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Cluster Manager: print flags as strings.

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This commit is contained in:
artix 2018-05-15 18:41:46 +02:00
parent 3c039996b5
commit 2f9c032a13
1 changed files with 72 additions and 18 deletions
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90
src/redis-cli.c
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@ -1815,6 +1815,7 @@ typedef struct clusterManagerNode {
time_t ping_sent;
time_t ping_recv;
int flags;
list *flags_str; /* Flags string representations */
sds replicate; /* Master ID if node is a slave */
list replicas;
int dirty; /* Node has changes that can be flushed */
@ -2001,6 +2002,17 @@ static int getClusterHostFromCmdArgs(int argc, char **argv,
return 1;
}
static void freeClusterManagerNodeFlags(list *flags) {
listIter li;
listNode *ln;
listRewind(flags, &li);
while ((ln = listNext(&li)) != NULL) {
sds flag = ln->value;
sdsfree(flag);
}
listRelease(flags);
}
static void freeClusterManagerNode(clusterManagerNode *node) {
if (node->context != NULL) redisFree(node->context);
if (node->friends != NULL) {
@ -2027,6 +2039,10 @@ static void freeClusterManagerNode(clusterManagerNode *node) {
for (i = 0; i < node->importing_count; i++) sdsfree(node->importing[i]);
zfree(node->importing);
}
if (node->flags_str != NULL) {
freeClusterManagerNodeFlags(node->flags_str);
node->flags_str = NULL;
}
zfree(node);
}
@ -2065,6 +2081,7 @@ static clusterManagerNode *clusterManagerNewNode(char *ip, int port) {
node->ping_sent = 0;
node->ping_recv = 0;
node->flags = 0;
node->flags_str = NULL;
node->replicate = NULL;
node->dirty = 0;
node->friends = NULL;
@ -2391,6 +2408,24 @@ cleanup:
zfree(offenders);
}
/* Return a representable string of the node's flags */
static sds clusterManagerNodeFlagString(clusterManagerNode *node) {
sds flags = sdsempty();
if (!node->flags_str) return flags;
int empty = 1;
listIter li;
listNode *ln;
listRewind(node->flags_str, &li);
while ((ln = listNext(&li)) != NULL) {
sds flag = ln->value;
if (strcmp(flag, "myself") == 0) continue;
if (!empty) flags = sdscat(flags, ",");
flags = sdscatfmt(flags, "%S", flag);
empty = 0;
}
return flags;
}
/* Return a representable string of the node's slots */
static sds clusterManagerNodeSlotsString(clusterManagerNode *node) {
sds slots = sdsempty();
@ -2466,12 +2501,14 @@ static sds clusterManagerNodeInfo(clusterManagerNode *node, int indent) {
info = sdscatfmt(info, "S: %S %s:%u", node->name, node->ip, node->port);
else {
slots = clusterManagerNodeSlotsString(node);
sds flags = clusterManagerNodeFlagString(node);
info = sdscatfmt(info, "%s: %S %s:%u\n"
"%s slots:%S (%u slots) "
"", //TODO: flags string
"%S",
role, node->name, node->ip, node->port, spaces,
slots, node->slots_count);
slots, node->slots_count, flags);
sdsfree(slots);
sdsfree(flags);
}
if (node->replicate != NULL)
info = sdscatfmt(info, "\n%s replicates %S", spaces, node->replicate);
@ -3008,18 +3045,35 @@ static int clusterManagerNodeLoadInfo(clusterManagerNode *node, int opts,
if (currentNode->name) sdsfree(currentNode->name);
currentNode->name = sdsnew(name);
}
if (strstr(flags, "noaddr") != NULL)
currentNode->flags |= CLUSTER_MANAGER_FLAG_NOADDR;
if (strstr(flags, "disconnected") != NULL)
currentNode->flags |= CLUSTER_MANAGER_FLAG_DISCONNECT;
if (strstr(flags, "fail") != NULL)
currentNode->flags |= CLUSTER_MANAGER_FLAG_FAIL;
if (strstr(flags, "slave") != NULL) {
currentNode->flags |= CLUSTER_MANAGER_FLAG_SLAVE;
if (master_id != NULL) {
if (currentNode->replicate) sdsfree(currentNode->replicate);
currentNode->replicate = sdsnew(master_id);
if (currentNode->flags_str != NULL)
freeClusterManagerNodeFlags(currentNode->flags_str);
currentNode->flags_str = listCreate();
int flag_len;
while ((flag_len = strlen(flags)) > 0) {
sds flag = NULL;
char *fp = strchr(flags, ',');
if (fp) {
*fp = '\0';
flag = sdsnew(flags);
flags = fp + 1;
} else {
flag = sdsnew(flags);
flags += flag_len;
}
if (strcmp(flag, "noaddr") == 0)
currentNode->flags |= CLUSTER_MANAGER_FLAG_NOADDR;
else if (strcmp(flag, "disconnected") == 0)
currentNode->flags |= CLUSTER_MANAGER_FLAG_DISCONNECT;
else if (strcmp(flag, "fail") == 0)
currentNode->flags |= CLUSTER_MANAGER_FLAG_FAIL;
else if (strcmp(flag, "slave") == 0) {
currentNode->flags |= CLUSTER_MANAGER_FLAG_SLAVE;
if (master_id == 0) {
if (currentNode->replicate) sdsfree(currentNode->replicate);
currentNode->replicate = sdsnew(master_id);
}
}
listAddNodeTail(currentNode->flags_str, flag);
}
if (config_epoch != NULL)
currentNode->current_epoch = atoll(config_epoch);
@ -4283,12 +4337,12 @@ assign_replicas:
goto cleanup;
}
}
// Give one second for the join to start, in order to avoid that
// waiting for cluster join will find all the nodes agree about
// the config as they are still empty with unassigned slots.
/* Give one second for the join to start, in order to avoid that
* waiting for cluster join will find all the nodes agree about
* the config as they are still empty with unassigned slots. */
sleep(1);
clusterManagerWaitForClusterJoin();
// Useful for the replicas //TODO: create a function for this?
/* Useful for the replicas */
listRewind(cluster_manager.nodes, &li);
while ((ln = listNext(&li)) != NULL) {
clusterManagerNode *node = ln->value;
@ -4315,7 +4369,7 @@ assign_replicas:
listEmpty(cluster_manager.nodes);
if (!clusterManagerLoadInfoFromNode(first_node, 0)) {
success = 0;
goto cleanup; //TODO: msg?
goto cleanup;
}
clusterManagerCheckCluster(0);
}