28c5a17edf
To implement #319 1. replica is able to redirect read and write commands to it's primary in standalone mode * reply with "-REDIRECT primary-ip:port" 2. add a subcommand `CLIENT CAPA redirect`, a client can announce the capability to handle redirection * if a client can handle redirection, the data access commands (read and write) will be redirected 3. allow `readonly` and `readwrite` command in standalone mode, may be a breaking change * a client with redirect capability cannot process read commands on a replica by default * use READONLY command can allow read commands on a replica --------- Signed-off-by: zhaozhao.zz <zhaozhao.zz@alibaba-inc.com>
37 lines
1.1 KiB
Tcl
37 lines
1.1 KiB
Tcl
start_server {tags {needs:repl external:skip}} {
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start_server {} {
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set primary_host [srv -1 host]
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set primary_port [srv -1 port]
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r replicaof $primary_host $primary_port
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wait_for_condition 50 100 {
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[s 0 master_link_status] eq {up}
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} else {
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fail "Replicas not replicating from primary"
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}
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test {replica allow read command by default} {
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r get foo
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} {}
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test {replica reply READONLY error for write command by default} {
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assert_error {READONLY*} {r set foo bar}
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}
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test {replica redirect read and write command after CLIENT CAPA REDIRECT} {
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r client capa redirect
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assert_error "REDIRECT $primary_host:$primary_port" {r set foo bar}
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assert_error "REDIRECT $primary_host:$primary_port" {r get foo}
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}
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test {non-data access commands are not redirected} {
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r ping
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} {PONG}
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test {replica allow read command in READONLY mode} {
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r readonly
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r get foo
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} {}
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}
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}
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