# Functions
CheckError prints err to stderr and exits with code 1 if err is not nil.
NewJob will setup a new upgrade job.
NewUpgradeCStorSPCJob upgrades all the cStor Pools associated with a given Storage Pool Claim.
NewUpgradeCStorVolumeJob upgrade a CStor Volume.
NewUpgradeJivaVolumeJob upgrade a Jiva Volume.
NewUpgradeResourceJob upgrade a resource from upgradeTask.
PreRun will check for environement variables to be read and intialized.
# Structs
CStorSPCOptions stores information required for cstor SPC upgrade.
CStorVolumeOptions stores information required for cstor volume upgrade.
JivaVolumeOptions stores information required for jiva volume upgrade.
ResourceOptions stores information required for upgradeTask upgrade.
UpgradeOptions stores information required for upgrade.