diff options
Diffstat (limited to 'container/init.go')
| -rw-r--r-- | container/init.go | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/container/init.go b/container/init.go index d4fce6e6..8b178d8c 100644 --- a/container/init.go +++ b/container/init.go @@ -121,6 +121,10 @@ func Init(prepare func(prefix string), setVerbose func(verbose bool)) { log.Fatalf("cannot make / rslave: %v", err) } + /* early is called right before pivot_root into intermediate root; + this step is mostly for gathering information that would otherwise be difficult to obtain + via library functions after pivot_root, and implementations are expected to avoid changing + the state of the mount namespace */ for i, op := range *params.Ops { if op == nil { log.Fatalf("invalid op %d", i) @@ -159,6 +163,10 @@ func Init(prepare func(prefix string), setVerbose func(verbose bool)) { log.Fatalf("%v", err) } + /* apply is called right after pivot_root and entering the new root; + this step sets up the container filesystem, and implementations are expected to keep the host root + and sysroot mount points intact but otherwise can do whatever they need to; + chdir is allowed but discouraged */ for i, op := range *params.Ops { // ops already checked during early setup msg.Verbosef("%s %s", op.prefix(), op) |