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major version upgrade for rootless and ocp : solving #1689 (#1770) 

* major version upgrade for rootless and ocp : solving #1689

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>
This commit is contained in:
neelasha-09 2022-03-31 18:23:02 +05:30 committed by GitHub
parent 2333d531d3
commit f5cca1a093
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1 changed files with 20 additions and 5 deletions
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23
pkg/cluster/majorversionupgrade.go
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@ -2,6 +2,7 @@ package cluster
import ( import (
"fmt" "fmt"
"strings"
"github.com/zalando/postgres-operator/pkg/spec" "github.com/zalando/postgres-operator/pkg/spec"
"github.com/zalando/postgres-operator/pkg/util" "github.com/zalando/postgres-operator/pkg/util"
@ -106,13 +107,27 @@ func (c *Cluster) majorVersionUpgrade() error {
c.eventRecorder.Eventf(c.GetReference(), v1.EventTypeNormal, "Major Version Upgrade", "Starting major version upgrade on pod %s of %d pods", masterPod.Name, numberOfPods) c.eventRecorder.Eventf(c.GetReference(), v1.EventTypeNormal, "Major Version Upgrade", "Starting major version upgrade on pod %s of %d pods", masterPod.Name, numberOfPods)
upgradeCommand := fmt.Sprintf("/usr/bin/python3 /scripts/inplace_upgrade.py %d 2>&1 | tee last_upgrade.log", numberOfPods) upgradeCommand := fmt.Sprintf("/usr/bin/python3 /scripts/inplace_upgrade.py %d 2>&1 | tee last_upgrade.log", numberOfPods)
result, err := c.ExecCommand(podName, "/bin/su", "postgres", "-c", upgradeCommand) c.logger.Debugf("checking if the spilo image runs with root or non-root (check for user id=0)")
if err != nil { resultIdCheck, errIdCheck := c.ExecCommand(podName, "/bin/bash", "-c", "/usr/bin/id -u")
c.eventRecorder.Eventf(c.GetReference(), v1.EventTypeNormal, "Major Version Upgrade", "Upgrade from %d to %d FAILED: %v", c.currentMajorVersion, desiredVersion, err) if errIdCheck != nil {
return err c.eventRecorder.Eventf(c.GetReference(), v1.EventTypeWarning, "Major Version Upgrade", "Checking user id to run upgrade from %d to %d FAILED: %v", c.currentMajorVersion, desiredVersion, errIdCheck)
} }
resultIdCheck = strings.TrimSuffix(resultIdCheck, "\n")
var result string
if resultIdCheck != "0" {
c.logger.Infof("User id was identified as: %s, hence default user is non-root already", resultIdCheck)
result, err = c.ExecCommand(podName, "/bin/bash", "-c", upgradeCommand)
} else {
c.logger.Infof("User id was identified as: %s, using su to reach the postgres user", resultIdCheck)
result, err = c.ExecCommand(podName, "/bin/su", "postgres", "-c", upgradeCommand)
}
if err != nil {
c.eventRecorder.Eventf(c.GetReference(), v1.EventTypeWarning, "Major Version Upgrade", "Upgrade from %d to %d FAILED: %v", c.currentMajorVersion, desiredVersion, err)
return err
}
c.logger.Infof("upgrade action triggered and command completed: %s", result[:100]) c.logger.Infof("upgrade action triggered and command completed: %s", result[:100])
c.eventRecorder.Eventf(c.GetReference(), v1.EventTypeNormal, "Major Version Upgrade", "Upgrade from %d to %d finished", c.currentMajorVersion, desiredVersion) c.eventRecorder.Eventf(c.GetReference(), v1.EventTypeNormal, "Major Version Upgrade", "Upgrade from %d to %d finished", c.currentMajorVersion, desiredVersion)
} }
} }