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autofs-5.1.6 - update sss timeout documentation
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From: Ian Kent <raven@themaw.net>
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Update then man page documentation and the configuration file
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comments to reflect the changes to map reading and key lookups
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with the sss lookup module.
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---
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CHANGELOG | 1 +
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man/autofs.conf.5.in | 20 +++++++++++++-------
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redhat/autofs.conf.default.in | 28 +++++++++++++++++++---------
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samples/autofs.conf.default.in | 26 ++++++++++++++++++--------
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4 files changed, 51 insertions(+), 24 deletions(-)
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diff --git a/CHANGELOG b/CHANGELOG
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index 2d98a3a..e48e2c0 100644
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--- a/CHANGELOG
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+++ b/CHANGELOG
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@@ -105,6 +105,7 @@ xx/xx/2018 autofs-5.1.5
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- sss introduce calculate_retry_count() function.
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- move readall into struct master.
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- sss introduce a flag to indicate map being read.
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+- update sss timeout documentation.
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19/12/2017 autofs-5.1.4
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- fix spec file url.
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diff --git a/man/autofs.conf.5.in b/man/autofs.conf.5.in
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index 8dbc313..57dd421 100644
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--- a/man/autofs.conf.5.in
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+++ b/man/autofs.conf.5.in
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@@ -31,9 +31,11 @@ overrides this and sets the timeout to 5 minutes to be consistent
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with earlier autofs releases.
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.TP
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.B master_wait
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-sets the default maximum time to wait for the master map to become
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-available if it cannot be read at program start (program default 10,
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-wait for 10 seconds then continue).
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+Sets the default maximum number of retries (actaul iterations is half
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+this, each is delayed by 2 seconds before retrying) waiting for the
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+master map to become available if it cannot be read at program start
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+(program default 10, then continue). This can be longer if the map
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+source itself waits for availability (such as sss).
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.TP
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.B negative_timeout
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.br
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@@ -160,10 +162,14 @@ behaviour and so is an opt-in setting.
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.TP
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.B sss_master_map_wait
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.br
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-Set the time to wait and retry if sssd returns "no such entry" when starting
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-up. When sssd is starting up it can sometimes return "no such entry" for a
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-short time until it has read in the LDAP map information. Default is 0 seconds,
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-don't wait.
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+Set the time to wait and retry if sssd is unable to read the master map
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+at program start. Program default is 0 (don't wait) or 10 if sss supports
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+returning EHSTDOWN when the provider isn't available.
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+
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+If the sss library supports returning EHOSTDOWN when the provider is down
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+then this value is how long to wait between retries reading the master map.
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+When reading dependent maps or looking up a map key this value is multiplied
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+by the number of retries that would be used when reading the master map.
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.TP
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.B use_mount_request_log_id
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.br
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diff --git a/redhat/autofs.conf.default.in b/redhat/autofs.conf.default.in
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index bd52730..2a5a1c2 100644
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--- a/redhat/autofs.conf.default.in
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+++ b/redhat/autofs.conf.default.in
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@@ -14,10 +14,13 @@
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#
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timeout = 300
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#
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-# master_wait - set the default maximum time to wait for the
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-# master map to become available if it cannot
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-# be read at program start (default 10, wait
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-# for 10 seconds then continue).
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+# master_wait - set the default maximum number of retries (actual
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+# iterations is half this, each is delayed by 2 seconds
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+# before retrying) waiting for the master map to become
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+# available if it cannot be read at program start
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+# (default 10, then continue). This can be longer
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+# if the map source itself waits for availability
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+# (such as sss).
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#
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#master_wait = 10
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#
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@@ -193,12 +196,19 @@ mount_nfs_default_protocol = 4
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#use_ignore_mount_option = no
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#
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# sss_master_map_wait - When sssd is starting up it can sometimes return
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-# "no such entry" for a short time until it has read
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+# "no such entry" for a short time until it has read
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# in the LDAP map information. Internal default is 0
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-# seconds, don't wait but if there is a problem with
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-# autofs not finding the master map at startup (when
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-# it should) then try setting this to 10 to work
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-# around it.
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+# (don't wait) or 10 if sss supports returning EHSTDOWN.
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+# If there is a problem with autofs not finding the
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+# master map at startup (when it should) then try setting
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+# this to 10 or more. If the sss library supports returning
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+# EHOSTDOWN when the provider is down then this value
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+# is how long to wait between retries reading the
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+# master map. When reading dependent maps or looking
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+# up a map key this value is multiplied by the number
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+# of retries that would be used when reading the master
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+# map. (Default, 0 or 10 if sss suppprts returning
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+# EHOSTDOWN).
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#
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#sss_master_map_wait = 0
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#
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diff --git a/samples/autofs.conf.default.in b/samples/autofs.conf.default.in
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index 1f55709..dd716c6 100644
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--- a/samples/autofs.conf.default.in
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+++ b/samples/autofs.conf.default.in
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@@ -14,10 +14,13 @@
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#
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timeout = 300
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#
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-# master_wait - set the default maximum time to wait for the
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-# master map to become available if it cannot
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-# be read at program start (default 10, wait
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-# for 10 seconds then continue).
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+# master_wait - set the default maximum number of retries (actual
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+# iterations is half this, each is delayed by 2 seconds
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+# before retrying) waiting for the master map to become
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+# available if it cannot be read at program start
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+# (default 10, then continue). This can be longer
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+# if the map source itself waits for availability
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+# (such as sss).
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#
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# master_wait = 10
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#
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@@ -194,10 +197,17 @@ browse_mode = no
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# sss_master_map_wait - When sssd is starting up it can sometimes return
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# "no such entry" for a short time until it has read
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# in the LDAP map information. Internal default is 0
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-# seconds, don't wait but if there is a problem with
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-# autofs not finding the master map at startup (when
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-# it should) then try setting this to 10 to work
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-# around it.
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+# (don't wait) or 10 if sss supports returning EHSTDOWN.
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+# If there is a problem with autofs not finding the
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+# master map at startup (when it should) then try setting
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+# this to 10 or more. If the sss library supports returning
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+# EHOSTDOWN when the provider is down then this value
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+# is how long to wait between retries reading the
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+# master map. When reading dependent maps or looking
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+# up a map key this value is multiplied by the number
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+# of retries that would be used when reading the master
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+# map. (Default, 0 or 10 if sss suppprts returning
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+# EHOSTDOWN).
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#
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#sss_master_map_wait = 0
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#
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