Re: [PATCH 09/29] remote: conditionalize IP socket config in augeas definitions

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On 7/11/19 6:04 PM, Daniel P. Berrangé wrote:
> Prepare for reusing libvirtd augeas defintions with other daemons by
> making the config parameters for IP sockets conditionally defined by
> the make rules.
> 
> Signed-off-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
> ---
>   build-aux/augeas-gentest.pl                  |  2 +-
>   src/remote/Makefile.inc.am                   | 27 +++++++++++++++-----
>   src/remote/{libvirtd.aug => libvirtd.aug.in} | 24 ++++++++++++-----
>   src/remote/test_libvirtd.aug.in              | 14 +++++++---
>   4 files changed, 49 insertions(+), 18 deletions(-)
>   rename src/remote/{libvirtd.aug => libvirtd.aug.in} (88%)
> 
> diff --git a/build-aux/augeas-gentest.pl b/build-aux/augeas-gentest.pl
> index 567fc651f3..69d94e6a0f 100755
> --- a/build-aux/augeas-gentest.pl
> +++ b/build-aux/augeas-gentest.pl
> @@ -37,7 +37,7 @@ open TEMPLATE, "<", $template or die "cannot read $template: $!";
>   
>   my $group = 0;
>   while (<TEMPLATE>) {
> -    if (/::CONFIG::/) {
> +    if (/::\s*CONFIG\s*::/) {
>           my $group = 0;
>           print AUGTEST "  let conf = \"";
>           while (<CONFIG>) {
> diff --git a/src/remote/Makefile.inc.am b/src/remote/Makefile.inc.am
> index 4bc71346f2..7732fa744c 100644
> --- a/src/remote/Makefile.inc.am
> +++ b/src/remote/Makefile.inc.am
> @@ -124,11 +124,11 @@ sbin_PROGRAMS += libvirtd
>   
>   augeas_DATA += remote/libvirtd.aug

In order to generate this, we need to distribute libvirtd.aug.in:

--- i/src/remote/Makefile.inc.am
+++ w/src/remote/Makefile.inc.am
@@ -70,7 +70,7 @@ EXTRA_DIST += \
        $(REMOTE_DRIVER_SOURCES) \
        $(LIBVIRTD_SOURCES) \
        remote/test_libvirtd.aug.in \
-       remote/libvirtd.aug \
+       remote/libvirtd.aug.in \
        remote/libvirtd.conf.in \
        remote/libvirtd.policy \
        remote/libvirtd.rules \

>   
> -augeastest_DATA += test_libvirtd.aug
> +augeastest_DATA += remote/test_libvirtd.aug
>   
>   conf_DATA += remote/libvirtd.conf
>   
> -CLEANFILES += test_libvirtd.aug
> +CLEANFILES += remote/libvirtd.aug remote/test_libvirtd.aug
>   
>   man8_MANS += libvirtd.8
>   
> @@ -198,13 +198,28 @@ uninstall-data-remote:
>   
>   AUGEAS_DIRS += remote
>   
> -test_libvirtd.aug: remote/test_libvirtd.aug.in \
> +remote/libvirtd.aug: remote/libvirtd.aug.in
> +	$(AM_V_GEN)$(SED) \
> +		-e '/:: CUT ENABLE_IP ::/d' \
> +		-e '/:: END ::/d' \
> +		-e 's/:: DAEMON_NAME ::/libvirtd/' \
> +		-e 's/:: DAEMON_NAME_UC ::/Libvirtd/' \
> +		$< > $@
> +
> +remote/test_libvirtd.aug.tmp: remote/test_libvirtd.aug.in \
>   		remote/libvirtd.conf $(AUG_GENTEST)
> -	$(AM_V_GEN)$(AUG_GENTEST) $(srcdir)/remote/libvirtd.conf $< $@
> +	$(AM_V_GEN)$(AUG_GENTEST) remote/libvirtd.conf remote/test_libvirtd.aug.in $@
> +
> +remote/test_libvirtd.aug: remote/test_libvirtd.aug.tmp
> +	$(AM_V_GEN)$(SED) -e '/:: CUT ENABLE_IP ::/d' \
> +		-e '/:: END ::/d' \
> +		-e 's/:: DAEMON_NAME ::/libvirtd/' \
> +		-e 's/:: DAEMON_NAME_UC ::/Libvirtd/' \
> +		< $^ > $@ || rm -f $@
>   
> -check-augeas-remote: test_libvirtd.aug
> +check-augeas-remote: remote/test_libvirtd.aug
>   	$(AM_V_GEN)if test -x '$(AUGPARSE)'; then \
> -	    '$(AUGPARSE)' -I $(srcdir)/remote test_libvirtd.aug; \
> +	    '$(AUGPARSE)' -I $(srcdir)/remote remote/test_libvirtd.aug; \
>   	fi
>   
>   if WITH_SYSCTL
> diff --git a/src/remote/libvirtd.aug b/src/remote/libvirtd.aug.in
> similarity index 88%
> rename from src/remote/libvirtd.aug
> rename to src/remote/libvirtd.aug.in
> index 0188c23dd7..54a45e438a 100644
> --- a/src/remote/libvirtd.aug
> +++ b/src/remote/libvirtd.aug.in
> @@ -1,6 +1,6 @@
> -(* /etc/libvirt/libvirtd.conf *)
> +(* /etc/libvirt/:: DAEMON_NAME ::.conf *)
>   
> -module Libvirtd =
> +module :: DAEMON_NAME_UC :: =
>      autoload xfm
>   
>      let eol   = del /[ \t]*\n/ "\n"
> @@ -24,11 +24,13 @@ module Libvirtd =
>   
>   
>      (* Config entry grouped by function - same order as example config *)
> +:: CUT ENABLE_IP ::
>      let network_entry = bool_entry "listen_tls"
>                        | bool_entry "listen_tcp"
>                        | str_entry "tls_port"
>                        | str_entry "tcp_port"
>                        | str_entry "listen_addr"
> +:: END::

s/END::/END ::/

>   
>      let sock_acl_entry = str_entry "unix_sock_group"
>                         | str_entry "unix_sock_ro_perms"
> @@ -38,6 +40,7 @@ module Libvirtd =
>   
>      let authentication_entry = str_entry "auth_unix_ro"
>                               | str_entry "auth_unix_rw"
> +:: CUT ENABLE_IP ::
>                               | str_entry "auth_tcp"
>                               | str_entry "auth_tls"
>   
> @@ -46,12 +49,16 @@ module Libvirtd =
>                            | str_entry "ca_file"
>                            | str_entry "crl_file"
>   
> -   let authorization_entry = bool_entry "tls_no_verify_certificate"
> +   let tls_authorization_entry = bool_entry "tls_no_verify_certificate"
>                              | bool_entry "tls_no_sanity_certificate"
>                              | str_array_entry "tls_allowed_dn_list"
>                              | str_array_entry "sasl_allowed_username_list"
>                              | str_array_entry "access_drivers"
>                              | str_entry "tls_priority"
> +:: END ::
> +
> +   let misc_authorization_entry = str_array_entry "sasl_allowed_username_list"
> +                           | str_array_entry "access_drivers"

You need to remove these two variables from tls_authorization_entry then:

@@ -52,8 +52,6 @@ module :: DAEMON_NAME_UC :: =
    let tls_authorization_entry = bool_entry "tls_no_verify_certificate"
                            | bool_entry "tls_no_sanity_certificate"
                            | str_array_entry "tls_allowed_dn_list"
-                           | str_array_entry "sasl_allowed_username_list"
-                           | str_array_entry "access_drivers"
                            | str_entry "tls_priority"
 :: END ::


>   
>      let processing_entry = int_entry "min_workers"
>                           | int_entry "max_workers"


Surprisingly, 'distcheck' fails for me after this because augeas-gentest.pl is unable to find libvirtd.conf. What is surprising is that you're not touching libvirtd.conf in this patch but the previous one and distcheck just works there.

Michal

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