diff mbox series

[v5,2/7] migration: migrate 'inc' command option is deprecated.

Message ID 20231017115238.18309-3-quintela@redhat.com (mailing list archive)
State New, archived
Headers show
Series Migration deprecated parts | expand

Commit Message

Juan Quintela Oct. 17, 2023, 11:52 a.m. UTC
Use blockdev-mirror with NBD instead.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

---

Improve documentation and style (thanks Markus)
---
 docs/about/deprecated.rst      | 8 ++++++++
 qapi/migration.json            | 8 +++++++-
 migration/migration-hmp-cmds.c | 5 +++++
 migration/migration.c          | 5 +++++
 4 files changed, 25 insertions(+), 1 deletion(-)

Comments

Markus Armbruster Oct. 17, 2023, 1:52 p.m. UTC | #1
Juan Quintela <quintela@redhat.com> writes:

> Use blockdev-mirror with NBD instead.
>
> Reviewed-by: Thomas Huth <thuth@redhat.com>
> Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
> Signed-off-by: Juan Quintela <quintela@redhat.com>
>
> ---
>
> Improve documentation and style (thanks Markus)
> ---
>  docs/about/deprecated.rst      | 8 ++++++++
>  qapi/migration.json            | 8 +++++++-
>  migration/migration-hmp-cmds.c | 5 +++++
>  migration/migration.c          | 5 +++++
>  4 files changed, 25 insertions(+), 1 deletion(-)
>
> diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
> index 2febd2d12f..fc6adf1dea 100644
> --- a/docs/about/deprecated.rst
> +++ b/docs/about/deprecated.rst
> @@ -461,3 +461,11 @@ Migration
>  ``skipped`` field in Migration stats has been deprecated.  It hasn't
>  been used for more than 10 years.
>  
> +``inc`` migrate command option (since 8.2)
> +''''''''''''''''''''''''''''''''''''''''''
> +
> +Use blockdev-mirror with NBD instead.
> +
> +As an intermediate step the ``inc`` functionality can be achieved by
> +setting the ``block-incremental`` migration parameter to ``true``.
> +But this parameter is also deprecated.
> diff --git a/qapi/migration.json b/qapi/migration.json
> index db3df12d6c..fa7f4f2575 100644
> --- a/qapi/migration.json
> +++ b/qapi/migration.json
> @@ -1524,6 +1524,11 @@
>  #
>  # @resume: resume one paused migration, default "off". (since 3.0)
>  #
> +# Features:
> +#
> +# @deprecated: Member @inc is deprecated.  Use blockdev-mirror with
> +#     NBD instead.
> +#
>  # Returns: nothing on success
>  #
>  # Since: 0.14
> @@ -1545,7 +1550,8 @@
>  # <- { "return": {} }
>  ##
>  { 'command': 'migrate',
> -  'data': {'uri': 'str', '*blk': 'bool', '*inc': 'bool',
> +  'data': {'uri': 'str', '*blk': 'bool',
> +           '*inc': { 'type': 'bool', 'features': [ 'deprecated' ] },
>             '*detach': 'bool', '*resume': 'bool' } }
>  
>  ##
> diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c
> index a82597f18e..fee7079afa 100644
> --- a/migration/migration-hmp-cmds.c
> +++ b/migration/migration-hmp-cmds.c
> @@ -745,6 +745,11 @@ void hmp_migrate(Monitor *mon, const QDict *qdict)
>      const char *uri = qdict_get_str(qdict, "uri");
>      Error *err = NULL;
>  
> +    if (inc) {
> +        warn_report("option '-i' is deprecated.  Use 'blockdev-mirror + NBD'"
> +                    " instead.");

Convention: an error or warning message is a single phrase, with no
newline or trailing punctuation.  The simplest way to conform to it is
something like

           warn_report("option '-i' is deprecated;"
                       " use blockdev-mirror with NBD instead.");

> +    }
> +
>      qmp_migrate(uri, !!blk, blk, !!inc, inc,
>                  false, false, true, resume, &err);
>      if (hmp_handle_error(mon, err)) {
> diff --git a/migration/migration.c b/migration/migration.c
> index 6ba5e145ac..b8b3ba58df 100644
> --- a/migration/migration.c
> +++ b/migration/migration.c
> @@ -1603,6 +1603,11 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc,
>  {
>      Error *local_err = NULL;
>  
> +    if (blk_inc) {
> +        warn_report("parameter 'inc' is deprecated.  Use blockdev-mirror with"
> +                    " NBD instead");

Likewise.

> +    }
> +
>      if (resume) {
>          if (s->state != MIGRATION_STATUS_POSTCOPY_PAUSED) {
>              error_setg(errp, "Cannot resume if there is no "

Other than that
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Juan Quintela Oct. 17, 2023, 3:21 p.m. UTC | #2
Markus Armbruster <armbru@redhat.com> wrote:
> Juan Quintela <quintela@redhat.com> writes:
>
>> Use blockdev-mirror with NBD instead.
>>
>> Reviewed-by: Thomas Huth <thuth@redhat.com>
>> Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
>> Signed-off-by: Juan Quintela <quintela@redhat.com>
>>
>> ---
>>
>> Improve documentation and style (thanks Markus)
>> ---
>>  docs/about/deprecated.rst      | 8 ++++++++
>>  qapi/migration.json            | 8 +++++++-
>>  migration/migration-hmp-cmds.c | 5 +++++
>>  migration/migration.c          | 5 +++++
>>  4 files changed, 25 insertions(+), 1 deletion(-)
>>
>> diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
>> index 2febd2d12f..fc6adf1dea 100644
>> --- a/docs/about/deprecated.rst
>> +++ b/docs/about/deprecated.rst
>> @@ -461,3 +461,11 @@ Migration
>>  ``skipped`` field in Migration stats has been deprecated.  It hasn't
>>  been used for more than 10 years.
>>  
>> +``inc`` migrate command option (since 8.2)
>> +''''''''''''''''''''''''''''''''''''''''''
>> +
>> +Use blockdev-mirror with NBD instead.
>> +
>> +As an intermediate step the ``inc`` functionality can be achieved by
>> +setting the ``block-incremental`` migration parameter to ``true``.
>> +But this parameter is also deprecated.
>> diff --git a/qapi/migration.json b/qapi/migration.json
>> index db3df12d6c..fa7f4f2575 100644
>> --- a/qapi/migration.json
>> +++ b/qapi/migration.json
>> @@ -1524,6 +1524,11 @@
>>  #
>>  # @resume: resume one paused migration, default "off". (since 3.0)
>>  #
>> +# Features:
>> +#
>> +# @deprecated: Member @inc is deprecated.  Use blockdev-mirror with
>> +#     NBD instead.
>> +#
>>  # Returns: nothing on success
>>  #
>>  # Since: 0.14
>> @@ -1545,7 +1550,8 @@
>>  # <- { "return": {} }
>>  ##
>>  { 'command': 'migrate',
>> -  'data': {'uri': 'str', '*blk': 'bool', '*inc': 'bool',
>> +  'data': {'uri': 'str', '*blk': 'bool',
>> +           '*inc': { 'type': 'bool', 'features': [ 'deprecated' ] },
>>             '*detach': 'bool', '*resume': 'bool' } }
>>  
>>  ##
>> diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c
>> index a82597f18e..fee7079afa 100644
>> --- a/migration/migration-hmp-cmds.c
>> +++ b/migration/migration-hmp-cmds.c
>> @@ -745,6 +745,11 @@ void hmp_migrate(Monitor *mon, const QDict *qdict)
>>      const char *uri = qdict_get_str(qdict, "uri");
>>      Error *err = NULL;
>>  
>> +    if (inc) {
>> +        warn_report("option '-i' is deprecated.  Use 'blockdev-mirror + NBD'"
>> +                    " instead.");
>
> Convention: an error or warning message is a single phrase, with no
> newline or trailing punctuation.  The simplest way to conform to it is
> something like
>
>            warn_report("option '-i' is deprecated;"
>                        " use blockdev-mirror with NBD instead.");

then the trailing dot is not needed, right?

>> +    }
>> +
>>      qmp_migrate(uri, !!blk, blk, !!inc, inc,
>>                  false, false, true, resume, &err);
>>      if (hmp_handle_error(mon, err)) {
>> diff --git a/migration/migration.c b/migration/migration.c
>> index 6ba5e145ac..b8b3ba58df 100644
>> --- a/migration/migration.c
>> +++ b/migration/migration.c
>> @@ -1603,6 +1603,11 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc,
>>  {
>>      Error *local_err = NULL;
>>  
>> +    if (blk_inc) {
>> +        warn_report("parameter 'inc' is deprecated.  Use blockdev-mirror with"
>> +                    " NBD instead");
>
> Likewise.
>
>> +    }
>> +
>>      if (resume) {
>>          if (s->state != MIGRATION_STATUS_POSTCOPY_PAUSED) {
>>              error_setg(errp, "Cannot resume if there is no "
>
> Other than that
> Reviewed-by: Markus Armbruster <armbru@redhat.com>

OK, fixing it.
Markus Armbruster Oct. 18, 2023, 6:54 a.m. UTC | #3
Juan Quintela <quintela@redhat.com> writes:

> Markus Armbruster <armbru@redhat.com> wrote:
>> Juan Quintela <quintela@redhat.com> writes:
>>
>>> Use blockdev-mirror with NBD instead.
>>>
>>> Reviewed-by: Thomas Huth <thuth@redhat.com>
>>> Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
>>> Signed-off-by: Juan Quintela <quintela@redhat.com>
>>>
>>> ---
>>>
>>> Improve documentation and style (thanks Markus)
>>> ---
>>>  docs/about/deprecated.rst      | 8 ++++++++
>>>  qapi/migration.json            | 8 +++++++-
>>>  migration/migration-hmp-cmds.c | 5 +++++
>>>  migration/migration.c          | 5 +++++
>>>  4 files changed, 25 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
>>> index 2febd2d12f..fc6adf1dea 100644
>>> --- a/docs/about/deprecated.rst
>>> +++ b/docs/about/deprecated.rst
>>> @@ -461,3 +461,11 @@ Migration
>>>  ``skipped`` field in Migration stats has been deprecated.  It hasn't
>>>  been used for more than 10 years.
>>>  
>>> +``inc`` migrate command option (since 8.2)
>>> +''''''''''''''''''''''''''''''''''''''''''
>>> +
>>> +Use blockdev-mirror with NBD instead.
>>> +
>>> +As an intermediate step the ``inc`` functionality can be achieved by
>>> +setting the ``block-incremental`` migration parameter to ``true``.
>>> +But this parameter is also deprecated.
>>> diff --git a/qapi/migration.json b/qapi/migration.json
>>> index db3df12d6c..fa7f4f2575 100644
>>> --- a/qapi/migration.json
>>> +++ b/qapi/migration.json
>>> @@ -1524,6 +1524,11 @@
>>>  #
>>>  # @resume: resume one paused migration, default "off". (since 3.0)
>>>  #
>>> +# Features:
>>> +#
>>> +# @deprecated: Member @inc is deprecated.  Use blockdev-mirror with
>>> +#     NBD instead.
>>> +#
>>>  # Returns: nothing on success
>>>  #
>>>  # Since: 0.14
>>> @@ -1545,7 +1550,8 @@
>>>  # <- { "return": {} }
>>>  ##
>>>  { 'command': 'migrate',
>>> -  'data': {'uri': 'str', '*blk': 'bool', '*inc': 'bool',
>>> +  'data': {'uri': 'str', '*blk': 'bool',
>>> +           '*inc': { 'type': 'bool', 'features': [ 'deprecated' ] },
>>>             '*detach': 'bool', '*resume': 'bool' } }
>>>  
>>>  ##
>>> diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c
>>> index a82597f18e..fee7079afa 100644
>>> --- a/migration/migration-hmp-cmds.c
>>> +++ b/migration/migration-hmp-cmds.c
>>> @@ -745,6 +745,11 @@ void hmp_migrate(Monitor *mon, const QDict *qdict)
>>>      const char *uri = qdict_get_str(qdict, "uri");
>>>      Error *err = NULL;
>>>  
>>> +    if (inc) {
>>> +        warn_report("option '-i' is deprecated.  Use 'blockdev-mirror + NBD'"
>>> +                    " instead.");
>>
>> Convention: an error or warning message is a single phrase, with no
>> newline or trailing punctuation.  The simplest way to conform to it is
>> something like
>>
>>            warn_report("option '-i' is deprecated;"
>>                        " use blockdev-mirror with NBD instead.");
>
> then the trailing dot is not needed, right?

No!  Comical screwup on my part %-}

>>> +    }
>>> +
>>>      qmp_migrate(uri, !!blk, blk, !!inc, inc,
>>>                  false, false, true, resume, &err);
>>>      if (hmp_handle_error(mon, err)) {
>>> diff --git a/migration/migration.c b/migration/migration.c
>>> index 6ba5e145ac..b8b3ba58df 100644
>>> --- a/migration/migration.c
>>> +++ b/migration/migration.c
>>> @@ -1603,6 +1603,11 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc,
>>>  {
>>>      Error *local_err = NULL;
>>>  
>>> +    if (blk_inc) {
>>> +        warn_report("parameter 'inc' is deprecated.  Use blockdev-mirror with"
>>> +                    " NBD instead");
>>
>> Likewise.
>>
>>> +    }
>>> +
>>>      if (resume) {
>>>          if (s->state != MIGRATION_STATUS_POSTCOPY_PAUSED) {
>>>              error_setg(errp, "Cannot resume if there is no "
>>
>> Other than that
>> Reviewed-by: Markus Armbruster <armbru@redhat.com>
>
> OK, fixing it.

Thanks!
diff mbox series

Patch

diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 2febd2d12f..fc6adf1dea 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -461,3 +461,11 @@  Migration
 ``skipped`` field in Migration stats has been deprecated.  It hasn't
 been used for more than 10 years.
 
+``inc`` migrate command option (since 8.2)
+''''''''''''''''''''''''''''''''''''''''''
+
+Use blockdev-mirror with NBD instead.
+
+As an intermediate step the ``inc`` functionality can be achieved by
+setting the ``block-incremental`` migration parameter to ``true``.
+But this parameter is also deprecated.
diff --git a/qapi/migration.json b/qapi/migration.json
index db3df12d6c..fa7f4f2575 100644
--- a/qapi/migration.json
+++ b/qapi/migration.json
@@ -1524,6 +1524,11 @@ 
 #
 # @resume: resume one paused migration, default "off". (since 3.0)
 #
+# Features:
+#
+# @deprecated: Member @inc is deprecated.  Use blockdev-mirror with
+#     NBD instead.
+#
 # Returns: nothing on success
 #
 # Since: 0.14
@@ -1545,7 +1550,8 @@ 
 # <- { "return": {} }
 ##
 { 'command': 'migrate',
-  'data': {'uri': 'str', '*blk': 'bool', '*inc': 'bool',
+  'data': {'uri': 'str', '*blk': 'bool',
+           '*inc': { 'type': 'bool', 'features': [ 'deprecated' ] },
            '*detach': 'bool', '*resume': 'bool' } }
 
 ##
diff --git a/migration/migration-hmp-cmds.c b/migration/migration-hmp-cmds.c
index a82597f18e..fee7079afa 100644
--- a/migration/migration-hmp-cmds.c
+++ b/migration/migration-hmp-cmds.c
@@ -745,6 +745,11 @@  void hmp_migrate(Monitor *mon, const QDict *qdict)
     const char *uri = qdict_get_str(qdict, "uri");
     Error *err = NULL;
 
+    if (inc) {
+        warn_report("option '-i' is deprecated.  Use 'blockdev-mirror + NBD'"
+                    " instead.");
+    }
+
     qmp_migrate(uri, !!blk, blk, !!inc, inc,
                 false, false, true, resume, &err);
     if (hmp_handle_error(mon, err)) {
diff --git a/migration/migration.c b/migration/migration.c
index 6ba5e145ac..b8b3ba58df 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1603,6 +1603,11 @@  static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc,
 {
     Error *local_err = NULL;
 
+    if (blk_inc) {
+        warn_report("parameter 'inc' is deprecated.  Use blockdev-mirror with"
+                    " NBD instead");
+    }
+
     if (resume) {
         if (s->state != MIGRATION_STATUS_POSTCOPY_PAUSED) {
             error_setg(errp, "Cannot resume if there is no "