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fix: support concurrent agent runs by checking if Trivy is installed #17

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fix: support concurrent agent runs by checking if Trivy is installed #17

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bcb591f
fix: support concurrent agent runs by checking if Trivy is installed
joaoacmota Oct 21, 2022
c9f434d
Merge branch 'main' into feature/prevent_concurrent_installation
joaoacmota Oct 25, 2022
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50 changes: 34 additions & 16 deletions trivy-task/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -151,24 +151,35 @@ async function installTrivy(version: string): Promise<string> {
}
if (os.platform() != "linux") {
throw new Error("Only Linux is currently supported")
}

let url = await getArtifactURL(version)

let bin = "trivy"

let localPath = tmpPath + bin;
task.rmRF(localPath);
}

console.log("Downloading Trivy...")
let downloadPath = await tool.downloadTool(url, localPath);
const bin = "trivy"

console.log("Extracting Trivy...")
await tool.extractTar(downloadPath, tmpPath)
const localPath = tmpPath + bin

const binPath = tmpPath + bin

console.log("Setting permissions...")
await task.exec('chmod', ["+x", binPath]);
const artifact = getArtifactName(version)

const installedAlready = task.exist(localPath + "/" + artifact)

if (installedAlready) {
console.log("Trivy Already Installed.")
} else {
const url = getArtifactURL(version, artifact)

task.rmRF(localPath);

console.log("Downloading Trivy...")
const downloadPath = await tool.downloadTool(url, localPath);

console.log("Extracting Trivy...")
await tool.extractTar(downloadPath, tmpPath)

console.log("Setting permissions...")
await task.exec('chmod', ["+x", binPath]);
}

return binPath
}

Expand All @@ -179,7 +190,14 @@ function stripV(version: string): string {
return version
}

async function getArtifactURL(version: string): Promise<string> {
function getArtifactURL(version: string, artifact: string): string {
if(version === "latest") {
version = latestTrivyVersion
}
return util.format("https://github.com/aquasecurity/trivy/releases/download/%s/%s", version, artifact);
}

function getArtifactName(version: string): string {
if(version === "latest") {
version = latestTrivyVersion
}
Expand All @@ -203,7 +221,7 @@ async function getArtifactURL(version: string): Promise<string> {
}
// e.g. trivy_0.29.1_Linux-ARM.tar.gz
let artifact: string = util.format("trivy_%s_Linux-%s.tar.gz", stripV(version), arch);
return util.format("https://github.com/aquasecurity/trivy/releases/download/%s/%s", version, artifact);
return artifact;
}

run().catch((err: Error) => {
Expand Down