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authorAvra Sengupta <asengupt@redhat.com>2014-02-19 16:30:11 +0530
committerVijay Bellur <vbellur@redhat.com>2014-04-11 16:29:17 -0700
commit29bccc2ed18eedc40e83d2f0d35327037a322384 (patch)
tree207829c5a0535af28cbad6de90497d2f48093d1a /cli
parent2045c9ea1c7c3aac9d377070df6f0ee99619f421 (diff)
gluster: GlusterFS Volume Snapshot Feature
This is the initial patch for the Snapshot feature. Current patch includes following features: * Snapshot create * Snapshot delete * Snapshot restore * Snapshot list * Snapshot info * Snapshot status * Snapshot config Change-Id: I2f46920c0d61c515f6a60e0f8b46fff886d9f6a9 BUG: 1061685 Signed-off-by: shishir gowda <sgowda@redhat.com> Signed-off-by: Sachin Pandit <spandit@redhat.com> Signed-off-by: Vijaikumar M <vmallika@redhat.com> Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com> Signed-off-by: Rajesh Joseph <rjoseph@redhat.com> Signed-off-by: Joseph Fernandes <josferna@redhat.com> Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/7128 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Diffstat (limited to 'cli')
-rw-r--r--cli/src/Makefile.am2
-rw-r--r--cli/src/cli-cmd-misc.c3
-rw-r--r--cli/src/cli-cmd-parser.c938
-rw-r--r--cli/src/cli-cmd-snapshot.c145
-rw-r--r--cli/src/cli-cmd.c3
-rw-r--r--cli/src/cli-cmd.h2
-rw-r--r--cli/src/cli-rpc-ops.c1041
-rw-r--r--cli/src/cli-xml-output.c13
-rw-r--r--cli/src/cli.h10
9 files changed, 2152 insertions, 5 deletions
diff --git a/cli/src/Makefile.am b/cli/src/Makefile.am
index 300c00e..4f8f239 100644
--- a/cli/src/Makefile.am
+++ b/cli/src/Makefile.am
@@ -2,7 +2,7 @@ sbin_PROGRAMS = gluster
gluster_SOURCES = cli.c registry.c input.c cli-cmd.c cli-rl.c \
cli-cmd-volume.c cli-cmd-peer.c cli-rpc-ops.c cli-cmd-parser.c\
- cli-cmd-system.c cli-cmd-misc.c cli-xml-output.c cli-quotad-client.c
+ cli-cmd-system.c cli-cmd-misc.c cli-xml-output.c cli-quotad-client.c cli-cmd-snapshot.c
gluster_LDADD = $(top_builddir)/libglusterfs/src/libglusterfs.la $(GF_LDADD)\
$(RLLIBS) $(top_builddir)/rpc/xdr/src/libgfxdr.la \
diff --git a/cli/src/cli-cmd-misc.c b/cli/src/cli-cmd-misc.c
index 4aec8dd..566d7c9 100644
--- a/cli/src/cli-cmd-misc.c
+++ b/cli/src/cli-cmd-misc.c
@@ -32,6 +32,7 @@ extern struct cli_cmd cli_probe_cmds[];
extern struct cli_cmd cli_log_cmds[];
extern struct cli_cmd cli_system_cmds[];
extern struct cli_cmd cli_bd_cmds[];
+extern struct cli_cmd snapshot_cmds[];
struct cli_cmd cli_misc_cmds[];
int
@@ -46,7 +47,7 @@ cli_cmd_display_help (struct cli_state *state, struct cli_cmd_word *in_word,
const char **words, int wordcount)
{
struct cli_cmd *cmd[] = {volume_cmds, cli_probe_cmds,
- cli_misc_cmds,
+ cli_misc_cmds, snapshot_cmds,
NULL};
struct cli_cmd *cmd_ind = NULL;
int i = 0;
diff --git a/cli/src/cli-cmd-parser.c b/cli/src/cli-cmd-parser.c
index afa1611..9714449 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)
{
@@ -163,7 +195,9 @@ cli_cmd_volume_create_parse (const char **words, int wordcount, dict_t **options
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;
@@ -2866,3 +2900,903 @@ 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(%s)", (char *)words[cmdi]);
+ 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(%s)", (char *)words[i]);
+ 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 for snap %s",
+ (char *)words[2]);
+ 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;
+ }
+
+ 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;
+}
diff --git a/cli/src/cli-cmd-snapshot.c b/cli/src/cli-cmd-snapshot.c
new file mode 100644
index 0000000..941dcbd
--- /dev/null
+++ b/cli/src/cli-cmd-snapshot.c
@@ -0,0 +1,145 @@
+/*
+ Copyright (c) 2013-2014 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
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <pthread.h>
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "cli.h"
+#include "cli-cmd.h"
+
+extern rpc_clnt_prog_t *cli_rpc_prog;
+
+int
+cli_cmd_snapshot_help_cbk (struct cli_state *state, struct cli_cmd_word *in_word,
+ const char **words, int wordcount);
+
+int
+cli_cmd_snapshot_cbk (struct cli_state *state, struct cli_cmd_word *word,
+ const char **words, int wordcount)
+{
+ int ret = 0;
+ int parse_err = 0;
+ dict_t *options = NULL;
+ rpc_clnt_procedure_t *proc = NULL;
+ call_frame_t *frame = NULL;
+ cli_local_t *local = NULL;
+
+ proc = &cli_rpc_prog->proctable [GLUSTER_CLI_SNAP];
+ if (proc == NULL) {
+ ret = -1;
+ goto out;
+ }
+
+ frame = create_frame (THIS, THIS->ctx->pool);
+ if (frame == NULL) {
+ ret = -1;
+ goto out;
+ }
+
+ /* Parses the command entered by the user */
+ ret = cli_cmd_snapshot_parse (words, wordcount, &options, state);
+ if (ret) {
+ if (ret < 0) {
+ cli_usage_out (word->pattern);
+ parse_err = 1;
+ } else {
+ /* User might have cancelled the snapshot operation */
+ ret = 0;
+ }
+ goto out;
+ }
+
+ CLI_LOCAL_INIT (local, words, frame, options);
+
+ if (proc->fn)
+ ret = proc->fn (frame, THIS, options);
+
+out:
+ if (ret && parse_err == 0)
+ cli_out ("Snapshot command failed");
+
+ CLI_STACK_DESTROY (frame);
+
+ return ret;
+}
+
+struct cli_cmd snapshot_cmds[] = {
+ { "snapshot help",
+ cli_cmd_snapshot_help_cbk,
+ "display help for snapshot commands"
+ },
+ { "snapshot create <snapname> <volname(s)> [description <description>] [force]",
+ cli_cmd_snapshot_cbk,
+ "Snapshot Create."
+ },
+ { "snapshot restore <snapname>",
+ cli_cmd_snapshot_cbk,
+ "Snapshot Restore."
+ },
+ { "snapshot status [(snapname | volume <volname>)]",
+ cli_cmd_snapshot_cbk,
+ "Snapshot Status."
+ },
+ { "snapshot info [(snapname | volume <volname>)]",
+ cli_cmd_snapshot_cbk,
+ "Snapshot Info."
+ },
+ { "snapshot list [volname]",
+ cli_cmd_snapshot_cbk,
+ "Snapshot List."
+ },
+ {"snapshot config [volname] [snap-max-hard-limit <count>] [snap-max-soft-limit <percent>]",
+ cli_cmd_snapshot_cbk,
+ "Snapshot Config."
+ },
+ {"snapshot delete <snapname>",
+ cli_cmd_snapshot_cbk,
+ "Snapshot Delete."
+ },
+ { NULL, NULL, NULL }
+};
+
+int
+cli_cmd_snapshot_help_cbk (struct cli_state *state,
+ struct cli_cmd_word *in_word,
+ const char **words,
+ int wordcount)
+{
+ struct cli_cmd *cmd = NULL;
+
+ for (cmd = snapshot_cmds; cmd->pattern; cmd++)
+ if (_gf_false == cmd->disable)
+ cli_out ("%s - %s", cmd->pattern, cmd->desc);
+
+ return 0;
+}
+
+int
+cli_cmd_snapshot_register (struct cli_state *state)
+{
+ int ret = 0;
+ struct cli_cmd *cmd = NULL;
+
+ for (cmd = snapshot_cmds; cmd->pattern; cmd++) {
+
+ ret = cli_cmd_register (&state->tree, cmd);
+ if (ret)
+ goto out;
+ }
+out:
+ return ret;
+}
diff --git a/cli/src/cli-cmd.c b/cli/src/cli-cmd.c
index 63b9392..ec2d58a 100644
--- a/cli/src/cli-cmd.c
+++ b/cli/src/cli-cmd.c
@@ -231,6 +231,9 @@ cli_cmds_register (struct cli_state *state)
if (ret)
goto out;
+ ret = cli_cmd_snapshot_register (state);
+ if (ret)
+ goto out;
out:
return ret;
}
diff --git a/cli/src/cli-cmd.h b/cli/src/cli-cmd.h
index 541b4ff..91d15b7 100644
--- a/cli/src/cli-cmd.h
+++ b/cli/src/cli-cmd.h
@@ -93,6 +93,8 @@ int cli_cmd_probe_register (struct cli_state *state);
int cli_cmd_system_register (struct cli_state *state);
+int cli_cmd_snapshot_register (struct cli_state *state);
+
int cli_cmd_misc_register (struct cli_state *state);
struct cli_cmd_word *cli_cmd_nextword (struct cli_cmd_word *word,
diff --git a/cli/src/cli-rpc-ops.c b/cli/src/cli-rpc-ops.c
index 239a29b..ebabf6b 100644
--- a/cli/src/cli-rpc-ops.c
+++ b/cli/src/cli-rpc-ops.c
@@ -22,6 +22,8 @@
#define VOL_TOP_PERF_SPEED_WIDTH 4
#define VOL_TOP_PERF_TIME_WIDTH 26
+#define INDENT_MAIN_HEAD "%-25s %s "
+
#include "cli.h"
#include "compat-errno.h"
#include "cli-cmd.h"
@@ -291,7 +293,7 @@ gf_cli_output_pool_list (dict_t *dict, int count)
else
connected_str = "Disconnected";
- cli_out ("%s\t%-8s\t%s ", uuid_buf, hostname_buf,
+ cli_out ("%s\t%-9s\t%s ", uuid_buf, hostname_buf,
connected_str);
i++;
}
@@ -508,6 +510,9 @@ gf_cli_get_volume_cbk (struct rpc_req *req, struct iovec *iov,
gf_cli_rsp rsp = {0};
char *caps = NULL;
int k __attribute__((unused)) = 0;
+ /* snap_volume variable helps in showing whether a volume is a normal
+ * volume or a volume for the snapshot */
+ int32_t snap_volume = 0;
if (-1 == req->rpc_status)
goto out;
@@ -629,6 +634,11 @@ xml_output:
if (ret)
goto out;
+ snprintf (key, sizeof (key), "volume%d.snap_volume", i);
+ ret = dict_get_int32 (dict, key, &snap_volume);
+ if (ret)
+ goto out;
+
snprintf (key, 256, "volume%d.brick_count", i);
ret = dict_get_int32 (dict, key, &brick_count);
if (ret)
@@ -669,6 +679,10 @@ xml_output:
cli_out ("Type: %s", cli_vol_type_str[vol_type]);
cli_out ("Volume ID: %s", volume_id_str);
cli_out ("Status: %s", cli_vol_status_str[status]);
+ if (snap_volume)
+ cli_out ("Snap Volume: %s", "yes");
+ else
+ cli_out ("Snap Volume: %s", "no");
#ifdef HAVE_BD_XLATOR
k = 0;
@@ -7619,6 +7633,1030 @@ out:
return ret;
}
+int32_t
+cli_snapshot_remove_reply (gf_cli_rsp *rsp, dict_t *dict, call_frame_t *frame)
+{
+ int32_t ret = -1;
+ char *snap_name = NULL;
+
+ GF_ASSERT (rsp);
+ GF_ASSERT (dict);
+ GF_ASSERT (frame);
+
+ if (rsp->op_ret) {
+ cli_err("snapshot delete: failed: %s",
+ rsp->op_errstr ? rsp->op_errstr :
+ "Please check log file for details");
+ ret = rsp->op_ret;
+ goto out;
+ }
+
+ ret = dict_get_str (dict, "snapname", &snap_name);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to get snapname");
+ goto out;
+ }
+
+ cli_out ("snapshot delete: %s: snap removed successfully",
+ snap_name);
+ ret = 0;
+
+out:
+ return ret;
+}
+
+int
+cli_snapshot_config_display (dict_t *dict, gf_cli_rsp *rsp)
+{
+ char buf[PATH_MAX] = "";
+ char *volname = NULL;
+ int ret = -1;
+ int config_command = 0;
+ uint64_t value = 0;
+ uint64_t hard_limit = 0;
+ uint64_t soft_limit = 0;
+ uint64_t i = 0;
+ uint64_t voldisplaycount = 0;
+
+ GF_ASSERT (dict);
+ GF_ASSERT (rsp);
+
+ if (rsp->op_ret) {
+ cli_err ("Snapshot Config : failed: %s",
+ rsp->op_errstr ? rsp->op_errstr :
+ "Please check log file for details");
+ ret = rsp->op_ret;
+ goto out;
+ }
+
+ ret = dict_get_int32 (dict, "config-command", &config_command);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch config type");
+ goto out;
+ }
+
+ ret = dict_get_str (dict, "volname", &volname);
+ /* Ignore the error, as volname is optional */
+
+ if (!volname) {
+ volname = "System";
+ }
+
+ ret = dict_get_uint64 (dict, "snap-max-hard-limit", &hard_limit);
+ /* Ignore the error, as the key specified is optional */
+ ret = dict_get_uint64 (dict, "snap-max-soft-limit", &soft_limit);
+
+ if (!hard_limit && !soft_limit
+ && config_command != GF_SNAP_CONFIG_DISPLAY) {
+ ret = -1;
+ gf_log(THIS->name, GF_LOG_ERROR,
+ "Could not fetch config-key");
+ goto out;
+ }
+
+ switch (config_command) {
+ case GF_SNAP_CONFIG_TYPE_SET:
+ if (hard_limit && soft_limit) {
+ cli_out ("snapshot config: snap-max-hard-limit "
+ "& snap-max-soft-limit for system set "
+ "successfully");
+ } else if (hard_limit) {
+ cli_out ("snapshot config: %s "
+ "for snap-max-hard-limit set successfully",
+ volname);
+ } else if (soft_limit) {
+ cli_out ("snapshot config: %s "
+ "for snap-max-soft-limit set successfully",
+ volname);
+ }
+ break;
+
+ case GF_SNAP_CONFIG_DISPLAY:
+ cli_out ("\nSnapshot System Configuration:");
+ ret = dict_get_uint64 (dict, "snap-max-hard-limit",
+ &value);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch "
+ "snap_max_hard_limit for %s", volname);
+ ret = -1;
+ goto out;
+ }
+ cli_out ("snap-max-hard-limit : %"PRIu64, value);
+
+ ret = dict_get_uint64 (dict, "snap-max-soft-limit",
+ &soft_limit);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch "
+ "snap-max-soft-limit for %s", volname);
+ ret = -1;
+ goto out;
+ }
+ cli_out ("snap-max-soft-limit : %"PRIu64"%%\n",
+ soft_limit);
+
+ cli_out ("Snapshot Volume Configuration:");
+
+ ret = dict_get_uint64 (dict, "voldisplaycount",
+ &voldisplaycount);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR,
+ "Could not fetch voldisplaycount");
+ ret = -1;
+ goto out;
+ }
+
+ for (i = 0; i < voldisplaycount; i++) {
+ snprintf (buf, sizeof(buf), "volume%ld-volname", i);
+ ret = dict_get_str (dict, buf, &volname);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch "
+ " %s", buf);
+ ret = -1;
+ goto out;
+ }
+ cli_out ("\nVolume : %s", volname);
+
+ snprintf (buf, sizeof(buf),
+ "volume%ld-snap-max-hard-limit", i);
+ ret = dict_get_uint64 (dict, buf, &value);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch "
+ " %s", buf);
+ ret = -1;
+ goto out;
+ }
+ cli_out ("snap-max-hard-limit : %"PRIu64, value);
+
+ snprintf (buf, sizeof(buf),
+ "volume%ld-active-hard-limit", i);
+ ret = dict_get_uint64 (dict, buf, &value);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch"
+ " effective snap_max_hard_limit for "
+ "%s", volname);
+ ret = -1;
+ goto out;
+ }
+ cli_out ("Effective snap-max-hard-limit : %"PRIu64,
+ value);
+
+ snprintf (buf, sizeof(buf),
+ "volume%ld-snap-max-soft-limit", i);
+ ret = dict_get_uint64 (dict, buf, &value);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch "
+ " %s", buf);
+ ret = -1;
+ goto out;
+ }
+ cli_out ("Effective snap-max-soft-limit : %"PRIu64" "
+ "(%"PRIu64"%%)", value, soft_limit);
+ }
+ break;
+ default:
+ break;
+ }
+
+ ret = 0;
+out:
+ return ret;
+}
+
+/* This function is used to print the volume related information
+ * of a snap.
+ *
+ * arg - 0, dict : Response Dictionary.
+ * arg - 1, prefix str : snaplist.snap{0..}.vol{0..}.*
+ */
+int
+cli_get_each_volinfo_in_snap (dict_t *dict, char *keyprefix,
+ gf_boolean_t snap_driven) {
+ char key[PATH_MAX] = "";
+ char *get_buffer = NULL;
+ int value = 0;
+ int ret = -1;
+ char indent[5] = "\t";
+ char *volname = NULL;
+
+ GF_ASSERT (dict);
+ GF_ASSERT (keyprefix);
+
+ if (snap_driven) {
+ ret = snprintf (key, sizeof (key), "%s.volname", keyprefix);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_str (dict, key, &get_buffer);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to get %s", key);
+ goto out;
+ }
+ cli_out ("%s" INDENT_MAIN_HEAD "%s", indent,
+ "Snap Volume Name", ":", get_buffer);
+
+ ret = snprintf (key, sizeof (key),
+ "%s.origin-volname", keyprefix);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_str (dict, key, &volname);
+ if (ret) {
+ gf_log ("cli", GF_LOG_WARNING, "Failed to get %s", key);
+ cli_out ("%-12s", "Origin:");
+ }
+ cli_out ("%s" INDENT_MAIN_HEAD "%s", indent,
+ "Origin Volume name", ":", volname);
+
+
+ ret = snprintf (key, sizeof (key), "%s.snapcount",
+ keyprefix);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_int32 (dict, key, &value);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to get %s", key);
+ goto out;
+ }
+ cli_out ("%s%s %s %s %d", indent, "Snaps taken for",
+ volname, ":", value);
+
+ ret = snprintf (key, sizeof (key), "%s.snaps-available",
+ keyprefix);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_int32 (dict, key, &value);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to get %s", key);
+ goto out;
+ }
+ cli_out ("%s%s %s %s %d", indent, "Snaps available for",
+ volname, ":", value);
+ }
+
+
+ ret = snprintf (key, sizeof (key), "%s.vol-status", keyprefix);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_str (dict, key, &get_buffer);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to get %s", key);
+ goto out;
+ }
+ cli_out ("%s" INDENT_MAIN_HEAD "%s", indent, "Status",
+ ":", get_buffer);
+out:
+ return ret;
+}
+
+/* This function is used to print snap related information
+ * arg - 0, dict : Response dictionary.
+ * arg - 1, prefix_str : snaplist.snap{0..}.*
+ */
+int
+cli_get_volinfo_in_snap (dict_t *dict, char *keyprefix) {
+
+ char key[PATH_MAX] = "";
+ int i = 0;
+ int volcount = 0;
+ int ret = -1;
+
+ GF_ASSERT (dict);
+ GF_ASSERT (keyprefix);
+
+ ret = snprintf (key, sizeof (key), "%s.vol-count", keyprefix);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_int32 (dict, key, &volcount);
+ for (i = 1 ; i <= volcount ; i++) {
+ ret = snprintf (key, sizeof (key),
+ "%s.vol%d", keyprefix, i);
+ if (ret < 0) {
+ goto out;
+ }
+ ret = cli_get_each_volinfo_in_snap (dict, key, _gf_true);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not list "
+ "details of volume in a snap");
+ goto out;
+ }
+ cli_out (" ");
+ }
+
+out:
+ return ret;
+}
+
+int
+cli_get_each_snap_info (dict_t *dict, char *prefix_str,
+ gf_boolean_t snap_driven) {
+ char key_buffer[PATH_MAX] = "";
+ char *get_buffer = NULL;
+ int ret = -1;
+ char indent[5] = "";
+
+ GF_ASSERT (dict);
+ GF_ASSERT (prefix_str);
+
+ if (!snap_driven)
+ strcat (indent, "\t");
+
+ ret = snprintf (key_buffer, sizeof (key_buffer), "%s.snapname",
+ prefix_str);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_str (dict, key_buffer, &get_buffer);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Unable to fetch snapname %s ",
+ key_buffer);
+ goto out;
+ }
+ cli_out ("%s" INDENT_MAIN_HEAD "%s", indent, "Snapshot",
+ ":", get_buffer);
+
+ ret = snprintf (key_buffer, sizeof (key_buffer), "%s.snap-id",
+ prefix_str);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_str (dict, key_buffer, &get_buffer);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Unable to fetch snap-id %s ",
+ key_buffer);
+ goto out;
+ }
+ cli_out ("%s" INDENT_MAIN_HEAD "%s", indent, "Snap UUID",
+ ":", get_buffer);
+
+ ret = snprintf (key_buffer, sizeof (key_buffer), "%s.snap-desc",
+ prefix_str);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_str (dict, key_buffer, &get_buffer);
+ if (!ret) {
+ /* Ignore error for description */
+ cli_out ("%s" INDENT_MAIN_HEAD "%s", indent,
+ "Description", ":", get_buffer);
+ }
+
+ ret = snprintf (key_buffer, sizeof (key_buffer), "%s.snap-time",
+ prefix_str);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_str (dict, key_buffer, &get_buffer);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Unable to fetch snap-time %s ",
+ prefix_str);
+ goto out;
+ }
+ cli_out ("%s" INDENT_MAIN_HEAD "%s", indent, "Created",
+ ":", get_buffer);
+
+ if (snap_driven) {
+ cli_out ("%-12s", "Snap Volumes:\n");
+ ret = cli_get_volinfo_in_snap (dict, prefix_str);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Unable to list details "
+ "of the snaps");
+ goto out;
+ }
+ }
+out:
+ return ret;
+}
+
+/* This is a generic function to print snap related information.
+ * arg - 0, dict : Response Dictionary
+ */
+int
+cli_call_snapshot_info (dict_t *dict, gf_boolean_t bool_snap_driven) {
+ int snap_count = 0;
+ char key[PATH_MAX] = "";
+ int ret = -1;
+ int i = 0;
+
+ GF_ASSERT (dict);
+
+ ret = dict_get_int32 (dict, "snap-count", &snap_count);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Unable to get snap-count");
+ goto out;
+ }
+
+ if (snap_count == 0) {
+ cli_out ("No snapshots present");
+ }
+
+ for (i = 1 ; i <= snap_count ; i++) {
+ ret = snprintf (key, sizeof (key), "snap%d", i);
+ if (ret < 0) {
+ goto out;
+ }
+ ret = cli_get_each_snap_info (dict, key, bool_snap_driven);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR,
+ "Unable to print snap details");
+ goto out;
+ }
+ }
+out:
+ return ret;
+}
+
+int
+cli_get_snaps_in_volume (dict_t *dict) {
+ int ret = -1;
+ int i = 0;
+ int count = 0;
+ int avail = 0;
+ char key[PATH_MAX] = "";
+ char *get_buffer = NULL;
+
+ GF_ASSERT (dict);
+
+ ret = dict_get_str (dict, "origin-volname", &get_buffer);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch origin-volname");
+ goto out;
+ }
+ cli_out (INDENT_MAIN_HEAD "%s", "Volume Name", ":", get_buffer);
+
+ ret = dict_get_int32 (dict, "snap-count", &avail);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch snap-count");
+ goto out;
+ }
+ cli_out (INDENT_MAIN_HEAD "%d", "Snaps Taken", ":", avail);
+
+ ret = dict_get_int32 (dict, "snaps-available", &count);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch snaps-available");
+ goto out;
+ }
+ cli_out (INDENT_MAIN_HEAD "%d", "Snaps Available", ":", count);
+
+ for (i = 1 ; i <= avail ; i++) {
+ snprintf (key, sizeof (key), "snap%d", i);
+ ret = cli_get_each_snap_info (dict, key, _gf_false);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR,
+ "Unable to print snap details");
+ goto out;
+ }
+
+ ret = snprintf (key, sizeof (key), "snap%d.vol1", i);
+ if (ret < 0) {
+ goto out;
+ }
+ ret = cli_get_each_volinfo_in_snap (dict, key, _gf_false);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not get volume "
+ "related information");
+ goto out;
+ }
+
+ cli_out (" ");
+ }
+out:
+ return ret;
+}
+
+int
+cli_snapshot_list (dict_t *dict) {
+ int snapcount = 0;
+ char key[PATH_MAX] = "";
+ int ret = -1;
+ int i = 0;
+ char *get_buffer = NULL;
+
+ GF_ASSERT (dict);
+
+ ret = dict_get_int32 (dict, "snap-count", &snapcount);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch snap count");
+ goto out;
+ }
+
+ if (snapcount == 0) {
+ cli_out ("No snapshots present");
+ }
+
+ for (i = 1 ; i <= snapcount ; i++) {
+ ret = snprintf (key, sizeof (key), "snapname%d", i);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_str (dict, key, &get_buffer);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not get %s ", key);
+ goto out;
+ } else {
+ cli_out ("%s", get_buffer);
+ }
+ }
+out:
+ return ret;
+}
+
+int
+cli_get_snap_volume_status (dict_t *dict, char *key_prefix)
+{
+ int ret = -1;
+ char key[PATH_MAX] = "";
+ char *buffer = NULL;
+ int brickcount = 0;
+ int i = 0;
+ int pid = 0;
+
+ GF_ASSERT (dict);
+ GF_ASSERT (key_prefix);
+
+ ret = snprintf (key, sizeof (key), "%s.brickcount", key_prefix);
+ if (ret < 0) {
+ goto out;
+ }
+ ret = dict_get_int32 (dict, key, &brickcount);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to fetch brickcount");
+ goto out;
+ }
+
+ for (i = 0 ; i < brickcount ; i++) {
+ ret = snprintf (key, sizeof (key), "%s.brick%d.path",
+ key_prefix, i);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_str (dict, key, &buffer);
+ if (ret) {
+ gf_log ("cli", GF_LOG_INFO,
+ "Unable to get Brick Path");
+ continue;
+ }
+ cli_out ("\n\t%-17s %s %s", "Brick Path", ":", buffer);
+
+ ret = snprintf (key, sizeof (key), "%s.brick%d.vgname",
+ key_prefix, i);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_str (dict, key, &buffer);
+ if (ret) {
+ gf_log ("cli", GF_LOG_INFO,
+ "Unable to get Volume Group");
+ cli_out ("\t%-17s %s %s", "Volume Group", ":",
+ "N/A");
+ } else
+ cli_out ("\t%-17s %s %s", "Volume Group", ":",
+ buffer);
+
+ ret = snprintf (key, sizeof (key), "%s.brick%d.status",
+ key_prefix, i);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_str (dict, key, &buffer);
+ if (ret) {
+ gf_log ("cli", GF_LOG_INFO,
+ "Unable to get Brick Running");
+ cli_out ("\t%-17s %s %s", "Brick Running", ":",
+ "N/A");
+ } else
+ cli_out ("\t%-17s %s %s", "Brick Running", ":",
+ buffer);
+
+ ret = snprintf (key, sizeof (key), "%s.brick%d.pid",
+ key_prefix, i);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_int32 (dict, key, &pid);
+ if (ret) {
+ gf_log ("cli", GF_LOG_INFO,
+ "Unable to get pid");
+ cli_out ("\t%-17s %s %s", "Brick PID", ":", "N/A");
+ } else
+ cli_out ("\t%-17s %s %d", "Brick PID", ":", pid);
+
+ ret = snprintf (key, sizeof (key), "%s.brick%d.data",
+ key_prefix, i);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_str (dict, key, &buffer);
+ if (ret) {
+ gf_log ("cli", GF_LOG_INFO,
+ "Unable to get Data Percent");
+ cli_out ("\t%-17s %s %s", "Data Percentage", ":",
+ "N/A");
+ } else
+ cli_out ("\t%-17s %s %s", "Data Percentage", ":",
+ buffer);
+
+ ret = snprintf (key, sizeof (key), "%s.brick%d.lvsize",
+ key_prefix, i);
+ if (ret < 0) {
+ goto out;
+ }
+ ret = dict_get_str (dict, key, &buffer);
+ if (ret) {
+ gf_log ("cli", GF_LOG_INFO, "Unable to get LV Size");
+ cli_out ("\t%-17s %s %s", "LV Size", ":", "N/A");
+ } else
+ cli_out ("\t%-17s %s %s", "LV Size", ":", buffer);
+
+ }
+out:
+ return ret;
+}
+
+
+
+int
+cli_get_single_snap_status (dict_t *dict, char *keyprefix)
+{
+ int ret = -1;
+ char key[PATH_MAX] = "";
+ int i = 0;
+ int volcount = 0;
+ char *get_buffer = NULL;
+
+ GF_ASSERT (dict);
+ GF_ASSERT (keyprefix);
+
+ ret = snprintf (key, sizeof (key), "%s.snapname", keyprefix);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_str (dict, key, &get_buffer);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Unable to get snapname");
+ goto out;
+ }
+ cli_out ("\nSnap Name : %s", get_buffer);
+
+ ret = snprintf (key, sizeof (key), "%s.uuid", keyprefix);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_str (dict, key, &get_buffer);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Unable to get snap UUID");
+ goto out;
+ }
+ cli_out ("Snap UUID : %s", get_buffer);
+
+ ret = snprintf (key, sizeof (key), "%s.volcount", keyprefix);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = dict_get_int32 (dict, key, &volcount);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Unable to get volume count");
+ goto out;
+ }
+
+ for (i = 0 ; i < volcount ; i++) {
+ ret = snprintf (key, sizeof (key), "%s.vol%d", keyprefix, i);
+ if (ret < 0) {
+ goto out;
+ }
+
+ ret = cli_get_snap_volume_status (dict, key);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR,
+ "Could not get snap volume status");
+ goto out;
+ }
+ }
+out:
+ return ret;
+}
+
+int
+cli_snap_status_all (dict_t *dict) {
+ int ret = -1;
+ char key[PATH_MAX] = "";
+ int snapcount = 0;
+ int i = 0;
+
+ GF_ASSERT (dict);
+
+ ret = dict_get_int32 (dict, "status.snapcount", &snapcount);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not get snapcount");
+ goto out;
+ }
+
+ if (snapcount == 0) {
+ cli_out ("No snapshots present");
+ }
+
+ for (i = 0 ; i < snapcount; i++) {
+ ret = snprintf (key, sizeof (key), "status.snap%d",i);
+ if (ret < 0) {
+ goto out;
+ }
+ ret = cli_get_single_snap_status (dict, key);
+ }
+out:
+ return ret;
+}
+
+
+int
+cli_snapshot_status_display (dict_t *dict, gf_cli_rsp *rsp)
+{
+ char key[PATH_MAX] = "";
+ int ret = -1;
+ int status_cmd = -1;
+
+ GF_ASSERT (dict);
+ GF_ASSERT (rsp);
+
+ if (rsp->op_ret) {
+ cli_err ("Snapshot Status : failed: %s",
+ rsp->op_errstr ? rsp->op_errstr :
+ "Please check log file for details");
+ ret = rsp->op_ret;
+ goto out;
+ }
+
+ ret = dict_get_int32 (dict, "cmd", &status_cmd);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch status type");
+ goto out;
+ }
+ switch (status_cmd) {
+ case GF_SNAP_STATUS_TYPE_ALL:
+ {
+ ret = cli_snap_status_all (dict);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch "
+ "status of all snap");
+ goto out;
+ }
+ break;
+ }
+
+ case GF_SNAP_STATUS_TYPE_SNAP:
+ {
+ ret = snprintf (key, sizeof (key), "status.snap0");
+ if (ret < 0) {
+ goto out;
+ }
+ ret = cli_get_single_snap_status (dict, key);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch "
+ "status of snap");
+ goto out;
+ }
+ break;
+ }
+
+ case GF_SNAP_STATUS_TYPE_VOL:
+ {
+ ret = cli_snap_status_all (dict);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Could not fetch "
+ "status of snap in a volume");
+ goto out;
+ }
+ break;
+ }
+ default:
+ break;
+ }
+out:
+ return ret;
+}
+
+int
+gf_cli_snapshot_cbk (struct rpc_req *req, struct iovec *iov,
+ int count, void *myframe)
+{
+ int ret = -1;
+ gf_cli_rsp rsp = {0, };
+ dict_t *dict = NULL;
+ char *snap_name = NULL;
+ int32_t type = 0;
+ call_frame_t *frame = NULL;
+ gf_boolean_t snap_driven = _gf_false;
+
+ if (req->rpc_status == -1) {
+ ret = -1;
+ goto out;
+ }
+
+ frame = myframe;
+
+ ret = xdr_to_generic (*iov, &rsp, (xdrproc_t)xdr_gf_cli_rsp);
+ if (ret < 0) {
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "Failed to decode xdr response");
+ goto out;
+ }
+
+ dict = dict_new ();
+
+ if (!dict) {
+ ret = -1;
+ goto out;
+ }
+
+ ret = dict_unserialize (rsp.dict.dict_val, rsp.dict.dict_len, &dict);
+
+ if (ret)
+ goto out;
+
+ ret = dict_get_int32 (dict, "type", &type);
+ if (ret) {
+ gf_log (frame->this->name, GF_LOG_ERROR, "failed to get type");
+ goto out;
+ }
+
+ switch (type) {
+ case GF_SNAP_OPTION_TYPE_CREATE:
+ if (rsp.op_ret) {
+ cli_err("snapshot create: failed: %s",
+ rsp.op_errstr ? rsp.op_errstr :
+ "Please check log file for details");
+ ret = rsp.op_ret;
+ goto out;
+ }
+
+ ret = dict_get_str (dict, "snapname", &snap_name);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR,
+ "Failed to get snap name");
+ goto out;
+ }
+ cli_out ("snapshot create: %s: snap created successfully",
+ snap_name);
+ break;
+
+ case GF_SNAP_OPTION_TYPE_RESTORE:
+ /* TODO: Check if rsp.op_ret needs to be checked here. Or is
+ * it ok to check this in the start of the function where we
+ * get rsp.*/
+ if (rsp.op_ret) {
+ cli_err("snapshot restore: failed: %s",
+ rsp.op_errstr ? rsp.op_errstr :
+ "Please check log file for details");
+ ret = rsp.op_ret;
+ goto out;
+ }
+
+ ret = dict_get_str (dict, "snapname", &snap_name);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR,
+ "Failed to get snap name");
+ goto out;
+ }
+
+ cli_out ("Snapshot restore: %s: Snap restored "
+ "successfully", snap_name);
+
+ ret = 0;
+ break;
+
+ case GF_SNAP_OPTION_TYPE_INFO:
+ if (rsp.op_ret) {
+ cli_err ("Snapshot info : failed: %s",
+ rsp.op_errstr ? rsp.op_errstr :
+ "Please check log file for details");
+ ret = rsp.op_ret;
+ goto out;
+ }
+
+ snap_driven = dict_get_str_boolean (dict, "snap-driven",
+ _gf_false);
+ if (snap_driven == _gf_true) {
+ ret = cli_call_snapshot_info (dict, snap_driven);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR,
+ "Snapshot info failed");
+ goto out;
+ }
+ } else if (snap_driven == _gf_false) {
+ ret = cli_get_snaps_in_volume (dict);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR,
+ "Snapshot info failed");
+ goto out;
+ }
+ }
+ break;
+
+ case GF_SNAP_OPTION_TYPE_CONFIG:
+ ret = cli_snapshot_config_display (dict, &rsp);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to display "
+ "snapshot config output.");
+ goto out;
+ }
+ break;
+
+ case GF_SNAP_OPTION_TYPE_LIST:
+ if (rsp.op_ret) {
+ cli_err ("Snapshot list : failed: %s",
+ rsp.op_errstr ? rsp.op_errstr :
+ "Please check log file for details");
+ ret = rsp.op_ret;
+ goto out;
+ }
+
+ ret = cli_snapshot_list (dict);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to display "
+ "snapshot list");
+ goto out;
+ }
+ break;
+
+ case GF_SNAP_OPTION_TYPE_DELETE:
+ ret = cli_snapshot_remove_reply (&rsp, dict, frame);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR,
+ "Failed to delete snap");
+ goto out;
+ }
+ break;
+
+ case GF_SNAP_OPTION_TYPE_STATUS:
+ ret = cli_snapshot_status_display (dict, &rsp);
+ if (ret) {
+ gf_log ("cli", GF_LOG_ERROR, "Failed to display "
+ "snapshot status output.");
+ goto out;
+ }
+ break;
+
+ default:
+ cli_err ("Unknown command executed");
+ ret = -1;
+ goto out;
+ }
+out:
+ if (dict)
+ dict_unref (dict);
+ cli_cmd_broadcast_response (ret);
+
+ free (rsp.dict.dict_val);
+ free (rsp.op_errstr);
+
+ return ret;
+}
+
+int32_t
+gf_cli_snapshot (call_frame_t *frame, xlator_t *this,
+ void *data)
+{
+ gf_cli_req req = {{0,}};
+ dict_t *options = NULL;
+ int ret = -1;
+
+ if (!frame || !this || !data)
+ goto out;
+
+ options = data;
+
+ ret = cli_to_glusterd (&req, frame, gf_cli_snapshot_cbk,
+ (xdrproc_t) xdr_gf_cli_req, options,
+ GLUSTER_CLI_SNAP, this, cli_rpc_prog,
+ NULL);
+out:
+ gf_log ("cli", GF_LOG_DEBUG, "Returning %d", ret);
+
+ GF_FREE (req.dict.dict_val);
+ return ret;
+}
+
int
cli_to_glusterd (gf_cli_req *req, call_frame_t *frame,
fop_cbk_fn_t cbkfn, xdrproc_t xdrproc, dict_t *dict,
@@ -7730,6 +8768,7 @@ struct rpc_clnt_procedure gluster_cli_actors[GLUSTER_CLI_MAXVALUE] = {
[GLUSTER_CLI_CLRLOCKS_VOLUME] = {"CLEARLOCKS_VOLUME", gf_cli_clearlocks_volume},
[GLUSTER_CLI_COPY_FILE] = {"COPY_FILE", gf_cli_copy_file},
[GLUSTER_CLI_SYS_EXEC] = {"SYS_EXEC", gf_cli_sys_exec},
+ [GLUSTER_CLI_SNAP] = {"SNAP", gf_cli_snapshot},
};
struct rpc_clnt_program cli_prog = {
diff --git a/cli/src/cli-xml-output.c b/cli/src/cli-xml-output.c
index ae6b051..863e8a4 100644
--- a/cli/src/cli-xml-output.c
+++ b/cli/src/cli-xml-output.c
@@ -2535,6 +2535,7 @@ cli_xml_output_vol_info (cli_local_t *local, dict_t *dict)
int j = 1;
char *caps = NULL;
int k __attribute__((unused)) = 0;
+ char *snap_volume = NULL;
ret = dict_get_int32 (dict, "count", &count);
if (ret)
@@ -2576,6 +2577,18 @@ cli_xml_output_vol_info (cli_local_t *local, dict_t *dict)
"%d", status);
XML_RET_CHECK_AND_GOTO (ret, out);
+ memset (key, 0, sizeof (key));
+ snprintf (key, sizeof (key), "volume%d.snap_volume", i);
+ ret = dict_get_str (dict, key, &snap_volume);
+ if (ret)
+ goto out;
+ if (snap_volume) {
+ ret = xmlTextWriterWriteFormatElement (local->writer,
+ (xmlChar *)"snapVol",
+ "%s", snap_volume);
+ XML_RET_CHECK_AND_GOTO (ret, out);
+ }
+
ret =xmlTextWriterWriteFormatElement
(local->writer, (xmlChar *)"statusStr", "%s",
cli_vol_status_str[status]);
diff --git a/cli/src/cli.h b/cli/src/cli.h
index 53537c6..69a7e82 100644
--- a/cli/src/cli.h
+++ b/cli/src/cli.h
@@ -166,6 +166,11 @@ struct cli_volume_status {
#endif
};
+struct snap_config_opt_vals_ {
+ char *op_name;
+ char *question;
+};
+
typedef struct cli_volume_status cli_volume_status_t;
typedef struct cli_local cli_local_t;
@@ -385,4 +390,9 @@ cli_xml_output_vol_status_tasks_detail (cli_local_t *local, dict_t *dict);
char *
is_server_debug_xlator (void *myframe);
+
+int32_t
+cli_cmd_snapshot_parse (const char **words, int wordcount, dict_t **options,
+ struct cli_state *state);
+
#endif /* __CLI_H__ */