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core: Implement parallel importing #1124

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core: Implement parallel importing #1124

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ea7f0ba
importer: Rework API
cgwalters Dec 1, 2017
2b979f6
core: Implement parallel importing
cgwalters Dec 1, 2017
d7a3f65
fixup! core: Implement parallel importing
cgwalters Dec 5, 2017
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37 changes: 29 additions & 8 deletions src/daemon/rpmostreed-transaction-types.c
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Original file line number Diff line number Diff line change
Expand Up @@ -468,7 +468,7 @@ deploy_transaction_finalize (GObject *object)

static gboolean
import_local_rpm (OstreeRepo *repo,
int fd,
int *fd,
char **sha256_nevra,
GCancellable *cancellable,
GError **error)
Expand All @@ -482,12 +482,11 @@ import_local_rpm (OstreeRepo *repo,
if (policy == NULL)
return FALSE;

g_autoptr(RpmOstreeImporter) unpacker = rpmostree_importer_new_fd (fd, NULL, 0, error);
g_autoptr(RpmOstreeImporter) unpacker = rpmostree_importer_new_take_fd (fd, repo, NULL, 0, policy, error);
if (unpacker == NULL)
return FALSE;

if (!rpmostree_importer_run (unpacker, repo, policy,
NULL, cancellable, error))
if (!rpmostree_importer_run (unpacker, NULL, cancellable, error))
return FALSE;

g_autofree char *nevra = rpmostree_importer_get_nevra (unpacker);
Expand All @@ -497,6 +496,25 @@ import_local_rpm (OstreeRepo *repo,
return TRUE;
}

static void
ptr_close_fd (gpointer fdp)
{
int fd = GPOINTER_TO_INT (fdp);
glnx_close_fd (&fd);
}

/* GUnixFDList doesn't allow stealing individual members */
static GPtrArray *
unixfdlist_to_ptrarray (GUnixFDList *fdl)
{
gint len;
gint *fds = g_unix_fd_list_steal_fds (fdl, &len);
GPtrArray *ret = g_ptr_array_new_with_free_func ((GDestroyNotify)ptr_close_fd);
for (int i = 0; i < len; i++)
g_ptr_array_add (ret, GINT_TO_POINTER (fds[i]));
return ret;
}

static gboolean
import_many_local_rpms (OstreeRepo *repo,
GUnixFDList *fdl,
Expand All @@ -516,12 +534,15 @@ import_many_local_rpms (OstreeRepo *repo,

g_autoptr(GPtrArray) pkgs = g_ptr_array_new_with_free_func (g_free);

gint nfds = 0;
const gint *fds = g_unix_fd_list_peek_fds (fdl, &nfds);
for (guint i = 0; i < nfds; i++)
g_autoptr(GPtrArray) fds = unixfdlist_to_ptrarray (fdl);
for (guint i = 0; i < fds->len; i++)
{
/* Steal fd from the ptrarray */
glnx_autofd int fd = GPOINTER_TO_INT (fds->pdata[i]);
fds->pdata[i] = GINT_TO_POINTER (-1);
g_autofree char *sha256_nevra = NULL;
if (!import_local_rpm (repo, fds[i], &sha256_nevra, cancellable, error))
/* Transfer fd to import */
if (!import_local_rpm (repo, &fd, &sha256_nevra, cancellable, error))
return FALSE;

g_ptr_array_add (pkgs, g_steal_pointer (&sha256_nevra));
Expand Down
139 changes: 81 additions & 58 deletions src/libpriv/rpmostree-core.c
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Original file line number Diff line number Diff line change
Expand Up @@ -252,8 +252,12 @@ struct _RpmOstreeContext {
OstreeSePolicy *sepolicy;
char *passwd_dir;

gboolean async_running;
GError *async_error;
DnfState *async_dnfstate;
GPtrArray *pkgs_to_download;
GPtrArray *pkgs_to_import;
guint n_async_pkgs_imported;
GPtrArray *pkgs_to_relabel;

GHashTable *pkgs_to_remove; /* pkgname --> gv_nevra */
Expand Down Expand Up @@ -1374,6 +1378,7 @@ sort_packages (RpmOstreeContext *self,
self->pkgs_to_download = g_ptr_array_new_with_free_func ((GDestroyNotify)g_object_unref);
g_assert (!self->pkgs_to_import);
self->pkgs_to_import = g_ptr_array_new_with_free_func ((GDestroyNotify)g_object_unref);
self->n_async_pkgs_imported = 0;
g_assert (!self->pkgs_to_relabel);
self->pkgs_to_relabel = g_ptr_array_new_with_free_func ((GDestroyNotify)g_object_unref);

Expand Down Expand Up @@ -1821,6 +1826,7 @@ rpmostree_context_set_packages (RpmOstreeContext *self,
{
g_clear_pointer (&self->pkgs_to_download, (GDestroyNotify)g_ptr_array_unref);
g_clear_pointer (&self->pkgs_to_import, (GDestroyNotify)g_ptr_array_unref);
self->n_async_pkgs_imported = 0;
g_clear_pointer (&self->pkgs_to_relabel, (GDestroyNotify)g_ptr_array_unref);
return sort_packages (self, packages, cancellable, error);
}
Expand Down Expand Up @@ -2023,64 +2029,35 @@ rpmostree_context_download (RpmOstreeContext *self,
return TRUE;
}

static gboolean
import_one_package (RpmOstreeContext *self,
DnfContext *dnfctx,
DnfPackage *pkg,
OstreeSePolicy *sepolicy,
GVariant *jigdo_xattr_table,
GVariant *jigdo_xattrs,
GCancellable *cancellable,
GError **error)
static inline void
dnf_state_assert_done (DnfState *dnfstate)
{
glnx_fd_close int fd = -1;
if (!rpmostree_context_consume_package (self, pkg, &fd, error))
return FALSE;

/* Only set SKIP_EXTRANEOUS for packages we know need it, so that
* people doing custom composes don't have files silently discarded.
* (This will also likely need to be configurable).
*/
const char *pkg_name = dnf_package_get_name (pkg);

int flags = 0;
if (g_str_equal (pkg_name, "filesystem") ||
g_str_equal (pkg_name, "rootfiles"))
flags |= RPMOSTREE_IMPORTER_FLAGS_SKIP_EXTRANEOUS;

{ gboolean docs;
g_assert (g_variant_dict_lookup (self->spec->dict, "documentation", "b", &docs));
if (!docs)
flags |= RPMOSTREE_IMPORTER_FLAGS_NODOCS;
}

/* TODO - tweak the unpacker flags for containers */
g_autoptr(RpmOstreeImporter) unpacker = rpmostree_importer_new_fd (fd, pkg, flags, error);
if (!unpacker)
return FALSE;

if (jigdo_xattrs)
{
g_assert (!sepolicy);
rpmostree_importer_set_jigdo_mode (unpacker, jigdo_xattr_table, jigdo_xattrs);
}

OstreeRepo *ostreerepo = get_pkgcache_repo (self);
g_autofree char *ostree_commit = NULL;
if (!rpmostree_importer_run (unpacker, ostreerepo, sepolicy,
&ostree_commit, cancellable, error))
return glnx_prefix_error (error, "Unpacking %s",
dnf_package_get_nevra (pkg));

return TRUE;
g_assert (dnf_state_done (dnfstate, NULL));
}

static inline void
dnf_state_assert_done (DnfState *hifstate)
static void
on_async_import_done (GObject *obj,
GAsyncResult *res,
gpointer user_data)
{
gboolean r;
r = dnf_state_done (hifstate, NULL);
g_assert (r);
RpmOstreeImporter *importer = (RpmOstreeImporter*) obj;
RpmOstreeContext *self = user_data;
g_autofree char *rev =
rpmostree_importer_run_async_finish (importer, res,
self->async_error ? NULL : &self->async_error);
if (!rev)
{
self->async_running = FALSE;
g_assert (self->async_error != NULL);
}
else
{
g_assert_cmpint (self->n_async_pkgs_imported, <, self->pkgs_to_import->len);
self->n_async_pkgs_imported++;
dnf_state_assert_done (self->async_dnfstate);
if (self->n_async_pkgs_imported == self->pkgs_to_import->len)
self->async_running = FALSE;
}
}

gboolean
Expand Down Expand Up @@ -2114,6 +2091,9 @@ rpmostree_context_import_jigdo (RpmOstreeContext *self,
G_CALLBACK (on_hifstate_percentage_changed),
"Importing:");

self->async_dnfstate = hifstate;
self->async_running = TRUE;

for (guint i = 0; i < self->pkgs_to_import->len; i++)
{
DnfPackage *pkg = self->pkgs_to_import->pdata[i];
Expand All @@ -2124,11 +2104,54 @@ rpmostree_context_import_jigdo (RpmOstreeContext *self,
if (!jigdo_xattrs)
g_error ("Failed to find jigdo xattrs for %s", dnf_package_get_nevra (pkg));
}
if (!import_one_package (self, dnfctx, pkg, self->sepolicy,
jigdo_xattr_table, jigdo_xattrs,
cancellable, error))

glnx_fd_close int fd = -1;
if (!rpmostree_context_consume_package (self, pkg, &fd, error))
return FALSE;

/* Only set SKIP_EXTRANEOUS for packages we know need it, so that
* people doing custom composes don't have files silently discarded.
* (This will also likely need to be configurable).
*/
const char *pkg_name = dnf_package_get_name (pkg);

int flags = 0;
if (g_str_equal (pkg_name, "filesystem") ||
g_str_equal (pkg_name, "rootfiles"))
flags |= RPMOSTREE_IMPORTER_FLAGS_SKIP_EXTRANEOUS;

{ gboolean docs;
g_assert (g_variant_dict_lookup (self->spec->dict, "documentation", "b", &docs));
if (!docs)
flags |= RPMOSTREE_IMPORTER_FLAGS_NODOCS;
}

/* TODO - tweak the unpacker flags for containers */
OstreeRepo *ostreerepo = get_pkgcache_repo (self);
g_autoptr(RpmOstreeImporter) unpacker =
rpmostree_importer_new_take_fd (&fd, ostreerepo, pkg, flags,
self->sepolicy, error);
if (!unpacker)
return FALSE;
dnf_state_assert_done (hifstate);

if (jigdo_xattrs)
{
g_assert (!self->sepolicy);
rpmostree_importer_set_jigdo_mode (unpacker, jigdo_xattr_table, jigdo_xattrs);
}

rpmostree_importer_run_async (unpacker, cancellable, on_async_import_done, self);
}

/* Wait for all of the imports to complete */
GMainContext *mainctx = g_main_context_get_thread_default ();
self->async_error = NULL;
while (self->async_running)
g_main_context_iteration (mainctx, TRUE);
if (self->async_error)
{
g_propagate_error (error, g_steal_pointer (&self->async_error));
return FALSE;
}

g_signal_handler_disconnect (hifstate, progress_sigid);
Expand Down
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