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Refactor hosts_dir lookup

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Applies feedback from #199 to inline the hosts_dir env-var
lookup.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
This commit is contained in:
Alex Ellis (OpenFaaS Ltd) 2021-09-15 12:44:56 +01:00
parent b8ada0d46b
commit 73c7349e36
1 changed files with 7 additions and 5 deletions
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12
pkg/provider/handlers/deploy.go
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@ -247,23 +247,25 @@ func prepareEnv(envProcess string, reqEnvVars map[string]string) []string {
}
func getMounts() []specs.Mount {
wd, _ := os.LookupEnv("hosts_dir")
if len(wd) == 0 {
wd = "/var/lib/faasd"
// Prior to hosts_dir env-var, this value was set to
// os.Getwd()
hostsDir := "/var/lib/faasd"
if v, ok := os.LookupEnv("hosts_dir"); ok && len(v) > 0 {
hostsDir = v
}
mounts := []specs.Mount{}
mounts = append(mounts, specs.Mount{
Destination: "/etc/resolv.conf",
Type: "bind",
Source: path.Join(wd, "resolv.conf"),
Source: path.Join(hostsDir, "resolv.conf"),
Options: []string{"rbind", "ro"},
})
mounts = append(mounts, specs.Mount{
Destination: "/etc/hosts",
Type: "bind",
Source: path.Join(wd, "hosts"),
Source: path.Join(hostsDir, "hosts"),
Options: []string{"rbind", "ro"},
})
return mounts