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dd-agent: fix compatibility issue with iostat (#41035)

Browse source 
Applies a patch to the dd-agent derivation that fixes a compatibility
issue with the current version of iostat, which no longer contains a
colon after its table headers.

This patch is applied in order for the fix to be backportable to
existing stable releases. A final "proper" fix will be an upgrade to a
newer version of dd-agent, but that requires several other changes.

This fixes #40103.
This commit is contained in:
Vincent Ambo 2018-05-31 22:58:04 +02:00 committed by xeji
parent ecabdfd12f
commit aee19ca7f8
2 changed files with 33 additions and 0 deletions
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30
pkgs/tools/networking/dd-agent/40103-iostat-fix.patch Normal file
View file

@ -0,0 +1,30 @@
diff --git a/checks/system/unix.py b/checks/system/unix.py
index c37af3c3..58c72626 100644
--- a/checks/system/unix.py
+++ b/checks/system/unix.py
@@ -39,7 +39,7 @@ class IO(Check):
self.value_re = re.compile(r'\d+\.\d+')
def _parse_linux2(self, output):
- recentStats = output.split('Device:')[2].split('\n')
+ recentStats = output.split('Device')[2].split('\n')
header = recentStats[0]
headerNames = re.findall(self.header_re, header)
device = None
@@ -123,14 +123,14 @@ class IO(Check):
# Linux 2.6.32-343-ec2 (ip-10-35-95-10) 12/11/2012 _x86_64_ (2 CPU)
#
- # Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
+ # Device rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
# sda1 0.00 17.61 0.26 32.63 4.23 201.04 12.48 0.16 4.81 0.53 1.73
# sdb 0.00 2.68 0.19 3.84 5.79 26.07 15.82 0.02 4.93 0.22 0.09
# sdg 0.00 0.13 2.29 3.84 100.53 30.61 42.78 0.05 8.41 0.88 0.54
# sdf 0.00 0.13 2.30 3.84 100.54 30.61 42.78 0.06 9.12 0.90 0.55
# md0 0.00 0.00 0.05 3.37 1.41 30.01 18.35 0.00 0.00 0.00 0.00
#
- # Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
+ # Device rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
# sda1 0.00 0.00 0.00 10.89 0.00 43.56 8.00 0.03 2.73 2.73 2.97
# sdb 0.00 0.00 0.00 2.97 0.00 11.88 8.00 0.00 0.00 0.00 0.00
# sdg 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

3
pkgs/tools/networking/dd-agent/default.nix
View file

@ -38,6 +38,8 @@ in stdenv.mkDerivation rec {
sha256 = "1iqxvgpsqibqw3vk79158l2pnb6y4pjhjp2d6724lm5rpz4825lx";
};
patches = [ ./40103-iostat-fix.patch ];
buildInputs = [
python
unzip
@ -59,6 +61,7 @@ in stdenv.mkDerivation rec {
mkdir -p $out/bin
cp -R $src $out/agent
chmod u+w -R $out
(cd $out/agent; patchPhase)
PYTHONPATH=$out/agent:$PYTHONPATH
ln -s $out/agent/agent.py $out/bin/dd-agent
ln -s $out/agent/dogstatsd.py $out/bin/dogstatsd