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Implement image/snapshot/clone creation and listing by pool

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This commit is contained in:
Vitaliy Filippov
2021-11-07 01:01:07 +03:00
parent b3dcee0d43
commit 404e07d365
5 changed files with 551 additions and 29 deletions
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src/cli.cpp
+22 -6
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@@ -40,6 +40,14 @@ json11::Json::object cli_tool_t::parse_args(int narg, const char *args[])
{
cfg["interactive"] = "1";
}
else if (args[i][0] == '-' && args[i][1] == 'p')
{
cfg["pool"] = args[++i];
}
else if (args[i][0] == '-' && args[i][1] == 's')
{
cfg["size"] = args[++i];
}
else if (args[i][0] == '-' && args[i][1] == '-')
{
const char *opt = args[i]+2;
@@ -71,17 +79,20 @@ void cli_tool_t::help()
"(c) Vitaliy Filippov, 2019+ (VNPL-1.1)\n"
"\n"
"USAGE:\n"
"%s ls [-l]\n"
" List existing images. Also report provisioned and allocated size if -l is specified.\n"
"%s ls [-l] [--pool|-p <id|name>]\n"
" List existing images from a specified pool or from all pools if not specified.\n"
" Also report allocated size if -l is specified.\n"
"\n"
"%s create --size <size> [--parent <parent_name>[@<snapshot>]] <name>\n"
"%s create -s|--size <size> [--pool <id|name>] [--parent <parent_name>[@<snapshot>]] <name>\n"
" Create an image. You may use K/M/G/T suffixes for <size>. If --parent is specified,\n"
" a copy-on-write image clone is created. Parent must be a snapshot (readonly image).\n"
" Pool must be specified if there is more than one pool.\n"
"\n"
"%s snap-create <name>@<snapshot>\n"
"%s create --snapshot <snapshot> [--pool <id|name>] <image>\n"
"%s snap-create [--pool <id|name>] <image>@<snapshot>\n"
" Create a snapshot of image <name>. May be used live if only a single writer is active.\n"
"\n"
"%s set <name> [--size <size>] [--readonly | --readwrite]\n"
"%s set <name> [-s|--size <size>] [--readonly | --readwrite]\n"
" Resize image or change its readonly status. Images with children can't be made read-write.\n"
"\n"
"%s top [-n <MAX_COUNT>] [-i]\n"
@@ -115,7 +126,7 @@ void cli_tool_t::help()
" --cas 1|0 Use online CAS writes when possible (default auto)\n"
" --json JSON output\n"
,
exe_name, exe_name, exe_name, exe_name, exe_name, exe_name, exe_name, exe_name, exe_name
exe_name, exe_name, exe_name, exe_name, exe_name, exe_name, exe_name, exe_name, exe_name, exe_name
);
exit(0);
}
@@ -214,6 +225,11 @@ void cli_tool_t::run(json11::Json cfg)
// List images
action_cb = start_ls(cfg);
}
else if (cmd[0] == "create" || cmd[0] == "snap-create")
{
// Create image/snapshot
action_cb = start_create(cfg);
}
else if (cmd[0] == "rm-data")
{
// Delete inode data