diff options
Diffstat (limited to 'cmd/podman/shared/create.go')
-rw-r--r-- | cmd/podman/shared/create.go | 73 |
1 files changed, 42 insertions, 31 deletions
diff --git a/cmd/podman/shared/create.go b/cmd/podman/shared/create.go index 0814eeba3..11b2bd027 100644 --- a/cmd/podman/shared/create.go +++ b/cmd/podman/shared/create.go @@ -18,6 +18,7 @@ import ( "github.com/containers/libpod/libpod" "github.com/containers/libpod/libpod/image" ann "github.com/containers/libpod/pkg/annotations" + envLib "github.com/containers/libpod/pkg/env" "github.com/containers/libpod/pkg/errorhandling" "github.com/containers/libpod/pkg/inspect" ns "github.com/containers/libpod/pkg/namespaces" @@ -473,19 +474,51 @@ func ParseCreateOpts(ctx context.Context, c *GenericCLIResults, runtime *libpod. } // ENVIRONMENT VARIABLES - env := EnvVariablesFromData(data) + // + // Precedence order (higher index wins): + // 1) env-host, 2) image data, 3) env-file, 4) env + env := map[string]string{ + "container": "podman", + } + + // Start with env-host if c.Bool("env-host") { - for _, e := range os.Environ() { - pair := strings.SplitN(e, "=", 2) - if _, ok := env[pair[0]]; !ok { - if len(pair) > 1 { - env[pair[0]] = pair[1] - } + osEnv, err := envLib.ParseSlice(os.Environ()) + if err != nil { + return nil, errors.Wrap(err, "error parsing host environment variables") + } + env = envLib.Join(env, osEnv) + } + + // Image data overrides any previous variables + if data != nil { + configEnv, err := envLib.ParseSlice(data.Config.Env) + if err != nil { + return nil, errors.Wrap(err, "error passing image environment variables") + } + env = envLib.Join(env, configEnv) + } + + // env-file overrides any previous variables + if c.IsSet("env-file") { + for _, f := range c.StringSlice("env-file") { + fileEnv, err := envLib.ParseFile(f) + if err != nil { + return nil, err } + // File env is overridden by env. + env = envLib.Join(env, fileEnv) } } - if err := parse.ReadKVStrings(env, c.StringSlice("env-file"), c.StringArray("env")); err != nil { - return nil, errors.Wrapf(err, "unable to process environment variables") + + // env overrides any previous variables + cmdlineEnv := c.StringSlice("env") + if len(cmdlineEnv) > 0 { + parsedEnv, err := envLib.ParseSlice(cmdlineEnv) + if err != nil { + return nil, err + } + env = envLib.Join(env, parsedEnv) } // LABEL VARIABLES @@ -822,28 +855,6 @@ func CreateContainerFromCreateConfig(r *libpod.Runtime, createConfig *cc.CreateC return ctr, nil } -var defaultEnvVariables = map[string]string{ - "PATH": "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", - "TERM": "xterm", -} - -// EnvVariablesFromData gets sets the default environment variables -// for containers, and reads the variables from the image data, if present. -func EnvVariablesFromData(data *inspect.ImageData) map[string]string { - env := defaultEnvVariables - if data != nil { - for _, e := range data.Config.Env { - split := strings.SplitN(e, "=", 2) - if len(split) > 1 { - env[split[0]] = split[1] - } else { - env[split[0]] = "" - } - } - } - return env -} - func makeHealthCheckFromCli(c *GenericCLIResults) (*manifest.Schema2HealthConfig, error) { inCommand := c.String("healthcheck-command") inInterval := c.String("healthcheck-interval") |