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Add phase to wait for Cassandra to be ready before scale down #2625

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merged 6 commits into from
Jan 25, 2024
Merged

Add phase to wait for Cassandra to be ready before scale down #2625

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1807bdf
Add wait for ready logic in cassandra BP
PrasadG193 Jan 24, 2024
4b1c142
Set replication factor to 1
PrasadG193 Jan 24, 2024
a776067
Add wait for cassandra conn ready logic
PrasadG193 Jan 24, 2024
6044cd4
Update helm value replicaCount
PrasadG193 Jan 24, 2024
8a3c3ae
Add nodetool scrub step in waitforready
PrasadG193 Jan 24, 2024
18d4088
Merge branch 'master' into cassandra-bp-waitforready
mergify[bot] Jan 25, 2024
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28 changes: 28 additions & 0 deletions examples/cassandra/cassandra-blueprint.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,34 @@ actions:
inputArtifactNames:
- params
phases:
- func: KubeExec
name: waitForConnectionReady
args:
namespace: "{{ .StatefulSet.Namespace }}"
pod: "{{ index .StatefulSet.Pods 0 }}"
command:
- bash
- -o
- pipefail
- -c
- |
timeout=300
while true
do
VAR=$((cqlsh -u cassandra -p $CASSANDRA_PASSWORD -e "DESCRIBE keyspaces;" --request-timeout=300) 2>&1)
if [[ $VAR != *"Unable to connect to any servers"* ]]
then
break
fi
if [[ $timeout -le 0 ]]
then
echo "Timed out waiting for cqlsh to configure.."
exit 1
fi
sleep 2
timeout=$((timeout-2))
done
nodetool scrub
- func: ScaleWorkload
name: shutdownPod
args:
Expand Down
12 changes: 6 additions & 6 deletions pkg/app/cassandra.go
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Original file line number Diff line number Diff line change
Expand Up @@ -57,11 +57,11 @@ func NewCassandraInstance(name string) App {
Chart: "cassandra",
RepoName: helm.BitnamiRepoName,
Values: map[string]string{
"image.registry": "ghcr.io",
"image.repository": "kanisterio/cassandra",
"image.tag": "v9.99.9-dev",
"image.pullPolicy": "Always",
"cluster.replicaCount": "1",
"image.registry": "ghcr.io",
"image.repository": "kanisterio/cassandra",
"image.tag": "v9.99.9-dev",
"image.pullPolicy": "Always",
"replicaCount": "1",
},
},
}
Expand Down Expand Up @@ -206,7 +206,7 @@ func (cas *CassandraInstance) Reset(ctx context.Context) error {
func (cas *CassandraInstance) Initialize(ctx context.Context) error {
// create the keyspace
createKS := []string{"sh", "-c", fmt.Sprintf("cqlsh -u cassandra -p $CASSANDRA_PASSWORD -e \"create keyspace "+
"restaurants with replication = {'class':'SimpleStrategy', 'replication_factor': 3};\" --request-timeout=%s", cqlTimeout)}
"restaurants with replication = {'class':'SimpleStrategy', 'replication_factor': 1};\" --request-timeout=%s", cqlTimeout)}
_, stderr, err := cas.execCommand(ctx, createKS)
if err != nil {
return errors.Wrapf(err, "Error %s while creating the keyspace for application.", stderr)
Expand Down