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"cluster show": display node priority

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GitHUb #541.
This commit is contained in:
Ian Barwick
2019-02-07 14:14:24 +09:00
parent 9433f80364
commit 8aaf6571a0
2 changed files with 38 additions and 19 deletions
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28
doc/repmgr-cluster-show.sgml
View File

@@ -44,11 +44,11 @@
<programlisting>
$ repmgr -f /etc/repmgr.conf cluster show
ID | Name | Role | Status | Upstream | Location | Connection string
----+-------+---------+-----------+----------+----------+-----------------------------------------
1 | node1 | primary | * running | | default | host=db_node1 dbname=repmgr user=repmgr
2 | node2 | standby | running | node1 | default | host=db_node2 dbname=repmgr user=repmgr
3 | node3 | standby | running | node1 | default | host=db_node3 dbname=repmgr user=repmgr</programlisting>
ID | Name | Role | Status | Upstream | Location | Priority | Connection string
----+-------+---------+-----------+----------+----------+----------+-----------------------------------------
1 | node1 | primary | * running | | default | 100 | host=db_node1 dbname=repmgr user=repmgr
2 | node2 | standby | running | node1 | default | 100 | host=db_node2 dbname=repmgr user=repmgr
3 | node3 | standby | running | node1 | default | 100 | host=db_node3 dbname=repmgr user=repmgr</programlisting>
</para>
</refsect1>
<refsect1>
@@ -61,21 +61,23 @@
<programlisting>
$ repmgr -f /etc/repmgr.conf cluster show
ID | Name | Role | Status | Upstream | Location | Connection string
----+-------+---------+----------------------+----------+----------+-----------------------------------------
1 | node1 | primary | ? unreachable | | default | host=db_node1 dbname=repmgr user=repmgr
2 | node2 | standby | ! running as primary | node1 | default | host=db_node2 dbname=repmgr user=repmgr
3 | node3 | standby | running | node1 | default | host=db_node3 dbname=repmgr user=repmgr
ID | Name | Role | Status | Upstream | Location | Priority | Connection string
----+-------+---------+----------------------+----------+----------+----------+-----------------------------------------
1 | node1 | primary | ? unreachable | | default | 100 | host=db_node1 dbname=repmgr user=repmgr
2 | node2 | standby | ! running as primary | node1 | default | 100 | host=db_node2 dbname=repmgr user=repmgr
3 | node3 | standby | running | node1 | default | 100 | host=db_node3 dbname=repmgr user=repmgr
WARNING: following issues were detected
node "node1" (ID: 1) is registered as an active primary but is unreachable
node "node2" (ID: 2) is registered as standby but running as primary</programlisting>
- unable to connect to node "node1" (ID: 1)
- node "node1" (ID: 1) is registered as an active primary but is unreachable
- node "node2" (ID: 2) is registered as standby but running as primary
HINT: execute with --verbose option to see connection error messages</programlisting>
</para>
<para>
Node availability is tested by connecting from the node where
<command>repmgr cluster show</command> is executed, and does not necessarily imply the node
is down. See <xref linkend="repmgr-cluster-matrix"> and <xref linkend="repmgr-cluster-crosscheck"> to get
a better overviews of connections between nodes.
better overviews of connections between nodes.
</para>
</refsect1>

29
repmgr-action-cluster.c
View File

@@ -24,7 +24,7 @@
#include "repmgr-client-global.h"
#include "repmgr-action-cluster.h"
#define SHOW_HEADER_COUNT 7
#define SHOW_HEADER_COUNT 8
typedef enum
{
@@ -34,6 +34,7 @@ typedef enum
SHOW_STATUS,
SHOW_UPSTREAM_NAME,
SHOW_LOCATION,
SHOW_PRIORITY,
SHOW_CONNINFO
} ShowHeader;
@@ -109,6 +110,12 @@ do_cluster_show(void)
strncpy(headers_show[SHOW_STATUS].title, _("Status"), MAXLEN);
strncpy(headers_show[SHOW_UPSTREAM_NAME].title, _("Upstream"), MAXLEN);
strncpy(headers_show[SHOW_LOCATION].title, _("Location"), MAXLEN);
if (runtime_options.compact == true)
strncpy(headers_show[SHOW_PRIORITY].title, _("Prio."), MAXLEN);
else
strncpy(headers_show[SHOW_PRIORITY].title, _("Priority"), MAXLEN);
strncpy(headers_show[SHOW_CONNINFO].title, _("Connection string"), MAXLEN);
/*
@@ -137,7 +144,7 @@ do_cluster_show(void)
for (cell = nodes.head; cell; cell = cell->next)
{
PQExpBufferData details;
PQExpBufferData node_id;
PQExpBufferData buf;
cell->node_info->conn = establish_db_connection_quiet(cell->node_info->conninfo);
@@ -362,16 +369,25 @@ do_cluster_show(void)
PQfinish(cell->node_info->conn);
cell->node_info->conn = NULL;
initPQExpBuffer(&node_id);
appendPQExpBuffer(&node_id, "%i", cell->node_info->node_id);
headers_show[SHOW_ID].cur_length = strlen(node_id.data);
termPQExpBuffer(&node_id);
initPQExpBuffer(&buf);
appendPQExpBuffer(&buf, "%i", cell->node_info->node_id);
headers_show[SHOW_ID].cur_length = strlen(buf.data);
termPQExpBuffer(&buf);
headers_show[SHOW_ROLE].cur_length = strlen(get_node_type_string(cell->node_info->type));
headers_show[SHOW_NAME].cur_length = strlen(cell->node_info->node_name);
headers_show[SHOW_STATUS].cur_length = strlen(cell->node_info->details);
headers_show[SHOW_UPSTREAM_NAME].cur_length = strlen(cell->node_info->upstream_node_name);
initPQExpBuffer(&buf);
appendPQExpBuffer(&buf, "%i", cell->node_info->priority);
headers_show[SHOW_PRIORITY].cur_length = strlen(buf.data);
termPQExpBuffer(&buf);
headers_show[SHOW_LOCATION].cur_length = strlen(cell->node_info->location);
headers_show[SHOW_CONNINFO].cur_length = strlen(cell->node_info->conninfo);
for (i = 0; i < SHOW_HEADER_COUNT; i++)
@@ -433,6 +449,7 @@ do_cluster_show(void)
printf("| %-*s ", headers_show[SHOW_STATUS].max_length, cell->node_info->details);
printf("| %-*s ", headers_show[SHOW_UPSTREAM_NAME].max_length, cell->node_info->upstream_node_name);
printf("| %-*s ", headers_show[SHOW_LOCATION].max_length, cell->node_info->location);
printf("| %-*i ", headers_show[SHOW_PRIORITY].max_length, cell->node_info->priority);
if (headers_show[SHOW_CONNINFO].display == true)
{