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Cluster Manager: colorized output

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This commit is contained in:
artix 2018-02-14 19:29:28 +01:00
parent 307d995f75
commit 18910013cd
1 changed files with 95 additions and 35 deletions
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124
src/redis-cli.c
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@ -67,6 +67,7 @@
#define REDIS_CLI_HISTFILE_DEFAULT ".rediscli_history" #define REDIS_CLI_HISTFILE_DEFAULT ".rediscli_history"
#define REDIS_CLI_RCFILE_ENV "REDISCLI_RCFILE" #define REDIS_CLI_RCFILE_ENV "REDISCLI_RCFILE"
#define REDIS_CLI_RCFILE_DEFAULT ".redisclirc" #define REDIS_CLI_RCFILE_DEFAULT ".redisclirc"
#define CLUSTER_MANAGER_SLOTS 16384 #define CLUSTER_MANAGER_SLOTS 16384
#define CLUSTER_MANAGER_MODE() (config.cluster_manager_command.name != NULL) #define CLUSTER_MANAGER_MODE() (config.cluster_manager_command.name != NULL)
#define CLUSTER_MANAGER_MASTERS_COUNT(nodes, replicas) (nodes/(replicas + 1)) #define CLUSTER_MANAGER_MASTERS_COUNT(nodes, replicas) (nodes/(replicas + 1))
@ -80,7 +81,7 @@
if (cluster_manager.errors == NULL) \ if (cluster_manager.errors == NULL) \
cluster_manager.errors = listCreate(); \ cluster_manager.errors = listCreate(); \
listAddNodeTail(cluster_manager.errors, err); \ listAddNodeTail(cluster_manager.errors, err); \
fprintf(stderr, "%s\n", (char *) err); \ clusterManagerLogErr("%s\n", (char *) err); \
} while(0) } while(0)
#define CLUSTER_MANAGER_RESET_SLOTS(n) do { \ #define CLUSTER_MANAGER_RESET_SLOTS(n) do { \
@ -124,7 +125,20 @@
} while(0) } while(0)
#define CLUSTER_MANAGER_PRINT_REPLY_ERROR(n, err) \ #define CLUSTER_MANAGER_PRINT_REPLY_ERROR(n, err) \
fprintf(stderr,"Node %s:%d replied with error:\n%s\n", n->ip, n->port, err); clusterManagerLogErr("Node %s:%d replied with error:\n%s\n", \
n->ip, n->port, err);
#define clusterManagerLogInfo(...) \
clusterManagerLog(CLUSTER_MANAGER_LOG_LVL_INFO,__VA_ARGS__)
#define clusterManagerLogErr(...) \
clusterManagerLog(CLUSTER_MANAGER_LOG_LVL_ERR,__VA_ARGS__)
#define clusterManagerLogWarn(...) \
clusterManagerLog(CLUSTER_MANAGER_LOG_LVL_WARN,__VA_ARGS__)
#define clusterManagerLogOk(...) \
clusterManagerLog(CLUSTER_MANAGER_LOG_LVL_SUCCESS,__VA_ARGS__)
#define CLUSTER_MANAGER_FLAG_MYSELF 1 << 0 #define CLUSTER_MANAGER_FLAG_MYSELF 1 << 0
#define CLUSTER_MANAGER_FLAG_SLAVE 1 << 1 #define CLUSTER_MANAGER_FLAG_SLAVE 1 << 1
@ -133,8 +147,23 @@
#define CLUSTER_MANAGER_FLAG_DISCONNECT 1 << 4 #define CLUSTER_MANAGER_FLAG_DISCONNECT 1 << 4
#define CLUSTER_MANAGER_FLAG_FAIL 1 << 5 #define CLUSTER_MANAGER_FLAG_FAIL 1 << 5
#define CLUSTER_MANAGER_CMD_FLAG_FIX 1 << 0
#define CLUSTER_MANAGER_CMD_FLAG_SLAVE 1 << 1
#define CLUSTER_MANAGER_CMD_FLAG_COLOR 1 << 7
#define CLUSTER_MANAGER_OPT_GETFRIENDS 1 << 0 #define CLUSTER_MANAGER_OPT_GETFRIENDS 1 << 0
#define CLUSTER_MANAGER_LOG_LVL_INFO 1
#define CLUSTER_MANAGER_LOG_LVL_WARN 2
#define CLUSTER_MANAGER_LOG_LVL_ERR 3
#define CLUSTER_MANAGER_LOG_LVL_SUCCESS 4
#define LOG_COLOR_BOLD "29;1m"
#define LOG_COLOR_RED "31;1m"
#define LOG_COLOR_GREEN "32;1m"
#define LOG_COLOR_YELLOW "33;1m"
#define LOG_COLOR_RESET "0m"
/* --latency-dist palettes. */ /* --latency-dist palettes. */
int spectrum_palette_color_size = 19; int spectrum_palette_color_size = 19;
int spectrum_palette_color[] = {0,233,234,235,237,239,241,243,245,247,144,143,142,184,226,214,208,202,196}; int spectrum_palette_color[] = {0,233,234,235,237,239,241,243,245,247,144,143,142,184,226,214,208,202,196};
@ -270,6 +299,7 @@ static void clusterManagerShowInfo(void);
static int clusterManagerFlushNodeConfig(clusterManagerNode *node, char **err); static int clusterManagerFlushNodeConfig(clusterManagerNode *node, char **err);
static void clusterManagerWaitForClusterJoin(void); static void clusterManagerWaitForClusterJoin(void);
static void clusterManagerCheckCluster(int quiet); static void clusterManagerCheckCluster(int quiet);
static void clusterManagerLog(int level, const char* fmt, ...);
typedef int clusterManagerCommandProc(int argc, char **argv); typedef int clusterManagerCommandProc(int argc, char **argv);
typedef struct clusterManagerCommandDef { typedef struct clusterManagerCommandDef {
@ -1267,6 +1297,7 @@ static void createClusterManagerCommand(char *cmdname, int argc, char **argv) {
cmd->name = cmdname; cmd->name = cmdname;
cmd->argc = argc; cmd->argc = argc;
cmd->argv = argc ? argv : NULL; cmd->argv = argc ? argv : NULL;
if (isColorTerm()) cmd->flags |= CLUSTER_MANAGER_CMD_FLAG_COLOR;
} }
static int parseOptions(int argc, char **argv) { static int parseOptions(int argc, char **argv) {
@ -2042,7 +2073,8 @@ static void clusterManagerOptimizeAntiAffinity(clusterManagerNodeArray *ipnodes,
clusterManagerNode **offenders = NULL, **aux; clusterManagerNode **offenders = NULL, **aux;
int score = clusterManagerGetAntiAffinityScore(ipnodes, ip_len, &aux, NULL); int score = clusterManagerGetAntiAffinityScore(ipnodes, ip_len, &aux, NULL);
if (score == 0) goto cleanup; if (score == 0) goto cleanup;
printf(">>> Trying to optimize slaves allocation for anti-affinity\n"); clusterManagerLogInfo(">>> Trying to optimize slaves allocation "
"for anti-affinity\n");
int node_len = cluster_manager.nodes->len; int node_len = cluster_manager.nodes->len;
int maxiter = 500 * node_len; int maxiter = 500 * node_len;
srand(time(NULL)); srand(time(NULL));
@ -2091,12 +2123,15 @@ static void clusterManagerOptimizeAntiAffinity(clusterManagerNodeArray *ipnodes,
zfree(aux), aux = NULL; zfree(aux), aux = NULL;
score = clusterManagerGetAntiAffinityScore(ipnodes, ip_len, &aux, NULL); score = clusterManagerGetAntiAffinityScore(ipnodes, ip_len, &aux, NULL);
char *msg; char *msg;
if (score == 0) msg = "[OK] Perfect anti-affinity obtained!"; int perfect = (score == 0);
int log_level = (perfect ? CLUSTER_MANAGER_LOG_LVL_SUCCESS :
CLUSTER_MANAGER_LOG_LVL_WARN);
if (perfect) msg = "[OK] Perfect anti-affinity obtained!";
else if (score >= 10000) else if (score >= 10000)
msg = ("[WARNING] Some slaves are in the same host as their master"); msg = ("[WARNING] Some slaves are in the same host as their master");
else else
msg=("[WARNING] Some slaves of the same master are in the same host"); msg=("[WARNING] Some slaves of the same master are in the same host");
printf("%s\n", msg); clusterManagerLog(log_level, "%s\n", msg);
cleanup: cleanup:
zfree(offenders); zfree(offenders);
zfree(aux); zfree(aux);
@ -2211,7 +2246,7 @@ static void clusterManagerShowInfo(void) {
keys += dbsize; keys += dbsize;
} }
} }
printf("[OK] %d keys in %d masters.\n", keys, masters); clusterManagerLogOk("[OK] %d keys in %d masters.\n", keys, masters);
float keys_per_slot = keys / (float) CLUSTER_MANAGER_SLOTS; float keys_per_slot = keys / (float) CLUSTER_MANAGER_SLOTS;
printf("%.2f keys per slot on average.\n", keys_per_slot); printf("%.2f keys per slot on average.\n", keys_per_slot);
} }
@ -2482,7 +2517,7 @@ static int clusterManagerLoadInfoFromNode(clusterManagerNode *node, int opts) {
char *e = NULL; char *e = NULL;
if (!clusterManagerNodeIsCluster(node, &e)) { if (!clusterManagerNodeIsCluster(node, &e)) {
char *msg = (e ? e : "is not configured as a cluster node."); char *msg = (e ? e : "is not configured as a cluster node.");
fprintf(stderr, "[ERR] Node %s:%d %s\n", node->ip, node->port, msg); clusterManagerLogErr("[ERR] Node %s:%d %s\n",node->ip,node->port,msg);
if (e) zfree(e); if (e) zfree(e);
freeClusterManagerNode(node); freeClusterManagerNode(node);
return 0; return 0;
@ -2522,7 +2557,8 @@ static int clusterManagerLoadInfoFromNode(clusterManagerNode *node, int opts) {
goto invalid_friend; goto invalid_friend;
listAddNodeTail(cluster_manager.nodes, friend); listAddNodeTail(cluster_manager.nodes, friend);
} else { } else {
fprintf(stderr,"[ERR] Unable to load info for node %s:%d\n", clusterManagerLogErr("[ERR] Unable to load info for "
"node %s:%d\n",
friend->ip, friend->port); friend->ip, friend->port);
goto invalid_friend; goto invalid_friend;
} }
@ -2692,15 +2728,18 @@ static void clusterManagerCheckCluster(int quiet) {
listNode *ln = listFirst(cluster_manager.nodes); listNode *ln = listFirst(cluster_manager.nodes);
if (!ln) return; if (!ln) return;
clusterManagerNode *node = ln->value; clusterManagerNode *node = ln->value;
printf(">>> Performing Cluster Check (using node %s:%d)\n", clusterManagerLogInfo(">>> Performing Cluster Check (using node %s:%d)\n",
node->ip, node->port); node->ip, node->port);
if (!quiet) clusterManagerShowNodes(); if (!quiet) clusterManagerShowNodes();
if (!clusterManagerIsConfigConsistent()) { if (!clusterManagerIsConfigConsistent()) {
sds err = sdsnew("[ERR] Nodes don't agree about configuration!"); sds err = sdsnew("[ERR] Nodes don't agree about configuration!");
CLUSTER_MANAGER_ERROR(err); CLUSTER_MANAGER_ERROR(err);
} else printf("[OK] All nodes agree about slots configuration.\n"); } else {
clusterManagerLogOk("[OK] All nodes agree about slots "
"configuration.\n");
}
// Check open slots // Check open slots
printf(">>> Check for open slots...\n"); clusterManagerLogInfo(">>> Check for open slots...\n");
listIter li; listIter li;
listRewind(cluster_manager.nodes, &li); listRewind(cluster_manager.nodes, &li);
int i; int i;
@ -2754,17 +2793,18 @@ static void clusterManagerCheckCluster(int quiet) {
char *fmt = (i++ > 0 ? ",%S" : "%S"); char *fmt = (i++ > 0 ? ",%S" : "%S");
errstr = sdscatfmt(errstr, fmt, slot); errstr = sdscatfmt(errstr, fmt, slot);
} }
fprintf(stderr, "%s.\n", (char *) errstr); clusterManagerLogErr("%s.\n", (char *) errstr);
sdsfree(errstr); sdsfree(errstr);
dictRelease(open_slots); dictRelease(open_slots);
} }
printf(">>> Check slots coverage...\n"); clusterManagerLogInfo(">>> Check slots coverage...\n");
char slots[CLUSTER_MANAGER_SLOTS]; char slots[CLUSTER_MANAGER_SLOTS];
memset(slots, 0, CLUSTER_MANAGER_SLOTS); memset(slots, 0, CLUSTER_MANAGER_SLOTS);
int coverage = clusterManagerGetCoveredSlots(slots); int coverage = clusterManagerGetCoveredSlots(slots);
if (coverage == CLUSTER_MANAGER_SLOTS) if (coverage == CLUSTER_MANAGER_SLOTS) {
printf("[OK] All %d slots covered.\n", CLUSTER_MANAGER_SLOTS); clusterManagerLogOk("[OK] All %d slots covered.\n",
else { CLUSTER_MANAGER_SLOTS);
} else {
sds err = sdsempty(); sds err = sdsempty();
err = sdscatprintf(err, "[ERR] Not all %d slots are " err = sdscatprintf(err, "[ERR] Not all %d slots are "
"covered by nodes.\n", "covered by nodes.\n",
@ -2773,6 +2813,26 @@ static void clusterManagerCheckCluster(int quiet) {
} }
} }
static void clusterManagerLog(int level, const char* fmt, ...) {
int use_colors =
(config.cluster_manager_command.flags & CLUSTER_MANAGER_CMD_FLAG_COLOR);
if (use_colors) {
printf("\033[");
switch (level) {
case CLUSTER_MANAGER_LOG_LVL_INFO: printf(LOG_COLOR_BOLD); break;
case CLUSTER_MANAGER_LOG_LVL_WARN: printf(LOG_COLOR_YELLOW); break;
case CLUSTER_MANAGER_LOG_LVL_ERR: printf(LOG_COLOR_RED); break;
case CLUSTER_MANAGER_LOG_LVL_SUCCESS: printf(LOG_COLOR_GREEN); break;
default: printf(LOG_COLOR_RESET); break;
}
}
va_list ap;
va_start(ap, fmt);
vprintf(fmt, ap);
va_end(ap);
if (use_colors) printf("\033[" LOG_COLOR_RESET);
}
static void clusterManagerMode(clusterManagerCommandProc *proc) { static void clusterManagerMode(clusterManagerCommandProc *proc) {
int argc = config.cluster_manager_command.argc; int argc = config.cluster_manager_command.argc;
char **argv = config.cluster_manager_command.argv; char **argv = config.cluster_manager_command.argv;
@ -2790,7 +2850,6 @@ cluster_manager_err:
/* Cluster Manager Commands */ /* Cluster Manager Commands */
static int clusterManagerCommandCreate(int argc, char **argv) { static int clusterManagerCommandCreate(int argc, char **argv) {
printf("Cluster Manager: Creating Cluster\n");
int i, j, success = 1; int i, j, success = 1;
cluster_manager.nodes = listCreate(); cluster_manager.nodes = listCreate();
for (i = 0; i < argc; i++) { for (i = 0; i < argc; i++) {
@ -2816,7 +2875,7 @@ static int clusterManagerCommandCreate(int argc, char **argv) {
char *err = NULL; char *err = NULL;
if (!clusterManagerNodeIsCluster(node, &err)) { if (!clusterManagerNodeIsCluster(node, &err)) {
char *msg = (err ? err : "is not configured as a cluster node."); char *msg = (err ? err : "is not configured as a cluster node.");
fprintf(stderr, "[ERR] Node %s:%d %s\n", ip, port, msg); clusterManagerLogErr("[ERR] Node %s:%d %s\n", ip, port, msg);
if (err) zfree(err); if (err) zfree(err);
freeClusterManagerNode(node); freeClusterManagerNode(node);
return 0; return 0;
@ -2835,11 +2894,11 @@ static int clusterManagerCommandCreate(int argc, char **argv) {
char *msg; char *msg;
if (err) msg = err; if (err) msg = err;
else { else {
msg = " is not empty. Either the node already knows other " msg = "is not empty. Either the node already knows other "
"nodes (check with CLUSTER NODES) or contains some " "nodes (check with CLUSTER NODES) or contains some "
"key in database 0."; "key in database 0.";
} }
fprintf(stderr, "[ERR] Node %s:%d %s\n", ip, port, msg); clusterManagerLogErr("[ERR] Node %s:%d %s\n", ip, port, msg);
if (err) zfree(err); if (err) zfree(err);
freeClusterManagerNode(node); freeClusterManagerNode(node);
return 0; return 0;
@ -2850,18 +2909,17 @@ static int clusterManagerCommandCreate(int argc, char **argv) {
int replicas = config.cluster_manager_command.replicas; int replicas = config.cluster_manager_command.replicas;
int masters_count = CLUSTER_MANAGER_MASTERS_COUNT(node_len, replicas); int masters_count = CLUSTER_MANAGER_MASTERS_COUNT(node_len, replicas);
if (masters_count < 3) { if (masters_count < 3) {
fprintf(stderr, clusterManagerLogErr(
"*** ERROR: Invalid configuration for cluster creation.\n"); "*** ERROR: Invalid configuration for cluster creation.\n"
fprintf(stderr, "*** Redis Cluster requires at least 3 master nodes.\n"
"*** Redis Cluster requires at least 3 master nodes.\n");
fprintf(stderr,
"*** This is not possible with %d nodes and %d replicas per node.", "*** This is not possible with %d nodes and %d replicas per node.",
node_len, replicas); node_len, replicas);
fprintf(stderr, "\n*** At least %d nodes are required.\n", clusterManagerLogErr("\n*** At least %d nodes are required.\n",
(3 * (replicas + 1))); 3 * (replicas + 1));
return 0; return 0;
} }
printf(">>> Performing hash slots allocation on %d nodes...\n", node_len); clusterManagerLogInfo(">>> Performing hash slots allocation "
"on %d nodes...\n", node_len);
int interleaved_len = 0, ips_len = 0; int interleaved_len = 0, ips_len = 0;
clusterManagerNode **interleaved = zcalloc(node_len*sizeof(**interleaved)); clusterManagerNode **interleaved = zcalloc(node_len*sizeof(**interleaved));
char **ips = zcalloc(node_len * sizeof(char*)); char **ips = zcalloc(node_len * sizeof(char*));
@ -2989,8 +3047,9 @@ assign_replicas:
goto cleanup; goto cleanup;
} else if (err != NULL) zfree(err); } else if (err != NULL) zfree(err);
} }
printf(">>> Nodes configuration updated\n"); clusterManagerLogInfo(">>> Nodes configuration updated\n");
printf(">>> Assign a different config epoch to each node\n"); clusterManagerLogInfo(">>> Assign a different config epoch to "
"each node\n");
int config_epoch = 1; int config_epoch = 1;
listRewind(cluster_manager.nodes, &li); listRewind(cluster_manager.nodes, &li);
while ((ln = listNext(&li)) != NULL) { while ((ln = listNext(&li)) != NULL) {
@ -3001,7 +3060,8 @@ assign_replicas:
config_epoch++); config_epoch++);
if (reply != NULL) freeReplyObject(reply); if (reply != NULL) freeReplyObject(reply);
} }
printf(">>> Sending CLUSTER MEET messages to join the cluster\n"); clusterManagerLogInfo(">>> Sending CLUSTER MEET messages to join "
"the cluster\n");
clusterManagerNode *first = NULL; clusterManagerNode *first = NULL;
listRewind(cluster_manager.nodes, &li); listRewind(cluster_manager.nodes, &li);
while ((ln = listNext(&li)) != NULL) { while ((ln = listNext(&li)) != NULL) {
@ -3156,7 +3216,7 @@ static int clusterManagerCommandCall(int argc, char **argv) {
argc--; argc--;
argv++; argv++;
size_t *argvlen = zmalloc(argc*sizeof(size_t)); size_t *argvlen = zmalloc(argc*sizeof(size_t));
printf(">>> Calling"); clusterManagerLogInfo(">>> Calling");
for (i = 0; i < argc; i++) { for (i = 0; i < argc; i++) {
argvlen[i] = strlen(argv[i]); argvlen[i] = strlen(argv[i]);
printf(" %s", argv[i]); printf(" %s", argv[i]);