NixiN/ssh-agent-action
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Don't start ssh-agent if it's already running

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This allows to run the action multiple times to add multiple keys
without removing already added ones.
This commit is contained in:
ojab 2023-02-17 12:30:49 +00:00
parent ea17a056b9
commit 72bad59e39
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GPG key ID: 77315EBA95155D61
3 changed files with 36 additions and 27 deletions
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11
.github/workflows/demo.yml vendored
View file

@ -9,12 +9,14 @@ jobs:
runs-on: ${{ matrix.os }} runs-on: ${{ matrix.os }}
steps: steps:
- uses: actions/checkout@v3 - uses: actions/checkout@v3
- name: Setup key - name: Setup first key
uses: ./ uses: ./
with: with:
ssh-private-key: | ssh-private-key: ${{ secrets.MPDUDE_TEST_1_DEPLOY_KEY }}
${{ secrets.MPDUDE_TEST_1_DEPLOY_KEY }} - name: Setup second key
${{ secrets.MPDUDE_TEST_2_DEPLOY_KEY }} uses: ./
with:
ssh-private-key: ${{ secrets.MPDUDE_TEST_2_DEPLOY_KEY }}
- run: | - run: |
git clone https://github.com/mpdude/test-1.git test-1-http git clone https://github.com/mpdude/test-1.git test-1-http
git clone git@github.com:mpdude/test-1.git test-1-git git clone git@github.com:mpdude/test-1.git test-1-git
@ -43,4 +45,3 @@ jobs:
git clone https://github.com/mpdude/test-2.git test-2-http git clone https://github.com/mpdude/test-2.git test-2-http
git clone git@github.com:mpdude/test-2.git test-2-git git clone git@github.com:mpdude/test-2.git test-2-git
git clone ssh://git@github.com/mpdude/test-2.git test-2-git-ssh git clone ssh://git@github.com/mpdude/test-2.git test-2-git-ssh

12
dist/index.js vendored
View file

@ -351,21 +351,25 @@ try {
fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOMqqnkVzrm0SdG6UOoqKLsabgH5C9okWi0dh2l9GKJl\n'); fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOMqqnkVzrm0SdG6UOoqKLsabgH5C9okWi0dh2l9GKJl\n');
fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==\n'); fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==\n');
console.log("Starting ssh-agent");
const authSock = core.getInput('ssh-auth-sock'); const authSock = core.getInput('ssh-auth-sock');
const sshAgentArgs = (authSock && authSock.length > 0) ? ['-a', authSock] : []; const sshAgentArgs = (authSock && authSock.length > 0) ? ['-a', authSock] : [];
if (child_process.spawnSync(sshAdd, ['-l'], { env: { ...process.env, SSH_AUTH_SOCK: authSock || process.env.SSH_AUTH_SOCK } }).status === 0) {
console.log('ssh-agent is already running, not starting a new one');
} else {
console.log("Starting ssh-agent");
// Extract auth socket path and agent pid and set them as job variables // Extract auth socket path and agent pid and set them as job variables
child_process.execFileSync(sshAgentCmd, sshAgentArgs).toString().split("\n").forEach(function(line) { child_process.execFileSync(sshAgent, sshAgentArgs).toString().split("\n").forEach(function(line) {
const matches = /^(SSH_AUTH_SOCK|SSH_AGENT_PID)=(.*); export \1/.exec(line); const matches = /^(SSH_AUTH_SOCK|SSH_AGENT_PID)=(.*); export \1/.exec(line);
if (matches && matches.length > 0) { if (matches && matches.length > 0) {
// This will also set process.env accordingly, so changes take effect for this script // This will also set process.env accordingly, so changes take effect for this script
core.exportVariable(matches[1], matches[2]) core.exportVariable(matches[1], matches[2]);
console.log(`${matches[1]}=${matches[2]}`); console.log(`${matches[1]}=${matches[2]}`);
} }
}); });
}
console.log("Adding private key(s) to agent"); console.log("Adding private key(s) to agent");

12
index.js
View file

@ -31,21 +31,25 @@ try {
fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOMqqnkVzrm0SdG6UOoqKLsabgH5C9okWi0dh2l9GKJl\n'); fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOMqqnkVzrm0SdG6UOoqKLsabgH5C9okWi0dh2l9GKJl\n');
fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==\n'); fs.appendFileSync(`${homeSsh}/known_hosts`, '\ngithub.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==\n');
console.log("Starting ssh-agent");
const authSock = core.getInput('ssh-auth-sock'); const authSock = core.getInput('ssh-auth-sock');
const sshAgentArgs = (authSock && authSock.length > 0) ? ['-a', authSock] : []; const sshAgentArgs = (authSock && authSock.length > 0) ? ['-a', authSock] : [];
if (child_process.spawnSync(sshAdd, ['-l'], { env: { ...process.env, SSH_AUTH_SOCK: authSock || process.env.SSH_AUTH_SOCK } }).status === 0) {
console.log('ssh-agent is already running, not starting a new one');
} else {
console.log("Starting ssh-agent");
// Extract auth socket path and agent pid and set them as job variables // Extract auth socket path and agent pid and set them as job variables
child_process.execFileSync(sshAgentCmd, sshAgentArgs).toString().split("\n").forEach(function(line) { child_process.execFileSync(sshAgent, sshAgentArgs).toString().split("\n").forEach(function(line) {
const matches = /^(SSH_AUTH_SOCK|SSH_AGENT_PID)=(.*); export \1/.exec(line); const matches = /^(SSH_AUTH_SOCK|SSH_AGENT_PID)=(.*); export \1/.exec(line);
if (matches && matches.length > 0) { if (matches && matches.length > 0) {
// This will also set process.env accordingly, so changes take effect for this script // This will also set process.env accordingly, so changes take effect for this script
core.exportVariable(matches[1], matches[2]) core.exportVariable(matches[1], matches[2]);
console.log(`${matches[1]}=${matches[2]}`); console.log(`${matches[1]}=${matches[2]}`);
} }
}); });
}
console.log("Adding private key(s) to agent"); console.log("Adding private key(s) to agent");