| Message ID | 20240215151716.115550-1-stefano.babic@swupdate.org |
|---|---|
| State | Accepted |
| Delegated to: | Stefano Babic |
| Headers | show |
| Series | doc: extend pre install script | expand |
Typo: s*s*oon Stefano Babic schrieb am Donnerstag, 15. Februar 2024 um 16:17:19 UTC+1: > Explain why pre- install scripts cannot be always executed before > installing. > > Signed-off-by: Stefano Babic <stefan...@swupdate.org> > --- > doc/source/sw-description.rst | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/doc/source/sw-description.rst b/doc/source/sw-description.rst > index 85932198..6fe2d05a 100644 > --- a/doc/source/sw-description.rst > +++ b/doc/source/sw-description.rst > @@ -829,6 +829,14 @@ SWUpdate scans for all scripts and calls them before > installing the images. > If the data attribute is defined, its value is passed as the last > argument(s) > to the script. > > +Note that cannot be ensured that preinstall scripts run before an > artifact is > +installed in streaming mode. In fact, if streaming is activated, the > artifact must > +be installed as ssoon as it is received from network because there is no > temporary > +copy. Because there is no fix order in the SWU, an artifact can be packed > before any > +script in the SWU. The right way is to write an "embedded-script" in Lua > inside > +sw-description: because it becomes part of sw-description, it runs when > sw-description is > +parsed and before any handler runs, even before a partition handler. > + > postinstall > ........... > > -- > 2.34.1 > >
On 16.02.24 11:03, Michael Glembotzki wrote: > Typo: s*s*oon > Thanks, fixed ! Best regards, Stefano > Stefano Babic schrieb am Donnerstag, 15. Februar 2024 um 16:17:19 UTC+1: > > Explain why pre- install scripts cannot be always executed before > installing. > > Signed-off-by: Stefano Babic <stefan...@swupdate.org> > --- > doc/source/sw-description.rst | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/doc/source/sw-description.rst > b/doc/source/sw-description.rst > index 85932198..6fe2d05a 100644 > --- a/doc/source/sw-description.rst > +++ b/doc/source/sw-description.rst > @@ -829,6 +829,14 @@ SWUpdate scans for all scripts and calls them > before installing the images. > If the data attribute is defined, its value is passed as the last > argument(s) > to the script. > > +Note that cannot be ensured that preinstall scripts run before an > artifact is > +installed in streaming mode. In fact, if streaming is activated, > the artifact must > +be installed as ssoon as it is received from network because there > is no temporary > +copy. Because there is no fix order in the SWU, an artifact can be > packed before any > +script in the SWU. The right way is to write an "embedded-script" > in Lua inside > +sw-description: because it becomes part of sw-description, it runs > when sw-description is > +parsed and before any handler runs, even before a partition handler. > + > postinstall > ........... > > -- > 2.34.1 > > -- > You received this message because you are subscribed to the Google > Groups "swupdate" group. > To unsubscribe from this group and stop receiving emails from it, send > an email to swupdate+unsubscribe@googlegroups.com > <mailto:swupdate+unsubscribe@googlegroups.com>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/swupdate/9e8717d7-3065-4920-ac6e-52c009a9453en%40googlegroups.com <https://groups.google.com/d/msgid/swupdate/9e8717d7-3065-4920-ac6e-52c009a9453en%40googlegroups.com?utm_medium=email&utm_source=footer>.
diff --git a/doc/source/sw-description.rst b/doc/source/sw-description.rst index 85932198..6fe2d05a 100644 --- a/doc/source/sw-description.rst +++ b/doc/source/sw-description.rst @@ -829,6 +829,14 @@ SWUpdate scans for all scripts and calls them before installing the images. If the data attribute is defined, its value is passed as the last argument(s) to the script. +Note that cannot be ensured that preinstall scripts run before an artifact is +installed in streaming mode. In fact, if streaming is activated, the artifact must +be installed as ssoon as it is received from network because there is no temporary +copy. Because there is no fix order in the SWU, an artifact can be packed before any +script in the SWU. The right way is to write an "embedded-script" in Lua inside +sw-description: because it becomes part of sw-description, it runs when sw-description is +parsed and before any handler runs, even before a partition handler. + postinstall ...........
Explain why pre- install scripts cannot be always executed before installing. Signed-off-by: Stefano Babic <stefano.babic@swupdate.org> --- doc/source/sw-description.rst | 8 ++++++++ 1 file changed, 8 insertions(+) -- 2.34.1