Update the liveness probe to verify postgres connectivity
Change the tillerLivenessProbeTemplate to test the connectivity to the
postgres backend. We will override the periodSeconds and
failureThreshold when installing the helm chart to trigger a restart of
the tiller pod over a swact when the postgres DB/server moves from one
controller to the other.
This will help guarantee that the tiller connection is always
re-established if the connectivity to the postgres backend fails.
Change-Id: I7fbed33a8c821f6c9254f58d5953e2115cf4141a
Related-Bug: #1917308
Signed-off-by: Robert Church <robert.church@windriver.com>
(cherry picked from commit b3540ccfdf
)
This commit is contained in:
parent
136f639952
commit
106331ecec
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@ -17,6 +17,7 @@ Source0: %{name}-%{git_sha}.tar.gz
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Patch1: 0001-Add-Helm-v2-client-initialization-using-tiller-postS.patch
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Patch2: 0002-Tiller-wait-for-postgres-database-ping.patch
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Patch3: 0003-Update-the-liveness-probe-to-verify-postgres-connect.patch
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BuildArch: noarch
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@ -31,6 +32,7 @@ BuildRequires: chartmuseum
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%setup -n armada
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%patch1 -p1
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%patch2 -p1
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%patch3 -p1
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%build
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# Package the armada chart tarball using methodology derived from:
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@ -0,0 +1,45 @@
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From be3167e5342f2730ef43012d8fe4f3782c6ef468 Mon Sep 17 00:00:00 2001
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From: Robert Church <robert.church@windriver.com>
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Date: Wed, 12 May 2021 02:38:52 -0400
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Subject: [PATCH 3/3] Update the liveness probe to verify postgres connectivity
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Change the tillerLivenessProbeTemplate to test the connectivity to the
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postgres backend. We will override the periodSeconds and
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failureThreshold when installing the helm chart to trigger a restart of
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the tiller pod over a swact when the postgres DB/server moves from one
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controller to the other.
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This will help guarantee that the tiller connection is always
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reestablished if the connectivity to the postgres backend fails.
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Signed-off-by: Robert Church <robert.church@windriver.com>
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---
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charts/armada/templates/deployment-api.yaml | 12 ++++++++----
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1 file changed, 8 insertions(+), 4 deletions(-)
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diff --git a/charts/armada/templates/deployment-api.yaml b/charts/armada/templates/deployment-api.yaml
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index bf23fb2..2b65494 100644
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--- a/charts/armada/templates/deployment-api.yaml
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+++ b/charts/armada/templates/deployment-api.yaml
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@@ -28,10 +28,14 @@ httpGet:
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{{- end }}
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{{- define "tillerLivenessProbeTemplate" }}
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-httpGet:
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- path: /liveness
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- port: {{ .Values.conf.tiller.probe_port }}
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- scheme: HTTP
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+exec:
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+ command:
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+ - nc
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+ - -vz
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+ - -w
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+ - "1"
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+ - {{ .Values.conf.tiller.sql_endpoint_ip}}
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+ - "5432"
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{{- end }}
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{{- if .Values.manifests.deployment_api }}
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--
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2.16.6
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