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-rw-r--r--cli/src/cli-cmd-parser.c1210
1 files changed, 1138 insertions, 72 deletions
diff --git a/cli/src/cli-cmd-parser.c b/cli/src/cli-cmd-parser.c
index 26ac6f384..5ab208b8f 100644
--- a/cli/src/cli-cmd-parser.c
+++ b/cli/src/cli-cmd-parser.c
@@ -1,5 +1,5 @@
/*
- Copyright (c) 2010-2012 Red Hat, Inc. <http://www.redhat.com>
+ Copyright (c) 2010-2013 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
@@ -26,6 +26,38 @@
#include "protocol-common.h"
#include "cli1-xdr.h"
+#define MAX_SNAP_DESCRIPTION_LEN 1024
+
+struct snap_config_opt_vals_ snap_confopt_vals[] = {
+ {.op_name = "snap-max-hard-limit",
+ .question = "Changing snapshot-max-hard-limit "
+ "will lead to deletion of snapshots "
+ "if they exceed the new limit.\n"
+ "Do you want to continue?"
+ },
+ {.op_name = "snap-max-soft-limit",
+ .question = "Changing snapshot-max-soft-limit "
+ "will lead to deletion of snapshots "
+ "if they exceed the new limit.\n"
+ "Do you want to continue?"
+ },
+ {.op_name = "both",
+ .question = "Changing snapshot-max-hard-limit & "
+ "snapshot-max-soft-limit will lead to "
+ "deletion of snapshots if they exceed "
+ "the new limit.\nDo you want to continue?"
+ },
+ {.op_name = NULL,
+ }
+};
+
+enum cli_snap_config_set_types {
+ GF_SNAP_CONFIG_SET_HARD = 0,
+ GF_SNAP_CONFIG_SET_SOFT = 1,
+ GF_SNAP_CONFIG_SET_BOTH = 2,
+};
+typedef enum cli_snap_config_set_types cli_snap_config_set_types;
+
static const char *
id_sel (void *wcon)
{
@@ -159,22 +191,17 @@ cli_cmd_volume_create_parse (const char **words, int wordcount, dict_t **options
int32_t index = 0;
char *bricks = NULL;
int32_t brick_count = 0;
- char *opwords[] = { "replica", "stripe", "transport",
-#ifdef HAVE_BD_XLATOR
- "device",
-#endif
- NULL };
+ char *opwords[] = { "replica", "stripe", "transport", NULL };
char *invalid_volnames[] = {"volume", "type", "subvolumes", "option",
"end-volume", "all", "volume_not_in_ring",
- NULL};
+ "description", "force",
+ "snap-max-hard-limit",
+ "snap-max-soft-limit", NULL};
char *w = NULL;
int op_count = 0;
int32_t replica_count = 1;
int32_t stripe_count = 1;
-#ifdef HAVE_BD_XLATOR
- char *dev_type = NULL;
-#endif
gf_boolean_t is_force = _gf_false;
int wc = wordcount;
@@ -311,26 +338,7 @@ cli_cmd_volume_create_parse (const char **words, int wordcount, dict_t **options
goto out;
}
index += 2;
- }
-#ifdef HAVE_BD_XLATOR
- else if ((strcmp (w, "device")) == 0) {
- if (dev_type) {
- cli_err ("'device' option given more"
- " than one time");
- goto out;
- }
- if ((strcasecmp (words[index+1], "vg") == 0)) {
- dev_type = gf_strdup ("vg");
- } else {
- gf_log ("", GF_LOG_ERROR, "incorrect"
- " device type specified");
- ret = -1;
- goto out;
- }
- index += 2;
- }
-#endif
- else {
+ } else {
GF_ASSERT (!"opword mismatch");
ret = -1;
goto out;
@@ -371,19 +379,6 @@ cli_cmd_volume_create_parse (const char **words, int wordcount, dict_t **options
goto out;
}
- /* BD xlator does not support multiple bricks */
-#ifdef HAVE_BD_XLATOR
- if (brick_count > 1 && dev_type) {
- cli_err ("Block Device backend volume does not support multiple"
- " bricks");
- gf_log ("", GF_LOG_ERROR,
- "Block Device backend volume does not support multiple"
- " bricks");
- ret = -1;
- goto out;
- }
-#endif
-
if (brick_count % sub_count) {
if (type == GF_CLUSTER_TYPE_STRIPE)
cli_err ("number of bricks is not a multiple of "
@@ -417,14 +412,6 @@ cli_cmd_volume_create_parse (const char **words, int wordcount, dict_t **options
if (ret)
goto out;
-#ifdef HAVE_BD_XLATOR
- if (dev_type) {
- ret = dict_set_dynstr (dict, "device", dev_type);
- if (ret)
- goto out;
- }
-#endif
-
ret = dict_set_int32 (dict, "count", brick_count);
if (ret)
goto out;
@@ -1763,7 +1750,7 @@ cli_cmd_gsync_set_parse (const char **words, int wordcount, dict_t **options)
unsigned cmdi = 0;
char *opwords[] = { "create", "status", "start", "stop",
"config", "force", "delete",
- "push-pem", NULL };
+ "push-pem", "detail", NULL };
char *w = NULL;
GF_ASSERT (words);
@@ -1776,7 +1763,7 @@ cli_cmd_gsync_set_parse (const char **words, int wordcount, dict_t **options)
/* new syntax:
*
* volume geo-replication $m $s create [push-pem] [force]
- * volume geo-replication [$m [$s]] status
+ * volume geo-replication [$m [$s]] status [detail]
* volume geo-replication [$m] $s config [[!]$opt [$val]]
* volume geo-replication $m $s start|stop [force]
* volume geo-replication $m $s delete
@@ -1810,6 +1797,13 @@ cli_cmd_gsync_set_parse (const char **words, int wordcount, dict_t **options)
if (slavei == 3)
masteri = 2;
} else if (i <= 3) {
+ if (!strcmp ((char *)words[wordcount-1], "detail")) {
+ /* For status detail it is mandatory to provide
+ * both master and slave */
+ ret = -1;
+ goto out;
+ }
+
/* no $s, can only be status cmd
* (with either a single $m before it or nothing)
* -- these conditions imply that i <= 3 after
@@ -1873,6 +1867,21 @@ cli_cmd_gsync_set_parse (const char **words, int wordcount, dict_t **options)
if (ret)
goto out;
+ if (!strcmp ((char *)words[wordcount-1], "detail")) {
+ if (strcmp ((char *)words[wordcount-2], "status")) {
+ ret = -1;
+ goto out;
+ }
+ if (!slavei || !masteri) {
+ ret = -1;
+ goto out;
+ }
+ ret = dict_set_uint32 (dict, "status-detail", _gf_true);
+ if (ret)
+ goto out;
+ cmdi++;
+ }
+
if (type != GF_GSYNC_OPTION_TYPE_CONFIG &&
(cmdi < wordcount - 1 || glob))
goto out;
@@ -2160,7 +2169,7 @@ cli_cmd_get_statusop (const char *arg)
uint32_t ret = GF_CLI_STATUS_NONE;
char *w = NULL;
char *opwords[] = {"detail", "mem", "clients", "fd",
- "inode", "callpool", NULL};
+ "inode", "callpool", "tasks", NULL};
struct {
char *opname;
uint32_t opcode;
@@ -2171,6 +2180,7 @@ cli_cmd_get_statusop (const char *arg)
{ "fd", GF_CLI_STATUS_FD },
{ "inode", GF_CLI_STATUS_INODE },
{ "callpool", GF_CLI_STATUS_CALLPOOL },
+ { "tasks", GF_CLI_STATUS_TASKS },
{ NULL }
};
@@ -2285,8 +2295,9 @@ cli_cmd_volume_status_parse (const char **words, int wordcount,
if (!strcmp (words[3], "nfs")) {
if (cmd == GF_CLI_STATUS_FD ||
- cmd == GF_CLI_STATUS_DETAIL) {
- cli_err ("Detail/FD status not available"
+ cmd == GF_CLI_STATUS_DETAIL ||
+ cmd == GF_CLI_STATUS_TASKS) {
+ cli_err ("Detail/FD/Tasks status not available"
" for NFS Servers");
ret = -1;
goto out;
@@ -2295,14 +2306,21 @@ cli_cmd_volume_status_parse (const char **words, int wordcount,
} else if (!strcmp (words[3], "shd")){
if (cmd == GF_CLI_STATUS_FD ||
cmd == GF_CLI_STATUS_CLIENTS ||
- cmd == GF_CLI_STATUS_DETAIL) {
- cli_err ("Detail/FD/Clients status not "
+ cmd == GF_CLI_STATUS_DETAIL ||
+ cmd == GF_CLI_STATUS_TASKS) {
+ cli_err ("Detail/FD/Clients/Tasks status not "
"available for Self-heal Daemons");
ret = -1;
goto out;
}
cmd |= GF_CLI_STATUS_SHD;
} else {
+ if (cmd == GF_CLI_STATUS_TASKS) {
+ cli_err ("Tasks status not available for "
+ "bricks");
+ ret = -1;
+ goto out;
+ }
cmd |= GF_CLI_STATUS_BRICK;
ret = dict_set_str (dict, "brick", (char *)words[3]);
}
@@ -2451,12 +2469,103 @@ out:
return ret;
}
+static int
+extract_hostname_path_from_token (const char *tmp_words, char **hostname,
+ char **path)
+{
+ int ret = 0;
+ char *delimiter = NULL;
+ char *tmp_host = NULL;
+ char *host_name = NULL;
+ char *words = NULL;
+
+ *hostname = NULL;
+ *path = NULL;
+
+ words = GF_CALLOC (1, strlen (tmp_words) + 1, gf_common_mt_char);
+ if (!words){
+ ret = -1;
+ goto out;
+ }
+
+ strncpy (words, tmp_words, strlen (tmp_words) + 1);
+
+ if (validate_brick_name (words)) {
+ cli_err ("Wrong brick type: %s, use <HOSTNAME>:"
+ "<export-dir-abs-path>", words);
+ ret = -1;
+ goto out;
+ } else {
+ delimiter = strrchr (words, ':');
+ ret = gf_canonicalize_path (delimiter + 1);
+ if (ret) {
+ goto out;
+ } else {
+ *path = GF_CALLOC (1, strlen (delimiter+1) +1,
+ gf_common_mt_char);
+ if (!*path) {
+ ret = -1;
+ goto out;
+
+ }
+ strncpy (*path, delimiter +1,
+ strlen(delimiter + 1) + 1);
+ }
+ }
+
+ tmp_host = gf_strdup (words);
+ if (!tmp_host) {
+ gf_log ("cli", GF_LOG_ERROR, "Out of memory");
+ ret = -1;
+ goto out;
+ }
+ get_host_name (tmp_host, &host_name);
+ if (!host_name) {
+ ret = -1;
+ gf_log("cli",GF_LOG_ERROR, "Unable to allocate "
+ "memory");
+ goto out;
+ }
+ if (!(strcmp (host_name, "localhost") &&
+ strcmp (host_name, "127.0.0.1") &&
+ strncmp (host_name, "0.", 2))) {
+ cli_err ("Please provide a valid hostname/ip other "
+ "than localhost, 127.0.0.1 or loopback "
+ "address (0.0.0.0 to 0.255.255.255).");
+ ret = -1;
+ goto out;
+ }
+ if (!valid_internet_address (host_name, _gf_false)) {
+ cli_err ("internet address '%s' does not conform to "
+ "standards", host_name);
+ ret = -1;
+ goto out;
+ }
+
+ *hostname = GF_CALLOC (1, strlen (host_name) + 1,
+ gf_common_mt_char);
+ if (!*hostname) {
+ ret = -1;
+ goto out;
+ }
+ strncpy (*hostname, host_name, strlen (host_name) + 1);
+ ret = 0;
+
+out:
+ GF_FREE (words);
+ GF_FREE (tmp_host);
+ return ret;
+}
+
+
int
cli_cmd_volume_heal_options_parse (const char **words, int wordcount,
dict_t **options)
{
int ret = 0;
dict_t *dict = NULL;
+ char *hostname = NULL;
+ char *path = NULL;
dict = dict_new ();
if (!dict)
@@ -2478,6 +2587,11 @@ cli_cmd_volume_heal_options_parse (const char **words, int wordcount,
ret = dict_set_int32 (dict, "heal-op",
GF_AFR_OP_HEAL_FULL);
goto done;
+ } else if (!strcmp (words[3], "statistics")) {
+ ret = dict_set_int32 (dict, "heal-op",
+ GF_AFR_OP_STATISTICS);
+ goto done;
+
} else if (!strcmp (words[3], "info")) {
ret = dict_set_int32 (dict, "heal-op",
GF_AFR_OP_INDEX_SUMMARY);
@@ -2488,28 +2602,66 @@ cli_cmd_volume_heal_options_parse (const char **words, int wordcount,
}
}
if (wordcount == 5) {
- if (strcmp (words[3], "info")) {
+ if (strcmp (words[3], "info") &&
+ strcmp (words[3], "statistics")) {
ret = -1;
goto out;
}
- if (!strcmp (words[4], "healed")) {
- ret = dict_set_int32 (dict, "heal-op",
- GF_AFR_OP_HEALED_FILES);
- goto done;
- }
- if (!strcmp (words[4], "heal-failed")) {
- ret = dict_set_int32 (dict, "heal-op",
- GF_AFR_OP_HEAL_FAILED_FILES);
- goto done;
+
+ if (!strcmp (words[3], "info")) {
+ if (!strcmp (words[4], "healed")) {
+ ret = dict_set_int32 (dict, "heal-op",
+ GF_AFR_OP_HEALED_FILES);
+ goto done;
+ }
+ if (!strcmp (words[4], "heal-failed")) {
+ ret = dict_set_int32 (dict, "heal-op",
+ GF_AFR_OP_HEAL_FAILED_FILES);
+ goto done;
+ }
+ if (!strcmp (words[4], "split-brain")) {
+ ret = dict_set_int32 (dict, "heal-op",
+ GF_AFR_OP_SPLIT_BRAIN_FILES);
+ goto done;
+ }
}
- if (!strcmp (words[4], "split-brain")) {
- ret = dict_set_int32 (dict, "heal-op",
- GF_AFR_OP_SPLIT_BRAIN_FILES);
- goto done;
+
+ if (!strcmp (words[3], "statistics")) {
+ if (!strcmp (words[4], "heal-count")) {
+ ret = dict_set_int32 (dict, "heal-op",
+ GF_AFR_OP_STATISTICS_HEAL_COUNT);
+ goto done;
+ }
}
ret = -1;
goto out;
}
+ if (wordcount == 7) {
+ if (!strcmp (words[3], "statistics")
+ && !strcmp (words[4], "heal-count")
+ && !strcmp (words[5], "replica")) {
+
+ ret = dict_set_int32 (dict, "heal-op",
+ GF_AFR_OP_STATISTICS_HEAL_COUNT_PER_REPLICA);
+ if (ret)
+ goto out;
+ ret = extract_hostname_path_from_token (words[6],
+ &hostname, &path);
+ if (ret)
+ goto out;
+ ret = dict_set_dynstr (dict, "per-replica-cmd-hostname",
+ hostname);
+ if (ret)
+ goto out;
+ ret = dict_set_dynstr (dict, "per-replica-cmd-path",
+ path);
+ if (ret)
+ goto out;
+ else
+ goto done;
+
+ }
+ }
ret = -1;
goto out;
done:
@@ -2614,3 +2766,917 @@ out:
return ret;
}
+
+int32_t
+cli_snap_create_desc_parse (dict_t *dict, const char **words,
+ size_t wordcount, int32_t desc_opt_loc)
+{
+ int32_t ret = -1;
+ char *desc = NULL;
+ int32_t desc_len = 0;
+
+ desc = GF_CALLOC (MAX_SNAP_DESCRIPTION_LEN + 1, sizeof(char),
+ gf_common_mt_char);
+ if (!desc) {
+ ret = -1;
+ goto out;
+ }
+
+
+ if (strlen (words[desc_opt_loc]) >= MAX_SNAP_DESCRIPTION_LEN) {
+ cli_out ("snapshot create: description truncated: "
+ "Description provided is longer than 1024 characters");
+ desc_len = MAX_SNAP_DESCRIPTION_LEN;
+ } else {
+ desc_len = strlen (words[desc_opt_loc]);
+ }
+
+ strncpy (desc, words[desc_opt_loc], desc_len);
+ desc[desc_len] = '\0';
+ /* Calculating the size of the description as given by the user */
+
+ ret = dict_set_dynstr (dict, "description", desc);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Unable to save snap "
+ "description");
+ goto out;
+ }
+
+ ret = 0;
+out:
+ if (ret && desc)
+ GF_FREE (desc);
+
+ return ret;
+}
+
+/* Function to check whether the Volume name is repeated */
+int
+cli_check_if_volname_repeated (const char **words, unsigned int start_index,
+ uint64_t cur_index) {
+ uint64_t i = -1;
+ int ret = 0;
+
+ GF_ASSERT (words);
+
+ for (i = start_index ; i < cur_index ; i++) {
+ if (strcmp (words[i], words[cur_index]) == 0) {
+ ret = -1;
+ goto out;
+ }
+ }
+out :
+ return ret;
+}
+
+/* snapshot create <snapname> <vol-name(s)> [description <description>]
+ * [force]
+ * @arg-0, dict : Request Dictionary to be sent to server side.
+ * @arg-1, words : Contains individual words of CLI command.
+ * @arg-2, wordcount: Contains number of words present in the CLI command.
+ *
+ * return value : -1 on failure
+ * 0 on success
+ */
+int
+cli_snap_create_parse (dict_t *dict, const char **words, int wordcount) {
+ uint64_t i = 0;
+ int ret = -1;
+ uint64_t volcount = 0;
+ char key[PATH_MAX] = "";
+ char *snapname = NULL;
+ unsigned int cmdi = 2;
+ /* cmdi is command index, here cmdi is "2" (gluster snapshot create)*/
+
+ GF_ASSERT (words);
+ GF_ASSERT (dict);
+
+ if (wordcount <= cmdi + 1) {
+ cli_err ("Invalid Syntax.");
+ gf_log ("cli", GF_LOG_ERROR,
+ "Too less words for snap create command");
+ goto out;
+ }
+
+ if (strlen(words[cmdi]) >= GLUSTERD_MAX_SNAP_NAME) {
+ cli_err ("snapshot create: failed: snapname cannot exceed "
+ "255 characters.");
+ gf_log ("cli", GF_LOG_ERROR, "Snapname too long");
+
+ goto out;
+ }
+
+ snapname = (char *) words[cmdi];
+ for (i = 0 ; i < strlen (snapname); i++) {
+ /* Following volume name convention */
+ if (!isalnum (snapname[i]) && (snapname[i] != '_'
+ && (snapname[i] != '-'))) {
+ /* TODO : Is this message enough?? */
+ cli_err ("Snapname can contain only alphanumeric, "
+ "\"-\" and \"_\" characters");
+ goto out;
+ }
+ }
+
+ ret = dict_set_str (dict, "snapname", (char *)words[cmdi]);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not save snap "
+ "name");
+ goto out;
+ }
+
+ /* Filling volume name in the dictionary */
+ for (i = cmdi + 1 ; i < wordcount
+ && (strcmp (words[i], "description")) != 0
+ && (strcmp (words[i], "force") != 0); i++) {
+ volcount++;
+ /* volume index starts from 1 */
+ ret = snprintf (key, sizeof (key),"volname%ld", volcount);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_set_str (dict, key, (char *)words[i]);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not "
+ "save volume name");
+ goto out;
+ }
+
+ if (i >= cmdi + 2) {
+ ret = -1;
+ cli_err("Creating multiple volume snapshot is not "
+ "supported as of now");
+ goto out;
+ }
+ /* TODO : remove this above condition check once
+ * multiple volume snapshot is supported */
+ }
+
+ if (volcount == 0) {
+ ret = -1;
+ cli_err ("Please provide the volume name");
+ gf_log ("cli", GF_LOG_ERROR, "Invalid Syntax");
+ goto out;
+ }
+
+ ret = dict_set_int32 (dict, "volcount", volcount);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not save volcount");
+ goto out;
+ }
+
+ /* Verify how we got out of "for" loop,
+ * if it is by reaching wordcount limit then goto "out",
+ * because we need not parse for "description" and "force"
+ * after this.
+ */
+ if (i == wordcount) {
+ goto out;
+ }
+
+ if ((strcmp (words[i], "description")) == 0) {
+ ++i;
+ if (i > (wordcount - 1)) {
+ ret = -1;
+ cli_err ("Please provide a description");
+ gf_log ("cli", GF_LOG_ERROR,
+ "Description not provided");
+ goto out;
+ }
+
+ ret = cli_snap_create_desc_parse(dict, words, wordcount, i);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not save snap "
+ "description");
+ goto out;
+ }
+
+ if ( i == (wordcount - 1))
+ goto out;
+ i++;
+ /* point the index to next word.
+ * As description might be follwed by force option.
+ * Before that, check if wordcount limit is reached
+ */
+ }
+
+ if ((strcmp (words[i], "force") != 0)) {
+ ret = -1;
+ cli_err ("Invalid Syntax.");
+ gf_log ("cli", GF_LOG_ERROR, "Invalid Syntax");
+ goto out;
+ }
+ ret = dict_set_int8 (dict, "snap-force", 1);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not save "
+ "snap force option");
+ goto out;
+ }
+
+ /* Check if the command has anything after "force" keyword */
+ if (++i < wordcount) {
+ ret = -1;
+ gf_log ("cli", GF_LOG_ERROR, "Invalid Syntax");
+ goto out;
+ }
+
+ ret = 0;
+
+out :
+ return ret;
+}
+
+/* snapshot list [volname]
+ * @arg-0, dict : Request Dictionary to be sent to server side.
+ * @arg-1, words : Contains individual words of CLI command.
+ * @arg-2, wordcount: Contains number of words present in the CLI command.
+ *
+ * return value : -1 on failure
+ * 0 on success
+ */
+int
+cli_snap_list_parse (dict_t *dict, const char **words, int wordcount) {
+ int ret = -1;
+
+ GF_ASSERT (words);
+ GF_ASSERT (dict);
+
+ if (wordcount < 2 || wordcount > 3) {
+ gf_log ("cli", GF_LOG_ERROR, "Invalid Syntax");
+ goto out;
+ }
+
+ if (wordcount == 2) {
+ ret = 0;
+ goto out;
+ }
+
+ ret = dict_set_str (dict, "volname", (char *)words[2]);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR,
+ "Failed to save volname in dictionary");
+ goto out;
+ }
+out :
+ return ret;
+}
+
+/* snapshot info [(snapname | volume <volname>)]
+ * @arg-0, dict : Request Dictionary to be sent to server side.
+ * @arg-1, words : Contains individual words of CLI command.
+ * @arg-2, wordcount: Contains number of words present in the CLI command.
+ *
+ * return value : -1 on failure
+ * 0 on success
+ */
+int
+cli_snap_info_parse (dict_t *dict, const char **words, int wordcount)
+{
+
+ int ret = -1;
+ int32_t cmd = GF_SNAP_INFO_TYPE_ALL;
+ unsigned int cmdi = 2;
+ /* cmdi is command index, here cmdi is "2" (gluster snapshot info)*/
+
+ GF_ASSERT (words);
+ GF_ASSERT (dict);
+
+ if (wordcount > 4 || wordcount < cmdi) {
+ gf_log ("", GF_LOG_ERROR, "Invalid syntax");
+ goto out;
+ }
+
+ if (wordcount == cmdi) {
+ ret = 0;
+ goto out;
+ }
+
+ /* If 3rd word is not "volume", then it must
+ * be snapname.
+ */
+ if (strcmp (words[cmdi], "volume") != 0) {
+ ret = dict_set_str (dict, "snapname",
+ (char *)words[cmdi]);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Unable to save "
+ "snapname %s", words[cmdi]);
+ goto out;
+ }
+
+ /* Once snap name is parsed, if we encounter any other
+ * word then fail it. Invalid Syntax.
+ * example : snapshot info <snapname> word
+ */
+ if ((cmdi + 1) != wordcount) {
+ ret = -1;
+ gf_log ("cli", GF_LOG_ERROR, "Invalid Syntax");
+ goto out;
+ }
+
+ cmd = GF_SNAP_INFO_TYPE_SNAP;
+ ret = 0;
+ goto out;
+ /* No need to continue the parsing once we
+ * get the snapname
+ */
+ }
+
+ /* If 3rd word is "volume", then check if next word
+ * is present. As, "snapshot info volume" is an
+ * invalid command.
+ */
+ if ((cmdi + 1) == wordcount) {
+ ret = -1;
+ gf_log ("cli", GF_LOG_ERROR, "Invalid Syntax");
+ goto out;
+ }
+
+ ret = dict_set_str (dict, "volname", (char *)words[wordcount - 1]);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Count not save "
+ "volume name %s", words[wordcount - 1]);
+ goto out;
+ }
+ cmd = GF_SNAP_INFO_TYPE_VOL;
+out :
+ if (ret == 0) {
+ ret = dict_set_int32 (dict, "cmd", cmd);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not save "
+ "type of snapshot info");
+ }
+ }
+ return ret;
+}
+
+
+
+/* snapshot restore <snapname>
+ * @arg-0, dict : Request Dictionary to be sent to server side.
+ * @arg-1, words : Contains individual words of CLI command.
+ * @arg-2, wordcount: Contains number of words present in the CLI command.
+ *
+ * return value : -1 on failure
+ * 0 on success
+ */
+int
+cli_snap_restore_parse (dict_t *dict, const char **words, int wordcount)
+{
+
+ int ret = -1;
+
+ GF_ASSERT (words);
+ GF_ASSERT (dict);
+
+ if (wordcount != 3) {
+ gf_log ("cli", GF_LOG_ERROR, "Invalid Syntax");
+ goto out;
+ }
+
+ ret = dict_set_str (dict, "snapname", (char *)words[2]);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Unable to save snap-name %s",
+ words[2]);
+ goto out;
+ }
+out :
+ return ret;
+}
+
+/* snapshot delete <snapname>
+ * @arg-0, dict : Request Dictionary to be sent to server side.
+ * @arg-1, words : Contains individual words of CLI command.
+ * @arg-2, wordcount: Contains number of words present in the CLI command.
+ *
+ * return value : -1 on failure
+ * 0 on success
+ * 1 if user cancel the operation
+ */
+int
+cli_snap_delete_parse (dict_t *dict, const char **words, int wordcount,
+ struct cli_state *state) {
+
+ int ret = -1;
+ const char *question = NULL;
+ gf_answer_t answer = GF_ANSWER_NO;
+
+ question = "Deleting snap will erase all the information about "
+ "the snap. Do you still want to continue?";
+
+ GF_ASSERT (words);
+ GF_ASSERT (dict);
+
+ if (wordcount != 3) {
+ gf_log ("cli", GF_LOG_ERROR, "Invalid Syntax");
+ goto out;
+ }
+
+ ret = dict_set_str (dict, "snapname", (char *)words[2]);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Unable to save snapname %s",
+ words[2]);
+ goto out;
+ }
+
+ answer = cli_cmd_get_confirmation (state, question);
+ if (GF_ANSWER_NO == answer) {
+ ret = 1;
+ gf_log ("cli", GF_LOG_DEBUG, "User cancelled "
+ "snapshot delete operation");
+ goto out;
+ }
+out :
+ return ret;
+}
+
+/* snapshot status [(snapname | volume <volname>)]
+ * @arg-0, dict : Request Dictionary to be sent to server side.
+ * @arg-1, words : Contains individual words of CLI command.
+ * @arg-2, wordcount: Contains number of words present in the CLI command.
+ *
+ * return value : -1 on failure
+ * 0 on success
+ */
+int
+cli_snap_status_parse (dict_t *dict, const char **words, int wordcount)
+{
+
+ int ret = -1;
+ int32_t cmd = GF_SNAP_STATUS_TYPE_ALL;
+ unsigned int cmdi = 2;
+ /* cmdi is command index, here cmdi is "2" (gluster snapshot status)*/
+
+ GF_ASSERT (words);
+ GF_ASSERT (dict);
+
+ if (wordcount > 4 || wordcount < cmdi) {
+ gf_log ("cli", GF_LOG_ERROR, "Invalid Syntax");
+ goto out;
+ }
+
+ if (wordcount == cmdi) {
+ ret = 0;
+ goto out;
+ }
+
+ /* if 3rd word is not "volume", then it must be "snapname"
+ */
+ if (strcmp (words[cmdi], "volume") != 0) {
+ ret = dict_set_str (dict, "snapname",
+ (char *)words[cmdi]);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Count not save "
+ "snap name %s", words[cmdi]);
+ goto out;
+ }
+
+ if ((cmdi + 1) != wordcount) {
+ ret = -1;
+ gf_log ("cli", GF_LOG_ERROR, "Invalid Syntax");
+ goto out;
+ }
+
+ ret = 0;
+ cmd = GF_SNAP_STATUS_TYPE_SNAP;
+ goto out;
+ }
+
+ /* If 3rd word is "volume", then check if next word is present.
+ * As, "snapshot info volume" is an invalid command
+ */
+ if ((cmdi + 1) == wordcount) {
+ ret = -1;
+ gf_log ("cli", GF_LOG_ERROR, "Invalid Syntax");
+ goto out;
+ }
+
+ ret = dict_set_str (dict, "volname", (char *)words [wordcount - 1]);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Count not save "
+ "volume name %s", words[wordcount - 1]);
+ goto out;
+ }
+ cmd = GF_SNAP_STATUS_TYPE_VOL;
+
+out :
+ if (ret == 0) {
+ ret = dict_set_int32 (dict, "cmd", cmd);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not save cmd "
+ "of snapshot status");
+ }
+ }
+ return ret;
+}
+
+
+int32_t
+cli_snap_config_limit_parse (const char **words, dict_t *dict,
+ unsigned int wordcount, unsigned int index,
+ char *key)
+{
+ int ret = -1;
+ int limit = 0;
+
+ GF_ASSERT (words);
+ GF_ASSERT (dict);
+ GF_ASSERT (key);
+
+ if (index >= wordcount) {
+ ret = -1;
+ cli_err ("Please provide a value for %s.",key);
+ gf_log ("cli", GF_LOG_ERROR, "Value not provided for %s", key);
+ goto out;
+ }
+
+ limit = strtol (words[index], NULL, 0);
+ if (limit <= 0) {
+ ret = -1;
+ cli_err ("%s should be greater than 0.", key);
+ goto out;
+ }
+
+ ret = dict_set_int32 (dict, key, limit);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not set "
+ "%s in dictionary", key);
+ goto out;
+ }
+
+out :
+ return ret;
+}
+
+/* function cli_snap_config_parse
+ * Config Syntax : gluster snapshot config [volname]
+ * [snap-max-hard-limit <count>]
+ * [snap-max-soft-limit <count>]
+ *
+ return value: <0 on failure
+ 1 if user cancels the operation
+ 0 on success
+
+ NOTE : snap-max-soft-limit can only be set for system.
+*/
+int32_t
+cli_snap_config_parse (const char **words, int wordcount, dict_t *dict,
+ struct cli_state *state)
+{
+ int ret = -1;
+ gf_answer_t answer = GF_ANSWER_NO;
+ gf_boolean_t vol_presence = _gf_false;
+ struct snap_config_opt_vals_ *conf_vals = NULL;
+ int8_t hard_limit = 0;
+ int8_t soft_limit = 0;
+ int8_t config_type = -1;
+ const char *question = NULL;
+ unsigned int cmdi = 2;
+ /* cmdi is command index, here cmdi is "2" (gluster snapshot config)*/
+
+ GF_ASSERT (words);
+ GF_ASSERT (dict);
+ GF_ASSERT (state);
+
+ if ((wordcount < 2) || (wordcount > 7)) {
+ gf_log ("cli", GF_LOG_ERROR,
+ "Invalid wordcount(%d)", wordcount);
+ goto out;
+ }
+
+ if (wordcount == 2) {
+ config_type = GF_SNAP_CONFIG_DISPLAY;
+ ret = 0;
+ goto set;
+ }
+
+ /* Check whether the 3rd word is volname */
+ if (strcmp (words[cmdi], "snap-max-hard-limit") != 0
+ && strcmp (words[cmdi], "snap-max-soft-limit") != 0) {
+ ret = dict_set_str (dict, "volname", (char *)words[cmdi]);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to set volname");
+ goto out;
+ }
+ cmdi++;
+ vol_presence = _gf_true;
+
+ if (cmdi == wordcount) {
+ config_type = GF_SNAP_CONFIG_DISPLAY;
+ ret = 0;
+ goto set;
+ }
+ }
+
+ config_type = GF_SNAP_CONFIG_TYPE_SET;
+
+ if (strcmp (words[cmdi], "snap-max-hard-limit") == 0) {
+ ret = cli_snap_config_limit_parse (words, dict, wordcount,
+ ++cmdi, "snap-max-hard-limit");
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to parse snap "
+ "config hard limit");
+ goto out;
+ }
+ hard_limit = 1;
+
+ if (++cmdi == wordcount) {
+ ret = 0;
+ goto set;
+ }
+ }
+
+ if (strcmp (words[cmdi], "snap-max-soft-limit") == 0) {
+ if (vol_presence == 1) {
+ ret = -1;
+ cli_err ("Soft limit cannot be set to individual "
+ "volumes.");
+ gf_log ("cli", GF_LOG_ERROR, "Soft limit cannot be "
+ "set to volumes");
+ goto out;
+ }
+
+ ret = cli_snap_config_limit_parse (words, dict, wordcount,
+ ++cmdi, "snap-max-soft-limit");
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to parse snap "
+ "config soft limit");
+ goto out;
+ }
+
+ if (++cmdi != wordcount) {
+ ret = -1;
+ gf_log ("cli", GF_LOG_ERROR, "Invalid Syntax");
+ goto out;
+ }
+ soft_limit = 1;
+ } else {
+ ret = -1;
+ gf_log ("cli", GF_LOG_ERROR, "Invalid Syntax");
+ goto out;
+ }
+ ret = 0; /* Success */
+
+set:
+ ret = dict_set_int32 (dict, "config-command", config_type);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Unable to set "
+ "config-command");
+ goto out;
+ }
+
+ if (config_type == GF_SNAP_CONFIG_TYPE_SET) {
+ conf_vals = snap_confopt_vals;
+ if (hard_limit && soft_limit) {
+ question = conf_vals[GF_SNAP_CONFIG_SET_BOTH].question;
+ } else if (soft_limit) {
+ question = conf_vals[GF_SNAP_CONFIG_SET_SOFT].question;
+ } else if (hard_limit) {
+ question = conf_vals[GF_SNAP_CONFIG_SET_HARD].question;
+ }
+
+ answer = cli_cmd_get_confirmation (state, question);
+ if (GF_ANSWER_NO == answer) {
+ ret = 1;
+ gf_log ("cli", GF_LOG_DEBUG, "User cancelled "
+ "snapshot config operation");
+ }
+ }
+
+out:
+ return ret;
+}
+
+int
+validate_snapname (const char *snapname, char **opwords) {
+ int ret = -1;
+ int i = 0;
+
+ GF_ASSERT (snapname);
+ GF_ASSERT (opwords);
+
+ for (i = 0 ; opwords[i] != NULL; i++) {
+ if (strcmp (opwords[i], snapname) == 0) {
+ cli_out ("\"%s\" cannot be a snapname", snapname);
+ goto out;
+ }
+ }
+ ret = 0;
+out :
+ return ret;
+}
+
+int32_t
+cli_cmd_snapshot_parse (const char **words, int wordcount, dict_t **options,
+ struct cli_state *state)
+{
+ int32_t ret = -1;
+ dict_t *dict = NULL;
+ gf1_cli_snapshot type = GF_SNAP_OPTION_TYPE_NONE;
+ char *w = NULL;
+ char *opwords[] = {"create", "delete", "restore", "start",
+ "stop", "list", "status", "config",
+ "info", NULL};
+ char *invalid_snapnames[] = {"description", "force",
+ "volume", NULL};
+
+ GF_ASSERT (words);
+ GF_ASSERT (options);
+ GF_ASSERT (state);
+
+ dict = dict_new ();
+ if (!dict)
+ goto out;
+
+ /* Lowest wordcount possible */
+ if (wordcount < 2) {
+ gf_log ("", GF_LOG_ERROR,
+ "Invalid command: Not enough arguments");
+ goto out;
+ }
+
+ w = str_getunamb (words[1], opwords);
+ if (!w) {
+ /* Checks if the operation is a valid operation */
+ gf_log ("", GF_LOG_ERROR, "Opword Mismatch");
+ goto out;
+ }
+
+ if (!strcmp (w, "create")) {
+ type = GF_SNAP_OPTION_TYPE_CREATE;
+ } else if (!strcmp (w, "list")) {
+ type = GF_SNAP_OPTION_TYPE_LIST;
+ } else if (!strcmp (w, "info")) {
+ type = GF_SNAP_OPTION_TYPE_INFO;
+ } else if (!strcmp (w, "delete")) {
+ type = GF_SNAP_OPTION_TYPE_DELETE;
+ } else if (!strcmp (w, "config")) {
+ type = GF_SNAP_OPTION_TYPE_CONFIG;
+ } else if (!strcmp (w, "restore")) {
+ type = GF_SNAP_OPTION_TYPE_RESTORE;
+ } else if (!strcmp (w, "status")) {
+ type = GF_SNAP_OPTION_TYPE_STATUS;
+ }
+
+ if (type != GF_SNAP_OPTION_TYPE_CONFIG) {
+ ret = dict_set_int32 (dict, "hold_snap_locks", _gf_true);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR,
+ "Unable to set hold-snap-locks value "
+ "as _gf_true");
+ goto out;
+ }
+ }
+
+ /* Check which op is intended */
+ switch (type) {
+ case GF_SNAP_OPTION_TYPE_CREATE:
+ {
+ /* Syntax :
+ * gluster snapshot create <snapname> <vol-name(s)>
+ * [description <description>]
+ * [force]
+ */
+
+ /* In cases where the snapname is not given then
+ * parsing fails & snapname cannot be "description",
+ * "force" and "volume", that check is made here
+ */
+ if (wordcount == 2){
+ ret = -1;
+ gf_log ("cli", GF_LOG_ERROR,
+ "Invalid Syntax");
+ goto out;
+ }
+
+ ret = validate_snapname (words[2], invalid_snapnames);
+ if (ret) {
+ goto out;
+ }
+
+ ret = cli_snap_create_parse (dict, words, wordcount);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR,
+ "create command parsing failed.");
+ goto out;
+ }
+ break;
+ }
+ case GF_SNAP_OPTION_TYPE_INFO:
+ {
+ /* Syntax :
+ * gluster snapshot info [(snapname] | [vol <volname>)]
+ */
+ ret = cli_snap_info_parse (dict, words, wordcount);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to parse "
+ "snapshot info command");
+ goto out;
+ }
+ break;
+ }
+
+ case GF_SNAP_OPTION_TYPE_LIST:
+ {
+ /* Syntax :
+ * gluster snaphsot list [volname]
+ */
+
+ ret = cli_snap_list_parse (dict, words, wordcount);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to parse "
+ "snapshot list command");
+ goto out;
+ }
+ break;
+ }
+
+ case GF_SNAP_OPTION_TYPE_DELETE:
+ {
+ /* Syntax :
+ * gluster snapshot delete <snapname>
+ */
+ ret = cli_snap_delete_parse (dict, words, wordcount,
+ state);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to parse "
+ "snapshot delete command");
+ goto out;
+ }
+ break;
+ }
+
+ case GF_SNAP_OPTION_TYPE_CONFIG:
+ {
+ /* snapshot config [volname] [snap-max-hard-limit <count>]
+ * [snap-max-soft-limit <percent>] */
+ ret = cli_snap_config_parse (words, wordcount, dict,
+ state);
+ if (ret) {
+ if (ret < 0)
+ gf_log ("cli", GF_LOG_ERROR,
+ "config command parsing failed.");
+ goto out;
+ }
+
+ ret = dict_set_int32 (dict, "type",
+ GF_SNAP_OPTION_TYPE_CONFIG);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Unable to set "
+ "config type");
+ ret = -1;
+ goto out;
+ }
+ break;
+ }
+ case GF_SNAP_OPTION_TYPE_STATUS:
+ {
+ /* Syntax :
+ * gluster snapshot status [(snapname |
+ * volume <volname>)]
+ */
+ ret = cli_snap_status_parse (dict, words, wordcount);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to parse "
+ "snapshot status command");
+ goto out;
+ }
+ break;
+ }
+
+ case GF_SNAP_OPTION_TYPE_RESTORE:
+ {
+ /* Syntax:
+ * snapshot restore <snapname>
+ */
+ ret = cli_snap_restore_parse (dict, words, wordcount);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to parse "
+ "restore command");
+ goto out;
+ }
+ break;
+ }
+ default:
+ gf_log ("", GF_LOG_ERROR, "Opword Mismatch");
+ goto out;
+ break;
+ }
+
+ ret = dict_set_int32 (dict, "type", type);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR,
+ "Failed to set type.");
+ goto out;
+ }
+ /* If you got so far, input is valid */
+ ret = 0;
+out:
+ if (ret) {
+ if (dict)
+ dict_destroy (dict);
+ } else
+ *options = dict;
+
+ return ret;
+}
generated by cgit (git 2.34.1) at 2026-01-12 03:22:43 +0000