Adding upgrade file watcher for cosmovisor.
Currently the comswisor upgrade mechanism relays on parsing log messages. This is not reliable:
+ depends on the log level output (x/upgrade uses INFO)
+ can be hacked by accidentally logging user user content
+ can be broken by using upgrade name which will break the regex pattern.
closes: #7703closes: #8523closes: #8651closes: #8793closes: #8964
**Depends on**:
- #9652
---
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{,cosmosvisor/}Makefile: Add Makefile to cosmovisor/
subdirectory and integrate build target into the
top-directory Makefile.
cosmovisor/:
Create Golang-idiomatic cmd/ subdirectory to make
`cosmosvisor` binary (instead of a binary named `cmd`)
automatically installable with `go get`.
Minor changes to error handling:
- Plain error strings bring more value than the whole
stacktrace in case of dumb configuration errors.
- Output errors to /dev/stderr instead of /dev/stdout.
Remove dependency on github.com/pkg/errors.
Ryan Christoffersen
Robert Zaremba
Alessio Treglia
Michael FIG
Jonathan Gimeno