APP-6696 pass new AgentInfo.PlatformTags in config/reader.go #4469
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config/reader.go
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| if runtime.GOOS == "linux" && rutils.PathExists("/etc/os-release") { | ||
| if body, err := os.Open("/etc/os-release"); err != nil { |
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This feels like the long way around for two reasons. First, no need to check the path first. Just check the error from os.Open with !errors.Is(err, os.ErrNotExist)
Second, opening the file, then buffering it into a reader, then parsing it, and deferring a close() is a lot of steps for something that's mostly replaced by "os.ReadFile()" which just gives you back the bytes directly.
That said, nothing inherently wrong here either, so consider this optional.
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simplified it in a532b41
config/reader.go
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| tags = append(tags, "distro:"+osRelease["ID"]) | ||
| tags = append(tags, "os_version:"+osRelease["VERSION_ID"]) | ||
| tags = append(tags, "codename:"+osRelease["VERSION_CODENAME"]) |
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No guarantee that all of these will be in every os-release file, as the fields are all optional. Many distros populate only some of these. If they're blank, you're gonna end up with odd tags like codename: which may break other stuff down the line when parsing.
Ex: Arch looks like this:
NAME="Arch Linux"
PRETTY_NAME="Arch Linux"
ID=arch
BUILD_ID=rolling
ANSI_COLOR="38;2;23;147;209"
HOME_URL="https://archlinux.org/"
DOCUMENTATION_URL="https://wiki.archlinux.org/"
SUPPORT_URL="https://bbs.archlinux.org/"
BUG_REPORT_URL="https://gitlab.archlinux.org/groups/archlinux/-/issues"
PRIVACY_POLICY_URL="https://terms.archlinux.org/docs/privacy-policy/"
LOGO=archlinux-logo
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changed logic in a532b41 to only set a tag if the value exists
viambot
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viambot
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What changed
readExtendedPlatformTagsin config readerWhy
So we can select module binaries based on platform details.