Ori.livneh has uploaded a new change for review.
https://gerrit.wikimedia.org/r/273983
Change subject: Make 'field' / 'fields' shell functions available to everyone
......................................................................
Make 'field' / 'fields' shell functions available to everyone
Both Faidon and Aaron have requested that I make these functions more generally
available.
Bug: T102793
Change-Id: I8f1ea341d63af5161aed88bad604835fb54276cd
---
A modules/base/files/environment/field.sh
M modules/base/manifests/environment.pp
2 files changed, 51 insertions(+), 0 deletions(-)
git pull ssh://gerrit.wikimedia.org:29418/operations/puppet
refs/changes/83/273983/1
diff --git a/modules/base/files/environment/field.sh
b/modules/base/files/environment/field.sh
new file mode 100644
index 0000000..ba62e10
--- /dev/null
+++ b/modules/base/files/environment/field.sh
@@ -0,0 +1,45 @@
+if [ -n "$BASH_VERSION" -a -n "$PS1" ]; then
+ # Extract a particular field from separator-delimited input.
+ # For example:
+ #
+ # field 2 /var/log/apache2/apache2.log
+ #
+ # ..is equivalent to:
+ #
+ # awk '{ print $2 }' /var/log/apache2/apache2.log
+ #
+ field() {
+ local fieldnum="$1"
+ shift
+ /usr/bin/awk -v field="$fieldnum" '{print $(field)}' "${@}"
+ }
+
+ # Take a line from stdin and show a numbered list of its fields.
+ # This helps you know which numeric index to use (with `field`)
+ # to extract a particular column.
+ #
+ # Example:
+ #
+ # $ fields /var/log/apache2/other_vhosts_access.log
+ # 1 : 2016-02-29T21:50:05
+ # 2 : 75415
+ # 3 : 10.64.17.9
+ # 4 : proxy-server/200
+ # 5 : 14623
+ # 6 : GET
+ # 7 : http://en.wikipedia.org/wiki/Special:BlankPage
+ # 8 : -
+ # 9 : text/html
+ # 10 : -
+ # 11 : -
+ # 12 : Twisted
+ # 13 : PageGetter
+ # 14 : -
+ # 15 : -
+ # 16 : -
+ # 17 : 10.64.17.9
+ #
+ fields() {
+ /usr/bin/tail -1 "${@:---}" | /usr/bin/awk 'END { for (i = 1; i <= NF;
i++) printf("%s : %s\n", i, $i) }'
+ }
+fi
diff --git a/modules/base/manifests/environment.pp
b/modules/base/manifests/environment.pp
index 4549b8b..ad35aaa 100644
--- a/modules/base/manifests/environment.pp
+++ b/modules/base/manifests/environment.pp
@@ -86,6 +86,12 @@
content => $wikimedia_cluster,
}
+ file { '/etc/profile.d/field.sh':
+ source => 'puppet:///modules/base/environment/field.sh',
+ owner => 'root',
+ group => 'root',
+ mode => '0444',
+ }
### Core dumps
--
To view, visit https://gerrit.wikimedia.org/r/273983
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings
Gerrit-MessageType: newchange
Gerrit-Change-Id: I8f1ea341d63af5161aed88bad604835fb54276cd
Gerrit-PatchSet: 1
Gerrit-Project: operations/puppet
Gerrit-Branch: production
Gerrit-Owner: Ori.livneh <[email protected]>
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