TYPE_NONE ||
+                                        value[HOT_TYPE] ==
+                                        GF_CLUSTER_TYPE_TIER) {
+                                ret = xmlTextWriterWriteFormatElement
+                                        (local->writer,
+                                         (xmlChar *)"numberOfBricks",
+                                         "%d", value[HOT_BRICK_COUNT]);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+                        } else if (value[HOT_TYPE] ==
+                                        GF_CLUSTER_TYPE_DISPERSE) {
+                                ret = xmlTextWriterWriteFormatElement
+                                        (local->writer,
+                                         (xmlChar *)"numberOfBricks",
+                                         "%d x (%d + %d) = %d",
+                                         (value[HOT_BRICK_COUNT] /
+                                          value[hot_dist_count]),
+                                         hot_disperse_count -
+                                         hot_redundancy_count,
+                                         hot_redundancy_count,
+                                         value[HOT_BRICK_COUNT]);
+                        } else {
+                                ret = xmlTextWriterWriteFormatElement
+                                        (local->writer,
+                                         (xmlChar *)"numberOfBricks",
+                                         "%d x %d = %d",
+                                         (value[HOT_BRICK_COUNT] /
+                                          value[hot_dist_count]),
+                                         value[hot_dist_count],
+                                         value[HOT_BRICK_COUNT]);
+                        }
+
+                        while (index <= value[HOT_BRICK_COUNT]) {
+                                snprintf (key, 1024, "volume%d.brick%d", i,
+                                          index);
+                                ret = dict_get_str (dict, key, &brick);
+                                if (ret)
+                                        goto out;
+
+                                ret = xmlTextWriterStartElement
+                                        (local->writer, (xmlChar *)"brick");
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                memset (key, 0, sizeof (key));
+                                snprintf (key, sizeof (key),
+                                          "volume%d.brick%d.uuid", i, j);
+                                ret = dict_get_str (dict, key, &uuid);
+                                if (ret)
+                                        goto out;
+                                ret = xmlTextWriterWriteFormatAttribute
+                                        (local->writer, (xmlChar *)"uuid", "%s",
+                                         uuid);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                ret = xmlTextWriterWriteFormatString
+                                        (local->writer, "%s", brick);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                ret = xmlTextWriterWriteFormatElement
+                                        (local->writer, (xmlChar *)"name", "%s",
+                                         brick);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                ret = xmlTextWriterWriteFormatElement
+                                        (local->writer, (xmlChar *)"hostUuid",
+                                         "%s", uuid);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                ret = xmlTextWriterEndElement (local->writer);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                index++;
+                        }
+                        ret = xmlTextWriterEndElement (local->writer);
                         XML_RET_CHECK_AND_GOTO (ret, out);
 
-                        ret = xmlTextWriterWriteFormatElement
-                                (local->writer, (xmlChar *)"hostUuid", "%s",
-                                 uuid);
+                        tier_vol_type = value[COLD_TYPE];
+                        if ((value[COLD_TYPE] != GF_CLUSTER_TYPE_TIER) &&
+                            (value[COLD_TYPE] > 0) &&
+                            (value[COLD_DIST_COUNT] < value[COLD_BRICK_COUNT]))
+                                tier_vol_type = value[COLD_TYPE] +
+                                        GF_CLUSTER_TYPE_MAX - 1;
+
+
+                        ret = xmlTextWriterStartElement (local->writer,
+                                                         (xmlChar *)
+                                                         "coldBricks");
                         XML_RET_CHECK_AND_GOTO (ret, out);
 
-                        /* </brick> */
+                        ret = xmlTextWriterWriteFormatElement
+                                (local->writer, (xmlChar *)"coldBrickType",
+                                 "%s", cli_vol_type_str[tier_vol_type]);
+
+                        if (value[COLD_TYPE] == GF_CLUSTER_TYPE_NONE ||
+                                        value[COLD_TYPE] ==
+                                        GF_CLUSTER_TYPE_TIER) {
+                                ret = xmlTextWriterWriteFormatElement
+                                        (local->writer,
+                                         (xmlChar *)"numberOfBricks",
+                                         "%d", value[COLD_BRICK_COUNT]);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+                        } else if (value[COLD_TYPE] ==
+                                        GF_CLUSTER_TYPE_DISPERSE) {
+                                ret = xmlTextWriterWriteFormatElement
+                                        (local->writer,
+                                         (xmlChar *)"numberOfBricks",
+                                         " %d x (%d + %d) = %d",
+                                         (value[COLD_BRICK_COUNT] /
+                                          value[COLD_DIST_COUNT]),
+                                         value[COLD_DISPERSE_COUNT] -
+                                         value[COLD_REDUNDANCY_COUNT],
+                                         value[COLD_REDUNDANCY_COUNT],
+                                         value[COLD_BRICK_COUNT]);
+                        } else {
+                                ret = xmlTextWriterWriteFormatElement
+                                        (local->writer,
+                                         (xmlChar *)"numberOfBricks",
+                                         "%d x %d = %d",
+                                         (value[COLD_BRICK_COUNT] /
+                                          value[COLD_DIST_COUNT]),
+                                         value[COLD_DIST_COUNT],
+                                         value[COLD_BRICK_COUNT]);
+                        }
+
+                        index = value[HOT_BRICK_COUNT] + 1;
+
+                        while (index <= brick_count) {
+                                snprintf (key, 1024, "volume%d.brick%d", i,
+                                          index);
+                                ret = dict_get_str (dict, key, &brick);
+                                if (ret)
+                                        goto out;
+
+                                ret = xmlTextWriterStartElement
+                                        (local->writer, (xmlChar *)"brick");
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                memset (key, 0, sizeof (key));
+                                snprintf (key, sizeof (key),
+                                          "volume%d.brick%d.uuid", i, j);
+                                ret = dict_get_str (dict, key, &uuid);
+                                if (ret)
+                                        goto out;
+                                ret = xmlTextWriterWriteFormatAttribute
+                                        (local->writer, (xmlChar *)"uuid", "%s",
+                                         uuid);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                ret = xmlTextWriterWriteFormatString
+                                        (local->writer, "%s", brick);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                ret = xmlTextWriterWriteFormatElement
+                                        (local->writer, (xmlChar *)"name", "%s",
+                                         brick);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                ret = xmlTextWriterWriteFormatElement
+                                        (local->writer, (xmlChar *)"hostUuid",
+                                         "%s", uuid);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                ret = xmlTextWriterEndElement (local->writer);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                index++;
+                        }
                         ret = xmlTextWriterEndElement (local->writer);
                         XML_RET_CHECK_AND_GOTO (ret, out);
 
-                        j++;
+                } else {
+                        while (j <= brick_count) {
+                                ret = xmlTextWriterStartElement
+                                        (local->writer, (xmlChar *)"brick");
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                memset (key, 0, sizeof (key));
+                                snprintf (key, sizeof (key),
+                                          "volume%d.brick%d.uuid", i, j);
+                                ret = dict_get_str (dict, key, &uuid);
+                                if (ret)
+                                        goto out;
+                                ret = xmlTextWriterWriteFormatAttribute
+                                        (local->writer, (xmlChar *)"uuid", "%s",
+                                         uuid);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                memset (key, 0, sizeof (key));
+                                snprintf (key, sizeof (key),
+                                          "volume%d.brick%d", i, j);
+                                ret = dict_get_str (dict, key, &brick);
+                                if (ret)
+                                        goto out;
+                                ret = xmlTextWriterWriteFormatString
+                                        (local->writer, "%s", brick);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                ret = xmlTextWriterWriteFormatElement
+                                        (local->writer, (xmlChar *)"name", "%s",
+                                         brick);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                ret = xmlTextWriterWriteFormatElement
+                                        (local->writer, (xmlChar *)"hostUuid",
+                                         "%s", uuid);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                /* </brick> */
+                                ret = xmlTextWriterEndElement (local->writer);
+                                XML_RET_CHECK_AND_GOTO (ret, out);
+
+                                j++;
+                        }
                 }
                 /* </bricks> */
                 ret = xmlTextWriterEndElement (local->writer);
diff --git a/cli/src/cli.h b/cli/src/cli.h
index a4867e6d9c2..926d7014927 100644
--- a/cli/src/cli.h
+++ b/cli/src/cli.h
@@ -47,6 +47,19 @@ enum argp_option_keys {
 	ARGP_PORT_KEY = 'p',
 };
 
+typedef enum {
+        COLD_BRICK_COUNT,
+        COLD_TYPE,
+        COLD_DIST_COUNT,
+        COLD_REPLICA_COUNT,
+        COLD_DISPERSE_COUNT,
+        COLD_REDUNDANCY_COUNT,
+        HOT_BRICK_COUNT,
+        HOT_TYPE,
+        HOT_REPLICA_COUNT,
+        MAX
+} values;
+
 #define GLUSTER_MODE_SCRIPT    (1 << 0)
 #define GLUSTER_MODE_ERR_FATAL (1 << 1)
 #define GLUSTER_MODE_XML       (1 << 2)