From 29bccc2ed18eedc40e83d2f0d35327037a322384 Mon Sep 17 00:00:00 2001 From: Avra Sengupta Date: Wed, 19 Feb 2014 16:30:11 +0530 Subject: 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 Signed-off-by: Sachin Pandit Signed-off-by: Vijaikumar M Signed-off-by: Raghavendra Bhat Signed-off-by: Rajesh Joseph Signed-off-by: Joseph Fernandes Signed-off-by: Avra Sengupta Reviewed-on: http://review.gluster.org/7128 Tested-by: Gluster Build System Reviewed-by: Vijay Bellur --- cli/src/cli-rpc-ops.c | 1041 ++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 1040 insertions(+), 1 deletion(-) (limited to 'cli/src/cli-rpc-ops.c') diff --git a/cli/src/cli-rpc-ops.c b/cli/src/cli-rpc-ops.c index 239a29ba831..ebabf6b3dba 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 = { -- cgit