| Commit message (Collapse) | Author | Age |
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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We establish a SKIP-PROPERTY restart for each sequencing combinator, such that
in addition to skipping over individual property applications, it is possible
to abandon the whole sequence. However, that restart discards information
about whether or not a change was made by the property applications of the
abandoned sequence prior to the property application interrupted by an error.
The new SKIP-SEQUENCE restart preserves this information by returning from the
DOLIST in APPLY-AND-PRINT.
The implementation of the SKIP-SEQUENCE restart must take into account the
fact that the property application interrupted by the error might have made a
change prior to failing. In particular, the new restart must not cause the
sequencing combinator to return :NO-CHANGE unless it can infer that the
property application interrupted by an error made no change. To achieve this,
capture whether the interrupted property application made a change by
introducing a distinction between plain FAILED-CHANGE and a new condition
class, ABORTED-CHANGE.
These changes permit the implementation of a new combinator, ESEQPROPS-UNTIL,
which invokes SKIP-SEQUENCE when a given condition is signalled. The new
combinator is like SEQPROPS in that it allows for continuing the deployment
despite a signalling of FAILED-CHANGE, but it is like ESEQPROPS in not
attempting to apply succeeding propapps. It also offers finer-grained control
over what kinds of failures are to be tolerated than does SEQPROPS. When the
condition is ABORTED-CHANGE or a subclass, ESEQPROPS-UNTIL returns information
about whether or not a change was made by the property applications of the
abandoned sequence prior to the property application that was interrupted,
enabling useful combinations with ON-CHANGE.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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This is useful when access is provided by other means (e.g. ssh keypairs) or
as part of locking a user out completely.
Signed-off-by: David Bremner <david@tethera.net>
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The anticipated use case is where both uid and gid are to be set; making GID
an optional keyword argument just allows a shorthand for the case of matching
gid and uid. The limitation to a Debian-like OS is because of the assumption
of a primary group per user.
Refactor PASSWD-ENTRY to support a new function GROUP-ENTRY that does the same
thing, but with the group database instead of the passwd database.
Signed-off-by: David Bremner <david@tethera.net>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Reported-by: David Bremner <david@tethera.net>
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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The function was removed in f4e9170e73cb4bcfa7328422b4ff4f72d1339dd0.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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CFFI outputs C toolchain commands it runs to *DEBUG-IO*.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Also replace some calls to chmod(1) with calls to chmod(2).
Using CFFI rather than implementation-specific wrappers should be better for
portability. Also with this commit we stop hard coding types like uid_t as
:UNSIGNED-INT, which was less portable.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Previously, part of APPLY-AND-PRINT was duplicated in SILENT-SEQPROPS.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Should improve performance, especially when connection latency is high.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Avoids starting an external process.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Should improve performance, especially when connection latency is high.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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No functional change.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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This should provide a performance improvement.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Should improve performance, especially when connection latency is high. We
already implicitly assume that only one attempt to upload prerequisite data is
going on at once.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Previously, PUSHNEW-HOSTATTRS always used EQL to determine whether a hostattr
was already pushed, which would give the wrong answer for many common cases.
Now default to using EQUAL, and provide a way for the caller to specify the
test function.
PUSHNEW-HOSTATTRS now takes a list of hostattrs as a single parameter, rather
than using &REST, in order to make room for the new :TEST keyword parameter.
To mitigate the inconvenience of no longer using &REST, add PUSHNEW-HOSTATTR.
Also fix some parameter and function names in docstrings.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Avoids the subsequent attempt to edit /etc/initramfs-tools/modules failing
simply because the directory /etc/initramfs-tools does not exist.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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If DIR is itself a mount point then previously we would never delete its
contents because the unmounting is done first. This meant that when
MOUNT:UNMOUNTED-BELOW-AND-REMOVED was used to remove the root filesystem of a
container or virtual machine, for example, then whether the contents of the
root filesystem was actually deleted depended upon whether DIR happened to be
a mount point. This change ensures that the deletion is always done.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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This should enable depending on Lisp systems which use the CFFI Groveller.
Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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Signed-off-by: Sean Whitton <spwhitton@spwhitton.name>
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